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Post-hoc analysis offers hope for novel cholesterol drug

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MILAN, Italy – The antisense oligonucleotide vupanorsen substantially reduces very-low-density-lipoprotein (VLDL) and remnant cholesterol levels in patients with raised lipids despite statin therapy, suggests a subanalysis of TRANSLATE-TIMI 70 that appears to offer more hope than the primary study findings.

Vupanorsen targets hepatic angiopoietin-like protein 3 (ANGPTL3), which inhibits enzymes involved in triglyceride and cholesterol metabolism.

Earlier this year, headline data from TRANSLATE-TIMI 70 suggested that the drug reduced triglycerides and non–high-density-lipoprotein cholesterol to a degree that was significant but not clinically meaningful for cardiovascular risk reduction.

Moreover, as reported by this news organization, there were safety concerns over increases in liver enzymes among patients taking the drug, as well as dose-related increases in hepatic fat.

As a result, Pfizer announced that it would discontinue its clinical development program for vupanorsen and return the development rights to Ionis, following the signing of a worldwide exclusive agreement in November 2019.

Now, Nicholas A. Marston, MD, MPH, cardiovascular medicine, Brigham and Women’s Hospital, Boston, has presented a post-hoc analysis of the phase 2b study, showing that the drug reduces VLDL and remnant cholesterol levels by up to 60%.

These were closely tied to reductions in ANGPTL3 levels, although substantial reductions in cholesterol levels were achieved even at less than maximal reductions in ANGPTL3, where the impact on safety outcomes was reduced.

Dr. Marston said that lower doses of vupanorsen, where the safety effects would be less, or other drugs that inhibit ANGPTL3, “may have an important role in patients with residual dyslipidemia despite current therapy.”

The results were presented at the 90th European Atherosclerosis Society Congress on May 23.

Dr. Marston told this news organization that some of the reductions they saw with the lower doses of vupanorsen were “just as good as any other therapy, and the safety profile was … much better than at the highest dose.”

They wanted to pursue the subgroup analysis, despite Pfizer’s announcement, partly to “learn something in terms of the potential efficacy of the ANGPTL3 pathway in general.”

Dr. Marston said that Ionis is now focused on ANGPTL3, and the current results suggest that it “works very well,” so if other drugs are able to achieve the same efficacy as vupanorsen “but without the effects,” then it may “get elbowed out.”

Børge G. Nordestgaard, MD, PhD, of Herlev and Gentofte Hospital, Copenhagen, who was not involved in the study, called the findings “very encouraging.”

He told this news organization that being able to reduce LDL cholesterol as well as VLDL and remnant cholesterol is “exactly what I would be dreaming about” with a drug like vupanorsen.

Dr. Nordestgaard nevertheless underlined that “one would have to look carefully” at the safety of the drug.

“If it was my money, I would certainly try to look into if this was some sort of transient thing. Even when they started talking about statins, there was also this transient increase in alanine transaminase that seems to go away after a while,” he said.



“But of course, if this was persistent and triglycerides in the liver kept accumulating, then it’s a problem,” Dr. Nordestgaard added, “and then you would need to have some sort of thinking about whether you could couple it with something that got rid of the liver fat.”

He also agreed with Dr. Marston that, even if vupanorsen does not clear all hurdles before making it to market, the approach is promising.

“The target,” Dr. Nordestgaard said, seems “fantastic, from my point of view anyway.”

Dr. Marston explained that VLDL cholesterol, remnant cholesterol, and triglycerides are “surrogates for triglyceride-rich” lipoproteins, and that they are “increasingly recognized” as cardiovascular risk factors.

He highlighted that currently available therapies achieve reductions of these compounds of between 30% and 50%.

TRANSLATE-TIMI 70 included adults on stable statin therapy who had a triglyceride level of 150 mg/dL to 500 mg/dL and a non-HDL cholesterol level of 100 mg/dL or higher.

The participants were randomly assigned to one of six 2- or 4-week dosing schedules of vupanorsen or placebo and followed up over 24 weeks for a series of primary and additional endpoints, as well as safety outcomes.

The team recruited 286 individuals, who had a median age of 64 years; 44% were female. The majority (87%) were white.

The mean body mass index was 32 kg/m2, 50% had diabetes, 13% had experienced a prior myocardial infarction, and 51% were receiving high-intensity statins.

As previously reported, vupanorsen was associated with a reduction in non-HDL cholesterol vs. placebo of 22%-28%, alongside a 6%-15% reduction in apolipoprotein B levels and an 8%-16% reduction in LDL cholesterol.

In contrast, Dr. Marston showed that the various dosing schedules of the drug were associated with reductions in levels of VLDL cholesterol of 52%-66% vs. placebo at 24 weeks.

Over the same period, remnant cholesterol levels were lowered by 42%-59% vs. placebo, and triglycerides were reduced by 44%-57% in patients given vupanorsen.

There were also reductions in ANGPTL3 levels of 70%-95%.

Subgroup analysis indicated that the effect of vupanorsen was seen regardless of age, sex, body mass index, presence of diabetes, baseline triglycerides, and intensity of statin therapy.

Dr. Marston highlighted that the reductions in triglycerides, VLDL cholesterol, and remnant cholesterol levels were directly related to those for ANGPTL3 levels, but that the reductions remained meaningful even at less than maximal reductions in ANGPTL.

For example, even when ANGPTL3 levels were reduced by 70%, there were 50% reductions in triglyceride levels, 70% reductions in VLDL cholesterol levels, and a 50% drop in remnant cholesterol levels.

This, he noted, is important given that safety signals such as increases in alanine transaminase and hepatic fat occurred in a dose-dependent manner with ANGPTL3 reductions and were “most pronounced” only at the highest level of ANGPTL3 reduction.

The TRANSLATE-TIMI 70 study was sponsored by Pfizer. Dr. Marston disclosed relationships with Pfizer, Amgen, Ionis, Novartis, and AstraZeneca. Dr. Nordestgaard disclosed relationships with AstraZeneca, Sanofi, Regeneron, Akcea, Ionis, Amgen, Kowa, Denka, Amarin, Novartis, Novo Nordisk, Esperion, and Silence Therapeutics.

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

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MILAN, Italy – The antisense oligonucleotide vupanorsen substantially reduces very-low-density-lipoprotein (VLDL) and remnant cholesterol levels in patients with raised lipids despite statin therapy, suggests a subanalysis of TRANSLATE-TIMI 70 that appears to offer more hope than the primary study findings.

