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AHA scientific statement highlights cardiorenal benefit of new diabetes drugs

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To protect the heart and kidneys, sodium-glucose transporter 2 (SGLT2) inhibitors and glucagonlike peptide–1 (GLP-1) receptor agonists should be considered for people with type 2 diabetes and chronic kidney disease (CKD), the American Heart Association advised in a new scientific statement.

Taken together, the results of relevant clinical trials indicate that SGLT2 inhibitors and GLP-1 receptor agonists safely and significantly reduce the risk for cardiovascular (CV) events, death, and the slow progression of CKD to end-stage kidney disease, including the risks for dialysis, transplantation, and death, the writing group says.

The scientific statement was published online Sept. 28 in Circulation.

“There has been rapid reporting of high-quality data in the cardio-renal-metabolic space with significant heart and kidney benefits, particularly with these two newer classes of antihyperglycemic agents,” Janani Rangaswami, MD, who chaired the writing group, said in an interview.

“More recent data show benefits in chronic kidney disease and heart failure even in patients without diabetes,” said Dr. Rangaswami, Einstein Medical Center and Sidney Kimmel Medical College, both in Philadelphia.

“These data are practice-changing in both cardiology and nephrology, and usher in a new era of disease-modifying therapies in heart and kidney disease,” Dr. Rangaswami added.
 

Recommendations at a glance

  • Provide early and ongoing assessment of risks for CVD and CKD to patients who may benefit from SGLT2 inhibitors of GLP-1 receptor agonists.
  • Tailor medication choices that meet the needs of individual patients. Realize that, given “consistent class-wide effects,” the choice of a specific SGLT2 inhibitor or GLP-1 receptor agonist may be dictated by affordability, coverage, and formulary considerations.
  • Adjust all medications in tandem with these medicines and consider the burden of polypharmacy, which is common among people with type 2 diabetes. Adjust concomitant therapies and deprescribe where possible.
  • Identify risks for hypoglycemia and educate patients on the signs so they can seek treatment quickly.
  • Monitor and control high blood pressure.
  • Counsel patients about the risks for and symptoms of euglycemic diabetic ketoacidosis when taking SGLT2 inhibitors, as well as classic DKA, which can be fatal.
  • Regularly screen and counsel patients about foot care to prevent foot ulcers or blisters that can quickly become infected and lead to amputation.

The writing group identified two additional patient subgroups that may benefit from SGLT2 inhibitors and GLP-1 receptor agonists: those with heart failure with reduced ejection fraction with or without diabetes; and those with CKD who do not have diabetes. They say more data are anticipated to validate the use of SGLT2 inhibitors and GLP-1 receptor agonists in these “at-risk” patients.
 

Collaborative care model

The writing group proposed a collaborative care model, bridging cardiologists, nephrologists, endocrinologists, and primary care physicians, to help facilitate the “prompt and appropriate” integration of these new classes of medications in the management of patients with type 2 diabetes and CKD.

There is “an unmet need for a cardio-renal-metabolic care model that incorporates best practices in the real world to help align these therapies, especially with vulnerable high-risk patients with cardiorenal disease, and to overcome barriers toward uptake of these agents. Hopefully this statement provides some guidance to the cardiology and nephrology communities in that area,” Dr. Rangaswami said in an interview.

But old habits die hard, as research continues to show the slow adoption of these newer medications in the real world.

For example, a large observational study published last year showed a “striking” discordance between evidence-based, guideline-recommended use of SGLT2 inhibitors for the treatment of type 2 diabetes and their actual uptake in clinical practice.

Paradoxically, patients with CVD, heart failure, hypertension, CKD, and those at risk for hypoglycemia were less apt to receive an SGLT2 inhibitor than other patients.

“The relatively slow uptake of these agents is multifactorial,” Dr. Rangaswami said. “Cardiologists and nephrologists may suffer from some level of ‘therapeutic inertia’ when using new agents they are unfamiliar with and originally branded as ‘antidiabetic’ agents, with the perception of these agents being outside the scope of their practice.”

Two other factors are also at play. “The current health care system is based on ‘specialty silos,’ where specialists tend to stick to the traditional scope of their specialty and are reluctant to view these agents as part of their therapeutic armamentarium. Finally, insurance coverage barriers and affordability also limit the use on a widespread basis,” Dr. Rangaswami said.

A version of this article originally appeared on Medscape.com .

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To protect the heart and kidneys, sodium-glucose transporter 2 (SGLT2) inhibitors and glucagonlike peptide–1 (GLP-1) receptor agonists should be considered for people with type 2 diabetes and chronic kidney disease (CKD), the American Heart Association advised in a new scientific statement.

Taken together, the results of relevant clinical trials indicate that SGLT2 inhibitors and GLP-1 receptor agonists safely and significantly reduce the risk for cardiovascular (CV) events, death, and the slow progression of CKD to end-stage kidney disease, including the risks for dialysis, transplantation, and death, the writing group says.

The scientific statement was published online Sept. 28 in Circulation.

“There has been rapid reporting of high-quality data in the cardio-renal-metabolic space with significant heart and kidney benefits, particularly with these two newer classes of antihyperglycemic agents,” Janani Rangaswami, MD, who chaired the writing group, said in an interview.

“More recent data show benefits in chronic kidney disease and heart failure even in patients without diabetes,” said Dr. Rangaswami, Einstein Medical Center and Sidney Kimmel Medical College, both in Philadelphia.

“These data are practice-changing in both cardiology and nephrology, and usher in a new era of disease-modifying therapies in heart and kidney disease,” Dr. Rangaswami added.
 

Recommendations at a glance

  • Provide early and ongoing assessment of risks for CVD and CKD to patients who may benefit from SGLT2 inhibitors of GLP-1 receptor agonists.
  • Tailor medication choices that meet the needs of individual patients. Realize that, given “consistent class-wide effects,” the choice of a specific SGLT2 inhibitor or GLP-1 receptor agonist may be dictated by affordability, coverage, and formulary considerations.
  • Adjust all medications in tandem with these medicines and consider the burden of polypharmacy, which is common among people with type 2 diabetes. Adjust concomitant therapies and deprescribe where possible.
  • Identify risks for hypoglycemia and educate patients on the signs so they can seek treatment quickly.
  • Monitor and control high blood pressure.
  • Counsel patients about the risks for and symptoms of euglycemic diabetic ketoacidosis when taking SGLT2 inhibitors, as well as classic DKA, which can be fatal.
  • Regularly screen and counsel patients about foot care to prevent foot ulcers or blisters that can quickly become infected and lead to amputation.

The writing group identified two additional patient subgroups that may benefit from SGLT2 inhibitors and GLP-1 receptor agonists: those with heart failure with reduced ejection fraction with or without diabetes; and those with CKD who do not have diabetes. They say more data are anticipated to validate the use of SGLT2 inhibitors and GLP-1 receptor agonists in these “at-risk” patients.
 

Collaborative care model

The writing group proposed a collaborative care model, bridging cardiologists, nephrologists, endocrinologists, and primary care physicians, to help facilitate the “prompt and appropriate” integration of these new classes of medications in the management of patients with type 2 diabetes and CKD.

There is “an unmet need for a cardio-renal-metabolic care model that incorporates best practices in the real world to help align these therapies, especially with vulnerable high-risk patients with cardiorenal disease, and to overcome barriers toward uptake of these agents. Hopefully this statement provides some guidance to the cardiology and nephrology communities in that area,” Dr. Rangaswami said in an interview.

But old habits die hard, as research continues to show the slow adoption of these newer medications in the real world.

For example, a large observational study published last year showed a “striking” discordance between evidence-based, guideline-recommended use of SGLT2 inhibitors for the treatment of type 2 diabetes and their actual uptake in clinical practice.

Paradoxically, patients with CVD, heart failure, hypertension, CKD, and those at risk for hypoglycemia were less apt to receive an SGLT2 inhibitor than other patients.

“The relatively slow uptake of these agents is multifactorial,” Dr. Rangaswami said. “Cardiologists and nephrologists may suffer from some level of ‘therapeutic inertia’ when using new agents they are unfamiliar with and originally branded as ‘antidiabetic’ agents, with the perception of these agents being outside the scope of their practice.”

Two other factors are also at play. “The current health care system is based on ‘specialty silos,’ where specialists tend to stick to the traditional scope of their specialty and are reluctant to view these agents as part of their therapeutic armamentarium. Finally, insurance coverage barriers and affordability also limit the use on a widespread basis,” Dr. Rangaswami said.

A version of this article originally appeared on Medscape.com .

 

To protect the heart and kidneys, sodium-glucose transporter 2 (SGLT2) inhibitors and glucagonlike peptide–1 (GLP-1) receptor agonists should be considered for people with type 2 diabetes and chronic kidney disease (CKD), the American Heart Association advised in a new scientific statement.

Taken together, the results of relevant clinical trials indicate that SGLT2 inhibitors and GLP-1 receptor agonists safely and significantly reduce the risk for cardiovascular (CV) events, death, and the slow progression of CKD to end-stage kidney disease, including the risks for dialysis, transplantation, and death, the writing group says.

The scientific statement was published online Sept. 28 in Circulation.

“There has been rapid reporting of high-quality data in the cardio-renal-metabolic space with significant heart and kidney benefits, particularly with these two newer classes of antihyperglycemic agents,” Janani Rangaswami, MD, who chaired the writing group, said in an interview.

“More recent data show benefits in chronic kidney disease and heart failure even in patients without diabetes,” said Dr. Rangaswami, Einstein Medical Center and Sidney Kimmel Medical College, both in Philadelphia.

“These data are practice-changing in both cardiology and nephrology, and usher in a new era of disease-modifying therapies in heart and kidney disease,” Dr. Rangaswami added.
 

Recommendations at a glance

  • Provide early and ongoing assessment of risks for CVD and CKD to patients who may benefit from SGLT2 inhibitors of GLP-1 receptor agonists.
  • Tailor medication choices that meet the needs of individual patients. Realize that, given “consistent class-wide effects,” the choice of a specific SGLT2 inhibitor or GLP-1 receptor agonist may be dictated by affordability, coverage, and formulary considerations.
  • Adjust all medications in tandem with these medicines and consider the burden of polypharmacy, which is common among people with type 2 diabetes. Adjust concomitant therapies and deprescribe where possible.
  • Identify risks for hypoglycemia and educate patients on the signs so they can seek treatment quickly.
  • Monitor and control high blood pressure.
  • Counsel patients about the risks for and symptoms of euglycemic diabetic ketoacidosis when taking SGLT2 inhibitors, as well as classic DKA, which can be fatal.
  • Regularly screen and counsel patients about foot care to prevent foot ulcers or blisters that can quickly become infected and lead to amputation.

The writing group identified two additional patient subgroups that may benefit from SGLT2 inhibitors and GLP-1 receptor agonists: those with heart failure with reduced ejection fraction with or without diabetes; and those with CKD who do not have diabetes. They say more data are anticipated to validate the use of SGLT2 inhibitors and GLP-1 receptor agonists in these “at-risk” patients.
 

Collaborative care model

The writing group proposed a collaborative care model, bridging cardiologists, nephrologists, endocrinologists, and primary care physicians, to help facilitate the “prompt and appropriate” integration of these new classes of medications in the management of patients with type 2 diabetes and CKD.

There is “an unmet need for a cardio-renal-metabolic care model that incorporates best practices in the real world to help align these therapies, especially with vulnerable high-risk patients with cardiorenal disease, and to overcome barriers toward uptake of these agents. Hopefully this statement provides some guidance to the cardiology and nephrology communities in that area,” Dr. Rangaswami said in an interview.

But old habits die hard, as research continues to show the slow adoption of these newer medications in the real world.

For example, a large observational study published last year showed a “striking” discordance between evidence-based, guideline-recommended use of SGLT2 inhibitors for the treatment of type 2 diabetes and their actual uptake in clinical practice.

Paradoxically, patients with CVD, heart failure, hypertension, CKD, and those at risk for hypoglycemia were less apt to receive an SGLT2 inhibitor than other patients.

“The relatively slow uptake of these agents is multifactorial,” Dr. Rangaswami said. “Cardiologists and nephrologists may suffer from some level of ‘therapeutic inertia’ when using new agents they are unfamiliar with and originally branded as ‘antidiabetic’ agents, with the perception of these agents being outside the scope of their practice.”

Two other factors are also at play. “The current health care system is based on ‘specialty silos,’ where specialists tend to stick to the traditional scope of their specialty and are reluctant to view these agents as part of their therapeutic armamentarium. Finally, insurance coverage barriers and affordability also limit the use on a widespread basis,” Dr. Rangaswami said.

A version of this article originally appeared on Medscape.com .

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VERTIS CV: Ertugliflozin’s proven benefits fall short of other SGLT2 inhibitors

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Further analyses from the cardiovascular outcome trial of the sodium-glucose transporter 2 inhibitor ertugliflozin in patients with type 2 diabetes helped better define positive effects the drug had on preserving renal function, and also gave a tantalizing hint that this drug, and hence possibly the entire SGLT2 inhibitor drug class, may benefit patients with heart failure with reduced ejection fraction.

Dr. Melanie Davies

But the underlying problem for ertugliflozin (Steglatro) – first seen when results from the VERTIS CV trial initially came out in June 2020 at the annual meeting of the American Diabetes Association – was that, while the trial met its primary endpoint of proving noninferiority to placebo for the combined endpoint of cardiovascular death, nonfatal MI, or nonfatal stroke, treatment with ertugliflozin showed no suggestion of benefit, compared with placebo for reducing this endpoint, producing a nonsignificant 3% relative cut in the combined rate of these adverse events, compared with placebo treatment.
 

‘Somewhat disappointing’ trial performance

Overall, results from VERTIS CV with ertugliflozin were “somewhat disappointing,” commented Melanie J. Davies, MD, who was not involved with the study and chaired a session at the virtual annual meeting of the European Association for the Study of Diabetes that reviewed the main results, put them into perspective, and added a few new exploratory analyses.

Although the results from 8,246-patient VERTIS CV (Evaluation of Ertugliflozin Efficacy and Safety Cardiovascular Outcomes Trial) put ertugliflozin in the same league as other drugs from its class for safety, “we do not see the significant benefits observed in many of the previous cardiovascular outcomes trials” for other drugs in the SGLT2 inhibitor class, specifically canagliflozin (Invokana), dapagliflozin (Farxiga), and empagliflozin (Jardiance), Dr. Davies said in an interview. The upshot, for at least the time being, is that ertugliflozin “is unlikely to receive a label for any new indications,” she predicted. In contrast, the other drugs in the class have, for example, received a U.S. labeled indication to reduce cardiovascular death (empagliflozin) or major cardiovascular disease events (canagliflozin) in adults with type 2 diabetes (T2D) and cardiovascular disease, or to reduce heart failure hospitalizations (dapagliflozin).



The main results from VERTIS CV, posted online in the New England Journal of Medicine after the EASD session, showed a single significant outcome difference between treatment with ertugliflozin and placebo over a median of 3.0 years of follow-up from among 10 reported secondary outcomes: a 30% relative reduction (a 1.1% absolute reduction) in the rate of hospitalization for heart failure, the sole criterion in the report by which ertugliflozin matched the benefits of the other SGLT2 inhibitors.

But the prespecified design of VERTIS CV called for a hierarchical sequence of secondary analyses. The statistically significant noninferiority of the primary endpoint allowed calculation of the initial secondary endpoint, a reduction in the combined rate of cardiovascular death or hospitalization for heart failure. Ertugliflozin treatment cut this outcome by a relative 12%, compared with placebo, a difference that was not significant.

This neutral finding brought to a stop further statistical testing of any of the other secondary endpoints, including impact on hospitalization for heart failure by itself. It also guaranteed that no beneficial effect inferred from the trial’s data would qualify for statistical validity, making it unlikely that ertugliflozin would gain any new label indications from these results. The drug carries a U.S. label that is limited to providing glycemic control.

 

 

Choosing among the SGLT2 inhibitors

“What we can say for sure is that there is a glycemic benefit and a heart failure hospitalization benefit” across all four of the SGLT2 inhibitors. “Beyond that, the best we can say today [about using these drugs in practice] is to follow regulatory indications and guidelines recommendations,” commented Javed Butler, MD, a cardiologist and professor and chair of medicine at the University of Mississippi Medical Center, Jackson.

Dr. Javed Butler

“These results are going to lead to some serious discussions among the research, clinical, and regulatory communities about class effects versus drug effects, and specific trial data versus the totality of evidence,” he said in an interview.

“I think it will influence prescribing ertugliflozin, particularly in patients with established cardiovascular disease, or when the goal is to improve heart failure outcomes of reduce chronic kidney disease,” added Dr. Davies, a professor of diabetes medicine at the University of Leicester (England). “We already have positive benefits [proven for these outcomes] using other agents in the class.”

Perhaps one feature potentially in ertugliflozin’s favor is its price, and whatever impact that might have for payers or patients with inadequate coverage for their drug costs. U.S. websites show a typical retail price for ertugliflozin that is roughly 40% below the three other agents in the class, a difference that can add up to an annual cost savings of about $2,500.

A major consideration for clinicians deciding which SGLT2 inhibitor to prescribe should be “what can the patient afford,” noted Darren K. McGuire, MD, a coinvestigator for VERTIS CV, during discussion of the trial at the EASD virtual meeting.
 

New analyses show more renal-effect consistency

One surprise in the initial VERTIS CV report was in the study’s key renal outcome, a composite of renal death, need for dialysis, or a doubling of the serum creatinine level, which reflects a cut of at least a 50% in estimated glomerular filtration rate (eGFR). This composite outcome trended toward a significant benefit but fell short, producing a nominal 19% relative reduction. This combined endpoint probably “set the bar too high,” said David Z.I. Cherney, MD, a nephrologist who led the renal assessments run in the trial. He presented several exploratory analyses during the virtual EASD session that provided reassuring evidence that ertugliflozin was not an outlier among the SGLT2 inhibitors when it came to kidney benefits.

Dr. David Cherney

Perhaps the most compelling analysis he reported was a slight tweak to the main renal composite endpoint that substituted prevention of a 40% or greater reduction in eGFR for prevention of a 50% or greater reduction. By this somewhat lower bar for efficacy, treatment with ertugliflozin in VERTIS CV linked with a 34% relative risk reduction, compared with placebo (a roughly 1% absolute reduction) that was statistically significant, and importantly came out very close to the effect for this revised endpoint that had been seen for the other three SGLT2 inhibitor drugs.

Focusing on prevention of a 40% or greater drop in eGFR “gives a much more robust measure of renal protection,” Dr. Cherney, a clinician and researcher at the University of Toronto, said in an interview. “The key message is that renal protection is much more uniform” with the rest of the drugs in the class when looked at this way or by some of the other alternative parameters he reported. But the new renal analyses do not address disparities seen among the drugs in the class for several cardiovascular disease effects.

“The overall impression from VERTIS CV is that there was less cardiovascular disease benefit,” except for prevention of heart failure hospitalization, he said.

A teaser for HFpEF

One additional notable new finding discussed during the EASD session stemmed from the investigators ability to mine the medical records of enrolled patients for information about their heart failure history and left ventricular ejection fractions, a data set that was “unique,” compared with the other cardiovascular outcome trials for the drugs in the class, noted Francesco Cosentino, MD, another VERTIS CV coinvestigator and professor of cardiology at the Karolinska Institute in Stockholm.

Roughly a quarter of the enrolled patients had a history of heart failure, and about half of these patients had heart failure with preserved ejection fraction, about 1,000 total patients. In this subgroup treatment with ertugliflozin linked with a 30% relative reduction in hospitalization for heart failure, compared with placebo, a roughly 0.5% absolute reduction. The numbers were small and underpowered for producing convincing evidence, but it provided an intriguing hint of benefit for an unmet need that is currently undergoing further testing in studies designed to specifically explore benefit in this type of heart failure patient, said Dr. Cosentino.

VERTIS CV was sponsored by Merck and Pfizer, the companies that market ertugliflozin. Dr. Davies has been a speaker on behalf of Merck and has had relationships with several other companies. Dr. Butler is a consultant to Merck and several other companies. Dr. McGuire has received honoraria from Merck, nonfinancial support from Pfizer, and has had relationships with several other companies. Dr. Cherney has received honoraria from Merck, nonfinancial research support from Pfizer, and has also had relationships with several other companies. Dr. Cosentino has received fees from Merck and Pfizer, and also from Abbott, AstraZeneca, Bayer, Bristol-Myers Squibb, and Novo Nordisk

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Further analyses from the cardiovascular outcome trial of the sodium-glucose transporter 2 inhibitor ertugliflozin in patients with type 2 diabetes helped better define positive effects the drug had on preserving renal function, and also gave a tantalizing hint that this drug, and hence possibly the entire SGLT2 inhibitor drug class, may benefit patients with heart failure with reduced ejection fraction.

Dr. Melanie Davies

But the underlying problem for ertugliflozin (Steglatro) – first seen when results from the VERTIS CV trial initially came out in June 2020 at the annual meeting of the American Diabetes Association – was that, while the trial met its primary endpoint of proving noninferiority to placebo for the combined endpoint of cardiovascular death, nonfatal MI, or nonfatal stroke, treatment with ertugliflozin showed no suggestion of benefit, compared with placebo for reducing this endpoint, producing a nonsignificant 3% relative cut in the combined rate of these adverse events, compared with placebo treatment.
 

‘Somewhat disappointing’ trial performance

Overall, results from VERTIS CV with ertugliflozin were “somewhat disappointing,” commented Melanie J. Davies, MD, who was not involved with the study and chaired a session at the virtual annual meeting of the European Association for the Study of Diabetes that reviewed the main results, put them into perspective, and added a few new exploratory analyses.

Although the results from 8,246-patient VERTIS CV (Evaluation of Ertugliflozin Efficacy and Safety Cardiovascular Outcomes Trial) put ertugliflozin in the same league as other drugs from its class for safety, “we do not see the significant benefits observed in many of the previous cardiovascular outcomes trials” for other drugs in the SGLT2 inhibitor class, specifically canagliflozin (Invokana), dapagliflozin (Farxiga), and empagliflozin (Jardiance), Dr. Davies said in an interview. The upshot, for at least the time being, is that ertugliflozin “is unlikely to receive a label for any new indications,” she predicted. In contrast, the other drugs in the class have, for example, received a U.S. labeled indication to reduce cardiovascular death (empagliflozin) or major cardiovascular disease events (canagliflozin) in adults with type 2 diabetes (T2D) and cardiovascular disease, or to reduce heart failure hospitalizations (dapagliflozin).



The main results from VERTIS CV, posted online in the New England Journal of Medicine after the EASD session, showed a single significant outcome difference between treatment with ertugliflozin and placebo over a median of 3.0 years of follow-up from among 10 reported secondary outcomes: a 30% relative reduction (a 1.1% absolute reduction) in the rate of hospitalization for heart failure, the sole criterion in the report by which ertugliflozin matched the benefits of the other SGLT2 inhibitors.

But the prespecified design of VERTIS CV called for a hierarchical sequence of secondary analyses. The statistically significant noninferiority of the primary endpoint allowed calculation of the initial secondary endpoint, a reduction in the combined rate of cardiovascular death or hospitalization for heart failure. Ertugliflozin treatment cut this outcome by a relative 12%, compared with placebo, a difference that was not significant.

This neutral finding brought to a stop further statistical testing of any of the other secondary endpoints, including impact on hospitalization for heart failure by itself. It also guaranteed that no beneficial effect inferred from the trial’s data would qualify for statistical validity, making it unlikely that ertugliflozin would gain any new label indications from these results. The drug carries a U.S. label that is limited to providing glycemic control.