Vupanorsen targets hepatic angiopoietin-like protein 3 (ANGPTL3), which inhibits enzymes involved in triglyceride and cholesterol metabolism.

Earlier this year, headline data from TRANSLATE-TIMI 70 suggested that the drug reduced triglycerides and non–high-density-lipoprotein cholesterol to a degree that was significant but not clinically meaningful for cardiovascular risk reduction.

Moreover, as reported by this news organization, there were safety concerns over increases in liver enzymes among patients taking the drug, as well as dose-related increases in hepatic fat.

As a result, Pfizer announced that it would discontinue its clinical development program for vupanorsen and return the development rights to Ionis, following the signing of a worldwide exclusive agreement in November 2019.

Now, Nicholas A. Marston, MD, MPH, cardiovascular medicine, Brigham and Women’s Hospital, Boston, has presented a post-hoc analysis of the phase 2b study, showing that the drug reduces VLDL and remnant cholesterol levels by up to 60%.

These were closely tied to reductions in ANGPTL3 levels, although substantial reductions in cholesterol levels were achieved even at less than maximal reductions in ANGPTL3, where the impact on safety outcomes was reduced.

Dr. Marston said that lower doses of vupanorsen, where the safety effects would be less, or other drugs that inhibit ANGPTL3, “may have an important role in patients with residual dyslipidemia despite current therapy.”

The results were presented at the 90th European Atherosclerosis Society Congress on May 23.

Dr. Marston told this news organization that some of the reductions they saw with the lower doses of vupanorsen were “just as good as any other therapy, and the safety profile was … much better than at the highest dose.”

They wanted to pursue the subgroup analysis, despite Pfizer’s announcement, partly to “learn something in terms of the potential efficacy of the ANGPTL3 pathway in general.”

Dr. Marston said that Ionis is now focused on ANGPTL3, and the current results suggest that it “works very well,” so if other drugs are able to achieve the same efficacy as vupanorsen “but without the effects,” then it may “get elbowed out.”

Børge G. Nordestgaard, MD, PhD, of Herlev and Gentofte Hospital, Copenhagen, who was not involved in the study, called the findings “very encouraging.”

He told this news organization that being able to reduce LDL cholesterol as well as VLDL and remnant cholesterol is “exactly what I would be dreaming about” with a drug like vupanorsen.

Dr. Nordestgaard nevertheless underlined that “one would have to look carefully” at the safety of the drug.

“If it was my money, I would certainly try to look into if this was some sort of transient thing. Even when they started talking about statins, there was also this transient increase in alanine transaminase that seems to go away after a while,” he said.



“But of course, if this was persistent and triglycerides in the liver kept accumulating, then it’s a problem,” Dr. Nordestgaard added, “and then you would need to have some sort of thinking about whether you could couple it with something that got rid of the liver fat.”

He also agreed with Dr. Marston that, even if vupanorsen does not clear all hurdles before making it to market, the approach is promising.

“The target,” Dr. Nordestgaard said, seems “fantastic, from my point of view anyway.”

Dr. Marston explained that VLDL cholesterol, remnant cholesterol, and triglycerides are “surrogates for triglyceride-rich” lipoproteins, and that they are “increasingly recognized” as cardiovascular risk factors.

He highlighted that currently available therapies achieve reductions of these compounds of between 30% and 50%.

TRANSLATE-TIMI 70 included adults on stable statin therapy who had a triglyceride level of 150 mg/dL to 500 mg/dL and a non-HDL cholesterol level of 100 mg/dL or higher.

The participants were randomly assigned to one of six 2- or 4-week dosing schedules of vupanorsen or placebo and followed up over 24 weeks for a series of primary and additional endpoints, as well as safety outcomes.

The team recruited 286 individuals, who had a median age of 64 years; 44% were female. The majority (87%) were white.

The mean body mass index was 32 kg/m2, 50% had diabetes, 13% had experienced a prior myocardial infarction, and 51% were receiving high-intensity statins.

As previously reported, vupanorsen was associated with a reduction in non-HDL cholesterol vs. placebo of 22%-28%, alongside a 6%-15% reduction in apolipoprotein B levels and an 8%-16% reduction in LDL cholesterol.

In contrast, Dr. Marston showed that the various dosing schedules of the drug were associated with reductions in levels of VLDL cholesterol of 52%-66% vs. placebo at 24 weeks.

Over the same period, remnant cholesterol levels were lowered by 42%-59% vs. placebo, and triglycerides were reduced by 44%-57% in patients given vupanorsen.

There were also reductions in ANGPTL3 levels of 70%-95%.

Subgroup analysis indicated that the effect of vupanorsen was seen regardless of age, sex, body mass index, presence of diabetes, baseline triglycerides, and intensity of statin therapy.

Dr. Marston highlighted that the reductions in triglycerides, VLDL cholesterol, and remnant cholesterol levels were directly related to those for ANGPTL3 levels, but that the reductions remained meaningful even at less than maximal reductions in ANGPTL.

For example, even when ANGPTL3 levels were reduced by 70%, there were 50% reductions in triglyceride levels, 70% reductions in VLDL cholesterol levels, and a 50% drop in remnant cholesterol levels.

This, he noted, is important given that safety signals such as increases in alanine transaminase and hepatic fat occurred in a dose-dependent manner with ANGPTL3 reductions and were “most pronounced” only at the highest level of ANGPTL3 reduction.

The TRANSLATE-TIMI 70 study was sponsored by Pfizer. Dr. Marston disclosed relationships with Pfizer, Amgen, Ionis, Novartis, and AstraZeneca. Dr. Nordestgaard disclosed relationships with AstraZeneca, Sanofi, Regeneron, Akcea, Ionis, Amgen, Kowa, Denka, Amarin, Novartis, Novo Nordisk, Esperion, and Silence Therapeutics.

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

MILAN, Italy – The antisense oligonucleotide vupanorsen substantially reduces very-low-density-lipoprotein (VLDL) and remnant cholesterol levels in patients with raised lipids despite statin therapy, suggests a subanalysis of TRANSLATE-TIMI 70 that appears to offer more hope than the primary study findings.

Vupanorsen targets hepatic angiopoietin-like protein 3 (ANGPTL3), which inhibits enzymes involved in triglyceride and cholesterol metabolism.

Earlier this year, headline data from TRANSLATE-TIMI 70 suggested that the drug reduced triglycerides and non–high-density-lipoprotein cholesterol to a degree that was significant but not clinically meaningful for cardiovascular risk reduction.

Moreover, as reported by this news organization, there were safety concerns over increases in liver enzymes among patients taking the drug, as well as dose-related increases in hepatic fat.