 

 

Choosing among the SGLT2 inhibitors

“What we can say for sure is that there is a glycemic benefit and a heart failure hospitalization benefit” across all four of the SGLT2 inhibitors. “Beyond that, the best we can say today [about using these drugs in practice] is to follow regulatory indications and guidelines recommendations,” commented Javed Butler, MD, a cardiologist and professor and chair of medicine at the University of Mississippi Medical Center, Jackson.

Dr. Javed Butler

“These results are going to lead to some serious discussions among the research, clinical, and regulatory communities about class effects versus drug effects, and specific trial data versus the totality of evidence,” he said in an interview.

“I think it will influence prescribing ertugliflozin, particularly in patients with established cardiovascular disease, or when the goal is to improve heart failure outcomes of reduce chronic kidney disease,” added Dr. Davies, a professor of diabetes medicine at the University of Leicester (England). “We already have positive benefits [proven for these outcomes] using other agents in the class.”

Perhaps one feature potentially in ertugliflozin’s favor is its price, and whatever impact that might have for payers or patients with inadequate coverage for their drug costs. U.S. websites show a typical retail price for ertugliflozin that is roughly 40% below the three other agents in the class, a difference that can add up to an annual cost savings of about $2,500.

A major consideration for clinicians deciding which SGLT2 inhibitor to prescribe should be “what can the patient afford,” noted Darren K. McGuire, MD, a coinvestigator for VERTIS CV, during discussion of the trial at the EASD virtual meeting.
 

New analyses show more renal-effect consistency

One surprise in the initial VERTIS CV report was in the study’s key renal outcome, a composite of renal death, need for dialysis, or a doubling of the serum creatinine level, which reflects a cut of at least a 50% in estimated glomerular filtration rate (eGFR). This composite outcome trended toward a significant benefit but fell short, producing a nominal 19% relative reduction. This combined endpoint probably “set the bar too high,” said David Z.I. Cherney, MD, a nephrologist who led the renal assessments run in the trial. He presented several exploratory analyses during the virtual EASD session that provided reassuring evidence that ertugliflozin was not an outlier among the SGLT2 inhibitors when it came to kidney benefits.

Dr. David Cherney

Perhaps the most compelling analysis he reported was a slight tweak to the main renal composite endpoint that substituted prevention of a 40% or greater reduction in eGFR for prevention of a 50% or greater reduction. By this somewhat lower bar for efficacy, treatment with ertugliflozin in VERTIS CV linked with a 34% relative risk reduction, compared with placebo (a roughly 1% absolute reduction) that was statistically significant, and importantly came out very close to the effect for this revised endpoint that had been seen for the other three SGLT2 inhibitor drugs.

Focusing on prevention of a 40% or greater drop in eGFR “gives a much more robust measure of renal protection,” Dr. Cherney, a clinician and researcher at the University of Toronto, said in an interview. “The key message is that renal protection is much more uniform” with the rest of the drugs in the class when looked at this way or by some of the other alternative parameters he reported. But the new renal analyses do not address disparities seen among the drugs in the class for several cardiovascular disease effects.

“The overall impression from VERTIS CV is that there was less cardiovascular disease benefit,” except for prevention of heart failure hospitalization, he said.

A teaser for HFpEF

One additional notable new finding discussed during the EASD session stemmed from the investigators ability to mine the medical records of enrolled patients for information about their heart failure history and left ventricular ejection fractions, a data set that was “unique,” compared with the other cardiovascular outcome trials for the drugs in the class, noted Francesco Cosentino, MD, another VERTIS CV coinvestigator and professor of cardiology at the Karolinska Institute in Stockholm.

Roughly a quarter of the enrolled patients had a history of heart failure, and about half of these patients had heart failure with preserved ejection fraction, about 1,000 total patients. In this subgroup treatment with ertugliflozin linked with a 30% relative reduction in hospitalization for heart failure, compared with placebo, a roughly 0.5% absolute reduction. The numbers were small and underpowered for producing convincing evidence, but it provided an intriguing hint of benefit for an unmet need that is currently undergoing further testing in studies designed to specifically explore benefit in this type of heart failure patient, said Dr. Cosentino.

VERTIS CV was sponsored by Merck and Pfizer, the companies that market ertugliflozin. Dr. Davies has been a speaker on behalf of Merck and has had relationships with several other companies. Dr. Butler is a consultant to Merck and several other companies. Dr. McGuire has received honoraria from Merck, nonfinancial support from Pfizer, and has had relationships with several other companies. Dr. Cherney has received honoraria from Merck, nonfinancial research support from Pfizer, and has also had relationships with several other companies. Dr. Cosentino has received fees from Merck and Pfizer, and also from Abbott, AstraZeneca, Bayer, Bristol-Myers Squibb, and Novo Nordisk

Further analyses from the cardiovascular outcome trial of the sodium-glucose transporter 2 inhibitor ertugliflozin in patients with type 2 diabetes helped better define positive effects the drug had on preserving renal function, and also gave a tantalizing hint that this drug, and hence possibly the entire SGLT2 inhibitor drug class, may benefit patients with heart failure with reduced ejection fraction.

Dr. Melanie Davies

But the underlying problem for ertugliflozin (Steglatro) – first seen when results from the VERTIS CV trial initially came out in June 2020 at the annual meeting of the American Diabetes Association – was that, while the trial met its primary endpoint of proving noninferiority to placebo for the combined endpoint of cardiovascular death, nonfatal MI, or nonfatal stroke, treatment with ertugliflozin showed no suggestion of benefit, compared with placebo for reducing this endpoint, producing a nonsignificant 3% relative cut in the combined rate of these adverse events, compared with placebo treatment.
 

‘Somewhat disappointing’ trial performance

Overall, results from VERTIS CV with ertugliflozin were “somewhat disappointing,” commented Melanie J. Davies, MD, who was not involved with the study and chaired a session at the virtual annual meeting of the European Association for the Study of Diabetes that reviewed the main results, put them into perspective, and added a few new exploratory analyses.

Although the results from 8,246-patient VERTIS CV (Evaluation of Ertugliflozin Efficacy and Safety Cardiovascular Outcomes Trial) put ertugliflozin in the same league as other drugs from its class for safety, “we do not see the significant benefits observed in many of the previous cardiovascular outcomes trials” for other drugs in the SGLT2 inhibitor class, specifically canagliflozin (Invokana), dapagliflozin (Farxiga), and empagliflozin (Jardiance), Dr. Davies said in an interview. The upshot, for at least the time being, is that ertugliflozin “is unlikely to receive a label for any new indications,” she predicted. In contrast, the other drugs in the class have, for example, received a U.S. labeled indication to reduce cardiovascular death (empagliflozin) or major cardiovascular disease events (canagliflozin) in adults with type 2 diabetes (T2D) and cardiovascular disease, or to reduce heart failure hospitalizations (dapagliflozin).



The main results from VERTIS CV, posted online in the New England Journal of Medicine after the EASD session, showed a single significant outcome difference between treatment with ertugliflozin and placebo over a median of 3.0 years of follow-up from among 10 reported secondary outcomes: a 30% relative reduction (a 1.1% absolute reduction) in the rate of hospitalization for heart failure, the sole criterion in the report by which ertugliflozin matched the benefits of the other SGLT2 inhibitors.

But the prespecified design of VERTIS CV called for a hierarchical sequence of secondary analyses. The statistically significant noninferiority of the primary endpoint allowed calculation of the initial secondary endpoint, a reduction in the combined rate of cardiovascular death or hospitalization for heart failure. Ertugliflozin treatment cut this outcome by a relative 12%, compared with placebo, a difference that was not significant.

This neutral finding brought to a stop further statistical testing of any of the other secondary endpoints, including impact on hospitalization for heart failure by itself. It also guaranteed that no beneficial effect inferred from the trial’s data would qualify for statistical validity, making it unlikely that ertugliflozin would gain any new label indications from these results. The drug carries a U.S. label that is limited to providing glycemic control.

 

 

Choosing among the SGLT2 inhibitors

“What we can say for sure is that there is a glycemic benefit and a heart failure hospitalization benefit” across all four of the SGLT2 inhibitors. “Beyond that, the best we can say today [about using these drugs in practice] is to follow regulatory indications and guidelines recommendations,” commented Javed Butler, MD, a cardiologist and professor and chair of medicine at the University of Mississippi Medical Center, Jackson.

Dr. Javed Butler

“These results are going to lead to some serious discussions among the research, clinical, and regulatory communities about class effects versus drug effects, and specific trial data versus the totality of evidence,” he said in an interview.

“I think it will influence prescribing ertugliflozin, particularly in patients with established cardiovascular disease, or when the goal is to improve heart failure outcomes of reduce chronic kidney disease,” added Dr. Davies, a professor of diabetes medicine at the University of Leicester (England). “We already have positive benefits [proven for these outcomes] using other agents in the class.”

Perhaps one feature potentially in ertugliflozin’s favor is its price, and whatever impact that might have for payers or patients with inadequate coverage for their drug costs. U.S. websites show a typical retail price for ertugliflozin that is roughly 40% below the three other agents in the class, a difference that can add up to an annual cost savings of about $2,500.

A major consideration for clinicians deciding which SGLT2 inhibitor to prescribe should be “what can the patient afford,” noted Darren K. McGuire, MD, a coinvestigator for VERTIS CV, during discussion of the trial at the EASD virtual meeting.
 

New analyses show more renal-effect consistency

One surprise in the initial VERTIS CV report was in the study’s key renal outcome, a composite of renal death, need for dialysis, or a doubling of the serum creatinine level, which reflects a cut of at least a 50% in estimated glomerular filtration rate (eGFR). This composite outcome trended toward a significant benefit but fell short, producing a nominal 19% relative reduction. This combined endpoint probably “set the bar too high,” said David Z.I. Cherney, MD, a nephrologist who led the renal assessments run in the trial. He presented several exploratory analyses during the virtual EASD session that provided reassuring evidence that ertugliflozin was not an outlier among the SGLT2 inhibitors when it came to kidney benefits.

Dr. David Cherney

Perhaps the most compelling analysis he reported was a slight tweak to the main renal composite endpoint that substituted prevention of a 40% or greater reduction in eGFR for prevention of a 50% or greater reduction. By this somewhat lower bar for efficacy, treatment with ertugliflozin in VERTIS CV linked with a 34% relative risk reduction, compared with placebo (a roughly 1% absolute reduction) that was statistically significant, and importantly came out very close to the effect for this revised endpoint that had been seen for the other three SGLT2 inhibitor drugs.

Focusing on prevention of a 40% or greater drop in eGFR “gives a much more robust measure of renal protection,” Dr. Cherney, a clinician and researcher at the University of Toronto, said in an interview. “The key message is that renal protection is much more uniform” with the rest of the drugs in the class when looked at this way or by some of the other alternative parameters he reported. But the new renal analyses do not address disparities seen among the drugs in the class for several cardiovascular disease effects.

“The overall impression from VERTIS CV is that there was less cardiovascular disease benefit,” except for prevention of heart failure hospitalization, he said.

A teaser for HFpEF

One additional notable new finding discussed during the EASD session stemmed from the investigators ability to mine the medical records of enrolled patients for information about their heart failure history and left ventricular ejection fractions, a data set that was “unique,” compared with the other cardiovascular outcome trials for the drugs in the class, noted Francesco Cosentino, MD, another VERTIS CV coinvestigator and professor of cardiology at the Karolinska Institute in Stockholm.

Roughly a quarter of the enrolled patients had a history of heart failure, and about half of these patients had heart failure with preserved ejection fraction, about 1,000 total patients. In this subgroup treatment with ertugliflozin linked with a 30% relative reduction in hospitalization for heart failure, compared with placebo, a roughly 0.5% absolute reduction. The numbers were small and underpowered for producing convincing evidence, but it provided an intriguing hint of benefit for an unmet need that is currently undergoing further testing in studies designed to specifically explore benefit in this type of heart failure patient, said Dr. Cosentino.

VERTIS CV was sponsored by Merck and Pfizer, the companies that market ertugliflozin. Dr. Davies has been a speaker on behalf of Merck and has had relationships with several other companies. Dr. Butler is a consultant to Merck and several other companies. Dr. McGuire has received honoraria from Merck, nonfinancial support from Pfizer, and has had relationships with several other companies. Dr. Cherney has received honoraria from Merck, nonfinancial research support from Pfizer, and has also had relationships with several other companies. Dr. Cosentino has received fees from Merck and Pfizer, and also from Abbott, AstraZeneca, Bayer, Bristol-Myers Squibb, and Novo Nordisk

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Observational study again suggests lasting impact of COVID-19 on heart

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A new study using cardiac magnetic resonance (CMR) imaging to examine the effects of novel coronavirus infection on the heart showed signs suggestive of myocarditis in 4 out of 26 competitive athletes who recovered from asymptomatic or mild cases of COVID-19.

Sr. Saurabh Rajpal

While these and other similar findings are concerning, commentators are saying the results are preliminary and do not indicate widespread CMR screening is appropriate.

Two of the 4 patients showing signs of myocarditis in this series had no symptoms of COVID-19 but tested positive on routine testing. An additional 12 student athletes (46%) showed late gadolinium enhancement (LGE), of whom 8 (30.8%) had LGE without T2 elevation suggestive of prior myocardial injury.

An additional 12 student athletes (46%) showed late gadolinium enhancement (LGE), of whom 8 (31%) had LGE without T2 elevation suggestive of prior myocardial injury.

This finding, said Saurabh Rajpal, MBBS, MD, the study’s lead author, “could suggest prior myocardial injury or it could suggest athletic myocardial adaptation.”

In a research letter published in JAMA Cardiology, Rajpal and colleagues at Ohio State University in Columbus, described the findings of comprehensive CMR examinations in competitive athletes referred to the sport medicine clinic after testing positive for COVID-19 on reverse transcriptase-polymerase chain reaction between June and August 2020.

The university had made the decision in the spring to use CMR imaging as a screening tool for return to play, said Dr. Rajpal. While CMR is being used for research purposes, the American College of Cardiology’s recent “consensus expert opinion” statement on resumption of sport and exercise after COVID-19 infection does not require CMR imaging for resumption of competitive activity (JAMA Cardiol. 2020 May 13. doi:10.1001/jamacardio.2020.2136).

None of the athletes required hospitalization for their illness, and only 27% reported mild symptoms during the short-term infection, including sore throat, shortness of breath, myalgia, and fever.

On the day of CMR imaging, ECG and transthoracic echocardiography were performed, and serum troponin I was measured. There were no diagnostic ST/T wave changes, ventricular function and volumes were normal, and no athletes showed elevated serum troponin levels.

The updated Lake Louise Criteria were used to assess CMR findings consistent with myocarditis.

“I don’t think this is a COVID-specific issue. We have seen myocarditis after other viral infections; it’s just that COVID-19 is the most studied thus far, and with strenuous activity, inflammation in the heart can be risky,” Dr. Rajpal said in an interview. He added that more long-term and larger studies with control populations are needed.

His group is continuing to follow these athletes and has suggested that CMR “may provide an excellent risk-stratification assessment for myocarditis in athletes who have recovered from COVID-19 to guide safe competitive sports participation.”
 

Significance still unknown

Matthew Martinez, MD, the director of sports cardiology at Atlantic Health – Morristown (N.J.) Medical Center and the Gagnon Cardiovascular Institute, urged caution in making too much of the findings of this small study.

Dr. Matthew Martinez

“We know that viruses cause myocardial damage and myocarditis. What we don’t know is how important these findings are. And in terms of risk, would we find the same phenomenon if we did this, say, in flu patients or in other age groups?” Dr. Martinez said in an interview.

“I haven’t seen all the images, but what I’d want to know is are these very subtle findings? Are these overt findings? Is this part of an active individual with symptoms? I need to know a little more data before I can tell if this influences the increased risk of sudden cardiac death that we often associate with myocarditis. I’m not sure how this should influence making decisions with regards to return to play.”

Dr. Martinez, who is the ACC’s chair of Sports and Exercise but was not an author of their recent guidance on return to sport, said that he is not routinely using CMR to assess athletes post-infection, as per the ACC’s recommendations.

“My approach is to evaluate anybody with a history of COVID infection and, first, determine whether it was an important infection with significant symptoms or not. And then, if they’re participating at a high level or are professional athletes, I would suggest an ECG, echo, and troponin. That’s our recommendation for the last several months and is still an appropriate way to evaluate that group.”

“In the presence of an abnormality or ongoing symptoms, I would ask for an MRI at that point,” said Dr. Martinez.

“We just don’t have much data on athletes with no symptoms to use to interpret these CMR findings and the study didn’t offer any controls. We don’t even know if these findings are new findings or old findings that have just been identified now,” he added.

New, updated recommendations from the ACC are coming soon, said Dr. Martinez. “I do not expect them to include CMR as first line.”
 

Cardiologists concerned about misinformation

This is at least the fourth study showing myocardial damage post-COVID-19 infection and there is concern in the medical community that the media has overstated the risks of heart damage, especially in athletes, and at the same time overstated the benefits of CMR.

In particular, Puntmann et al reported in July a 100-patient study that showed evidence of myocardial inflammation by CMR in 78% of patients recently recovered from a bout of COVID-19 (JAMA Cardiol. 2020 Jul 27; doi:10.1001/jamacardio.2020.3557).

Dr. John Mandrola

“That paper is completely problematic,” John Mandrola, MD, of Baptists Medical Associates, Louisville, Ky., said in an interview. “It has the same overarching weaknesses [of other studies] that it’s observational and retrospective, but there were also numerical issues. So to me that paper is an interesting observation, but utterly unconvincing and preliminary,” said Dr. Mandrola.

Those limitations didn’t stop the study from garnering media attention, however. The Altmetric score (an attention score that tracks all mentions of an article in the media and on social media) for the Puntmann et al paper is approaching 13,000, including coverage from 276 news outlets and more than 19,000 tweets, putting it in the 99th percentile of all research outputs tracked by Altmetric to date.

To counter this, an “open letter” posted online just days before the Rajpal study published urging professional societies to “offer clear guidance discouraging CMR screening for COVID-19 related heart abnormalities in asymptomatic members of the general public.” The letter was signed by 51 clinicians, researchers, and imaging specialists from around the world.

Dr. Mandrola, one of the signatories, said: “This topic really scares people, and when it gets in the media like this, I think the leaders of these societies need to come out and say something really clear on major news networks letting people know that it’s just way too premature to start doing CMRs on every athlete that’s gotten this virus.”

“I understand that the current guidelines may be clear that CMR is not a first-line test for this indication, but when the media coverage is so extensive and so overblown, I wonder how much impact the guidelines will have in countering this fear that’s in the community,” he added.

Asked to comment on the letter, Dr. Rajpal said he agrees with the signatories that asymptomatic people from general population do not need routine cardiac MRI. “However, competitive athletes are a different story. Testing depends on risk assessment in specific population and competitive athletes as per our protocol will get enhanced cardiac workup including CMR for responsible and safe start of competitive sports. ... In the present scenario, while we get more data including control data, we will continue with our current protocol.”

Dr. Mandrola is Medscape Cardiology’s Chief Cardiology Consultant. MDedge is part of the Medscape Professional Network.

This article first appeared on Medscape.com.

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A new study using cardiac magnetic resonance (CMR) imaging to examine the effects of novel coronavirus infection on the heart showed signs suggestive of myocarditis in 4 out of 26 competitive athletes who recovered from asymptomatic or mild cases of COVID-19.

Sr. Saurabh Rajpal

While these and other similar findings are concerning, commentators are saying the results are preliminary and do not indicate widespread CMR screening is appropriate.

Two of the 4 patients showing signs of myocarditis in this series had no symptoms of COVID-19 but tested positive on routine testing. An additional 12 student athletes (46%) showed late gadolinium enhancement (LGE), of whom 8 (30.8%) had LGE without T2 elevation suggestive of prior myocardial injury.

An additional 12 student athletes (46%) showed late gadolinium enhancement (LGE), of whom 8 (31%) had LGE without T2 elevation suggestive of prior myocardial injury.

This finding, said Saurabh Rajpal, MBBS, MD, the study’s lead author, “could suggest prior myocardial injury or it could suggest athletic myocardial adaptation.”

In a research letter published in JAMA Cardiology, Rajpal and colleagues at Ohio State University in Columbus, described the findings of comprehensive CMR examinations in competitive athletes referred to the sport medicine clinic after testing positive for COVID-19 on reverse transcriptase-polymerase chain reaction between June and August 2020.

The university had made the decision in the spring to use CMR imaging as a screening tool for return to play, said Dr. Rajpal. While CMR is being used for research purposes, the American College of Cardiology’s recent “consensus expert opinion” statement on resumption of sport and exercise after COVID-19 infection does not require CMR imaging for resumption of competitive activity (JAMA Cardiol. 2020 May 13. doi:10.1001/jamacardio.2020.2136).

None of the athletes required hospitalization for their illness, and only 27% reported mild symptoms during the short-term infection, including sore throat, shortness of breath, myalgia, and fever.

On the day of CMR imaging, ECG and transthoracic echocardiography were performed, and serum troponin I was measured. There were no diagnostic ST/T wave changes, ventricular function and volumes were normal, and no athletes showed elevated serum troponin levels.

The updated Lake Louise Criteria were used to assess CMR findings consistent with myocarditis.

“I don’t think this is a COVID-specific issue. We have seen myocarditis after other viral infections; it’s just that COVID-19 is the most studied thus far, and with strenuous activity, inflammation in the heart can be risky,” Dr. Rajpal said in an interview. He added that more long-term and larger studies with control populations are needed.

His group is continuing to follow these athletes and has suggested that CMR “may provide an excellent risk-stratification assessment for myocarditis in athletes who have recovered from COVID-19 to guide safe competitive sports participation.”
 

Significance still unknown

Matthew Martinez, MD, the director of sports cardiology at Atlantic Health – Morristown (N.J.) Medical Center and the Gagnon Cardiovascular Institute, urged caution in making too much of the findings of this small study.

Dr. Matthew Martinez

“We know that viruses cause myocardial damage and myocarditis. What we don’t know is how important these findings are. And in terms of risk, would we find the same phenomenon if we did this, say, in flu patients or in other age groups?” Dr. Martinez said in an interview.

“I haven’t seen all the images, but what I’d want to know is are these very subtle findings? Are these overt findings? Is this part of an active individual with symptoms? I need to know a little more data before I can tell if this influences the increased risk of sudden cardiac death that we often associate with myocarditis. I’m not sure how this should influence making decisions with regards to return to play.”

Dr. Martinez, who is the ACC’s chair of Sports and Exercise but was not an author of their recent guidance on return to sport, said that he is not routinely using CMR to assess athletes post-infection, as per the ACC’s recommendations.

“My approach is to evaluate anybody with a history of COVID infection and, first, determine whether it was an important infection with significant symptoms or not. And then, if they’re participating at a high level or are professional athletes, I would suggest an ECG, echo, and troponin. That’s our recommendation for the last several months and is still an appropriate way to evaluate that group.”

“In the presence of an abnormality or ongoing symptoms, I would ask for an MRI at that point,” said Dr. Martinez.

“We just don’t have much data on athletes with no symptoms to use to interpret these CMR findings and the study didn’t offer any controls. We don’t even know if these findings are new findings or old findings that have just been identified now,” he added.

New, updated recommendations from the ACC are coming soon, said Dr. Martinez. “I do not expect them to include CMR as first line.”
 

Cardiologists concerned about misinformation

This is at least the fourth study showing myocardial damage post-COVID-19 infection and there is concern in the medical community that the media has overstated the risks of heart damage, especially in athletes, and at the same time overstated the benefits of CMR.

In particular, Puntmann et al reported in July a 100-patient study that showed evidence of myocardial inflammation by CMR in 78% of patients recently recovered from a bout of COVID-19 (JAMA Cardiol. 2020 Jul 27; doi:10.1001/jamacardio.2020.3557).

Dr. John Mandrola

“That paper is completely problematic,” John Mandrola, MD, of Baptists Medical Associates, Louisville, Ky., said in an interview. “It has the same overarching weaknesses [of other studies] that it’s observational and retrospective, but there were also numerical issues. So to me that paper is an interesting observation, but utterly unconvincing and preliminary,” said Dr. Mandrola.

Those limitations didn’t stop the study from garnering media attention, however. The Altmetric score (an attention score that tracks all mentions of an article in the media and on social media) for the Puntmann et al paper is approaching 13,000, including coverage from 276 news outlets and more than 19,000 tweets, putting it in the 99th percentile of all research outputs tracked by Altmetric to date.

To counter this, an “open letter” posted online just days before the Rajpal study published urging professional societies to “offer clear guidance discouraging CMR screening for COVID-19 related heart abnormalities in asymptomatic members of the general public.” The letter was signed by 51 clinicians, researchers, and imaging specialists from around the world.

Dr. Mandrola, one of the signatories, said: “This topic really scares people, and when it gets in the media like this, I think the leaders of these societies need to come out and say something really clear on major news networks letting people know that it’s just way too premature to start doing CMRs on every athlete that’s gotten this virus.”

“I understand that the current guidelines may be clear that CMR is not a first-line test for this indication, but when the media coverage is so extensive and so overblown, I wonder how much impact the guidelines will have in countering this fear that’s in the community,” he added.

Asked to comment on the letter, Dr. Rajpal said he agrees with the signatories that asymptomatic people from general population do not need routine cardiac MRI. “However, competitive athletes are a different story. Testing depends on risk assessment in specific population and competitive athletes as per our protocol will get enhanced cardiac workup including CMR for responsible and safe start of competitive sports. ... In the present scenario, while we get more data including control data, we will continue with our current protocol.”

Dr. Mandrola is Medscape Cardiology’s Chief Cardiology Consultant. MDedge is part of the Medscape Professional Network.

This article first appeared on Medscape.com.

A new study using cardiac magnetic resonance (CMR) imaging to examine the effects of novel coronavirus infection on the heart showed signs suggestive of myocarditis in 4 out of 26 competitive athletes who recovered from asymptomatic or mild cases of COVID-19.

Sr. Saurabh Rajpal

While these and other similar findings are concerning, commentators are saying the results are preliminary and do not indicate widespread CMR screening is appropriate.

Two of the 4 patients showing signs of myocarditis in this series had no symptoms of COVID-19 but tested positive on routine testing. An additional 12 student athletes (46%) showed late gadolinium enhancement (LGE), of whom 8 (30.8%) had LGE without T2 elevation suggestive of prior myocardial injury.

An additional 12 student athletes (46%) showed late gadolinium enhancement (LGE), of whom 8 (31%) had LGE without T2 elevation suggestive of prior myocardial injury.

This finding, said Saurabh Rajpal, MBBS, MD, the study’s lead author, “could suggest prior myocardial injury or it could suggest athletic myocardial adaptation.”

In a research letter published in JAMA Cardiology, Rajpal and colleagues at Ohio State University in Columbus, described the findings of comprehensive CMR examinations in competitive athletes referred to the sport medicine clinic after testing positive for COVID-19 on reverse transcriptase-polymerase chain reaction between June and August 2020.

The university had made the decision in the spring to use CMR imaging as a screening tool for return to play, said Dr. Rajpal. While CMR is being used for research purposes, the American College of Cardiology’s recent “consensus expert opinion” statement on resumption of sport and exercise after COVID-19 infection does not require CMR imaging for resumption of competitive activity (JAMA Cardiol. 2020 May 13. doi:10.1001/jamacardio.2020.2136).

None of the athletes required hospitalization for their illness, and only 27% reported mild symptoms during the short-term infection, including sore throat, shortness of breath, myalgia, and fever.

On the day of CMR imaging, ECG and transthoracic echocardiography were performed, and serum troponin I was measured. There were no diagnostic ST/T wave changes, ventricular function and volumes were normal, and no athletes showed elevated serum troponin levels.

The updated Lake Louise Criteria were used to assess CMR findings consistent with myocarditis.

“I don’t think this is a COVID-specific issue. We have seen myocarditis after other viral infections; it’s just that COVID-19 is the most studied thus far, and with strenuous activity, inflammation in the heart can be risky,” Dr. Rajpal said in an interview. He added that more long-term and larger studies with control populations are needed.

His group is continuing to follow these athletes and has suggested that CMR “may provide an excellent risk-stratification assessment for myocarditis in athletes who have recovered from COVID-19 to guide safe competitive sports participation.”
 

Significance still unknown

Matthew Martinez, MD, the director of sports cardiology at Atlantic Health – Morristown (N.J.) Medical Center and the Gagnon Cardiovascular Institute, urged caution in making too much of the findings of this small study.

Dr. Matthew Martinez

“We know that viruses cause myocardial damage and myocarditis. What we don’t know is how important these findings are. And in terms of risk, would we find the same phenomenon if we did this, say, in flu patients or in other age groups?” Dr. Martinez said in an interview.

“I haven’t seen all the images, but what I’d want to know is are these very subtle findings? Are these overt findings? Is this part of an active individual with symptoms? I need to know a little more data before I can tell if this influences the increased risk of sudden cardiac death that we often associate with myocarditis. I’m not sure how this should influence making decisions with regards to return to play.”

Dr. Martinez, who is the ACC’s chair of Sports and Exercise but was not an author of their recent guidance on return to sport, said that he is not routinely using CMR to assess athletes post-infection, as per the ACC’s recommendations.

“My approach is to evaluate anybody with a history of COVID infection and, first, determine whether it was an important infection with significant symptoms or not. And then, if they’re participating at a high level or are professional athletes, I would suggest an ECG, echo, and troponin. That’s our recommendation for the last several months and is still an appropriate way to evaluate that group.”

“In the presence of an abnormality or ongoing symptoms, I would ask for an MRI at that point,” said Dr. Martinez.

“We just don’t have much data on athletes with no symptoms to use to interpret these CMR findings and the study didn’t offer any controls. We don’t even know if these findings are new findings or old findings that have just been identified now,” he added.

New, updated recommendations from the ACC are coming soon, said Dr. Martinez. “I do not expect them to include CMR as first line.”
 

Cardiologists concerned about misinformation

This is at least the fourth study showing myocardial damage post-COVID-19 infection and there is concern in the medical community that the media has overstated the risks of heart damage, especially in athletes, and at the same time overstated the benefits of CMR.

In particular, Puntmann et al reported in July a 100-patient study that showed evidence of myocardial inflammation by CMR in 78% of patients recently recovered from a bout of COVID-19 (JAMA Cardiol. 2020 Jul 27; doi:10.1001/jamacardio.2020.3557).

Dr. John Mandrola

“That paper is completely problematic,” John Mandrola, MD, of Baptists Medical Associates, Louisville, Ky., said in an interview. “It has the same overarching weaknesses [of other studies] that it’s observational and retrospective, but there were also numerical issues. So to me that paper is an interesting observation, but utterly unconvincing and preliminary,” said Dr. Mandrola.

Those limitations didn’t stop the study from garnering media attention, however. The Altmetric score (an attention score that tracks all mentions of an article in the media and on social media) for the Puntmann et al paper is approaching 13,000, including coverage from 276 news outlets and more than 19,000 tweets, putting it in the 99th percentile of all research outputs tracked by Altmetric to date.

To counter this, an “open letter” posted online just days before the Rajpal study published urging professional societies to “offer clear guidance discouraging CMR screening for COVID-19 related heart abnormalities in asymptomatic members of the general public.” The letter was signed by 51 clinicians, researchers, and imaging specialists from around the world.

Dr. Mandrola, one of the signatories, said: “This topic really scares people, and when it gets in the media like this, I think the leaders of these societies need to come out and say something really clear on major news networks letting people know that it’s just way too premature to start doing CMRs on every athlete that’s gotten this virus.”

“I understand that the current guidelines may be clear that CMR is not a first-line test for this indication, but when the media coverage is so extensive and so overblown, I wonder how much impact the guidelines will have in countering this fear that’s in the community,” he added.

Asked to comment on the letter, Dr. Rajpal said he agrees with the signatories that asymptomatic people from general population do not need routine cardiac MRI. “However, competitive athletes are a different story. Testing depends on risk assessment in specific population and competitive athletes as per our protocol will get enhanced cardiac workup including CMR for responsible and safe start of competitive sports. ... In the present scenario, while we get more data including control data, we will continue with our current protocol.”

Dr. Mandrola is Medscape Cardiology’s Chief Cardiology Consultant. MDedge is part of the Medscape Professional Network.

This article first appeared on Medscape.com.

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Liberalized European sports cardiology guidelines break new ground

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New guidelines on sports cardiology from the European Society of Cardiology break fresh ground by green-lighting participation in vigorous competitive sports by selected patients with stable coronary artery disease, heart failure, or mild arrhythmias.

Dr. Antonio Pelliccia

These liberalized guidelines, released at the virtual annual congress of the European Society of Cardiology, thus move well beyond the standard exercise advice to engage in about 150 minutes per week of moderate physical activity, typically defined as brisk walking or its equivalent.

The guidelines reflect a conviction that exercise is powerful medicine for patients with cardiovascular disease and also affords a means to help curb the epidemics of diabetes and obesity that drive cardiovascular risk, according to Antonio Pelliccia, MD, who cochaired the 24-member task force of European and American experts that developed the guidelines.

In a session highlighting the new sports cardiology guidelines, Mats Borjesson, MD, head of the Center for Health and Performance at Gothenburg (Sweden) University, summarized the section devoted to patients with stable coronary artery disease: “If you have established CAD and a low risk of adverse events during exercise, you are eligible for high-intensity exercise and competitive sports. But if you have persistent ischemia despite medical treatment, or symptoms, then you’re only eligible for leisure-time subthreshold activity.”

Dr. Pelliccia put this new recommendation into context.

“We are not talking anymore in this particular disease just about cardiac rehabilitation or leisure-time activity, but we are also opening the border and talking about competitive sports activity in selected patients where you have the evidence for low risk of exercise-induced adverse events. This is a major achievement now for what is the major disease in our adult population,” said Dr. Pelliccia, chief of cardiology at the Institute of Sports Medicine and Science at the Italian National Olympic Committee and professor of sports cardiology at La Sapienza University of Rome.

The recommendation for individualized consideration of all types of exercise, even including vigorous competitive sports, in low-risk patients with CAD gets a class IIa, level of evidence (LOE) C recommendation in the new guidelines. That’s a big step down from a ringing class Ia endorsement, but since sports cardiology is a relatively young field with little evidence that’s based on randomized trials, the guidelines are rife with many other class IIa, LOE C recommendations as well.

“The level of evidence is rather low, so these guidelines are very much the personal perspective of the expert panel,” explained Martin Halle, MD, professor and head of the department of prevention, rehabilitation, and sports cardiology at Technical University of Munich.

The high-risk features for exercise-induced cardiac adverse events in patients with longstanding stable CAD, as cited in the guidelines, include a critical coronary stenosis, defined as a more than 70% lesion in a major coronary artery or a greater than 50% stenosis in the left main, and/or a fractional flow reserve score of less than 0.8; a left ventricular ejection fraction of 50% or less with wall-motion abnormalities; inducible myocardial ischemia on maximal exercise testing; nonsustained ventricular tachycardia; polymorphic or very frequent ventricular premature beats at rest and during maximum stress; and a recent acute coronary syndrome (ACS). These features call for an exercise prescription tailored to remain below the patient’s angina and ischemia thresholds.

“It’s important for cardiologists out there to understand that we definitely need a maximal exercise test. In somebody who is running and has an ACS and then wants to start running again, 200 watts on an ergometer is too low. We have to push them up to the end, and then if everything is okay – left ventricular function is okay, no ischemia, no arrhythmias under exercise testing – then it’s fine,” Dr. Halle said.

Dr. Pelliccia added that close follow-up is needed, because this is an evolving disease.”
 

 

 

Exercise and heart failure

Massimo F. Piepoli, MD, PhD, noted that the guidelines give a class IIb, LOE C recommendation for consideration of high-intensity recreational endurance and power sports in patients with heart failure with either midrange or preserved ejection fraction, provided they are stable, asymptomatic, on optimal guideline-directed medical therapy, and without abnormalities on a maximal exercise stress test.

European Society of Cardiology
Dr. Massimo Piepoli

However, such intense physical activity is not recommended in patients with heart failure with reduced ejection fraction, regardless of their symptom status, added Dr. Piepoli of Guglielmo da Saliceto Hospital in Placenza, Italy.

“We’re talking here, I think for the first time, about possible competitive sports participation in individuals with heart failure, depending on their clinical condition. We are really opening the barriers to sports participation, even in these patients in whom we never thought of it before,” Dr. Pelliccia observed.

Valvular heart disease and exercise

Guidelines panelist Sabiha Gati, MRCP, PhD, said asymptomatic individuals with mild valvular abnormalities can participate in all recreational and competitive sports; that’s a class I, LOE C recommendation.

European Society of Cardiology
Dr. Sabiha Gati

“Moderate regurgitant lesions are better tolerated than stenotic lesions, and those with preserved systolic function, good functional capacity, without any exercise-induced arrhythmias or ischemia or abnormal hemodynamic response are considered to be low risk and can participate in all sports,” added Dr. Gati, a cardiologist at Royal Brompton Hospital, London.

The two most common valvular abnormalities encountered in clinical practice are bicuspid aortic valve and mitral valve prolapse. Dr. Gati noted that, while mitral valve prolapse has a benign prognosis in the great majority of affected individuals, the presence of specific features indicative of increased risk for sudden cardiac death precludes participation in strenuous exercise. These include T-wave inversion in the inferior leads on a 12-lead ECG, long QT, bileaflet mitral valve prolapse, basal inferolateral wall fibrosis, severe mitral regurgitation, or a family history of sudden cardiac death.

Bicuspid aortic valve has a prevalence of 1%-2% in the general population. It can be associated with aortic stenosis, aortic regurgitation, and increased risk of ascending aortic aneurysm and dissection. Since it remains unclear whether intensive exercise accelerates aortic dilatation, a cautious approach to sports participation is recommended in patients with an ascending aorta above the normal limit of 40 mm, she said.

The 80-page ESC sports cardiology guidelines, published online simultaneously with their presentation, cover a broad range of additional topics, including exercise recommendations for the general public, for the elderly, as well as for patients with cardiomyopathies, adult congenital heart disease, arrhythmias, and channelopathies. Gaps in evidence are also highlighted.

SOURCE: Pelliccia A. ESC 2020 and Eur Heart J. 2020 Aug 29. doi: 10.1093/eurheartj/ehaa605.

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New guidelines on sports cardiology from the European Society of Cardiology break fresh ground by green-lighting participation in vigorous competitive sports by selected patients with stable coronary artery disease, heart failure, or mild arrhythmias.

Dr. Antonio Pelliccia

These liberalized guidelines, released at the virtual annual congress of the European Society of Cardiology, thus move well beyond the standard exercise advice to engage in about 150 minutes per week of moderate physical activity, typically defined as brisk walking or its equivalent.

The guidelines reflect a conviction that exercise is powerful medicine for patients with cardiovascular disease and also affords a means to help curb the epidemics of diabetes and obesity that drive cardiovascular risk, according to Antonio Pelliccia, MD, who cochaired the 24-member task force of European and American experts that developed the guidelines.

In a session highlighting the new sports cardiology guidelines, Mats Borjesson, MD, head of the Center for Health and Performance at Gothenburg (Sweden) University, summarized the section devoted to patients with stable coronary artery disease: “If you have established CAD and a low risk of adverse events during exercise, you are eligible for high-intensity exercise and competitive sports. But if you have persistent ischemia despite medical treatment, or symptoms, then you’re only eligible for leisure-time subthreshold activity.”

Dr. Pelliccia put this new recommendation into context.

“We are not talking anymore in this particular disease just about cardiac rehabilitation or leisure-time activity, but we are also opening the border and talking about competitive sports activity in selected patients where you have the evidence for low risk of exercise-induced adverse events. This is a major achievement now for what is the major disease in our adult population,” said Dr. Pelliccia, chief of cardiology at the Institute of Sports Medicine and Science at the Italian National Olympic Committee and professor of sports cardiology at La Sapienza University of Rome.

The recommendation for individualized consideration of all types of exercise, even including vigorous competitive sports, in low-risk patients with CAD gets a class IIa, level of evidence (LOE) C recommendation in the new guidelines. That’s a big step down from a ringing class Ia endorsement, but since sports cardiology is a relatively young field with little evidence that’s based on randomized trials, the guidelines are rife with many other class IIa, LOE C recommendations as well.

“The level of evidence is rather low, so these guidelines are very much the personal perspective of the expert panel,” explained Martin Halle, MD, professor and head of the department of prevention, rehabilitation, and sports cardiology at Technical University of Munich.

The high-risk features for exercise-induced cardiac adverse events in patients with longstanding stable CAD, as cited in the guidelines, include a critical coronary stenosis, defined as a more than 70% lesion in a major coronary artery or a greater than 50% stenosis in the left main, and/or a fractional flow reserve score of less than 0.8; a left ventricular ejection fraction of 50% or less with wall-motion abnormalities; inducible myocardial ischemia on maximal exercise testing; nonsustained ventricular tachycardia; polymorphic or very frequent ventricular premature beats at rest and during maximum stress; and a recent acute coronary syndrome (ACS). These features call for an exercise prescription tailored to remain below the patient’s angina and ischemia thresholds.

“It’s important for cardiologists out there to understand that we definitely need a maximal exercise test. In somebody who is running and has an ACS and then wants to start running again, 200 watts on an ergometer is too low. We have to push them up to the end, and then if everything is okay – left ventricular function is okay, no ischemia, no arrhythmias under exercise testing – then it’s fine,” Dr. Halle said.

Dr. Pelliccia added that close follow-up is needed, because this is an evolving disease.”
 

 

 

Exercise and heart failure

Massimo F. Piepoli, MD, PhD, noted that the guidelines give a class IIb, LOE C recommendation for consideration of high-intensity recreational endurance and power sports in patients with heart failure with either midrange or preserved ejection fraction, provided they are stable, asymptomatic, on optimal guideline-directed medical therapy, and without abnormalities on a maximal exercise stress test.

European Society of Cardiology
Dr. Massimo Piepoli

However, such intense physical activity is not recommended in patients with heart failure with reduced ejection fraction, regardless of their symptom status, added Dr. Piepoli of Guglielmo da Saliceto Hospital in Placenza, Italy.

“We’re talking here, I think for the first time, about possible competitive sports participation in individuals with heart failure, depending on their clinical condition. We are really opening the barriers to sports participation, even in these patients in whom we never thought of it before,” Dr. Pelliccia observed.

Valvular heart disease and exercise

Guidelines panelist Sabiha Gati, MRCP, PhD, said asymptomatic individuals with mild valvular abnormalities can participate in all recreational and competitive sports; that’s a class I, LOE C recommendation.

European Society of Cardiology
Dr. Sabiha Gati

“Moderate regurgitant lesions are better tolerated than stenotic lesions, and those with preserved systolic function, good functional capacity, without any exercise-induced arrhythmias or ischemia or abnormal hemodynamic response are considered to be low risk and can participate in all sports,” added Dr. Gati, a cardiologist at Royal Brompton Hospital, London.

The two most common valvular abnormalities encountered in clinical practice are bicuspid aortic valve and mitral valve prolapse. Dr. Gati noted that, while mitral valve prolapse has a benign prognosis in the great majority of affected individuals, the presence of specific features indicative of increased risk for sudden cardiac death precludes participation in strenuous exercise. These include T-wave inversion in the inferior leads on a 12-lead ECG, long QT, bileaflet mitral valve prolapse, basal inferolateral wall fibrosis, severe mitral regurgitation, or a family history of sudden cardiac death.

Bicuspid aortic valve has a prevalence of 1%-2% in the general population. It can be associated with aortic stenosis, aortic regurgitation, and increased risk of ascending aortic aneurysm and dissection. Since it remains unclear whether intensive exercise accelerates aortic dilatation, a cautious approach to sports participation is recommended in patients with an ascending aorta above the normal limit of 40 mm, she said.

The 80-page ESC sports cardiology guidelines, published online simultaneously with their presentation, cover a broad range of additional topics, including exercise recommendations for the general public, for the elderly, as well as for patients with cardiomyopathies, adult congenital heart disease, arrhythmias, and channelopathies. Gaps in evidence are also highlighted.

SOURCE: Pelliccia A. ESC 2020 and Eur Heart J. 2020 Aug 29. doi: 10.1093/eurheartj/ehaa605.

New guidelines on sports cardiology from the European Society of Cardiology break fresh ground by green-lighting participation in vigorous competitive sports by selected patients with stable coronary artery disease, heart failure, or mild arrhythmias.

Dr. Antonio Pelliccia

These liberalized guidelines, released at the virtual annual congress of the European Society of Cardiology, thus move well beyond the standard exercise advice to engage in about 150 minutes per week of moderate physical activity, typically defined as brisk walking or its equivalent.

The guidelines reflect a conviction that exercise is powerful medicine for patients with cardiovascular disease and also affords a means to help curb the epidemics of diabetes and obesity that drive cardiovascular risk, according to Antonio Pelliccia, MD, who cochaired the 24-member task force of European and American experts that developed the guidelines.

In a session highlighting the new sports cardiology guidelines, Mats Borjesson, MD, head of the Center for Health and Performance at Gothenburg (Sweden) University, summarized the section devoted to patients with stable coronary artery disease: “If you have established CAD and a low risk of adverse events during exercise, you are eligible for high-intensity exercise and competitive sports. But if you have persistent ischemia despite medical treatment, or symptoms, then you’re only eligible for leisure-time subthreshold activity.”

Dr. Pelliccia put this new recommendation into context.

“We are not talking anymore in this particular disease just about cardiac rehabilitation or leisure-time activity, but we are also opening the border and talking about competitive sports activity in selected patients where you have the evidence for low risk of exercise-induced adverse events. This is a major achievement now for what is the major disease in our adult population,” said Dr. Pelliccia, chief of cardiology at the Institute of Sports Medicine and Science at the Italian National Olympic Committee and professor of sports cardiology at La Sapienza University of Rome.

The recommendation for individualized consideration of all types of exercise, even including vigorous competitive sports, in low-risk patients with CAD gets a class IIa, level of evidence (LOE) C recommendation in the new guidelines. That’s a big step down from a ringing class Ia endorsement, but since sports cardiology is a relatively young field with little evidence that’s based on randomized trials, the guidelines are rife with many other class IIa, LOE C recommendations as well.

“The level of evidence is rather low, so these guidelines are very much the personal perspective of the expert panel,” explained Martin Halle, MD, professor and head of the department of prevention, rehabilitation, and sports cardiology at Technical University of Munich.