As a result, Pfizer announced that it would discontinue its clinical development program for vupanorsen and return the development rights to Ionis, following the signing of a worldwide exclusive agreement in November 2019.

Now, Nicholas A. Marston, MD, MPH, cardiovascular medicine, Brigham and Women’s Hospital, Boston, has presented a post-hoc analysis of the phase 2b study, showing that the drug reduces VLDL and remnant cholesterol levels by up to 60%.

These were closely tied to reductions in ANGPTL3 levels, although substantial reductions in cholesterol levels were achieved even at less than maximal reductions in ANGPTL3, where the impact on safety outcomes was reduced.

Dr. Marston said that lower doses of vupanorsen, where the safety effects would be less, or other drugs that inhibit ANGPTL3, “may have an important role in patients with residual dyslipidemia despite current therapy.”

The results were presented at the 90th European Atherosclerosis Society Congress on May 23.

Dr. Marston told this news organization that some of the reductions they saw with the lower doses of vupanorsen were “just as good as any other therapy, and the safety profile was … much better than at the highest dose.”

They wanted to pursue the subgroup analysis, despite Pfizer’s announcement, partly to “learn something in terms of the potential efficacy of the ANGPTL3 pathway in general.”

Dr. Marston said that Ionis is now focused on ANGPTL3, and the current results suggest that it “works very well,” so if other drugs are able to achieve the same efficacy as vupanorsen “but without the effects,” then it may “get elbowed out.”

Børge G. Nordestgaard, MD, PhD, of Herlev and Gentofte Hospital, Copenhagen, who was not involved in the study, called the findings “very encouraging.”

He told this news organization that being able to reduce LDL cholesterol as well as VLDL and remnant cholesterol is “exactly what I would be dreaming about” with a drug like vupanorsen.

Dr. Nordestgaard nevertheless underlined that “one would have to look carefully” at the safety of the drug.

“If it was my money, I would certainly try to look into if this was some sort of transient thing. Even when they started talking about statins, there was also this transient increase in alanine transaminase that seems to go away after a while,” he said.



“But of course, if this was persistent and triglycerides in the liver kept accumulating, then it’s a problem,” Dr. Nordestgaard added, “and then you would need to have some sort of thinking about whether you could couple it with something that got rid of the liver fat.”

He also agreed with Dr. Marston that, even if vupanorsen does not clear all hurdles before making it to market, the approach is promising.

“The target,” Dr. Nordestgaard said, seems “fantastic, from my point of view anyway.”

Dr. Marston explained that VLDL cholesterol, remnant cholesterol, and triglycerides are “surrogates for triglyceride-rich” lipoproteins, and that they are “increasingly recognized” as cardiovascular risk factors.

He highlighted that currently available therapies achieve reductions of these compounds of between 30% and 50%.

TRANSLATE-TIMI 70 included adults on stable statin therapy who had a triglyceride level of 150 mg/dL to 500 mg/dL and a non-HDL cholesterol level of 100 mg/dL or higher.

The participants were randomly assigned to one of six 2- or 4-week dosing schedules of vupanorsen or placebo and followed up over 24 weeks for a series of primary and additional endpoints, as well as safety outcomes.

The team recruited 286 individuals, who had a median age of 64 years; 44% were female. The majority (87%) were white.

The mean body mass index was 32 kg/m2, 50% had diabetes, 13% had experienced a prior myocardial infarction, and 51% were receiving high-intensity statins.

As previously reported, vupanorsen was associated with a reduction in non-HDL cholesterol vs. placebo of 22%-28%, alongside a 6%-15% reduction in apolipoprotein B levels and an 8%-16% reduction in LDL cholesterol.

In contrast, Dr. Marston showed that the various dosing schedules of the drug were associated with reductions in levels of VLDL cholesterol of 52%-66% vs. placebo at 24 weeks.

Over the same period, remnant cholesterol levels were lowered by 42%-59% vs. placebo, and triglycerides were reduced by 44%-57% in patients given vupanorsen.

There were also reductions in ANGPTL3 levels of 70%-95%.

Subgroup analysis indicated that the effect of vupanorsen was seen regardless of age, sex, body mass index, presence of diabetes, baseline triglycerides, and intensity of statin therapy.

Dr. Marston highlighted that the reductions in triglycerides, VLDL cholesterol, and remnant cholesterol levels were directly related to those for ANGPTL3 levels, but that the reductions remained meaningful even at less than maximal reductions in ANGPTL.

For example, even when ANGPTL3 levels were reduced by 70%, there were 50% reductions in triglyceride levels, 70% reductions in VLDL cholesterol levels, and a 50% drop in remnant cholesterol levels.

This, he noted, is important given that safety signals such as increases in alanine transaminase and hepatic fat occurred in a dose-dependent manner with ANGPTL3 reductions and were “most pronounced” only at the highest level of ANGPTL3 reduction.

The TRANSLATE-TIMI 70 study was sponsored by Pfizer. Dr. Marston disclosed relationships with Pfizer, Amgen, Ionis, Novartis, and AstraZeneca. Dr. Nordestgaard disclosed relationships with AstraZeneca, Sanofi, Regeneron, Akcea, Ionis, Amgen, Kowa, Denka, Amarin, Novartis, Novo Nordisk, Esperion, and Silence Therapeutics.

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

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Genetic testing for best antidepressant accurate, cost effective

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Genetic testing to determine the best antidepressant for patients with major depressive disorder (MDD) has the potential to lead to an optimal drug choice on the first try and reduce health care costs, new research suggests.

CYP2D6 and CYP2C19, from the cytochrome P450 family, are involved in the metabolism and elimination of various molecules, including medications. Variants in the genes encoding these enzymes affect the speed at which drugs are metabolized, altering their pharmacokinetic profiles.

The researchers studied 125 patients with MDD and used CYP2D6 and CYP2C19 genotyping to determine the presence of actionable phenotypes in line with Food and Drug Administration labeling.

They found that, in many cases, pharmacogenetic testing could have predicted poor response to the initial treatment selection and could have helped guide subsequent choices to improve outcomes.

In addition, a pharmacoeconomic evaluation that combined direct and indirect costs resulting from MDD with the prevalence of CYP2D6 and CYP2C19 phenotypes showed that testing for functional variants in both genes would be cost effective at a national level.

Had psychiatrists who treated patients in the study known about their metabolizing profiles, it “might have contributed to switches in medication” and could have reduced “delays in response,” said lead researcher Alessio Squassina, PhD, associate professor of pharmacology at the University of Cagliari (Italy).