The high-risk features for exercise-induced cardiac adverse events in patients with longstanding stable CAD, as cited in the guidelines, include a critical coronary stenosis, defined as a more than 70% lesion in a major coronary artery or a greater than 50% stenosis in the left main, and/or a fractional flow reserve score of less than 0.8; a left ventricular ejection fraction of 50% or less with wall-motion abnormalities; inducible myocardial ischemia on maximal exercise testing; nonsustained ventricular tachycardia; polymorphic or very frequent ventricular premature beats at rest and during maximum stress; and a recent acute coronary syndrome (ACS). These features call for an exercise prescription tailored to remain below the patient’s angina and ischemia thresholds.

“It’s important for cardiologists out there to understand that we definitely need a maximal exercise test. In somebody who is running and has an ACS and then wants to start running again, 200 watts on an ergometer is too low. We have to push them up to the end, and then if everything is okay – left ventricular function is okay, no ischemia, no arrhythmias under exercise testing – then it’s fine,” Dr. Halle said.

Dr. Pelliccia added that close follow-up is needed, because this is an evolving disease.”
 

 

 

Exercise and heart failure

Massimo F. Piepoli, MD, PhD, noted that the guidelines give a class IIb, LOE C recommendation for consideration of high-intensity recreational endurance and power sports in patients with heart failure with either midrange or preserved ejection fraction, provided they are stable, asymptomatic, on optimal guideline-directed medical therapy, and without abnormalities on a maximal exercise stress test.

European Society of Cardiology
Dr. Massimo Piepoli

However, such intense physical activity is not recommended in patients with heart failure with reduced ejection fraction, regardless of their symptom status, added Dr. Piepoli of Guglielmo da Saliceto Hospital in Placenza, Italy.

“We’re talking here, I think for the first time, about possible competitive sports participation in individuals with heart failure, depending on their clinical condition. We are really opening the barriers to sports participation, even in these patients in whom we never thought of it before,” Dr. Pelliccia observed.

Valvular heart disease and exercise

Guidelines panelist Sabiha Gati, MRCP, PhD, said asymptomatic individuals with mild valvular abnormalities can participate in all recreational and competitive sports; that’s a class I, LOE C recommendation.

European Society of Cardiology
Dr. Sabiha Gati

“Moderate regurgitant lesions are better tolerated than stenotic lesions, and those with preserved systolic function, good functional capacity, without any exercise-induced arrhythmias or ischemia or abnormal hemodynamic response are considered to be low risk and can participate in all sports,” added Dr. Gati, a cardiologist at Royal Brompton Hospital, London.

The two most common valvular abnormalities encountered in clinical practice are bicuspid aortic valve and mitral valve prolapse. Dr. Gati noted that, while mitral valve prolapse has a benign prognosis in the great majority of affected individuals, the presence of specific features indicative of increased risk for sudden cardiac death precludes participation in strenuous exercise. These include T-wave inversion in the inferior leads on a 12-lead ECG, long QT, bileaflet mitral valve prolapse, basal inferolateral wall fibrosis, severe mitral regurgitation, or a family history of sudden cardiac death.

Bicuspid aortic valve has a prevalence of 1%-2% in the general population. It can be associated with aortic stenosis, aortic regurgitation, and increased risk of ascending aortic aneurysm and dissection. Since it remains unclear whether intensive exercise accelerates aortic dilatation, a cautious approach to sports participation is recommended in patients with an ascending aorta above the normal limit of 40 mm, she said.

The 80-page ESC sports cardiology guidelines, published online simultaneously with their presentation, cover a broad range of additional topics, including exercise recommendations for the general public, for the elderly, as well as for patients with cardiomyopathies, adult congenital heart disease, arrhythmias, and channelopathies. Gaps in evidence are also highlighted.

SOURCE: Pelliccia A. ESC 2020 and Eur Heart J. 2020 Aug 29. doi: 10.1093/eurheartj/ehaa605.

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MIS-C cardiac evaluation requires more than EF

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Patients with multisystem inflammatory syndrome caused by COVID-19 typically seem to avoid coronary artery dilation early on, but they may be prone to cardiac injury and dysfunction longer term that requires a more discerning diagnostic approach to sort out.

Dr. Daisuke Matsubara

The findings were revealed in a study of 28 children with COVID-19–related multisystem inflammatory syndrome (MIS-C) at Children’s Hospital of Philadelphia. The study reported that cardiac injury and dysfunction are common in these patients – even those who have preserved ejection fraction – and that diastolic dysfunction is persistent. For comparison, the study also included 20 healthy controls and 20 patients with classic Kawasaki disease (KD).

The study analyzed echocardiography findings in the patients, reporting left ventricular (LV) systolic and diastolic function were worse than in classic Kawasaki disease (KD), which MIS-C mimics. Lead author Daisuke Matsubara, MD, PhD, and colleagues reported that four markers – LV global longitudinal strain, LV circumferential strain rate, right ventricular strain, and left atrial strain – were the strongest predictors of myocardial injury in these patients. After the acute phase, systolic function tended to recover, but diastolic dysfunction persisted.
 

‘Strain’ measurement boosts accuracy

While echocardiography has been reported to be valuable in evaluating coronary artery function in MIS-C patients, Dr. Matsubara of the division of cardiology at CHOP, said in an interview that study is the first to use the newer echocardiography indexes, known as “strain,” to assess heart function.

“Strain is a more sensitive tool than more conventional indexes and can detect subtle decrease in heart function, even when ejection fraction is preserved,” he said. “Numerous publications have reached conclusions that strain improves the prognostic and diagnostic accuracy of echocardiography in a wide variety of cardiac pathologies causing LV dysfunction.”

Dr. Matsubara noted that the coronary arteries were mostly unaffected in the acute stage of MIS-C, as only one patient in their MIS-C cohort had coronary artery involvement, which normalized during early follow-up. “On the other hand, 20% of our classic KD patients had coronary abnormalities, including two with aneurysms.”

By using positive troponin I or elevated brain natriuretic peptide (BNP) to assess cardiac injury, they found a “high” (60%) incidence of myocardial injury in their MIS-C cohort. During early follow-up, most of the MIS-C patients showed normalization of systolic function, although diastolic dysfunction persisted.

When compared with the classic KD group, MIS-C patients had higher rates of mitral regurgitation (46% vs. 15%, P = .06), more pericardial effusion (32% vs. 15%, P = 0.46), and more pleural effusion (39% vs. 0%, P = .004). MIS-C patients with suspected myocardial injury show these findings more frequently than those with actual myocardial injury.



Compared with the healthy controls, the MIS-C patients showed both LV systolic and diastolic dysfunction as well as significantly lower left atrium (LA) strain and peak right ventricle (RV) free-wall longitudinal strain.

“In addition to the left ventricle, two other chambers of the heart, the LA and the RV that are often labeled as the ‘forgotten chambers’ of the heart, were also affected by MIS-C,” Dr. Matsubara said. “Both LA and RV strains were markedly reduced in MIS-C patients, compared to normal and KD patients.”

The study also indicates that elevated troponin I levels may not be as dire in children as they are in adults. Dr. Matsubara cited a study of more than 2,700 adult COVID-19 patients that found that even mild increases in troponin I level were associated with increased death during hospitalization (J Am Coll Cardiol. 2020;76:533-46).

However, most of the patients in the CHOP study, even those with elevated troponin I levels, recovered systolic function quickly. “We speculate that the elevation in cardiac troponins may have less dire implications in children, likely due to a more transient type of cardiac injury and less comorbidities in children,” he said. “Clearly further studies are needed before a definitive statement can be made.”

Dr. Matsubara added that recovered COVID-19 patients may be able to participate in sports as some schools reopen. “We are not saying restrict sport participation, but we are merely urging caution.”

 

 

Comprehensive LV evaluation needed

The findings reinforce that myocardial involvement is more frequent and sometimes more severe in MIS-C than previously thought, said Kevin G. Friedman, MD, a pediatrician at Harvard Medical School, Boston, and an attending physician in the department of cardiology at Boston Children’s Hospital. “We are underestimating it by using just traditional measures like ejection fraction. It requires a comprehensive evaluation of left ventricular function; it really affects all aspects of the ventricle, both the systolic function and the diastolic function.”

Dr. Kevin G. Friedman

This study supports that MIS-C patients should have a more detailed analysis than EF on echocardiography, including strain imaging. “Probably these patients should all be followed at centers where they can evaluate a more detailed analysis of the LV and RV function,” he said. Patients with ongoing CA enlargement and LV dysfunction should have follow-up cardiac care indefinitely. Patients who have no cardiac symptoms during the acute phase probably don’t need long-term follow-up.

“We’re just trying to learn more about this disease, and it’s certainly concerning that so many kids are having cardiac involvement,” Dr. Friedman said. “Fortunately they’re getting better; we’re just trying to find out what this means for the long term.”

Dr. Matsubara and Dr. Friedman have no relevant financial disclosures.

SOURCE: Matsubara D et al. J Am Coll Cardiol. 2020 Sep 2. doi: 10.1016/j.jacc.2020.08.056.

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Patients with multisystem inflammatory syndrome caused by COVID-19 typically seem to avoid coronary artery dilation early on, but they may be prone to cardiac injury and dysfunction longer term that requires a more discerning diagnostic approach to sort out.

Dr. Daisuke Matsubara

The findings were revealed in a study of 28 children with COVID-19–related multisystem inflammatory syndrome (MIS-C) at Children’s Hospital of Philadelphia. The study reported that cardiac injury and dysfunction are common in these patients – even those who have preserved ejection fraction – and that diastolic dysfunction is persistent. For comparison, the study also included 20 healthy controls and 20 patients with classic Kawasaki disease (KD).

The study analyzed echocardiography findings in the patients, reporting left ventricular (LV) systolic and diastolic function were worse than in classic Kawasaki disease (KD), which MIS-C mimics. Lead author Daisuke Matsubara, MD, PhD, and colleagues reported that four markers – LV global longitudinal strain, LV circumferential strain rate, right ventricular strain, and left atrial strain – were the strongest predictors of myocardial injury in these patients. After the acute phase, systolic function tended to recover, but diastolic dysfunction persisted.
 

‘Strain’ measurement boosts accuracy

While echocardiography has been reported to be valuable in evaluating coronary artery function in MIS-C patients, Dr. Matsubara of the division of cardiology at CHOP, said in an interview that study is the first to use the newer echocardiography indexes, known as “strain,” to assess heart function.

“Strain is a more sensitive tool than more conventional indexes and can detect subtle decrease in heart function, even when ejection fraction is preserved,” he said. “Numerous publications have reached conclusions that strain improves the prognostic and diagnostic accuracy of echocardiography in a wide variety of cardiac pathologies causing LV dysfunction.”

Dr. Matsubara noted that the coronary arteries were mostly unaffected in the acute stage of MIS-C, as only one patient in their MIS-C cohort had coronary artery involvement, which normalized during early follow-up. “On the other hand, 20% of our classic KD patients had coronary abnormalities, including two with aneurysms.”

By using positive troponin I or elevated brain natriuretic peptide (BNP) to assess cardiac injury, they found a “high” (60%) incidence of myocardial injury in their MIS-C cohort. During early follow-up, most of the MIS-C patients showed normalization of systolic function, although diastolic dysfunction persisted.

When compared with the classic KD group, MIS-C patients had higher rates of mitral regurgitation (46% vs. 15%, P = .06), more pericardial effusion (32% vs. 15%, P = 0.46), and more pleural effusion (39% vs. 0%, P = .004). MIS-C patients with suspected myocardial injury show these findings more frequently than those with actual myocardial injury.



Compared with the healthy controls, the MIS-C patients showed both LV systolic and diastolic dysfunction as well as significantly lower left atrium (LA) strain and peak right ventricle (RV) free-wall longitudinal strain.

“In addition to the left ventricle, two other chambers of the heart, the LA and the RV that are often labeled as the ‘forgotten chambers’ of the heart, were also affected by MIS-C,” Dr. Matsubara said. “Both LA and RV strains were markedly reduced in MIS-C patients, compared to normal and KD patients.”

The study also indicates that elevated troponin I levels may not be as dire in children as they are in adults. Dr. Matsubara cited a study of more than 2,700 adult COVID-19 patients that found that even mild increases in troponin I level were associated with increased death during hospitalization (J Am Coll Cardiol. 2020;76:533-46).

However, most of the patients in the CHOP study, even those with elevated troponin I levels, recovered systolic function quickly. “We speculate that the elevation in cardiac troponins may have less dire implications in children, likely due to a more transient type of cardiac injury and less comorbidities in children,” he said. “Clearly further studies are needed before a definitive statement can be made.”

Dr. Matsubara added that recovered COVID-19 patients may be able to participate in sports as some schools reopen. “We are not saying restrict sport participation, but we are merely urging caution.”

 

 

Comprehensive LV evaluation needed

The findings reinforce that myocardial involvement is more frequent and sometimes more severe in MIS-C than previously thought, said Kevin G. Friedman, MD, a pediatrician at Harvard Medical School, Boston, and an attending physician in the department of cardiology at Boston Children’s Hospital. “We are underestimating it by using just traditional measures like ejection fraction. It requires a comprehensive evaluation of left ventricular function; it really affects all aspects of the ventricle, both the systolic function and the diastolic function.”

Dr. Kevin G. Friedman

This study supports that MIS-C patients should have a more detailed analysis than EF on echocardiography, including strain imaging. “Probably these patients should all be followed at centers where they can evaluate a more detailed analysis of the LV and RV function,” he said. Patients with ongoing CA enlargement and LV dysfunction should have follow-up cardiac care indefinitely. Patients who have no cardiac symptoms during the acute phase probably don’t need long-term follow-up.

“We’re just trying to learn more about this disease, and it’s certainly concerning that so many kids are having cardiac involvement,” Dr. Friedman said. “Fortunately they’re getting better; we’re just trying to find out what this means for the long term.”

Dr. Matsubara and Dr. Friedman have no relevant financial disclosures.

SOURCE: Matsubara D et al. J Am Coll Cardiol. 2020 Sep 2. doi: 10.1016/j.jacc.2020.08.056.

Patients with multisystem inflammatory syndrome caused by COVID-19 typically seem to avoid coronary artery dilation early on, but they may be prone to cardiac injury and dysfunction longer term that requires a more discerning diagnostic approach to sort out.

Dr. Daisuke Matsubara

The findings were revealed in a study of 28 children with COVID-19–related multisystem inflammatory syndrome (MIS-C) at Children’s Hospital of Philadelphia. The study reported that cardiac injury and dysfunction are common in these patients – even those who have preserved ejection fraction – and that diastolic dysfunction is persistent. For comparison, the study also included 20 healthy controls and 20 patients with classic Kawasaki disease (KD).

The study analyzed echocardiography findings in the patients, reporting left ventricular (LV) systolic and diastolic function were worse than in classic Kawasaki disease (KD), which MIS-C mimics. Lead author Daisuke Matsubara, MD, PhD, and colleagues reported that four markers – LV global longitudinal strain, LV circumferential strain rate, right ventricular strain, and left atrial strain – were the strongest predictors of myocardial injury in these patients. After the acute phase, systolic function tended to recover, but diastolic dysfunction persisted.
 

‘Strain’ measurement boosts accuracy

While echocardiography has been reported to be valuable in evaluating coronary artery function in MIS-C patients, Dr. Matsubara of the division of cardiology at CHOP, said in an interview that study is the first to use the newer echocardiography indexes, known as “strain,” to assess heart function.

“Strain is a more sensitive tool than more conventional indexes and can detect subtle decrease in heart function, even when ejection fraction is preserved,” he said. “Numerous publications have reached conclusions that strain improves the prognostic and diagnostic accuracy of echocardiography in a wide variety of cardiac pathologies causing LV dysfunction.”

Dr. Matsubara noted that the coronary arteries were mostly unaffected in the acute stage of MIS-C, as only one patient in their MIS-C cohort had coronary artery involvement, which normalized during early follow-up. “On the other hand, 20% of our classic KD patients had coronary abnormalities, including two with aneurysms.”

By using positive troponin I or elevated brain natriuretic peptide (BNP) to assess cardiac injury, they found a “high” (60%) incidence of myocardial injury in their MIS-C cohort. During early follow-up, most of the MIS-C patients showed normalization of systolic function, although diastolic dysfunction persisted.

When compared with the classic KD group, MIS-C patients had higher rates of mitral regurgitation (46% vs. 15%, P = .06), more pericardial effusion (32% vs. 15%, P = 0.46), and more pleural effusion (39% vs. 0%, P = .004). MIS-C patients with suspected myocardial injury show these findings more frequently than those with actual myocardial injury.



Compared with the healthy controls, the MIS-C patients showed both LV systolic and diastolic dysfunction as well as significantly lower left atrium (LA) strain and peak right ventricle (RV) free-wall longitudinal strain.

“In addition to the left ventricle, two other chambers of the heart, the LA and the RV that are often labeled as the ‘forgotten chambers’ of the heart, were also affected by MIS-C,” Dr. Matsubara said. “Both LA and RV strains were markedly reduced in MIS-C patients, compared to normal and KD patients.”

The study also indicates that elevated troponin I levels may not be as dire in children as they are in adults. Dr. Matsubara cited a study of more than 2,700 adult COVID-19 patients that found that even mild increases in troponin I level were associated with increased death during hospitalization (J Am Coll Cardiol. 2020;76:533-46).

However, most of the patients in the CHOP study, even those with elevated troponin I levels, recovered systolic function quickly. “We speculate that the elevation in cardiac troponins may have less dire implications in children, likely due to a more transient type of cardiac injury and less comorbidities in children,” he said. “Clearly further studies are needed before a definitive statement can be made.”

Dr. Matsubara added that recovered COVID-19 patients may be able to participate in sports as some schools reopen. “We are not saying restrict sport participation, but we are merely urging caution.”

 

 

Comprehensive LV evaluation needed

The findings reinforce that myocardial involvement is more frequent and sometimes more severe in MIS-C than previously thought, said Kevin G. Friedman, MD, a pediatrician at Harvard Medical School, Boston, and an attending physician in the department of cardiology at Boston Children’s Hospital. “We are underestimating it by using just traditional measures like ejection fraction. It requires a comprehensive evaluation of left ventricular function; it really affects all aspects of the ventricle, both the systolic function and the diastolic function.”

Dr. Kevin G. Friedman

This study supports that MIS-C patients should have a more detailed analysis than EF on echocardiography, including strain imaging. “Probably these patients should all be followed at centers where they can evaluate a more detailed analysis of the LV and RV function,” he said. Patients with ongoing CA enlargement and LV dysfunction should have follow-up cardiac care indefinitely. Patients who have no cardiac symptoms during the acute phase probably don’t need long-term follow-up.

“We’re just trying to learn more about this disease, and it’s certainly concerning that so many kids are having cardiac involvement,” Dr. Friedman said. “Fortunately they’re getting better; we’re just trying to find out what this means for the long term.”

Dr. Matsubara and Dr. Friedman have no relevant financial disclosures.

SOURCE: Matsubara D et al. J Am Coll Cardiol. 2020 Sep 2. doi: 10.1016/j.jacc.2020.08.056.

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DAPA-CKD: SGLT2 inhibitor benefit extends to chronic kidney disease without diabetes

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Add patients with chronic kidney disease with or without diabetes to the growing list of people who get proven benefit from treatment with an SGLT2 inhibitor.

Courtesy European Society of Cardiology
Dr. Hiddo J.L. Heerspink

In the DAPA-CKD trial, treatment with the SGLT2 inhibitor dapagliflozin (Farxiga) cut the incidence of substantially worsened chronic kidney disease by an average of 39% compared with placebo when added to standard treatment, with a number needed to treat of 19 to prevent one primary outcome event after a median of 2.4 years.

The level of benefit was similar in both the one-third of enrolled patients without diabetes and in the two-thirds with diabetes, showing a statistically significant 50% cut in the primary endpoint among patients without diabetes, Hiddo J.L. Heerspink, MD, reported at the virtual annual congress of the European Society of Cardiology.

“We found that dapagliflozin delayed the initiation of dialysis, and reduced the number of deaths,” regardless of diabetes status, Dr. Heerspink, of University Medical Centre Groningen, the Netherlands, said during a press conference. “DAPA-CKD trial has shown dapagliflozin’s potential as a long-awaited new treatment for patients with chronic kidney disease.”

This finding ushers in a “completely new era in chronic kidney disease management,” said Janani Rangaswami, MD, a nephrologist and cardiorenal syndrome specialist at Einstein Medical Center in Philadelphia. “It’s good news” for these patients.

The results showed that dapagliflozin is the first “game changing” drug for chronic kidney disease in 2 decades, following the introduction of angiotensin converting enzyme inhibitors and angiotensin receptor blockers, she said in an interview. And given the consistency of the findings with the results from several other studies that documented meaningful renal protection by several different SGLT2 inhibitors, the results from this single trial also convincingly establish dapagliflozin as a standard-of-care agent to use on the types of patients the study enrolled, she said in an interview.
 

Representing many real-world patients

The DAPA-CKD trial enrolled 4,304 patients with albuminuria based on having a urinary albumin-to-creatinine ratio of at least 200 mg/g, and an estimated glomerular filtration rate (eGFR) of 25-75 mL/min per 1.73 m2 (with 90% of patients having an eGFR of less than 60 mL/min per 1.73 m2), and 97% were on treatment with a renin-angiotensin system–blocking drug. The primary endpoint was the combined rate of a drop in eGFR of at least 50% from baseline, progression to end stage renal disease, or renal or cardiovascular death; the between-group difference in this composite was driven primarily by both preserved eGFR and by prevention of end stage renal disease.

This represents both an appropriate target population, and meaningful endpoints, Dr. Rangaswami said. The study was “very representative of who we see in real-world practice,” a group that likely includes “hundreds of thousands” of U.S. patients with nondiabetic chronic kidney disease, she estimated.



Another notable finding was that 14% of the enrolled patients had eGFR values at baseline of 25-29 mL/min per 1.73 m2, pegging them as having stage 4 chronic kidney disease, and the median baseline eGFR was 43 mL/min per 1.73 m2, but dapagliflozin treatment was as safe and effective in these patients as it was in enrolled patients with a higher level of retained renal activity. This experience should give clinicians greater confidence about using dapagliflozin and other drugs in the sodium-glucose cotransporter (SGLT) 2 inhibitor class in patients with substantially depressed renal function, Dr. Rangaswami said.

“We now need to be more proactive about treating patients with more advanced kidney disease who can still benefit” from dapagliflozin treatment. “The sooner you intervene the better,” to slow further progression, but the new findings show “benefit even when treating patients with lower eGFRs. There is still hope to prevent or delay dialysis.”

A heart-kidney connection

Dapagliflozin treatment also cut all-cause mortality by a statistically significant, relative 31%, and another secondary-endpoint analysis showed a statistically significant 29% relative reduction in the rate of cardiovascular death or heart failure hospitalization, a benefit seen consistently in several prior studies of SGLT2 inhibitors, but possibly unexpected here because enrolled patients underwent no selection for a history of heart failure or any other cardiovascular disease. But the finding shouldn’t surprise, because “chronic kidney disease is an independent risk factor for cardiovascular disease across the board, and especially for heart failure,” noted Dr. Rangaswami.

“Heart and kidney disease is one big spectrum,” and the collected experience of several trials that have now proven the efficacy of SGLT2 inhibitors among patients with heart failure with reduced ejection fraction or with chronic kidney disease, regardless of their glycemic control, shows how broadly this drug class can benefit patients across the breadth of this spectrum, she said.

DAPA-CKD was funded by AstraZeneca, the company that markets dapagliflozin (Farxiga). Dr. Heerspink has been a consultant to and received research funding from AstraZeneca and from several other companies. Dr. Rangaswami had no disclosures.

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Add patients with chronic kidney disease with or without diabetes to the growing list of people who get proven benefit from treatment with an SGLT2 inhibitor.

Courtesy European Society of Cardiology
Dr. Hiddo J.L. Heerspink

In the DAPA-CKD trial, treatment with the SGLT2 inhibitor dapagliflozin (Farxiga) cut the incidence of substantially worsened chronic kidney disease by an average of 39% compared with placebo when added to standard treatment, with a number needed to treat of 19 to prevent one primary outcome event after a median of 2.4 years.

The level of benefit was similar in both the one-third of enrolled patients without diabetes and in the two-thirds with diabetes, showing a statistically significant 50% cut in the primary endpoint among patients without diabetes, Hiddo J.L. Heerspink, MD, reported at the virtual annual congress of the European Society of Cardiology.

“We found that dapagliflozin delayed the initiation of dialysis, and reduced the number of deaths,” regardless of diabetes status, Dr. Heerspink, of University Medical Centre Groningen, the Netherlands, said during a press conference. “DAPA-CKD trial has shown dapagliflozin’s potential as a long-awaited new treatment for patients with chronic kidney disease.”

This finding ushers in a “completely new era in chronic kidney disease management,” said Janani Rangaswami, MD, a nephrologist and cardiorenal syndrome specialist at Einstein Medical Center in Philadelphia. “It’s good news” for these patients.

The results showed that dapagliflozin is the first “game changing” drug for chronic kidney disease in 2 decades, following the introduction of angiotensin converting enzyme inhibitors and angiotensin receptor blockers, she said in an interview. And given the consistency of the findings with the results from several other studies that documented meaningful renal protection by several different SGLT2 inhibitors, the results from this single trial also convincingly establish dapagliflozin as a standard-of-care agent to use on the types of patients the study enrolled, she said in an interview.
 

Representing many real-world patients

The DAPA-CKD trial enrolled 4,304 patients with albuminuria based on having a urinary albumin-to-creatinine ratio of at least 200 mg/g, and an estimated glomerular filtration rate (eGFR) of 25-75 mL/min per 1.73 m2 (with 90% of patients having an eGFR of less than 60 mL/min per 1.73 m2), and 97% were on treatment with a renin-angiotensin system–blocking drug. The primary endpoint was the combined rate of a drop in eGFR of at least 50% from baseline, progression to end stage renal disease, or renal or cardiovascular death; the between-group difference in this composite was driven primarily by both preserved eGFR and by prevention of end stage renal disease.

This represents both an appropriate target population, and meaningful endpoints, Dr. Rangaswami said. The study was “very representative of who we see in real-world practice,” a group that likely includes “hundreds of thousands” of U.S. patients with nondiabetic chronic kidney disease, she estimated.



Another notable finding was that 14% of the enrolled patients had eGFR values at baseline of 25-29 mL/min per 1.73 m2, pegging them as having stage 4 chronic kidney disease, and the median baseline eGFR was 43 mL/min per 1.73 m2, but dapagliflozin treatment was as safe and effective in these patients as it was in enrolled patients with a higher level of retained renal activity. This experience should give clinicians greater confidence about using dapagliflozin and other drugs in the sodium-glucose cotransporter (SGLT) 2 inhibitor class in patients with substantially depressed renal function, Dr. Rangaswami said.

“We now need to be more proactive about treating patients with more advanced kidney disease who can still benefit” from dapagliflozin treatment. “The sooner you intervene the better,” to slow further progression, but the new findings show “benefit even when treating patients with lower eGFRs. There is still hope to prevent or delay dialysis.”

A heart-kidney connection

Dapagliflozin treatment also cut all-cause mortality by a statistically significant, relative 31%, and another secondary-endpoint analysis showed a statistically significant 29% relative reduction in the rate of cardiovascular death or heart failure hospitalization, a benefit seen consistently in several prior studies of SGLT2 inhibitors, but possibly unexpected here because enrolled patients underwent no selection for a history of heart failure or any other cardiovascular disease. But the finding shouldn’t surprise, because “chronic kidney disease is an independent risk factor for cardiovascular disease across the board, and especially for heart failure,” noted Dr. Rangaswami.

“Heart and kidney disease is one big spectrum,” and the collected experience of several trials that have now proven the efficacy of SGLT2 inhibitors among patients with heart failure with reduced ejection fraction or with chronic kidney disease, regardless of their glycemic control, shows how broadly this drug class can benefit patients across the breadth of this spectrum, she said.

DAPA-CKD was funded by AstraZeneca, the company that markets dapagliflozin (Farxiga). Dr. Heerspink has been a consultant to and received research funding from AstraZeneca and from several other companies. Dr. Rangaswami had no disclosures.

Add patients with chronic kidney disease with or without diabetes to the growing list of people who get proven benefit from treatment with an SGLT2 inhibitor.

Courtesy European Society of Cardiology
Dr. Hiddo J.L. Heerspink

In the DAPA-CKD trial, treatment with the SGLT2 inhibitor dapagliflozin (Farxiga) cut the incidence of substantially worsened chronic kidney disease by an average of 39% compared with placebo when added to standard treatment, with a number needed to treat of 19 to prevent one primary outcome event after a median of 2.4 years.

The level of benefit was similar in both the one-third of enrolled patients without diabetes and in the two-thirds with diabetes, showing a statistically significant 50% cut in the primary endpoint among patients without diabetes, Hiddo J.L. Heerspink, MD, reported at the virtual annual congress of the European Society of Cardiology.

“We found that dapagliflozin delayed the initiation of dialysis, and reduced the number of deaths,” regardless of diabetes status, Dr. Heerspink, of University Medical Centre Groningen, the Netherlands, said during a press conference. “DAPA-CKD trial has shown dapagliflozin’s potential as a long-awaited new treatment for patients with chronic kidney disease.”

This finding ushers in a “completely new era in chronic kidney disease management,” said Janani Rangaswami, MD, a nephrologist and cardiorenal syndrome specialist at Einstein Medical Center in Philadelphia. “It’s good news” for these patients.

The results showed that dapagliflozin is the first “game changing” drug for chronic kidney disease in 2 decades, following the introduction of angiotensin converting enzyme inhibitors and angiotensin receptor blockers, she said in an interview. And given the consistency of the findings with the results from several other studies that documented meaningful renal protection by several different SGLT2 inhibitors, the results from this single trial also convincingly establish dapagliflozin as a standard-of-care agent to use on the types of patients the study enrolled, she said in an interview.
 

Representing many real-world patients

The DAPA-CKD trial enrolled 4,304 patients with albuminuria based on having a urinary albumin-to-creatinine ratio of at least 200 mg/g, and an estimated glomerular filtration rate (eGFR) of 25-75 mL/min per 1.73 m2 (with 90% of patients having an eGFR of less than 60 mL/min per 1.73 m2), and 97% were on treatment with a renin-angiotensin system–blocking drug. The primary endpoint was the combined rate of a drop in eGFR of at least 50% from baseline, progression to end stage renal disease, or renal or cardiovascular death; the between-group difference in this composite was driven primarily by both preserved eGFR and by prevention of end stage renal disease.

This represents both an appropriate target population, and meaningful endpoints, Dr. Rangaswami said. The study was “very representative of who we see in real-world practice,” a group that likely includes “hundreds of thousands” of U.S. patients with nondiabetic chronic kidney disease, she estimated.



Another notable finding was that 14% of the enrolled patients had eGFR values at baseline of 25-29 mL/min per 1.73 m2, pegging them as having stage 4 chronic kidney disease, and the median baseline eGFR was 43 mL/min per 1.73 m2, but dapagliflozin treatment was as safe and effective in these patients as it was in enrolled patients with a higher level of retained renal activity. This experience should give clinicians greater confidence about using dapagliflozin and other drugs in the sodium-glucose cotransporter (SGLT) 2 inhibitor class in patients with substantially depressed renal function, Dr. Rangaswami said.

“We now need to be more proactive about treating patients with more advanced kidney disease who can still benefit” from dapagliflozin treatment. “The sooner you intervene the better,” to slow further progression, but the new findings show “benefit even when treating patients with lower eGFRs. There is still hope to prevent or delay dialysis.”

A heart-kidney connection

Dapagliflozin treatment also cut all-cause mortality by a statistically significant, relative 31%, and another secondary-endpoint analysis showed a statistically significant 29% relative reduction in the rate of cardiovascular death or heart failure hospitalization, a benefit seen consistently in several prior studies of SGLT2 inhibitors, but possibly unexpected here because enrolled patients underwent no selection for a history of heart failure or any other cardiovascular disease. But the finding shouldn’t surprise, because “chronic kidney disease is an independent risk factor for cardiovascular disease across the board, and especially for heart failure,” noted Dr. Rangaswami.

“Heart and kidney disease is one big spectrum,” and the collected experience of several trials that have now proven the efficacy of SGLT2 inhibitors among patients with heart failure with reduced ejection fraction or with chronic kidney disease, regardless of their glycemic control, shows how broadly this drug class can benefit patients across the breadth of this spectrum, she said.

DAPA-CKD was funded by AstraZeneca, the company that markets dapagliflozin (Farxiga). Dr. Heerspink has been a consultant to and received research funding from AstraZeneca and from several other companies. Dr. Rangaswami had no disclosures.

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COVID-19 at home: What does optimal care look like?

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Marilyn Stebbins, PharmD, fell ill at the end of February 2020. Initially diagnosed with multifocal pneumonia and treated with antibiotics, she later developed severe gastrointestinal symptoms, fatigue, and shortness of breath. She was hospitalized in early March and was diagnosed with COVID-19.

It was still early in the pandemic, and testing was not available for her husband. After she was discharged, her husband isolated himself as much as possible. But that limited the amount of care he could offer.

“When I came home after 8 days in the ICU, I felt completely alone and terrified of not being able to care for myself and not knowing how much care my husband could provide,” said Dr. Stebbins, professor of clinical pharmacy at the University of California, San Francisco.

“I can’t even imagine what it would have been like if I had been home alone without my husband in the house,” she said. “I think about the people who died at home and understand how that might happen.”

Dr. Stebbins is one of tens of thousands of people who, whether hospitalized and discharged or never admitted for inpatient care, needed to find ways to convalesce at home. Data from the Centers for Medicare & Medicaid Services show that, of 326,674 beneficiaries who tested positive for COVID-19 between May 16 and June 11, 2020, 109,607 were hospitalized, suggesting that two-thirds were outpatients.

Most attention has focused on the sickest patients, leaving less severe cases to fall through the cracks. Despite fever, cough, difficulty breathing, and a surfeit of other symptoms, there are few available resources and all too little support to help patients navigate the physical and emotional struggles of contending with COVID-19 at home.
 

No ‘cookie-cutter’ approach

The speed with which the pandemic progressed caught public health systems off guard, but now, “it is essential to put into place the infrastructure to care for the physical and mental health needs of patients at home because most are in the community and many, if not most, still aren’t receiving sufficient support at home,” said Dr. Stebbins.

Caring for COVID-19 patients at home begins with determining their individual needs, said Gary LeRoy, MD, a family physician in Dayton, Ohio. He emphasized that there is “no cookie-cutter formula” for home care, because every patient’s situation is different.

“I begin by having a detailed conversation with each patient to ascertain whether their home environment is safe and to paint a picture of their circumstances,” Dr. LeRoy, who is the president of the American Academy of Family Physicians, said in an interview.

Dr. LeRoy suggested questions that constitute “not just a ‘medical’ checklist but a ‘whole life’ checklist.”

  • Do you have access to food, water, medications, sanitation/cleaning supplies, a thermometer, and other necessities? If not, who might assist in providing those?
  • Do you need help with activities of daily living and self-care?
  • Who else lives in your household? Do they have signs and symptoms of the virus? Have they been tested?
  • Do you have enough physical space between you and other household members?
  • Do you have children? How are they being cared for?
  • What type of work do you do? What are the implications for your employment if you are unable to work for an extended period?
  • Do you have an emotional, social, and spiritual support system (e.g., family, friends, community, church)?
  • Do you have concerns I haven’t mentioned?

Patients’ responses will inform the management plan and determine what medical and social resources are needed, he said.
 

Daily check-in

Dr. Stebbins said the nurse case manager from her insurance company called her daily after she came home from the hospital. She was told that a public health nurse would also call, but no one from the health department called for days – a situation she hopes has improved.

One way or another, she said, “health care providers [or their staff] should check in with patients daily, either telephonically or via video.” She noted that video is superior, because “someone who isn’t a family member needs to put eyes on a patient and might be able to detect warning signs that a family member without healthcare training might not notice.”

Dr. LeRoy, who is also an associate professor of medicine at Wright State University, Dayton, Ohio, said that, given his time constraints, a nurse or medical assistant in his practice conducts the daily check-ins and notifies him if the patient has fever or other symptoms.

“Under ordinary circumstances, when a patient comes to see me for some type of medical condition, I get to meet the patient, consider what might be going on, then order a test, wait for the results, and suggest a treatment plan. But these are anything but ordinary circumstances,” said Matthew Exline, MD, a pulmonary and critical care specialist at the Ohio State University Wexner Medical Center, Columbus.

“That traditional structure broke down with COVID-19, when we may have test results without even seeing the patient. And without this interaction, it is harder to know as a physician what course of action to take,” he said in an interview.

Once a diagnosis has been made, the physician has at least some data to help guide next steps, even if there has been no prior meeting with the patient.

For example, a positive test raises a host of issues, not the least of which is the risk of spreading the infection to other household members and questions about whether to go the hospital. Moreover, for patients, positive tests can have serious ramifications.

“Severe shortness of breath at rest is not typical of the flu, nor is loss of taste or smell,” said Dr. Exline. Practitioners must educate patients and families about specific symptoms of COVID-19, including shortness of breath, loss of taste or smell, and gastrointestinal or neurologic symptoms, and when to seek emergency care.

Dr. LeRoy suggests buying a pulse oximeter to gauge blood oxygen levels and pulse rate. Together with a thermometer, a portable blood pressure monitor, and, if indicated, a blood glucose monitor, these devices provide a comprehensive and accurate assessment of vital signs.

Dr. LeRoy also educates patients and their families about when to seek medical attention.

Dr. Stebbins takes a similar approach. “Family members are part of, not apart from, the care of patients with COVID-19, and it’s our responsibility as healthcare providers to consider them in the patient’s care plan.”
 

Keeping family safe

Beyond care, family members need a plan to keep themselves healthy, too.

“A patient with COVID-19 at home should self-quarantine as much as possible to keep other family members safe, if they continue to live in the same house,” Dr. Exline said.

Ideally, uninfected family members should stay with relatives or friends. When that’s not possible, everyone in the household should wear a mask, be vigilant about hand washing, and wipe down all surfaces – including doorknobs, light switches, faucet handles, cellphones, and utensils – regularly with bleach or an alcohol solution.

Caregivers should also minimize the amount of time they are exposed to the patient.

“Set food, water, and medication on the night table and leave the room rather than spending hours at the bedside, since limiting exposure to viral load reduces the chances of contagion,” said Dr. Exline.

The Centers for Disease Control and Prevention offers guidance for household members caring for COVID-19 patients at home. It provides tips on how to help patients follow the doctor’s instructions and ways to ensure adequate hydration and rest, among others.

Patients with COVID-19 who live alone face more formidable challenges.

Dr. LeRoy says physicians can help patients by educating themselves about available social services in their community so they can provide appropriate referrals and connections. Such initiatives can include meal programs, friendly visit and financial assistance programs, as well as childcare and home health agencies.

He noted that Aunt Bertha, a social care network, provides a guide to social services throughout the United States. Additional resources are available on USA.gov.
 

Comfort and support

Patients with COVID-19 need to be as comfortable and as supported as possible, both physically and emotionally.

“While I was sick, my dogs curled up next to me and didn’t leave my side, and they were my saving grace. There’s not enough to be said about emotional support,” Dr. Stebbins said.

Although important, emotional support is not enough. For patients with respiratory disorders, such as chronic obstructive pulmonary diseaseasthmaheart failure, or pneumonia, their subjective symptoms of shortness of breath, air hunger, or cough may improve with supplemental oxygen at home. Other measures include repositioning of the patient to lessen the body weight over the lungs or the use of lung percussion, Leroy said.

He added that improvement may also come from drainage of sputum from the airway passages, the use of agents to liquefy thick sputum (mucolytics), or aerosolized bronchodilator medications.

However, Dr. LeRoy cautioned, “one remedy does not work for everyone – an individual can improve gradually by using these home support interventions, or their respiratory status can deteriorate rapidly despite all these interventions.”

For this reason, he says patients should consult their personal physician to determine which, if any, of these home treatments would be best for their particular situation.

Patients who need emotional support, psychotherapy, or psychotropic medications may find teletherapy helpful. Guidance for psychiatrists, psychologists, and social workers regarding the treatment of COVID-19 patients via teletherapy can be found on the American Psychiatric Association, the American Psychological Association, and the National Association of Social Workers websites.

Pharmacists can also help ensure patient safety, Dr. Stebbins said.

If a patient has not picked up their usual medications, Dr. Stebbins said, “they may need a check-in call. Some may be ill and alone and may need encouragement to seek medical attention, and some may have no means of getting to the pharmacy and may need medications delivered.”

A home healthcare agency may also be helpful for homebound patients. David Bersson, director of operations at Synergy Home Care of Bergen County, N.J., has arranged in-home caregivers for patients with COVID-19.

The amount of care that professional caregivers provide can range from several hours per week to full-time, depending on the patient’s needs and budget, and can include companionship, Mr. Bersson said in an interview.

Because patient and caregiver safety are paramount, caregivers are thoroughly trained in protection and decontamination procedures and are regularly tested for COVID-19 prior to being sent into a client’s home.

Health insurance companies do not cover this service, Mr. Bersson noted, but the VetAssist program covers home care for veterans and their spouses who meet income requirements.

Caregiving and companionship are both vital pieces of the at-home care puzzle. “It was the virtual emotional support I got from friends, family, coworkers, and healthcare professionals that meant so much to me, and I know they played an important part in my recovery,” Dr. Stebbins said.

Dr. LeRoy agreed, noting that he calls patients, even if they only have mild symptoms and his nurse has already spoken to them. “The call doesn’t take much time – maybe just a 5-minute conversation – but it makes patients aware that I care.”

Dr. Stebbins, Dr. Exline, and Dr. LeRoy report no relevant financial relationships. Mr. Bersson is the director of operations at Synergy Home Care of Bergen County, New Jersey.

This story first appeared on Medscape.com.

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Marilyn Stebbins, PharmD, fell ill at the end of February 2020. Initially diagnosed with multifocal pneumonia and treated with antibiotics, she later developed severe gastrointestinal symptoms, fatigue, and shortness of breath. She was hospitalized in early March and was diagnosed with COVID-19.

It was still early in the pandemic, and testing was not available for her husband. After she was discharged, her husband isolated himself as much as possible. But that limited the amount of care he could offer.

“When I came home after 8 days in the ICU, I felt completely alone and terrified of not being able to care for myself and not knowing how much care my husband could provide,” said Dr. Stebbins, professor of clinical pharmacy at the University of California, San Francisco.

“I can’t even imagine what it would have been like if I had been home alone without my husband in the house,” she said. “I think about the people who died at home and understand how that might happen.”

Dr. Stebbins is one of tens of thousands of people who, whether hospitalized and discharged or never admitted for inpatient care, needed to find ways to convalesce at home. Data from the Centers for Medicare & Medicaid Services show that, of 326,674 beneficiaries who tested positive for COVID-19 between May 16 and June 11, 2020, 109,607 were hospitalized, suggesting that two-thirds were outpatients.

Most attention has focused on the sickest patients, leaving less severe cases to fall through the cracks. Despite fever, cough, difficulty breathing, and a surfeit of other symptoms, there are few available resources and all too little support to help patients navigate the physical and emotional struggles of contending with COVID-19 at home.
 

No ‘cookie-cutter’ approach

The speed with which the pandemic progressed caught public health systems off guard, but now, “it is essential to put into place the infrastructure to care for the physical and mental health needs of patients at home because most are in the community and many, if not most, still aren’t receiving sufficient support at home,” said Dr. Stebbins.

Caring for COVID-19 patients at home begins with determining their individual needs, said Gary LeRoy, MD, a family physician in Dayton, Ohio. He emphasized that there is “no cookie-cutter formula” for home care, because every patient’s situation is different.

“I begin by having a detailed conversation with each patient to ascertain whether their home environment is safe and to paint a picture of their circumstances,” Dr. LeRoy, who is the president of the American Academy of Family Physicians, said in an interview.

Dr. LeRoy suggested questions that constitute “not just a ‘medical’ checklist but a ‘whole life’ checklist.”

  • Do you have access to food, water, medications, sanitation/cleaning supplies, a thermometer, and other necessities? If not, who might assist in providing those?
  • Do you need help with activities of daily living and self-care?
  • Who else lives in your household? Do they have signs and symptoms of the virus? Have they been tested?
  • Do you have enough physical space between you and other household members?
  • Do you have children? How are they being cared for?
  • What type of work do you do? What are the implications for your employment if you are unable to work for an extended period?
  • Do you have an emotional, social, and spiritual support system (e.g., family, friends, community, church)?
  • Do you have concerns I haven’t mentioned?

Patients’ responses will inform the management plan and determine what medical and social resources are needed, he said.
 

Daily check-in

Dr. Stebbins said the nurse case manager from her insurance company called her daily after she came home from the hospital. She was told that a public health nurse would also call, but no one from the health department called for days – a situation she hopes has improved.

One way or another, she said, “health care providers [or their staff] should check in with patients daily, either telephonically or via video.” She noted that video is superior, because “someone who isn’t a family member needs to put eyes on a patient and might be able to detect warning signs that a family member without healthcare training might not notice.”

Dr. LeRoy, who is also an associate professor of medicine at Wright State University, Dayton, Ohio, said that, given his time constraints, a nurse or medical assistant in his practice conducts the daily check-ins and notifies him if the patient has fever or other symptoms.

“Under ordinary circumstances, when a patient comes to see me for some type of medical condition, I get to meet the patient, consider what might be going on, then order a test, wait for the results, and suggest a treatment plan. But these are anything but ordinary circumstances,” said Matthew Exline, MD, a pulmonary and critical care specialist at the Ohio State University Wexner Medical Center, Columbus.

“That traditional structure broke down with COVID-19, when we may have test results without even seeing the patient. And without this interaction, it is harder to know as a physician what course of action to take,” he said in an interview.

Once a diagnosis has been made, the physician has at least some data to help guide next steps, even if there has been no prior meeting with the patient.

For example, a positive test raises a host of issues, not the least of which is the risk of spreading the infection to other household members and questions about whether to go the hospital. Moreover, for patients, positive tests can have serious ramifications.

“Severe shortness of breath at rest is not typical of the flu, nor is loss of taste or smell,” said Dr. Exline. Practitioners must educate patients and families about specific symptoms of COVID-19, including shortness of breath, loss of taste or smell, and gastrointestinal or neurologic symptoms, and when to seek emergency care.

Dr. LeRoy suggests buying a pulse oximeter to gauge blood oxygen levels and pulse rate. Together with a thermometer, a portable blood pressure monitor, and, if indicated, a blood glucose monitor, these devices provide a comprehensive and accurate assessment of vital signs.

Dr. LeRoy also educates patients and their families about when to seek medical attention.