The findings were presented at the European Psychiatric Association 2022 Congress.
 

Highly variable response rates

Dr. Squassina noted that the response to antidepressants is a “highly variable trait,” and while it is known that genetics play a role, their contribution is “still not completely understood.”

He explained that the use of pharmacogenetics, which leverages genetic information to guide treatment decision-making, has increased significantly.

While regulatory bodies, including the FDA, have been “very active” in defining strict criteria for interpreting the information from pharmacogenetic tests, there remains some “discrepancy” in their clinical utility.

Dr. Squassina said the FDA provides guidance on use of genetic testing on the labels of 34 psychiatric medications. Of these, 79% relate to CYP2D6, 12% relate to CYP2C19, and 9% relate to other genes.

These labels provide guidance on when genetic testing is recommended or required, as well as potentially clinically actionable gene-drug associations in patients with certain functional alleles.

However, Dr. Squassina noted that the distribution of such alleles is not the same across Europe, so it’s possible that a psychiatrist in Italy may be less likely to treat a patient with a phenotype affecting response to treatment or risk of adverse events than one in Norway or Sweden.

For the study, the investigators examined the frequency of CYP2D6 and CYP2C19 phenotypes in psychiatric patients in Sardinia and their relationship with pharmacologic treatment and cost-effectiveness.

They set out to recruit 200 patients with MDD who had a documented 5-year medical and treatment history, including alterations in treatment, adverse events, hospitalizations, suicide, and symptom scores, as well as sociodemographic variables.

An interim analysis of the first 125 patients recruited to the study showed that the most common CYP2D6 phenotype was normal metabolizers (NM), at 60.5%, followed by intermediate metabolizers (IM), at 28.2%, ultrarapid metabolizers (UR), at 8.9%, and poor metabolizers (PM), at 2.4%.

For CYP2C19, the most common phenotype was NM (49%), followed by IM (29.0%), UR (25.0%), and PM (4.0%). While there were differences in the overall European averages, they were not significant.

To highlight the potential impact that pharmacogenetic testing could have had on patient care and outcome, Dr. Squassina highlighted two cases.

The first concerned a patient with a CYP2D6 IM and CYP2C19 UR phenotype, who did not respond to escitalopram. The FDA drug label indicates this phenotype is actionable and recommends an alternative drug.

The patient was subsequently switched to venlafaxine. The FDA drug label on venlafaxine notes that patients with this phenotype are likely to have a suboptimal response to this drug, and again, this patient did not respond to treatment.

Another patient with a CYP2D6 NM and CYP2C19 IM phenotype was also prescribed escitalopram. The FDA label on this drug notes that patients with this phenotype can try venlafaxine but may not respond. Indeed, this patient did not respond and was switched to venlafaxine and started responding.

“The psychiatrists [in these cases] may made have made different [drug] choices if they had known the genotypes in advance,” Dr. Squassina said.
 

 

 

Cost effective?

To determine the cost-effectiveness of screening for CYP2D6 and CYP2C19 phenotypes in patients with MDD, the researchers used real-world data to develop a Markov model with a hypothetical cohort of 2000 MDD patients, half of whom underwent pharmacogenetic testing, to determine the potential impact on outcomes over an 18-week period.

The model included the cost of medications and hospitalization, psychiatric counseling, loss of productivity, and the estimated probability of response and adverse events, adjusted for the patient’s likelihood of having a particular metabolizing phenotype.

Results showed that, for CYP2C19, compared to no testing, pharmacogenetic testing would be cost-effective at an incremental cost-effective ratio (ICER) of €60,000 ($64,000 USD) per quality-adjusted life-year (QALY).

This, Squassina said, is “below the willingness to pay threshold” for health authorities in developed countries.

For CYP2D6, pharmacogenetic testing would become cost-effective at an ICER of approximately €47,000 ($40,000 USD) per QALY.

The team plans to complete recruitment and perform a “detailed evaluation of all the variables, especially those relating to the medication history and changes in dosage, and adverse drug reactions.” The researchers would also like to study genetic phenotypes for other metabolizing enzymes and repeat the pharmacoeconomic analysis with the complete dataset.
 

A glimpse into the future

Approached for comment, Alessandro Serretti, MD, PhD, department of biomedical and neuromotor sciences, University of Bologna (Italy), who was not involved in the study, said the findings show there is a “small but evident benefit” from CYP profiling, “which makes sense.”

He added that in the Netherlands and other European countries, efforts are already underway to record the CYP status of patients at a national level. “Sooner or later, all Western countries will implement it as a routine,” he said in an interview.

He explained that, when such testing is widely available, electronic health record data will allow physicians to immediately select the optimal antidepressant for an individual patient. This will end the current trial-and-error process that leads to delayed treatment and will help avoid serious consequences, such as suicide.

While reducing a single patient’s treatment by a few weeks with the most appropriate antidepressant choice does not make a large difference in the cost per episode, at a population level, it has the potential to make a significant difference.

Dr. Serretti does not envisage genotyping all 333 million Europeans for the CYP phenotype at this point but imagines that in the future, individuals will undergo whole-genome sequencing to determine risks for cancer, dementia, and heart disease, at which point they will also undergo CYP functional allele profiling, and all these data will be recorded on individuals’ EHR.

“So, every doctor, a psychiatrist or cardiologist, can see everything, whenever they need it,” he said.

The study was funded by Fondazione di Sardegna and Regione Autonoma della Sardegna. The authors disclosed no relevant financial relationships.

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

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Genetic testing to determine the best antidepressant for patients with major depressive disorder (MDD) has the potential to lead to an optimal drug choice on the first try and reduce health care costs, new research suggests.

CYP2D6 and CYP2C19, from the cytochrome P450 family, are involved in the metabolism and elimination of various molecules, including medications. Variants in the genes encoding these enzymes affect the speed at which drugs are metabolized, altering their pharmacokinetic profiles.

The researchers studied 125 patients with MDD and used CYP2D6 and CYP2C19 genotyping to determine the presence of actionable phenotypes in line with Food and Drug Administration labeling.

They found that, in many cases, pharmacogenetic testing could have predicted poor response to the initial treatment selection and could have helped guide subsequent choices to improve outcomes.

In addition, a pharmacoeconomic evaluation that combined direct and indirect costs resulting from MDD with the prevalence of CYP2D6 and CYP2C19 phenotypes showed that testing for functional variants in both genes would be cost effective at a national level.

Had psychiatrists who treated patients in the study known about their metabolizing profiles, it “might have contributed to switches in medication” and could have reduced “delays in response,” said lead researcher Alessio Squassina, PhD, associate professor of pharmacology at the University of Cagliari (Italy).

The findings were presented at the European Psychiatric Association 2022 Congress.
 

Highly variable response rates

Dr. Squassina noted that the response to antidepressants is a “highly variable trait,” and while it is known that genetics play a role, their contribution is “still not completely understood.”

He explained that the use of pharmacogenetics, which leverages genetic information to guide treatment decision-making, has increased significantly.

While regulatory bodies, including the FDA, have been “very active” in defining strict criteria for interpreting the information from pharmacogenetic tests, there remains some “discrepancy” in their clinical utility.

Dr. Squassina said the FDA provides guidance on use of genetic testing on the labels of 34 psychiatric medications. Of these, 79% relate to CYP2D6, 12% relate to CYP2C19, and 9% relate to other genes.

These labels provide guidance on when genetic testing is recommended or required, as well as potentially clinically actionable gene-drug associations in patients with certain functional alleles.

However, Dr. Squassina noted that the distribution of such alleles is not the same across Europe, so it’s possible that a psychiatrist in Italy may be less likely to treat a patient with a phenotype affecting response to treatment or risk of adverse events than one in Norway or Sweden.

For the study, the investigators examined the frequency of CYP2D6 and CYP2C19 phenotypes in psychiatric patients in Sardinia and their relationship with pharmacologic treatment and cost-effectiveness.

They set out to recruit 200 patients with MDD who had a documented 5-year medical and treatment history, including alterations in treatment, adverse events, hospitalizations, suicide, and symptom scores, as well as sociodemographic variables.

An interim analysis of the first 125 patients recruited to the study showed that the most common CYP2D6 phenotype was normal metabolizers (NM), at 60.5%, followed by intermediate metabolizers (IM), at 28.2%, ultrarapid metabolizers (UR), at 8.9%, and poor metabolizers (PM), at 2.4%.

For CYP2C19, the most common phenotype was NM (49%), followed by IM (29.0%), UR (25.0%), and PM (4.0%). While there were differences in the overall European averages, they were not significant.

To highlight the potential impact that pharmacogenetic testing could have had on patient care and outcome, Dr. Squassina highlighted two cases.

The first concerned a patient with a CYP2D6 IM and CYP2C19 UR phenotype, who did not respond to escitalopram. The FDA drug label indicates this phenotype is actionable and recommends an alternative drug.

The patient was subsequently switched to venlafaxine. The FDA drug label on venlafaxine notes that patients with this phenotype are likely to have a suboptimal response to this drug, and again, this patient did not respond to treatment.

Another patient with a CYP2D6 NM and CYP2C19 IM phenotype was also prescribed escitalopram. The FDA label on this drug notes that patients with this phenotype can try venlafaxine but may not respond. Indeed, this patient did not respond and was switched to venlafaxine and started responding.

“The psychiatrists [in these cases] may made have made different [drug] choices if they had known the genotypes in advance,” Dr. Squassina said.
 

 

 

Cost effective?

To determine the cost-effectiveness of screening for CYP2D6 and CYP2C19 phenotypes in patients with MDD, the researchers used real-world data to develop a Markov model with a hypothetical cohort of 2000 MDD patients, half of whom underwent pharmacogenetic testing, to determine the potential impact on outcomes over an 18-week period.

The model included the cost of medications and hospitalization, psychiatric counseling, loss of productivity, and the estimated probability of response and adverse events, adjusted for the patient’s likelihood of having a particular metabolizing phenotype.

Results showed that, for CYP2C19, compared to no testing, pharmacogenetic testing would be cost-effective at an incremental cost-effective ratio (ICER) of €60,000 ($64,000 USD) per quality-adjusted life-year (QALY).

This, Squassina said, is “below the willingness to pay threshold” for health authorities in developed countries.

For CYP2D6, pharmacogenetic testing would become cost-effective at an ICER of approximately €47,000 ($40,000 USD) per QALY.

The team plans to complete recruitment and perform a “detailed evaluation of all the variables, especially those relating to the medication history and changes in dosage, and adverse drug reactions.” The researchers would also like to study genetic phenotypes for other metabolizing enzymes and repeat the pharmacoeconomic analysis with the complete dataset.
 

A glimpse into the future

Approached for comment, Alessandro Serretti, MD, PhD, department of biomedical and neuromotor sciences, University of Bologna (Italy), who was not involved in the study, said the findings show there is a “small but evident benefit” from CYP profiling, “which makes sense.”

He added that in the Netherlands and other European countries, efforts are already underway to record the CYP status of patients at a national level. “Sooner or later, all Western countries will implement it as a routine,” he said in an interview.

He explained that, when such testing is widely available, electronic health record data will allow physicians to immediately select the optimal antidepressant for an individual patient. This will end the current trial-and-error process that leads to delayed treatment and will help avoid serious consequences, such as suicide.

While reducing a single patient’s treatment by a few weeks with the most appropriate antidepressant choice does not make a large difference in the cost per episode, at a population level, it has the potential to make a significant difference.

Dr. Serretti does not envisage genotyping all 333 million Europeans for the CYP phenotype at this point but imagines that in the future, individuals will undergo whole-genome sequencing to determine risks for cancer, dementia, and heart disease, at which point they will also undergo CYP functional allele profiling, and all these data will be recorded on individuals’ EHR.

“So, every doctor, a psychiatrist or cardiologist, can see everything, whenever they need it,” he said.

The study was funded by Fondazione di Sardegna and Regione Autonoma della Sardegna. The authors disclosed no relevant financial relationships.

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

Genetic testing to determine the best antidepressant for patients with major depressive disorder (MDD) has the potential to lead to an optimal drug choice on the first try and reduce health care costs, new research suggests.

CYP2D6 and CYP2C19, from the cytochrome P450 family, are involved in the metabolism and elimination of various molecules, including medications. Variants in the genes encoding these enzymes affect the speed at which drugs are metabolized, altering their pharmacokinetic profiles.

The researchers studied 125 patients with MDD and used CYP2D6 and CYP2C19 genotyping to determine the presence of actionable phenotypes in line with Food and Drug Administration labeling.

They found that, in many cases, pharmacogenetic testing could have predicted poor response to the initial treatment selection and could have helped guide subsequent choices to improve outcomes.

In addition, a pharmacoeconomic evaluation that combined direct and indirect costs resulting from MDD with the prevalence of CYP2D6 and CYP2C19 phenotypes showed that testing for functional variants in both genes would be cost effective at a national level.