Dr. Stebbins takes a similar approach. “Family members are part of, not apart from, the care of patients with COVID-19, and it’s our responsibility as healthcare providers to consider them in the patient’s care plan.”
 

Keeping family safe

Beyond care, family members need a plan to keep themselves healthy, too.

“A patient with COVID-19 at home should self-quarantine as much as possible to keep other family members safe, if they continue to live in the same house,” Dr. Exline said.

Ideally, uninfected family members should stay with relatives or friends. When that’s not possible, everyone in the household should wear a mask, be vigilant about hand washing, and wipe down all surfaces – including doorknobs, light switches, faucet handles, cellphones, and utensils – regularly with bleach or an alcohol solution.

Caregivers should also minimize the amount of time they are exposed to the patient.

“Set food, water, and medication on the night table and leave the room rather than spending hours at the bedside, since limiting exposure to viral load reduces the chances of contagion,” said Dr. Exline.

The Centers for Disease Control and Prevention offers guidance for household members caring for COVID-19 patients at home. It provides tips on how to help patients follow the doctor’s instructions and ways to ensure adequate hydration and rest, among others.

Patients with COVID-19 who live alone face more formidable challenges.

Dr. LeRoy says physicians can help patients by educating themselves about available social services in their community so they can provide appropriate referrals and connections. Such initiatives can include meal programs, friendly visit and financial assistance programs, as well as childcare and home health agencies.

He noted that Aunt Bertha, a social care network, provides a guide to social services throughout the United States. Additional resources are available on USA.gov.
 

Comfort and support

Patients with COVID-19 need to be as comfortable and as supported as possible, both physically and emotionally.

“While I was sick, my dogs curled up next to me and didn’t leave my side, and they were my saving grace. There’s not enough to be said about emotional support,” Dr. Stebbins said.

Although important, emotional support is not enough. For patients with respiratory disorders, such as chronic obstructive pulmonary diseaseasthmaheart failure, or pneumonia, their subjective symptoms of shortness of breath, air hunger, or cough may improve with supplemental oxygen at home. Other measures include repositioning of the patient to lessen the body weight over the lungs or the use of lung percussion, Leroy said.

He added that improvement may also come from drainage of sputum from the airway passages, the use of agents to liquefy thick sputum (mucolytics), or aerosolized bronchodilator medications.

However, Dr. LeRoy cautioned, “one remedy does not work for everyone – an individual can improve gradually by using these home support interventions, or their respiratory status can deteriorate rapidly despite all these interventions.”

For this reason, he says patients should consult their personal physician to determine which, if any, of these home treatments would be best for their particular situation.

Patients who need emotional support, psychotherapy, or psychotropic medications may find teletherapy helpful. Guidance for psychiatrists, psychologists, and social workers regarding the treatment of COVID-19 patients via teletherapy can be found on the American Psychiatric Association, the American Psychological Association, and the National Association of Social Workers websites.

Pharmacists can also help ensure patient safety, Dr. Stebbins said.

If a patient has not picked up their usual medications, Dr. Stebbins said, “they may need a check-in call. Some may be ill and alone and may need encouragement to seek medical attention, and some may have no means of getting to the pharmacy and may need medications delivered.”

A home healthcare agency may also be helpful for homebound patients. David Bersson, director of operations at Synergy Home Care of Bergen County, N.J., has arranged in-home caregivers for patients with COVID-19.

The amount of care that professional caregivers provide can range from several hours per week to full-time, depending on the patient’s needs and budget, and can include companionship, Mr. Bersson said in an interview.

Because patient and caregiver safety are paramount, caregivers are thoroughly trained in protection and decontamination procedures and are regularly tested for COVID-19 prior to being sent into a client’s home.

Health insurance companies do not cover this service, Mr. Bersson noted, but the VetAssist program covers home care for veterans and their spouses who meet income requirements.

Caregiving and companionship are both vital pieces of the at-home care puzzle. “It was the virtual emotional support I got from friends, family, coworkers, and healthcare professionals that meant so much to me, and I know they played an important part in my recovery,” Dr. Stebbins said.

Dr. LeRoy agreed, noting that he calls patients, even if they only have mild symptoms and his nurse has already spoken to them. “The call doesn’t take much time – maybe just a 5-minute conversation – but it makes patients aware that I care.”

Dr. Stebbins, Dr. Exline, and Dr. LeRoy report no relevant financial relationships. Mr. Bersson is the director of operations at Synergy Home Care of Bergen County, New Jersey.

This story first appeared on Medscape.com.

Marilyn Stebbins, PharmD, fell ill at the end of February 2020. Initially diagnosed with multifocal pneumonia and treated with antibiotics, she later developed severe gastrointestinal symptoms, fatigue, and shortness of breath. She was hospitalized in early March and was diagnosed with COVID-19.

It was still early in the pandemic, and testing was not available for her husband. After she was discharged, her husband isolated himself as much as possible. But that limited the amount of care he could offer.

“When I came home after 8 days in the ICU, I felt completely alone and terrified of not being able to care for myself and not knowing how much care my husband could provide,” said Dr. Stebbins, professor of clinical pharmacy at the University of California, San Francisco.

“I can’t even imagine what it would have been like if I had been home alone without my husband in the house,” she said. “I think about the people who died at home and understand how that might happen.”

Dr. Stebbins is one of tens of thousands of people who, whether hospitalized and discharged or never admitted for inpatient care, needed to find ways to convalesce at home. Data from the Centers for Medicare & Medicaid Services show that, of 326,674 beneficiaries who tested positive for COVID-19 between May 16 and June 11, 2020, 109,607 were hospitalized, suggesting that two-thirds were outpatients.

Most attention has focused on the sickest patients, leaving less severe cases to fall through the cracks. Despite fever, cough, difficulty breathing, and a surfeit of other symptoms, there are few available resources and all too little support to help patients navigate the physical and emotional struggles of contending with COVID-19 at home.
 

No ‘cookie-cutter’ approach

The speed with which the pandemic progressed caught public health systems off guard, but now, “it is essential to put into place the infrastructure to care for the physical and mental health needs of patients at home because most are in the community and many, if not most, still aren’t receiving sufficient support at home,” said Dr. Stebbins.

Caring for COVID-19 patients at home begins with determining their individual needs, said Gary LeRoy, MD, a family physician in Dayton, Ohio. He emphasized that there is “no cookie-cutter formula” for home care, because every patient’s situation is different.

“I begin by having a detailed conversation with each patient to ascertain whether their home environment is safe and to paint a picture of their circumstances,” Dr. LeRoy, who is the president of the American Academy of Family Physicians, said in an interview.

Dr. LeRoy suggested questions that constitute “not just a ‘medical’ checklist but a ‘whole life’ checklist.”

  • Do you have access to food, water, medications, sanitation/cleaning supplies, a thermometer, and other necessities? If not, who might assist in providing those?
  • Do you need help with activities of daily living and self-care?
  • Who else lives in your household? Do they have signs and symptoms of the virus? Have they been tested?
  • Do you have enough physical space between you and other household members?
  • Do you have children? How are they being cared for?
  • What type of work do you do? What are the implications for your employment if you are unable to work for an extended period?
  • Do you have an emotional, social, and spiritual support system (e.g., family, friends, community, church)?
  • Do you have concerns I haven’t mentioned?

Patients’ responses will inform the management plan and determine what medical and social resources are needed, he said.
 

Daily check-in

Dr. Stebbins said the nurse case manager from her insurance company called her daily after she came home from the hospital. She was told that a public health nurse would also call, but no one from the health department called for days – a situation she hopes has improved.

One way or another, she said, “health care providers [or their staff] should check in with patients daily, either telephonically or via video.” She noted that video is superior, because “someone who isn’t a family member needs to put eyes on a patient and might be able to detect warning signs that a family member without healthcare training might not notice.”

Dr. LeRoy, who is also an associate professor of medicine at Wright State University, Dayton, Ohio, said that, given his time constraints, a nurse or medical assistant in his practice conducts the daily check-ins and notifies him if the patient has fever or other symptoms.

“Under ordinary circumstances, when a patient comes to see me for some type of medical condition, I get to meet the patient, consider what might be going on, then order a test, wait for the results, and suggest a treatment plan. But these are anything but ordinary circumstances,” said Matthew Exline, MD, a pulmonary and critical care specialist at the Ohio State University Wexner Medical Center, Columbus.

“That traditional structure broke down with COVID-19, when we may have test results without even seeing the patient. And without this interaction, it is harder to know as a physician what course of action to take,” he said in an interview.

Once a diagnosis has been made, the physician has at least some data to help guide next steps, even if there has been no prior meeting with the patient.

For example, a positive test raises a host of issues, not the least of which is the risk of spreading the infection to other household members and questions about whether to go the hospital. Moreover, for patients, positive tests can have serious ramifications.

“Severe shortness of breath at rest is not typical of the flu, nor is loss of taste or smell,” said Dr. Exline. Practitioners must educate patients and families about specific symptoms of COVID-19, including shortness of breath, loss of taste or smell, and gastrointestinal or neurologic symptoms, and when to seek emergency care.

Dr. LeRoy suggests buying a pulse oximeter to gauge blood oxygen levels and pulse rate. Together with a thermometer, a portable blood pressure monitor, and, if indicated, a blood glucose monitor, these devices provide a comprehensive and accurate assessment of vital signs.

Dr. LeRoy also educates patients and their families about when to seek medical attention.

Dr. Stebbins takes a similar approach. “Family members are part of, not apart from, the care of patients with COVID-19, and it’s our responsibility as healthcare providers to consider them in the patient’s care plan.”
 

Keeping family safe

Beyond care, family members need a plan to keep themselves healthy, too.

“A patient with COVID-19 at home should self-quarantine as much as possible to keep other family members safe, if they continue to live in the same house,” Dr. Exline said.

Ideally, uninfected family members should stay with relatives or friends. When that’s not possible, everyone in the household should wear a mask, be vigilant about hand washing, and wipe down all surfaces – including doorknobs, light switches, faucet handles, cellphones, and utensils – regularly with bleach or an alcohol solution.

Caregivers should also minimize the amount of time they are exposed to the patient.

“Set food, water, and medication on the night table and leave the room rather than spending hours at the bedside, since limiting exposure to viral load reduces the chances of contagion,” said Dr. Exline.

The Centers for Disease Control and Prevention offers guidance for household members caring for COVID-19 patients at home. It provides tips on how to help patients follow the doctor’s instructions and ways to ensure adequate hydration and rest, among others.

Patients with COVID-19 who live alone face more formidable challenges.

Dr. LeRoy says physicians can help patients by educating themselves about available social services in their community so they can provide appropriate referrals and connections. Such initiatives can include meal programs, friendly visit and financial assistance programs, as well as childcare and home health agencies.

He noted that Aunt Bertha, a social care network, provides a guide to social services throughout the United States. Additional resources are available on USA.gov.
 

Comfort and support

Patients with COVID-19 need to be as comfortable and as supported as possible, both physically and emotionally.

“While I was sick, my dogs curled up next to me and didn’t leave my side, and they were my saving grace. There’s not enough to be said about emotional support,” Dr. Stebbins said.

Although important, emotional support is not enough. For patients with respiratory disorders, such as chronic obstructive pulmonary diseaseasthmaheart failure, or pneumonia, their subjective symptoms of shortness of breath, air hunger, or cough may improve with supplemental oxygen at home. Other measures include repositioning of the patient to lessen the body weight over the lungs or the use of lung percussion, Leroy said.

He added that improvement may also come from drainage of sputum from the airway passages, the use of agents to liquefy thick sputum (mucolytics), or aerosolized bronchodilator medications.

However, Dr. LeRoy cautioned, “one remedy does not work for everyone – an individual can improve gradually by using these home support interventions, or their respiratory status can deteriorate rapidly despite all these interventions.”

For this reason, he says patients should consult their personal physician to determine which, if any, of these home treatments would be best for their particular situation.

Patients who need emotional support, psychotherapy, or psychotropic medications may find teletherapy helpful. Guidance for psychiatrists, psychologists, and social workers regarding the treatment of COVID-19 patients via teletherapy can be found on the American Psychiatric Association, the American Psychological Association, and the National Association of Social Workers websites.

Pharmacists can also help ensure patient safety, Dr. Stebbins said.

If a patient has not picked up their usual medications, Dr. Stebbins said, “they may need a check-in call. Some may be ill and alone and may need encouragement to seek medical attention, and some may have no means of getting to the pharmacy and may need medications delivered.”

A home healthcare agency may also be helpful for homebound patients. David Bersson, director of operations at Synergy Home Care of Bergen County, N.J., has arranged in-home caregivers for patients with COVID-19.

The amount of care that professional caregivers provide can range from several hours per week to full-time, depending on the patient’s needs and budget, and can include companionship, Mr. Bersson said in an interview.

Because patient and caregiver safety are paramount, caregivers are thoroughly trained in protection and decontamination procedures and are regularly tested for COVID-19 prior to being sent into a client’s home.

Health insurance companies do not cover this service, Mr. Bersson noted, but the VetAssist program covers home care for veterans and their spouses who meet income requirements.

Caregiving and companionship are both vital pieces of the at-home care puzzle. “It was the virtual emotional support I got from friends, family, coworkers, and healthcare professionals that meant so much to me, and I know they played an important part in my recovery,” Dr. Stebbins said.

Dr. LeRoy agreed, noting that he calls patients, even if they only have mild symptoms and his nurse has already spoken to them. “The call doesn’t take much time – maybe just a 5-minute conversation – but it makes patients aware that I care.”

Dr. Stebbins, Dr. Exline, and Dr. LeRoy report no relevant financial relationships. Mr. Bersson is the director of operations at Synergy Home Care of Bergen County, New Jersey.

This story first appeared on Medscape.com.

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Medscape Article

EXPLORER trial hints at potential new drug option in obstructive hypertrophic cardiomyopathy

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An investigational drug that targets part of the molecular machinery underlying obstructive hypertrophic cardiomyopathy (HCM) can improve both symptoms and functional status in patients with the genetic disorder, suggests a placebo-controlled phase 3 trial.

Dr. Iacopo Olivotto

Treatment with mavacamten (MyoKardia) worked partly by alleviating high-pressure gradients in the left ventricular outflow tract (LVOT), a key characteristic of obstructive HCM. Its effects appeared consistent across a wide range of objective and patient-assessed endpoints.

Mavacamten is “the first potential medical therapy addressing the underlying biology of symptoms in hypertrophic obstructive cardiomyopathy,” observed Iacopo Olivotto, MD, Careggi University Hospital, Florence, Italy.

Patients in the EXPLORER-HCM trial who took the new drug showed improvements in “every aspect of objective performance and subjective well-being,” Dr. Olivotto said at a preview for journalists before his formal online presentation of the results during the virtual European Society of Cardiology Congress 2020, staged in lieu of the traditional annual meeting because of the COVID-19 pandemic.

Dr. Olivotto, also lead author on the study’s same-day publication in The Lancet, was exuberant about the findings. “It is really hard to convey what this actually means for a scientific and clinical community that has spent over 60 years trying to understand and cure hypertrophic cardiomyopathy.”

MyoKardia released abbreviated top-line results of EXPLORER-HCM in May, which were reported by theheart.org | Medscape Cardiology at the time.

“I think it’s pretty exciting. We certainly need more and better drugs for this patient population,” Arnon Adler, MD, who is not associated with the trial but follows HCM at the Peter Munk Cardiac Centre, Toronto General Hospital, said in an interview.

 


The trial compared the new drug to placebo rather than full contemporary drug therapy for obstructive HCM, Adler cautioned, and had a fairly short follow-up time. But he was impressed that mavacamten’s apparent benefits seemed consistent not only for endpoints like change in New York Heart Association (NYHA) functional class and quality of life but also for more objective measures like peak VO2 and LVOT gradients.

“I think the results were promising across the board,” he told.
 

Unique mechanism of action

Mavacamten is described as a first-in-class, small-molecule, selective allosteric inhibitor of cardiac myosin adenosine triphosphatase that addresses the underlying pathophysiology of HCM by reducing actin–myosin cross-bridge formation. It thereby inhibits the excessive myocyte contractility that is a key mechanism of the disorder’s tell-tale hypertrophy, something the available HCM drug therapies don’t do.

Almost three-fourths of patients in the trial were initially in NYHA class 2. Such patients in practice tend to be treated pharmacologically, with more invasive but generally effective surgical myectomy and alcohol septal ablation performed more often for patients in NYHA class 3.

“In the EXPLORER-HCM trial, patients enrolled did not have any immediate indication for surgery,” although many of them in NYHA class 2 would likely progress to NYHA 3, Dr. Olivotto said in an interview.

Based on the trial, he said, it’s possible that mavacamten could lead to “earlier and broader treatment of obstruction symptoms in patients who would never have qualified for surgery in the first place because their symptoms may not be severe enough, but they are still limited.”

Notably, the published report notes, 27% of patients taking mavacamten achieved what was defined as a complete response – that is, a reduction of all LVOT gradients to less than 30 mm Hg in the total absence of symptoms.

Only 1% of patients in the placebo-treated control group met that goal, “showing that mavacamten might be capable of achieving marked relief of symptoms and LVOT obstruction,” the report states.

In the trial, “treatment with mavacamten led to clinically meaningful improvements in hemodynamic status, functional capacity, and subjective well-being in patients with obstructive hypertrophic cardiomyopathy,” agrees an editorial accompanying the EXPLORER-HCM publication.

Mavacamten might even compare favorably to surgery and ablative therapy, speculated the editorialists, Michael Papadakis, MBBS, MD, and colleagues of St. George’s University Hospitals NHS Foundation Trust, London. The drug appeared to reduce the peak LVOT gradient “to less than the guideline-based threshold for septal reduction therapy, 50 mm Hg, in 74% of patients, compared with 21% in the placebo group, indicating that mavacamten could represent a valid alternative to highly specialized invasive therapy,” they wrote.
 

 

 

Standard drug therapy

“There are approved drugs for obstructive hypertrophic cardiomyopathy, but they are ancient and were developed for other diseases,” observed Dr. Olivotto at the media briefing. Those drug options – primarily beta-blockers, nondihydropyridine calcium-channel blockers, and the sodium-channel blocker disopyramide – are often ineffective or cause onerous side effects, he said.

Notably in EXPLORER-HCM, patients in both the mavacamten and placebo groups could also be receiving beta-blockers and calcium-channel blockers, but no one in the trial could be receiving disopyramide, which can prolong the QT interval.

“By design,” mavacamten wasn’t compared to disopyramide, “a much more potent drug for lowering gradient and improving symptoms than beta-blockers or calcium-channel blockers,” said Martin S. Maron, MD, medical director at the Hypertrophic Cardiomyopathy Center and Research Institute, Tufts Medical Center, Boston.

Therefore, the trial’s results can’t be extrapolated to conclude that the new drug is superior to disopyramide “or the gold standard, surgical myectomy,” he said in an interview.

Dr. Adler agreed that observational studies suggest a benefit from disopyramide that may rival the apparent effect of mavacamten. “But of course, you can’t make direct comparisons because we never had a study like this for disopyramide.” Because it has many side effects and limitations, “it’s not a drug that I like using, but it is beneficial for some patients and I do use it quite a bit.”

What EXPLORER-HCM does seem to show, Dr. Maron said, “is that the mechanism of action of the drug does seem to play out. It lowers gradients in a pretty reliable and powerful way, and that translates into clinical improvement in many patients. So it starts to support the idea that this drug and the class of drugs, myosin inhibitors, may represent another medical therapy option for symptomatic obstructive HCM.”

And, he pointed out, about one-fifth of patients with obstructive HCM don’t respond to disopyramide with fewer symptoms, and in others the drug “starts to lose efficacy over time.” So disopyramide has limitations, and EXPLORER-HCM “provides the possibility of an additional drug option.”

EXPLORER-HCM randomly assigned 251 adults with obstructive HCM in 13 countries to receive mavacamten, titrated from a starting dosage of 5 mg/day to a possible 15 mg/day or to placebo for 30 weeks.

The patients were required to have a peak LVOT gradient at least 50 mm Hg, a left ventricular ejection fraction (LVEF) of at least 55%, and symptoms indicating NYHA class 2 or 3; ultimately, 73% started the trial in NYHA class 2.

In the intention-to-treat analysis, 36.6% of patients receiving mavacamten and 17.2% of control patients met the composite primary endpoint (P = .0005), which consisted of either a 1.5–mL/kg per minute or greater improvement in peak oxygen consumption (pVO2) and at least a one-step reduction in NYHA functional class or at least a 3.0–mL/kg per minute pVO2 increase without deterioration in NYHA class, by week 30.

Medscape.com


Patients receiving mavacamten also showed greater improvement in the individual endpoints of postexercise LVOT gradient, NYHA class, and two score-based symptom assessments – the Kansas City Cardiomyopathy Questionnaire-Clinical Summary and Hypertrophic Cardiomyopathy Symptom Questionnaire Shortness-of-Breath domain – compared with control patients.

Safety and tolerability issues were similar in both groups, the reports notes. Ten patients in the mavacamten group reported 11 serious adverse events, compared with 20 such events reported by 11 patients in the control group. 

“We can say from these results that mavacamten is a promising drug for symptom relief and functional class improvement associated with outflow gradient reduction in selected patients with hypertrophic obstructive cardiomyopathy,” and that, on the basis of this trial, it has potential as a drug of first choice, Franco Cecchi, MD, University of Florence (Italy), said as an invited discussant following Dr. Olivotto’s formal presentation of the trial.

Although serious adverse events were few, it was noteworthy that seven patients receiving mavacamten but only two patients receiving placebo showed LVEF reductions to below the 50% threshold during the trial, Dr. Cecchi observed. The LVEFs normalized once the drug was discontinued, but still, it may mean that mavacamten should be carefully uptitrated according to LVEF, he said.

Those LVEF reductions raise questions about “the reliability of being able to dose patients safely in the outpatient setting,” Dr. Maron said. “You have to ask, ‘Can this be extrapolated to the general practicing community without patients dropping their ejection fractions too much?’ ”

In addition, “we don’t have any idea about long-term efficacy for this drug, and we can draw very limited information about long-term safety here as well. That’s another other question mark,” Dr. Maron said.

“If I could have patients really become asymptomatic or mildly symptomatic without any surgery on a drug that is safe and can be taken for a prolonged period of time, that would be great,” Dr. Adler added. He noted that long-term follow-up of patients taking mavacamten in various trials has been underway and should help answer safety and efficacy questions about chronic therapy.

“Should mavacamten prove to be clinically effective and safe following long-term therapy in a larger and more diverse population, it would represent a much anticipated development in the treatment of hypertrophic cardiomyopathy,” the accompanying editorial states.

“Were the drug to realise its potential as a disease-modifying therapy in younger individuals, it would represent a great milestone in the area of inherited cardiomyopathies.”

MyoKardia funded EXPLORER-HCM. Dr. Olivotto discloses receiving grants from MyoKardia, Sanofi-Genzyme, Shire, Amicus, and Bayer; honoraria from Sanofi-Genzyme, Shire, and Bayer; and payments for consulting from MyoKardia. Disclosures for the other authors are in the report. Dr. Papadakis and the other editorialists report that they have no competing interests. Dr. Adler had no disclosures. Dr. Maron discloses consulting for and serving on a trial steering committee for Cytokinetics, sponsor of the 60-patient phase 2 placebo-controlled trial REDWOOD-HCM of patients with obstructive HCM treated with CK-3773274, a drug that works by a mechanism similar to that of mavacamten.