Had psychiatrists who treated patients in the study known about their metabolizing profiles, it “might have contributed to switches in medication” and could have reduced “delays in response,” said lead researcher Alessio Squassina, PhD, associate professor of pharmacology at the University of Cagliari (Italy).

The findings were presented at the European Psychiatric Association 2022 Congress.
 

Highly variable response rates

Dr. Squassina noted that the response to antidepressants is a “highly variable trait,” and while it is known that genetics play a role, their contribution is “still not completely understood.”

He explained that the use of pharmacogenetics, which leverages genetic information to guide treatment decision-making, has increased significantly.

While regulatory bodies, including the FDA, have been “very active” in defining strict criteria for interpreting the information from pharmacogenetic tests, there remains some “discrepancy” in their clinical utility.

Dr. Squassina said the FDA provides guidance on use of genetic testing on the labels of 34 psychiatric medications. Of these, 79% relate to CYP2D6, 12% relate to CYP2C19, and 9% relate to other genes.

These labels provide guidance on when genetic testing is recommended or required, as well as potentially clinically actionable gene-drug associations in patients with certain functional alleles.

However, Dr. Squassina noted that the distribution of such alleles is not the same across Europe, so it’s possible that a psychiatrist in Italy may be less likely to treat a patient with a phenotype affecting response to treatment or risk of adverse events than one in Norway or Sweden.

For the study, the investigators examined the frequency of CYP2D6 and CYP2C19 phenotypes in psychiatric patients in Sardinia and their relationship with pharmacologic treatment and cost-effectiveness.

They set out to recruit 200 patients with MDD who had a documented 5-year medical and treatment history, including alterations in treatment, adverse events, hospitalizations, suicide, and symptom scores, as well as sociodemographic variables.

An interim analysis of the first 125 patients recruited to the study showed that the most common CYP2D6 phenotype was normal metabolizers (NM), at 60.5%, followed by intermediate metabolizers (IM), at 28.2%, ultrarapid metabolizers (UR), at 8.9%, and poor metabolizers (PM), at 2.4%.

For CYP2C19, the most common phenotype was NM (49%), followed by IM (29.0%), UR (25.0%), and PM (4.0%). While there were differences in the overall European averages, they were not significant.

To highlight the potential impact that pharmacogenetic testing could have had on patient care and outcome, Dr. Squassina highlighted two cases.

The first concerned a patient with a CYP2D6 IM and CYP2C19 UR phenotype, who did not respond to escitalopram. The FDA drug label indicates this phenotype is actionable and recommends an alternative drug.

The patient was subsequently switched to venlafaxine. The FDA drug label on venlafaxine notes that patients with this phenotype are likely to have a suboptimal response to this drug, and again, this patient did not respond to treatment.

Another patient with a CYP2D6 NM and CYP2C19 IM phenotype was also prescribed escitalopram. The FDA label on this drug notes that patients with this phenotype can try venlafaxine but may not respond. Indeed, this patient did not respond and was switched to venlafaxine and started responding.

“The psychiatrists [in these cases] may made have made different [drug] choices if they had known the genotypes in advance,” Dr. Squassina said.
 

 

 

Cost effective?

To determine the cost-effectiveness of screening for CYP2D6 and CYP2C19 phenotypes in patients with MDD, the researchers used real-world data to develop a Markov model with a hypothetical cohort of 2000 MDD patients, half of whom underwent pharmacogenetic testing, to determine the potential impact on outcomes over an 18-week period.

The model included the cost of medications and hospitalization, psychiatric counseling, loss of productivity, and the estimated probability of response and adverse events, adjusted for the patient’s likelihood of having a particular metabolizing phenotype.

Results showed that, for CYP2C19, compared to no testing, pharmacogenetic testing would be cost-effective at an incremental cost-effective ratio (ICER) of €60,000 ($64,000 USD) per quality-adjusted life-year (QALY).

This, Squassina said, is “below the willingness to pay threshold” for health authorities in developed countries.

For CYP2D6, pharmacogenetic testing would become cost-effective at an ICER of approximately €47,000 ($40,000 USD) per QALY.

The team plans to complete recruitment and perform a “detailed evaluation of all the variables, especially those relating to the medication history and changes in dosage, and adverse drug reactions.” The researchers would also like to study genetic phenotypes for other metabolizing enzymes and repeat the pharmacoeconomic analysis with the complete dataset.
 

A glimpse into the future

Approached for comment, Alessandro Serretti, MD, PhD, department of biomedical and neuromotor sciences, University of Bologna (Italy), who was not involved in the study, said the findings show there is a “small but evident benefit” from CYP profiling, “which makes sense.”

He added that in the Netherlands and other European countries, efforts are already underway to record the CYP status of patients at a national level. “Sooner or later, all Western countries will implement it as a routine,” he said in an interview.

He explained that, when such testing is widely available, electronic health record data will allow physicians to immediately select the optimal antidepressant for an individual patient. This will end the current trial-and-error process that leads to delayed treatment and will help avoid serious consequences, such as suicide.

While reducing a single patient’s treatment by a few weeks with the most appropriate antidepressant choice does not make a large difference in the cost per episode, at a population level, it has the potential to make a significant difference.

Dr. Serretti does not envisage genotyping all 333 million Europeans for the CYP phenotype at this point but imagines that in the future, individuals will undergo whole-genome sequencing to determine risks for cancer, dementia, and heart disease, at which point they will also undergo CYP functional allele profiling, and all these data will be recorded on individuals’ EHR.

“So, every doctor, a psychiatrist or cardiologist, can see everything, whenever they need it,” he said.

The study was funded by Fondazione di Sardegna and Regione Autonoma della Sardegna. The authors disclosed no relevant financial relationships.

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

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Alcohol, degraded sleep related in young adults

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CHARLOTTE, N.C. – Sleep and alcohol consumption in young adults seems to follow a “vicious cycle,” as one observer called it. Young adults those who drink more go to bed later, sleep less, and have worse-quality sleep than those who drink less, and those who went to bed earlier and slept longer tended to drink less the next day, a study of drinking and sleeping habits in 21- to 29-year-olds found.

“Sleep is a potential factor that we could intervene on to really identify how to improve drinking behaviors among young adults,” David Reichenberger, a graduate student at Penn State University, University Park, said in an interview after he presented his findings at the annual meeting of the Associated Professional Sleep Societies.

David Reichenberger

This is one of the few studies of alcohol consumption and sleep patterns that used an objective measure of alcohol consumption, Mr. Reichenberger said. The study evaluated sleep and alcohol consumption patterns in 222 regularly drinking young adults over 6 consecutive days. Study participants completed morning smartphone-based questionnaires, reporting their previous night’s bedtime, sleep duration, sleep quality, and number of drinks consumed. They also wore an alcohol monitor that continuously measured their transdermal alcohol consumption (TAC).

The study analyzed the data using two sets of multilevel models: A linear model that looked at how each drinking predictor was associated with each sleep variable and a Poisson model to determine how sleep predicted next-day alcohol use.

“We found that higher average peak TAC – that is, how intoxicated they got – was associated with a 19-minute later bedtime among young adults,” Mr. Reichenberger said. “Later bedtimes were then associated with a 26% greater TAC among those adults” (P < .02).
 

Patterns of alcohol consumption and sleep

On days when participants recorded a higher peak TAC, bedtime was delayed, sleep duration was shorter, and subjective sleep quality was worse, he said. However, none of the sleep variables predicted next-day peak TAC.

“We found an association between the duration of the drinking episode and later bedtimes among young adults,” he added. “And on days when the drinking episodes were longer, subsequent sleep was delayed and sleep quality was worse. But we also found that after nights when they had a later bedtime, next-day drinking episodes were about 7% longer.”

Conversely, young adults who had earlier bedtimes and longer sleep durations tended to consume fewer drinks and they achieved lower intoxication levels the next day, Mr. Reichenberger said.

Between-person results showed that young adults who tended to go to bed later drank on average 24% more the next day (P < .01). Also, each extra hour of sleep was associated with a 14% decrease in drinking the next day (P < .03).

Participants who drank more went to bed on average 12-19 minutes later (P < .01) and slept 5 fewer minutes (P < .01). Within-person results showed that on nights when participants drank more than usual they went to bed 8-13 minutes later (P < .01), slept 2-4 fewer minutes (P < .03), and had worse sleep quality (P < .01).

Mr. Reichenberger acknowledged one limitation of the study: Measuring sleep and alcohol consumption patterns over 6 days might not be long enough. Future studies should address that.
 

 

 

A ‘vicious cycle’

Hans P.A. Van Dongen, PhD, director of the Sleep and Performance Research Center at Washington State University, Spokane, said in an interview that the findings imply a “vicious cycle” between sleep and alcohol consumption. “You create a problem and then it perpetuates itself or reinforces itself.”

Dr. Hans P.A. Van Dongen

In older adults, alcohol tends to act as a “sleep aid,” Dr. Van Dongen noted. “Then it disrupts their sleep later on and then the next night they need to use the sleep aid again because they had a really poor night and they’re tired and they want to fall asleep.”

He added: “I think what is new here is that’s not very likely the mechanism that they’re using alcohol as a sleep aid in younger adults that we see in older adults, so I think there is a new element to it. Now does anybody know how that works exactly? No, that’s the next thing.”

The Penn State study identifies “a signal there that needs to be followed up on,” Dr. Van Dongen said. “There’s something nature’s trying to tell us but it’s not exactly clear what it’s trying to tell us.”

The National Institute on Drug Abuse provided funding for the study. Mr. Reichenberger has no relevant disclosures. Dr. Van Dongen has no disclosures to report.

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CHARLOTTE, N.C. – Sleep and alcohol consumption in young adults seems to follow a “vicious cycle,” as one observer called it. Young adults those who drink more go to bed later, sleep less, and have worse-quality sleep than those who drink less, and those who went to bed earlier and slept longer tended to drink less the next day, a study of drinking and sleeping habits in 21- to 29-year-olds found.

“Sleep is a potential factor that we could intervene on to really identify how to improve drinking behaviors among young adults,” David Reichenberger, a graduate student at Penn State University, University Park, said in an interview after he presented his findings at the annual meeting of the Associated Professional Sleep Societies.

David Reichenberger

This is one of the few studies of alcohol consumption and sleep patterns that used an objective measure of alcohol consumption, Mr. Reichenberger said. The study evaluated sleep and alcohol consumption patterns in 222 regularly drinking young adults over 6 consecutive days. Study participants completed morning smartphone-based questionnaires, reporting their previous night’s bedtime, sleep duration, sleep quality, and number of drinks consumed. They also wore an alcohol monitor that continuously measured their transdermal alcohol consumption (TAC).

The study analyzed the data using two sets of multilevel models: A linear model that looked at how each drinking predictor was associated with each sleep variable and a Poisson model to determine how sleep predicted next-day alcohol use.

“We found that higher average peak TAC – that is, how intoxicated they got – was associated with a 19-minute later bedtime among young adults,” Mr. Reichenberger said. “Later bedtimes were then associated with a 26% greater TAC among those adults” (P < .02).
 

Patterns of alcohol consumption and sleep

On days when participants recorded a higher peak TAC, bedtime was delayed, sleep duration was shorter, and subjective sleep quality was worse, he said. However, none of the sleep variables predicted next-day peak TAC.

“We found an association between the duration of the drinking episode and later bedtimes among young adults,” he added. “And on days when the drinking episodes were longer, subsequent sleep was delayed and sleep quality was worse. But we also found that after nights when they had a later bedtime, next-day drinking episodes were about 7% longer.”

Conversely, young adults who had earlier bedtimes and longer sleep durations tended to consume fewer drinks and they achieved lower intoxication levels the next day, Mr. Reichenberger said.

Between-person results showed that young adults who tended to go to bed later drank on average 24% more the next day (P < .01). Also, each extra hour of sleep was associated with a 14% decrease in drinking the next day (P < .03).

Participants who drank more went to bed on average 12-19 minutes later (P < .01) and slept 5 fewer minutes (P < .01). Within-person results showed that on nights when participants drank more than usual they went to bed 8-13 minutes later (P < .01), slept 2-4 fewer minutes (P < .03), and had worse sleep quality (P < .01).

Mr. Reichenberger acknowledged one limitation of the study: Measuring sleep and alcohol consumption patterns over 6 days might not be long enough. Future studies should address that.
 

 

 

A ‘vicious cycle’

Hans P.A. Van Dongen, PhD, director of the Sleep and Performance Research Center at Washington State University, Spokane, said in an interview that the findings imply a “vicious cycle” between sleep and alcohol consumption. “You create a problem and then it perpetuates itself or reinforces itself.”

Dr. Hans P.A. Van Dongen

In older adults, alcohol tends to act as a “sleep aid,” Dr. Van Dongen noted. “Then it disrupts their sleep later on and then the next night they need to use the sleep aid again because they had a really poor night and they’re tired and they want to fall asleep.”