A version of this article originally appeared on Medscape.com.

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An investigational drug that targets part of the molecular machinery underlying obstructive hypertrophic cardiomyopathy (HCM) can improve both symptoms and functional status in patients with the genetic disorder, suggests a placebo-controlled phase 3 trial.

Dr. Iacopo Olivotto

Treatment with mavacamten (MyoKardia) worked partly by alleviating high-pressure gradients in the left ventricular outflow tract (LVOT), a key characteristic of obstructive HCM. Its effects appeared consistent across a wide range of objective and patient-assessed endpoints.

Mavacamten is “the first potential medical therapy addressing the underlying biology of symptoms in hypertrophic obstructive cardiomyopathy,” observed Iacopo Olivotto, MD, Careggi University Hospital, Florence, Italy.

Patients in the EXPLORER-HCM trial who took the new drug showed improvements in “every aspect of objective performance and subjective well-being,” Dr. Olivotto said at a preview for journalists before his formal online presentation of the results during the virtual European Society of Cardiology Congress 2020, staged in lieu of the traditional annual meeting because of the COVID-19 pandemic.

Dr. Olivotto, also lead author on the study’s same-day publication in The Lancet, was exuberant about the findings. “It is really hard to convey what this actually means for a scientific and clinical community that has spent over 60 years trying to understand and cure hypertrophic cardiomyopathy.”

MyoKardia released abbreviated top-line results of EXPLORER-HCM in May, which were reported by theheart.org | Medscape Cardiology at the time.

“I think it’s pretty exciting. We certainly need more and better drugs for this patient population,” Arnon Adler, MD, who is not associated with the trial but follows HCM at the Peter Munk Cardiac Centre, Toronto General Hospital, said in an interview.

 


The trial compared the new drug to placebo rather than full contemporary drug therapy for obstructive HCM, Adler cautioned, and had a fairly short follow-up time. But he was impressed that mavacamten’s apparent benefits seemed consistent not only for endpoints like change in New York Heart Association (NYHA) functional class and quality of life but also for more objective measures like peak VO2 and LVOT gradients.

“I think the results were promising across the board,” he told.
 

Unique mechanism of action

Mavacamten is described as a first-in-class, small-molecule, selective allosteric inhibitor of cardiac myosin adenosine triphosphatase that addresses the underlying pathophysiology of HCM by reducing actin–myosin cross-bridge formation. It thereby inhibits the excessive myocyte contractility that is a key mechanism of the disorder’s tell-tale hypertrophy, something the available HCM drug therapies don’t do.

Almost three-fourths of patients in the trial were initially in NYHA class 2. Such patients in practice tend to be treated pharmacologically, with more invasive but generally effective surgical myectomy and alcohol septal ablation performed more often for patients in NYHA class 3.

“In the EXPLORER-HCM trial, patients enrolled did not have any immediate indication for surgery,” although many of them in NYHA class 2 would likely progress to NYHA 3, Dr. Olivotto said in an interview.

Based on the trial, he said, it’s possible that mavacamten could lead to “earlier and broader treatment of obstruction symptoms in patients who would never have qualified for surgery in the first place because their symptoms may not be severe enough, but they are still limited.”

Notably, the published report notes, 27% of patients taking mavacamten achieved what was defined as a complete response – that is, a reduction of all LVOT gradients to less than 30 mm Hg in the total absence of symptoms.

Only 1% of patients in the placebo-treated control group met that goal, “showing that mavacamten might be capable of achieving marked relief of symptoms and LVOT obstruction,” the report states.

In the trial, “treatment with mavacamten led to clinically meaningful improvements in hemodynamic status, functional capacity, and subjective well-being in patients with obstructive hypertrophic cardiomyopathy,” agrees an editorial accompanying the EXPLORER-HCM publication.

Mavacamten might even compare favorably to surgery and ablative therapy, speculated the editorialists, Michael Papadakis, MBBS, MD, and colleagues of St. George’s University Hospitals NHS Foundation Trust, London. The drug appeared to reduce the peak LVOT gradient “to less than the guideline-based threshold for septal reduction therapy, 50 mm Hg, in 74% of patients, compared with 21% in the placebo group, indicating that mavacamten could represent a valid alternative to highly specialized invasive therapy,” they wrote.
 

 

 

Standard drug therapy

“There are approved drugs for obstructive hypertrophic cardiomyopathy, but they are ancient and were developed for other diseases,” observed Dr. Olivotto at the media briefing. Those drug options – primarily beta-blockers, nondihydropyridine calcium-channel blockers, and the sodium-channel blocker disopyramide – are often ineffective or cause onerous side effects, he said.

Notably in EXPLORER-HCM, patients in both the mavacamten and placebo groups could also be receiving beta-blockers and calcium-channel blockers, but no one in the trial could be receiving disopyramide, which can prolong the QT interval.

“By design,” mavacamten wasn’t compared to disopyramide, “a much more potent drug for lowering gradient and improving symptoms than beta-blockers or calcium-channel blockers,” said Martin S. Maron, MD, medical director at the Hypertrophic Cardiomyopathy Center and Research Institute, Tufts Medical Center, Boston.

Therefore, the trial’s results can’t be extrapolated to conclude that the new drug is superior to disopyramide “or the gold standard, surgical myectomy,” he said in an interview.

Dr. Adler agreed that observational studies suggest a benefit from disopyramide that may rival the apparent effect of mavacamten. “But of course, you can’t make direct comparisons because we never had a study like this for disopyramide.” Because it has many side effects and limitations, “it’s not a drug that I like using, but it is beneficial for some patients and I do use it quite a bit.”

What EXPLORER-HCM does seem to show, Dr. Maron said, “is that the mechanism of action of the drug does seem to play out. It lowers gradients in a pretty reliable and powerful way, and that translates into clinical improvement in many patients. So it starts to support the idea that this drug and the class of drugs, myosin inhibitors, may represent another medical therapy option for symptomatic obstructive HCM.”

And, he pointed out, about one-fifth of patients with obstructive HCM don’t respond to disopyramide with fewer symptoms, and in others the drug “starts to lose efficacy over time.” So disopyramide has limitations, and EXPLORER-HCM “provides the possibility of an additional drug option.”

EXPLORER-HCM randomly assigned 251 adults with obstructive HCM in 13 countries to receive mavacamten, titrated from a starting dosage of 5 mg/day to a possible 15 mg/day or to placebo for 30 weeks.

The patients were required to have a peak LVOT gradient at least 50 mm Hg, a left ventricular ejection fraction (LVEF) of at least 55%, and symptoms indicating NYHA class 2 or 3; ultimately, 73% started the trial in NYHA class 2.

In the intention-to-treat analysis, 36.6% of patients receiving mavacamten and 17.2% of control patients met the composite primary endpoint (P = .0005), which consisted of either a 1.5–mL/kg per minute or greater improvement in peak oxygen consumption (pVO2) and at least a one-step reduction in NYHA functional class or at least a 3.0–mL/kg per minute pVO2 increase without deterioration in NYHA class, by week 30.

Medscape.com


Patients receiving mavacamten also showed greater improvement in the individual endpoints of postexercise LVOT gradient, NYHA class, and two score-based symptom assessments – the Kansas City Cardiomyopathy Questionnaire-Clinical Summary and Hypertrophic Cardiomyopathy Symptom Questionnaire Shortness-of-Breath domain – compared with control patients.

Safety and tolerability issues were similar in both groups, the reports notes. Ten patients in the mavacamten group reported 11 serious adverse events, compared with 20 such events reported by 11 patients in the control group. 

“We can say from these results that mavacamten is a promising drug for symptom relief and functional class improvement associated with outflow gradient reduction in selected patients with hypertrophic obstructive cardiomyopathy,” and that, on the basis of this trial, it has potential as a drug of first choice, Franco Cecchi, MD, University of Florence (Italy), said as an invited discussant following Dr. Olivotto’s formal presentation of the trial.

Although serious adverse events were few, it was noteworthy that seven patients receiving mavacamten but only two patients receiving placebo showed LVEF reductions to below the 50% threshold during the trial, Dr. Cecchi observed. The LVEFs normalized once the drug was discontinued, but still, it may mean that mavacamten should be carefully uptitrated according to LVEF, he said.

Those LVEF reductions raise questions about “the reliability of being able to dose patients safely in the outpatient setting,” Dr. Maron said. “You have to ask, ‘Can this be extrapolated to the general practicing community without patients dropping their ejection fractions too much?’ ”

In addition, “we don’t have any idea about long-term efficacy for this drug, and we can draw very limited information about long-term safety here as well. That’s another other question mark,” Dr. Maron said.

“If I could have patients really become asymptomatic or mildly symptomatic without any surgery on a drug that is safe and can be taken for a prolonged period of time, that would be great,” Dr. Adler added. He noted that long-term follow-up of patients taking mavacamten in various trials has been underway and should help answer safety and efficacy questions about chronic therapy.

“Should mavacamten prove to be clinically effective and safe following long-term therapy in a larger and more diverse population, it would represent a much anticipated development in the treatment of hypertrophic cardiomyopathy,” the accompanying editorial states.

“Were the drug to realise its potential as a disease-modifying therapy in younger individuals, it would represent a great milestone in the area of inherited cardiomyopathies.”

MyoKardia funded EXPLORER-HCM. Dr. Olivotto discloses receiving grants from MyoKardia, Sanofi-Genzyme, Shire, Amicus, and Bayer; honoraria from Sanofi-Genzyme, Shire, and Bayer; and payments for consulting from MyoKardia. Disclosures for the other authors are in the report. Dr. Papadakis and the other editorialists report that they have no competing interests. Dr. Adler had no disclosures. Dr. Maron discloses consulting for and serving on a trial steering committee for Cytokinetics, sponsor of the 60-patient phase 2 placebo-controlled trial REDWOOD-HCM of patients with obstructive HCM treated with CK-3773274, a drug that works by a mechanism similar to that of mavacamten.

A version of this article originally appeared on Medscape.com.

 

An investigational drug that targets part of the molecular machinery underlying obstructive hypertrophic cardiomyopathy (HCM) can improve both symptoms and functional status in patients with the genetic disorder, suggests a placebo-controlled phase 3 trial.

Dr. Iacopo Olivotto

Treatment with mavacamten (MyoKardia) worked partly by alleviating high-pressure gradients in the left ventricular outflow tract (LVOT), a key characteristic of obstructive HCM. Its effects appeared consistent across a wide range of objective and patient-assessed endpoints.

Mavacamten is “the first potential medical therapy addressing the underlying biology of symptoms in hypertrophic obstructive cardiomyopathy,” observed Iacopo Olivotto, MD, Careggi University Hospital, Florence, Italy.

Patients in the EXPLORER-HCM trial who took the new drug showed improvements in “every aspect of objective performance and subjective well-being,” Dr. Olivotto said at a preview for journalists before his formal online presentation of the results during the virtual European Society of Cardiology Congress 2020, staged in lieu of the traditional annual meeting because of the COVID-19 pandemic.

Dr. Olivotto, also lead author on the study’s same-day publication in The Lancet, was exuberant about the findings. “It is really hard to convey what this actually means for a scientific and clinical community that has spent over 60 years trying to understand and cure hypertrophic cardiomyopathy.”

MyoKardia released abbreviated top-line results of EXPLORER-HCM in May, which were reported by theheart.org | Medscape Cardiology at the time.

“I think it’s pretty exciting. We certainly need more and better drugs for this patient population,” Arnon Adler, MD, who is not associated with the trial but follows HCM at the Peter Munk Cardiac Centre, Toronto General Hospital, said in an interview.

 


The trial compared the new drug to placebo rather than full contemporary drug therapy for obstructive HCM, Adler cautioned, and had a fairly short follow-up time. But he was impressed that mavacamten’s apparent benefits seemed consistent not only for endpoints like change in New York Heart Association (NYHA) functional class and quality of life but also for more objective measures like peak VO2 and LVOT gradients.

“I think the results were promising across the board,” he told.
 

Unique mechanism of action

Mavacamten is described as a first-in-class, small-molecule, selective allosteric inhibitor of cardiac myosin adenosine triphosphatase that addresses the underlying pathophysiology of HCM by reducing actin–myosin cross-bridge formation. It thereby inhibits the excessive myocyte contractility that is a key mechanism of the disorder’s tell-tale hypertrophy, something the available HCM drug therapies don’t do.

Almost three-fourths of patients in the trial were initially in NYHA class 2. Such patients in practice tend to be treated pharmacologically, with more invasive but generally effective surgical myectomy and alcohol septal ablation performed more often for patients in NYHA class 3.

“In the EXPLORER-HCM trial, patients enrolled did not have any immediate indication for surgery,” although many of them in NYHA class 2 would likely progress to NYHA 3, Dr. Olivotto said in an interview.

Based on the trial, he said, it’s possible that mavacamten could lead to “earlier and broader treatment of obstruction symptoms in patients who would never have qualified for surgery in the first place because their symptoms may not be severe enough, but they are still limited.”

Notably, the published report notes, 27% of patients taking mavacamten achieved what was defined as a complete response – that is, a reduction of all LVOT gradients to less than 30 mm Hg in the total absence of symptoms.

Only 1% of patients in the placebo-treated control group met that goal, “showing that mavacamten might be capable of achieving marked relief of symptoms and LVOT obstruction,” the report states.

In the trial, “treatment with mavacamten led to clinically meaningful improvements in hemodynamic status, functional capacity, and subjective well-being in patients with obstructive hypertrophic cardiomyopathy,” agrees an editorial accompanying the EXPLORER-HCM publication.

Mavacamten might even compare favorably to surgery and ablative therapy, speculated the editorialists, Michael Papadakis, MBBS, MD, and colleagues of St. George’s University Hospitals NHS Foundation Trust, London. The drug appeared to reduce the peak LVOT gradient “to less than the guideline-based threshold for septal reduction therapy, 50 mm Hg, in 74% of patients, compared with 21% in the placebo group, indicating that mavacamten could represent a valid alternative to highly specialized invasive therapy,” they wrote.
 

 

 

Standard drug therapy

“There are approved drugs for obstructive hypertrophic cardiomyopathy, but they are ancient and were developed for other diseases,” observed Dr. Olivotto at the media briefing. Those drug options – primarily beta-blockers, nondihydropyridine calcium-channel blockers, and the sodium-channel blocker disopyramide – are often ineffective or cause onerous side effects, he said.

Notably in EXPLORER-HCM, patients in both the mavacamten and placebo groups could also be receiving beta-blockers and calcium-channel blockers, but no one in the trial could be receiving disopyramide, which can prolong the QT interval.

“By design,” mavacamten wasn’t compared to disopyramide, “a much more potent drug for lowering gradient and improving symptoms than beta-blockers or calcium-channel blockers,” said Martin S. Maron, MD, medical director at the Hypertrophic Cardiomyopathy Center and Research Institute, Tufts Medical Center, Boston.

Therefore, the trial’s results can’t be extrapolated to conclude that the new drug is superior to disopyramide “or the gold standard, surgical myectomy,” he said in an interview.

Dr. Adler agreed that observational studies suggest a benefit from disopyramide that may rival the apparent effect of mavacamten. “But of course, you can’t make direct comparisons because we never had a study like this for disopyramide.” Because it has many side effects and limitations, “it’s not a drug that I like using, but it is beneficial for some patients and I do use it quite a bit.”

What EXPLORER-HCM does seem to show, Dr. Maron said, “is that the mechanism of action of the drug does seem to play out. It lowers gradients in a pretty reliable and powerful way, and that translates into clinical improvement in many patients. So it starts to support the idea that this drug and the class of drugs, myosin inhibitors, may represent another medical therapy option for symptomatic obstructive HCM.”

And, he pointed out, about one-fifth of patients with obstructive HCM don’t respond to disopyramide with fewer symptoms, and in others the drug “starts to lose efficacy over time.” So disopyramide has limitations, and EXPLORER-HCM “provides the possibility of an additional drug option.”

EXPLORER-HCM randomly assigned 251 adults with obstructive HCM in 13 countries to receive mavacamten, titrated from a starting dosage of 5 mg/day to a possible 15 mg/day or to placebo for 30 weeks.

The patients were required to have a peak LVOT gradient at least 50 mm Hg, a left ventricular ejection fraction (LVEF) of at least 55%, and symptoms indicating NYHA class 2 or 3; ultimately, 73% started the trial in NYHA class 2.

In the intention-to-treat analysis, 36.6% of patients receiving mavacamten and 17.2% of control patients met the composite primary endpoint (P = .0005), which consisted of either a 1.5–mL/kg per minute or greater improvement in peak oxygen consumption (pVO2) and at least a one-step reduction in NYHA functional class or at least a 3.0–mL/kg per minute pVO2 increase without deterioration in NYHA class, by week 30.

Medscape.com


Patients receiving mavacamten also showed greater improvement in the individual endpoints of postexercise LVOT gradient, NYHA class, and two score-based symptom assessments – the Kansas City Cardiomyopathy Questionnaire-Clinical Summary and Hypertrophic Cardiomyopathy Symptom Questionnaire Shortness-of-Breath domain – compared with control patients.

Safety and tolerability issues were similar in both groups, the reports notes. Ten patients in the mavacamten group reported 11 serious adverse events, compared with 20 such events reported by 11 patients in the control group. 

“We can say from these results that mavacamten is a promising drug for symptom relief and functional class improvement associated with outflow gradient reduction in selected patients with hypertrophic obstructive cardiomyopathy,” and that, on the basis of this trial, it has potential as a drug of first choice, Franco Cecchi, MD, University of Florence (Italy), said as an invited discussant following Dr. Olivotto’s formal presentation of the trial.

Although serious adverse events were few, it was noteworthy that seven patients receiving mavacamten but only two patients receiving placebo showed LVEF reductions to below the 50% threshold during the trial, Dr. Cecchi observed. The LVEFs normalized once the drug was discontinued, but still, it may mean that mavacamten should be carefully uptitrated according to LVEF, he said.

Those LVEF reductions raise questions about “the reliability of being able to dose patients safely in the outpatient setting,” Dr. Maron said. “You have to ask, ‘Can this be extrapolated to the general practicing community without patients dropping their ejection fractions too much?’ ”

In addition, “we don’t have any idea about long-term efficacy for this drug, and we can draw very limited information about long-term safety here as well. That’s another other question mark,” Dr. Maron said.

“If I could have patients really become asymptomatic or mildly symptomatic without any surgery on a drug that is safe and can be taken for a prolonged period of time, that would be great,” Dr. Adler added. He noted that long-term follow-up of patients taking mavacamten in various trials has been underway and should help answer safety and efficacy questions about chronic therapy.

“Should mavacamten prove to be clinically effective and safe following long-term therapy in a larger and more diverse population, it would represent a much anticipated development in the treatment of hypertrophic cardiomyopathy,” the accompanying editorial states.

“Were the drug to realise its potential as a disease-modifying therapy in younger individuals, it would represent a great milestone in the area of inherited cardiomyopathies.”

MyoKardia funded EXPLORER-HCM. Dr. Olivotto discloses receiving grants from MyoKardia, Sanofi-Genzyme, Shire, Amicus, and Bayer; honoraria from Sanofi-Genzyme, Shire, and Bayer; and payments for consulting from MyoKardia. Disclosures for the other authors are in the report. Dr. Papadakis and the other editorialists report that they have no competing interests. Dr. Adler had no disclosures. Dr. Maron discloses consulting for and serving on a trial steering committee for Cytokinetics, sponsor of the 60-patient phase 2 placebo-controlled trial REDWOOD-HCM of patients with obstructive HCM treated with CK-3773274, a drug that works by a mechanism similar to that of mavacamten.

A version of this article originally appeared on Medscape.com.

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EMPEROR-Reduced: Empagliflozin’s HFrEF benefit solidifies class effects

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The SGLT2 inhibitor drug class solidified its role as a major, new treatment for patients with heart failure with reduced ejection fraction and no diabetes, with results from a second large, controlled trial showing clear efficacy and safety in this population.

Dr. Milton Packer

Patients with heart failure with reduced ejection fraction (HFrEF) treated with the sodium glucose cotransporter 2 (SGLT2) inhibitor empagliflozin (Jardiance) had a statistically significant 25% relative cut in their incidence of cardiovascular death or first heart failure hospitalization, compared with placebo-treated controls when added on top of standard HFrEF treatment, and this benefit was consistent regardless of whether the treated patients also had type 2 diabetes, Milton Packer, MD, reported at the virtual annual congress of the European Society of Cardiology.

This 25% drop in the primary endpoint with empagliflozin treatment in the EMPEROR-Reduced trial exactly matched the cut in incidence of cardiovascular death or heart failure hospitalization produced by treatment with a another SGLT2 inhibitor, dapagliflozin (Farxiga), in the DAPA-HF trial (N Engl J Med. 2019 Nov 21;381[21]:1995-2008).

The performance of these two SGLT2 inhibitors was “incredibly consistent” across the their respective trials run in HFrEF patients with and without type 2 diabetes, and the combined evidence base of the two trials makes for “really compelling evidence” of both safety and efficacy that should prompt a change to U.S. practice, with both of these drugs forming a new cornerstone of HFrEF treatment, Dr. Packer said.
 

Results plant drug class firmly as HFrEF treatment

Dr. Packer stressed in his presentation that optimal treatment of patients with HFrEF now demands use of one of these two SGLT2 inhibitors, as well as sacubitril plus valsartan (Entresto), a beta-blocker, and a mineralocorticoid receptor antagonist, plus a diuretic as a fifth drug class for the many HFrEF patients who also need treatment for fluid overload. He further advocated for rapid introduction of these four cornerstone agents with proven survival benefits once a patient receives a HFrEF diagnosis, suggesting that sacubitril plus valsartan, an SGLT2 inhibitor, a beta-blocker, and a mineralocorticoid receptor antagonist could all be initiated within 6 weeks or less while acknowledging that optimal up-titration of the beta-blocker would likely take longer.

The order in which a patient starts these drugs shouldn’t matter, and there currently seems to be no evidence that clearly points toward using either dapagliflozin or empagliflozin over the other, Dr. Packer added.

Dr. Athena Poppas

In recognition of the importance of sending a message to heart failure clinicians about the newly proven efficacy of SGLT2 inhibitors in HFrEF patients, the American College of Cardiology and American Heart Association are now drafting an “expert decision pathway” to help clinicians as they enter this new prescribing space. This interim guidance should come out before the end of 2020, prior to release of fully revised HFrEF management guidelines in 2021, said Athena Poppas, MD, president of the ACC, in an interview.

“There is clearly need for education” that can help guide physicians who care for HFrEF patients on how to introduce an SGLT2 inhibitor along with the additional, lengthy list of drug classes proven to benefit these patients, noted Dr. Poppas, who is also a professor and chief of cardiology at the Brown University in Providence, R.I. Physicians may find that they need extra backup for successfully starting both sacubitril plus valsartan and an SGLT2 inhibitor in HFrEF patients because recent history has shown substantial pushback from third-party payers in reimbursing for these relatively expensive drugs, Dr. Poppas noted. She added that this is a problem that may be compounded when patients should ideally get both drug classes.

Dr. Christopher M. O'Connor

Physicians who care for heart failure patients have their own history of dragging their feet when adding new drugs to the regimens HFrEF patients receive. The angiotensin converting enzyme inhibitors and beta-blockers took about 17 years each to start reaching a majority of U.S. HFrEF patients, and sacubitril plus valsartan is now used on perhaps a quarter to a third of HFrEF patients despite receiving Food and Drug Administration approval for these patients in mid 2015, noted Christopher M. O’Connor, MD, a heart failure specialist and president of the Inova Heart and Vascular Institute in Fairfax, Va.

Despite dapagliflozin receiving FDA approval in May 2020 for treating HFrEF in patients without diabetes, early uptake in U.S. practice has been very slow, with findings from large U.S. patient registries suggesting that perhaps 1% of suitable HFrEF patients currently get the drug, estimated Dr. O’Connor in an interview.


Given how strong the evidence now is for benefit and safety from dapagliflozin and empagliflozin, it may take as little as 5 years to reach greater than 50% penetration of one of these drugs into U.S. HFrEF patient populations, suggested Dr. Packer, a distinguished scholar in cardiovascular science at Baylor University Medical Center in Dallas.
 

 

 

EMPEROR-Reduced outcomes

The road to routine use of these SGLT2 inhibitor drugs should be hastened by empagliflozin’s impressive performance in EMPEROR-Reduced, in which the drug scored highly significant benefits over placebo for the prespecified primary and two major secondary endpoints, one of which was a measure of preserved renal function.

The trial randomized 3,730 patients at 520 sites in 20 countries during 2017-2019 and followed them on treatment for a median of 16 months. All patients had a left ventricular ejection fraction of 40% or less, and roughly three-quarters had New York Heart Association (NYHA) class II function, nearly one-quarter had class III function, and fewer than 1% of patients fell into the class IV category.

The primary endpoint occurred in 19% of the empagliflozin-treated patients and in 25% of those who received placebo. Among the half of patients with diabetes in the trial, the relative risk reduction by empagliflozin compared with placebo was a statistically significant 28%; among those without diabetes, it was a statistically significant 22%. Concurrently with Dr. Packer’s report, the results appeared in an article posted online (N Engl J Med. 2020 Aug 29. doi: 10.1056/NEJMoa2022190).

The study also had two main prespecified secondary endpoints: the incidence of total hospitalizations for heart failure, both first and recurrent, which fell by 30% in the empagliflozin-treated patients, compared with placebo, and the rate of declining renal function during the 16 months of the study as measured by estimated glomerular filtration rate, which dropped by roughly 1 mL/min per 1.73 m2 among the empagliflozin recipients and by about 4 mL/min/ per 1.73 m2 in the placebo patients.

Treatment with empagliflozin also achieved a notable, statistically significant 50% drop in major adverse renal events, consistent with the performance of other drugs in the class.

“Renal protection is a big plus” of empagliflozin in this trial and from the other SGLT2 inhibitors in prior studies, noted Dr. O’Connor.

The EMPEROR-Reduced results also showed an important benefit for HFrEF patients from empagliflozin not previously seen as quickly with any other drug class, noted Dr. Packer. The SGLT2 inhibitor led to statistically a significant slowing in the progression of patients from NYHA class II function to class III, compared with placebo, and it also significantly promoted the recovery of patients from NYHA class III to class II, an effect that became apparent within the first month on treatment and a benefit that is a “big deal” for patients because it represents a “significant change in functional capacity.” This additional dimension of empagliflozin’s benefit “really impressed me,” Dr. Packer said.

EMPEROR-Reduced was funded by Boehringer Ingelheim and Eli Lilly, the companies that market empagliflozin. Dr. Packer has received personal fees from Boehringer Ingelheim and Eli Lilly and from several other companies. Dr. Poppas and Dr. O’Connor had no relevant disclosures.
 

SOURCE: Packer M. ESC 2020. N Engl J Med. 2020 Aug 29. doi: 10.1056/NEJMoa2022190.

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The SGLT2 inhibitor drug class solidified its role as a major, new treatment for patients with heart failure with reduced ejection fraction and no diabetes, with results from a second large, controlled trial showing clear efficacy and safety in this population.

Dr. Milton Packer

Patients with heart failure with reduced ejection fraction (HFrEF) treated with the sodium glucose cotransporter 2 (SGLT2) inhibitor empagliflozin (Jardiance) had a statistically significant 25% relative cut in their incidence of cardiovascular death or first heart failure hospitalization, compared with placebo-treated controls when added on top of standard HFrEF treatment, and this benefit was consistent regardless of whether the treated patients also had type 2 diabetes, Milton Packer, MD, reported at the virtual annual congress of the European Society of Cardiology.

This 25% drop in the primary endpoint with empagliflozin treatment in the EMPEROR-Reduced trial exactly matched the cut in incidence of cardiovascular death or heart failure hospitalization produced by treatment with a another SGLT2 inhibitor, dapagliflozin (Farxiga), in the DAPA-HF trial (N Engl J Med. 2019 Nov 21;381[21]:1995-2008).

The performance of these two SGLT2 inhibitors was “incredibly consistent” across the their respective trials run in HFrEF patients with and without type 2 diabetes, and the combined evidence base of the two trials makes for “really compelling evidence” of both safety and efficacy that should prompt a change to U.S. practice, with both of these drugs forming a new cornerstone of HFrEF treatment, Dr. Packer said.
 

Results plant drug class firmly as HFrEF treatment

Dr. Packer stressed in his presentation that optimal treatment of patients with HFrEF now demands use of one of these two SGLT2 inhibitors, as well as sacubitril plus valsartan (Entresto), a beta-blocker, and a mineralocorticoid receptor antagonist, plus a diuretic as a fifth drug class for the many HFrEF patients who also need treatment for fluid overload. He further advocated for rapid introduction of these four cornerstone agents with proven survival benefits once a patient receives a HFrEF diagnosis, suggesting that sacubitril plus valsartan, an SGLT2 inhibitor, a beta-blocker, and a mineralocorticoid receptor antagonist could all be initiated within 6 weeks or less while acknowledging that optimal up-titration of the beta-blocker would likely take longer.

The order in which a patient starts these drugs shouldn’t matter, and there currently seems to be no evidence that clearly points toward using either dapagliflozin or empagliflozin over the other, Dr. Packer added.

Dr. Athena Poppas

In recognition of the importance of sending a message to heart failure clinicians about the newly proven efficacy of SGLT2 inhibitors in HFrEF patients, the American College of Cardiology and American Heart Association are now drafting an “expert decision pathway” to help clinicians as they enter this new prescribing space. This interim guidance should come out before the end of 2020, prior to release of fully revised HFrEF management guidelines in 2021, said Athena Poppas, MD, president of the ACC, in an interview.

“There is clearly need for education” that can help guide physicians who care for HFrEF patients on how to introduce an SGLT2 inhibitor along with the additional, lengthy list of drug classes proven to benefit these patients, noted Dr. Poppas, who is also a professor and chief of cardiology at the Brown University in Providence, R.I. Physicians may find that they need extra backup for successfully starting both sacubitril plus valsartan and an SGLT2 inhibitor in HFrEF patients because recent history has shown substantial pushback from third-party payers in reimbursing for these relatively expensive drugs, Dr. Poppas noted. She added that this is a problem that may be compounded when patients should ideally get both drug classes.

Dr. Christopher M. O'Connor

Physicians who care for heart failure patients have their own history of dragging their feet when adding new drugs to the regimens HFrEF patients receive. The angiotensin converting enzyme inhibitors and beta-blockers took about 17 years each to start reaching a majority of U.S. HFrEF patients, and sacubitril plus valsartan is now used on perhaps a quarter to a third of HFrEF patients despite receiving Food and Drug Administration approval for these patients in mid 2015, noted Christopher M. O’Connor, MD, a heart failure specialist and president of the Inova Heart and Vascular Institute in Fairfax, Va.

Despite dapagliflozin receiving FDA approval in May 2020 for treating HFrEF in patients without diabetes, early uptake in U.S. practice has been very slow, with findings from large U.S. patient registries suggesting that perhaps 1% of suitable HFrEF patients currently get the drug, estimated Dr. O’Connor in an interview.


Given how strong the evidence now is for benefit and safety from dapagliflozin and empagliflozin, it may take as little as 5 years to reach greater than 50% penetration of one of these drugs into U.S. HFrEF patient populations, suggested Dr. Packer, a distinguished scholar in cardiovascular science at Baylor University Medical Center in Dallas.
 

 

 

EMPEROR-Reduced outcomes

The road to routine use of these SGLT2 inhibitor drugs should be hastened by empagliflozin’s impressive performance in EMPEROR-Reduced, in which the drug scored highly significant benefits over placebo for the prespecified primary and two major secondary endpoints, one of which was a measure of preserved renal function.

The trial randomized 3,730 patients at 520 sites in 20 countries during 2017-2019 and followed them on treatment for a median of 16 months. All patients had a left ventricular ejection fraction of 40% or less, and roughly three-quarters had New York Heart Association (NYHA) class II function, nearly one-quarter had class III function, and fewer than 1% of patients fell into the class IV category.

The primary endpoint occurred in 19% of the empagliflozin-treated patients and in 25% of those who received placebo. Among the half of patients with diabetes in the trial, the relative risk reduction by empagliflozin compared with placebo was a statistically significant 28%; among those without diabetes, it was a statistically significant 22%. Concurrently with Dr. Packer’s report, the results appeared in an article posted online (N Engl J Med. 2020 Aug 29. doi: 10.1056/NEJMoa2022190).

The study also had two main prespecified secondary endpoints: the incidence of total hospitalizations for heart failure, both first and recurrent, which fell by 30% in the empagliflozin-treated patients, compared with placebo, and the rate of declining renal function during the 16 months of the study as measured by estimated glomerular filtration rate, which dropped by roughly 1 mL/min per 1.73 m2 among the empagliflozin recipients and by about 4 mL/min/ per 1.73 m2 in the placebo patients.

Treatment with empagliflozin also achieved a notable, statistically significant 50% drop in major adverse renal events, consistent with the performance of other drugs in the class.

“Renal protection is a big plus” of empagliflozin in this trial and from the other SGLT2 inhibitors in prior studies, noted Dr. O’Connor.

The EMPEROR-Reduced results also showed an important benefit for HFrEF patients from empagliflozin not previously seen as quickly with any other drug class, noted Dr. Packer. The SGLT2 inhibitor led to statistically a significant slowing in the progression of patients from NYHA class II function to class III, compared with placebo, and it also significantly promoted the recovery of patients from NYHA class III to class II, an effect that became apparent within the first month on treatment and a benefit that is a “big deal” for patients because it represents a “significant change in functional capacity.” This additional dimension of empagliflozin’s benefit “really impressed me,” Dr. Packer said.

EMPEROR-Reduced was funded by Boehringer Ingelheim and Eli Lilly, the companies that market empagliflozin. Dr. Packer has received personal fees from Boehringer Ingelheim and Eli Lilly and from several other companies. Dr. Poppas and Dr. O’Connor had no relevant disclosures.
 

SOURCE: Packer M. ESC 2020. N Engl J Med. 2020 Aug 29. doi: 10.1056/NEJMoa2022190.

 

The SGLT2 inhibitor drug class solidified its role as a major, new treatment for patients with heart failure with reduced ejection fraction and no diabetes, with results from a second large, controlled trial showing clear efficacy and safety in this population.

Dr. Milton Packer

Patients with heart failure with reduced ejection fraction (HFrEF) treated with the sodium glucose cotransporter 2 (SGLT2) inhibitor empagliflozin (Jardiance) had a statistically significant 25% relative cut in their incidence of cardiovascular death or first heart failure hospitalization, compared with placebo-treated controls when added on top of standard HFrEF treatment, and this benefit was consistent regardless of whether the treated patients also had type 2 diabetes, Milton Packer, MD, reported at the virtual annual congress of the European Society of Cardiology.

This 25% drop in the primary endpoint with empagliflozin treatment in the EMPEROR-Reduced trial exactly matched the cut in incidence of cardiovascular death or heart failure hospitalization produced by treatment with a another SGLT2 inhibitor, dapagliflozin (Farxiga), in the DAPA-HF trial (N Engl J Med. 2019 Nov 21;381[21]:1995-2008).

The performance of these two SGLT2 inhibitors was “incredibly consistent” across the their respective trials run in HFrEF patients with and without type 2 diabetes, and the combined evidence base of the two trials makes for “really compelling evidence” of both safety and efficacy that should prompt a change to U.S. practice, with both of these drugs forming a new cornerstone of HFrEF treatment, Dr. Packer said.
 

Results plant drug class firmly as HFrEF treatment

Dr. Packer stressed in his presentation that optimal treatment of patients with HFrEF now demands use of one of these two SGLT2 inhibitors, as well as sacubitril plus valsartan (Entresto), a beta-blocker, and a mineralocorticoid receptor antagonist, plus a diuretic as a fifth drug class for the many HFrEF patients who also need treatment for fluid overload. He further advocated for rapid introduction of these four cornerstone agents with proven survival benefits once a patient receives a HFrEF diagnosis, suggesting that sacubitril plus valsartan, an SGLT2 inhibitor, a beta-blocker, and a mineralocorticoid receptor antagonist could all be initiated within 6 weeks or less while acknowledging that optimal up-titration of the beta-blocker would likely take longer.

The order in which a patient starts these drugs shouldn’t matter, and there currently seems to be no evidence that clearly points toward using either dapagliflozin or empagliflozin over the other, Dr. Packer added.

Dr. Athena Poppas

In recognition of the importance of sending a message to heart failure clinicians about the newly proven efficacy of SGLT2 inhibitors in HFrEF patients, the American College of Cardiology and American Heart Association are now drafting an “expert decision pathway” to help clinicians as they enter this new prescribing space. This interim guidance should come out before the end of 2020, prior to release of fully revised HFrEF management guidelines in 2021, said Athena Poppas, MD, president of the ACC, in an interview.

“There is clearly need for education” that can help guide physicians who care for HFrEF patients on how to introduce an SGLT2 inhibitor along with the additional, lengthy list of drug classes proven to benefit these patients, noted Dr. Poppas, who is also a professor and chief of cardiology at the Brown University in Providence, R.I. Physicians may find that they need extra backup for successfully starting both sacubitril plus valsartan and an SGLT2 inhibitor in HFrEF patients because recent history has shown substantial pushback from third-party payers in reimbursing for these relatively expensive drugs, Dr. Poppas noted. She added that this is a problem that may be compounded when patients should ideally get both drug classes.

Dr. Christopher M. O'Connor

Physicians who care for heart failure patients have their own history of dragging their feet when adding new drugs to the regimens HFrEF patients receive. The angiotensin converting enzyme inhibitors and beta-blockers took about 17 years each to start reaching a majority of U.S. HFrEF patients, and sacubitril plus valsartan is now used on perhaps a quarter to a third of HFrEF patients despite receiving Food and Drug Administration approval for these patients in mid 2015, noted Christopher M. O’Connor, MD, a heart failure specialist and president of the Inova Heart and Vascular Institute in Fairfax, Va.

Despite dapagliflozin receiving FDA approval in May 2020 for treating HFrEF in patients without diabetes, early uptake in U.S. practice has been very slow, with findings from large U.S. patient registries suggesting that perhaps 1% of suitable HFrEF patients currently get the drug, estimated Dr. O’Connor in an interview.


Given how strong the evidence now is for benefit and safety from dapagliflozin and empagliflozin, it may take as little as 5 years to reach greater than 50% penetration of one of these drugs into U.S. HFrEF patient populations, suggested Dr. Packer, a distinguished scholar in cardiovascular science at Baylor University Medical Center in Dallas.
 

 

 

EMPEROR-Reduced outcomes

The road to routine use of these SGLT2 inhibitor drugs should be hastened by empagliflozin’s impressive performance in EMPEROR-Reduced, in which the drug scored highly significant benefits over placebo for the prespecified primary and two major secondary endpoints, one of which was a measure of preserved renal function.

The trial randomized 3,730 patients at 520 sites in 20 countries during 2017-2019 and followed them on treatment for a median of 16 months. All patients had a left ventricular ejection fraction of 40% or less, and roughly three-quarters had New York Heart Association (NYHA) class II function, nearly one-quarter had class III function, and fewer than 1% of patients fell into the class IV category.

The primary endpoint occurred in 19% of the empagliflozin-treated patients and in 25% of those who received placebo. Among the half of patients with diabetes in the trial, the relative risk reduction by empagliflozin compared with placebo was a statistically significant 28%; among those without diabetes, it was a statistically significant 22%. Concurrently with Dr. Packer’s report, the results appeared in an article posted online (N Engl J Med. 2020 Aug 29. doi: 10.1056/NEJMoa2022190).

The study also had two main prespecified secondary endpoints: the incidence of total hospitalizations for heart failure, both first and recurrent, which fell by 30% in the empagliflozin-treated patients, compared with placebo, and the rate of declining renal function during the 16 months of the study as measured by estimated glomerular filtration rate, which dropped by roughly 1 mL/min per 1.73 m2 among the empagliflozin recipients and by about 4 mL/min/ per 1.73 m2 in the placebo patients.

Treatment with empagliflozin also achieved a notable, statistically significant 50% drop in major adverse renal events, consistent with the performance of other drugs in the class.

“Renal protection is a big plus” of empagliflozin in this trial and from the other SGLT2 inhibitors in prior studies, noted Dr. O’Connor.

The EMPEROR-Reduced results also showed an important benefit for HFrEF patients from empagliflozin not previously seen as quickly with any other drug class, noted Dr. Packer. The SGLT2 inhibitor led to statistically a significant slowing in the progression of patients from NYHA class II function to class III, compared with placebo, and it also significantly promoted the recovery of patients from NYHA class III to class II, an effect that became apparent within the first month on treatment and a benefit that is a “big deal” for patients because it represents a “significant change in functional capacity.” This additional dimension of empagliflozin’s benefit “really impressed me,” Dr. Packer said.

EMPEROR-Reduced was funded by Boehringer Ingelheim and Eli Lilly, the companies that market empagliflozin. Dr. Packer has received personal fees from Boehringer Ingelheim and Eli Lilly and from several other companies. Dr. Poppas and Dr. O’Connor had no relevant disclosures.
 

SOURCE: Packer M. ESC 2020. N Engl J Med. 2020 Aug 29. doi: 10.1056/NEJMoa2022190.

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FDA pulls amputation boxed warning off canagliflozin label

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The Food and Drug Administration has removed the boxed warning about the risk of leg and foot amputations for canagliflozin (Invokana, Invokamet, Janssen), a sodium-glucose cotransporter-2 (SGLT2) inhibitor for the treatment of type 2 diabetes, the agency announced Aug. 26.

Wikimedia Commons/FitzColinGerald/ Creative Commons License

As previously reported by Medscape Medical News, the FDA added the boxed warning to the canagliflozin label in May 2017, after an approximately doubled risk for lower-extremity amputations with the drug compared with placebo was seen during two trials.

The FDA said the decision to remove the boxed warning was made following a review of new data from three clinical trials, which demonstrated additional heart- and kidney-related benefits and led to additional approved uses for canagliflozin.

In 2018, canagliflozin was approved to reduce the risk of major adverse cardiovascular events in adults with type 2 diabetes who have established cardiovascular disease.

In 2019, canagliflozin was approved to reduce the risk of end-stage kidney disease, worsening of kidney function, cardiovascular death, and heart failure hospitalization, in adults with type 2 diabetes and diabetic kidney disease.

“Collectively, these newly identified effects of canagliflozin on heart and kidney disease show significantly enhanced benefit of this medicine,” the FDA said.

The safety information from these trials, the FDA said, suggests that the risk of amputation, “while still increased with canagliflozin, is lower than previously described, particularly when appropriately monitored.”

The agency added: “Based upon these considerations, FDA concluded that the boxed warning should be removed.”

The FDA announcement said clinicians and patients should continue to be aware of the importance of preventive foot care and to monitor for new pain, tenderness, sores, ulcers, and infections in the legs and feet. Risk factors that may predispose patients to amputation should be considered when choosing antidiabetic medicines.

Health care professionals are encouraged to report adverse reactions with canagliflozin to the FDA’s MedWatch program.
 

A version of this article originally appeared on Medscape.com.

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The Food and Drug Administration has removed the boxed warning about the risk of leg and foot amputations for canagliflozin (Invokana, Invokamet, Janssen), a sodium-glucose cotransporter-2 (SGLT2) inhibitor for the treatment of type 2 diabetes, the agency announced Aug. 26.

Wikimedia Commons/FitzColinGerald/ Creative Commons License

As previously reported by Medscape Medical News, the FDA added the boxed warning to the canagliflozin label in May 2017, after an approximately doubled risk for lower-extremity amputations with the drug compared with placebo was seen during two trials.

The FDA said the decision to remove the boxed warning was made following a review of new data from three clinical trials, which demonstrated additional heart- and kidney-related benefits and led to additional approved uses for canagliflozin.

In 2018, canagliflozin was approved to reduce the risk of major adverse cardiovascular events in adults with type 2 diabetes who have established cardiovascular disease.

In 2019, canagliflozin was approved to reduce the risk of end-stage kidney disease, worsening of kidney function, cardiovascular death, and heart failure hospitalization, in adults with type 2 diabetes and diabetic kidney disease.

“Collectively, these newly identified effects of canagliflozin on heart and kidney disease show significantly enhanced benefit of this medicine,” the FDA said.

The safety information from these trials, the FDA said, suggests that the risk of amputation, “while still increased with canagliflozin, is lower than previously described, particularly when appropriately monitored.”

The agency added: “Based upon these considerations, FDA concluded that the boxed warning should be removed.”

The FDA announcement said clinicians and patients should continue to be aware of the importance of preventive foot care and to monitor for new pain, tenderness, sores, ulcers, and infections in the legs and feet. Risk factors that may predispose patients to amputation should be considered when choosing antidiabetic medicines.

Health care professionals are encouraged to report adverse reactions with canagliflozin to the FDA’s MedWatch program.
 

A version of this article originally appeared on Medscape.com.

The Food and Drug Administration has removed the boxed warning about the risk of leg and foot amputations for canagliflozin (Invokana, Invokamet, Janssen), a sodium-glucose cotransporter-2 (SGLT2) inhibitor for the treatment of type 2 diabetes, the agency announced Aug. 26.

Wikimedia Commons/FitzColinGerald/ Creative Commons License

As previously reported by Medscape Medical News, the FDA added the boxed warning to the canagliflozin label in May 2017, after an approximately doubled risk for lower-extremity amputations with the drug compared with placebo was seen during two trials.

The FDA said the decision to remove the boxed warning was made following a review of new data from three clinical trials, which demonstrated additional heart- and kidney-related benefits and led to additional approved uses for canagliflozin.

In 2018, canagliflozin was approved to reduce the risk of major adverse cardiovascular events in adults with type 2 diabetes who have established cardiovascular disease.

In 2019, canagliflozin was approved to reduce the risk of end-stage kidney disease, worsening of kidney function, cardiovascular death, and heart failure hospitalization, in adults with type 2 diabetes and diabetic kidney disease.

“Collectively, these newly identified effects of canagliflozin on heart and kidney disease show significantly enhanced benefit of this medicine,” the FDA said.

The safety information from these trials, the FDA said, suggests that the risk of amputation, “while still increased with canagliflozin, is lower than previously described, particularly when appropriately monitored.”

The agency added: “Based upon these considerations, FDA concluded that the boxed warning should be removed.”

The FDA announcement said clinicians and patients should continue to be aware of the importance of preventive foot care and to monitor for new pain, tenderness, sores, ulcers, and infections in the legs and feet. Risk factors that may predispose patients to amputation should be considered when choosing antidiabetic medicines.

Health care professionals are encouraged to report adverse reactions with canagliflozin to the FDA’s MedWatch program.
 

A version of this article originally appeared on Medscape.com.

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