He added: “I think what is new here is that’s not very likely the mechanism that they’re using alcohol as a sleep aid in younger adults that we see in older adults, so I think there is a new element to it. Now does anybody know how that works exactly? No, that’s the next thing.”

The Penn State study identifies “a signal there that needs to be followed up on,” Dr. Van Dongen said. “There’s something nature’s trying to tell us but it’s not exactly clear what it’s trying to tell us.”

The National Institute on Drug Abuse provided funding for the study. Mr. Reichenberger has no relevant disclosures. Dr. Van Dongen has no disclosures to report.

CHARLOTTE, N.C. – Sleep and alcohol consumption in young adults seems to follow a “vicious cycle,” as one observer called it. Young adults those who drink more go to bed later, sleep less, and have worse-quality sleep than those who drink less, and those who went to bed earlier and slept longer tended to drink less the next day, a study of drinking and sleeping habits in 21- to 29-year-olds found.

“Sleep is a potential factor that we could intervene on to really identify how to improve drinking behaviors among young adults,” David Reichenberger, a graduate student at Penn State University, University Park, said in an interview after he presented his findings at the annual meeting of the Associated Professional Sleep Societies.

David Reichenberger

This is one of the few studies of alcohol consumption and sleep patterns that used an objective measure of alcohol consumption, Mr. Reichenberger said. The study evaluated sleep and alcohol consumption patterns in 222 regularly drinking young adults over 6 consecutive days. Study participants completed morning smartphone-based questionnaires, reporting their previous night’s bedtime, sleep duration, sleep quality, and number of drinks consumed. They also wore an alcohol monitor that continuously measured their transdermal alcohol consumption (TAC).

The study analyzed the data using two sets of multilevel models: A linear model that looked at how each drinking predictor was associated with each sleep variable and a Poisson model to determine how sleep predicted next-day alcohol use.

“We found that higher average peak TAC – that is, how intoxicated they got – was associated with a 19-minute later bedtime among young adults,” Mr. Reichenberger said. “Later bedtimes were then associated with a 26% greater TAC among those adults” (P < .02).
 

Patterns of alcohol consumption and sleep

On days when participants recorded a higher peak TAC, bedtime was delayed, sleep duration was shorter, and subjective sleep quality was worse, he said. However, none of the sleep variables predicted next-day peak TAC.

“We found an association between the duration of the drinking episode and later bedtimes among young adults,” he added. “And on days when the drinking episodes were longer, subsequent sleep was delayed and sleep quality was worse. But we also found that after nights when they had a later bedtime, next-day drinking episodes were about 7% longer.”

Conversely, young adults who had earlier bedtimes and longer sleep durations tended to consume fewer drinks and they achieved lower intoxication levels the next day, Mr. Reichenberger said.

Between-person results showed that young adults who tended to go to bed later drank on average 24% more the next day (P < .01). Also, each extra hour of sleep was associated with a 14% decrease in drinking the next day (P < .03).

Participants who drank more went to bed on average 12-19 minutes later (P < .01) and slept 5 fewer minutes (P < .01). Within-person results showed that on nights when participants drank more than usual they went to bed 8-13 minutes later (P < .01), slept 2-4 fewer minutes (P < .03), and had worse sleep quality (P < .01).

Mr. Reichenberger acknowledged one limitation of the study: Measuring sleep and alcohol consumption patterns over 6 days might not be long enough. Future studies should address that.
 

 

 

A ‘vicious cycle’

Hans P.A. Van Dongen, PhD, director of the Sleep and Performance Research Center at Washington State University, Spokane, said in an interview that the findings imply a “vicious cycle” between sleep and alcohol consumption. “You create a problem and then it perpetuates itself or reinforces itself.”

Dr. Hans P.A. Van Dongen

In older adults, alcohol tends to act as a “sleep aid,” Dr. Van Dongen noted. “Then it disrupts their sleep later on and then the next night they need to use the sleep aid again because they had a really poor night and they’re tired and they want to fall asleep.”

He added: “I think what is new here is that’s not very likely the mechanism that they’re using alcohol as a sleep aid in younger adults that we see in older adults, so I think there is a new element to it. Now does anybody know how that works exactly? No, that’s the next thing.”

The Penn State study identifies “a signal there that needs to be followed up on,” Dr. Van Dongen said. “There’s something nature’s trying to tell us but it’s not exactly clear what it’s trying to tell us.”

The National Institute on Drug Abuse provided funding for the study. Mr. Reichenberger has no relevant disclosures. Dr. Van Dongen has no disclosures to report.

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COVID tied to a profound impact on children’s sleep

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During the first year of the pandemic, profound changes in screen use and sleep timing occurred among U.S. adolescents as a result of spending more time using electronic devices, going to bed later, and getting up later, compared with before the pandemic, new research indicates.

The excessive screen time negatively affected sleep, said lead investigator Orsolya Kiss, PhD, with the Center for Health Sciences at SRI International, Menlo Park, Calif.

And what’s “concerning,” she told this news organization, is that there is no indication of any spontaneous decline in screen use in 2021, when there were fewer restrictions.

Dr. Kiss said she is “very much interested to see what future studies will show.”

The findings were presented at the annual meeting of the Associated Professional Sleep Societies.
 

Sleep takes a pandemic hit

“Adolescents and families have turned to online activities and social platforms more than ever before to maintain wellbeing, [to] connect with friends and family, and for online schooling,” Dr. Kiss said in a conference statement.

She and her colleagues examined longitudinal data from 5,027 adolescents aged 11-14 years who are participating in the ongoing Adolescent Brain Cognitive Development (ABCD) study.

As part of the study, participants reported sleep and daily screen time use prior to and at six time points during the first year of the pandemic (May 2020 to March 2021).

During the first year of the pandemic, relative to before the pandemic, recreational screen time was dramatically higher, with adolescents spending about 45 minutes more on social media and 20 minutes more playing video games, Dr. Kiss reported.

The jump in screen time was coupled with changes in sleep patterns.

Adolescents’ wake up times were delayed about 1.5 hours during May and August 2020, relative to prepandemic levels. The delay was partly due to summer break; wake-up times returned to earlier times in the fall of 2020.

During all pandemic assessments, bedtimes were delayed by about 1 hour, even when the new school year started. This was particularly the case in older adolescents and girls.

The findings highlight the need to promote “balanced and informed use of social media platforms, video games, and other digital technology to ensure adequate opportunity to sleep and maintain other healthy behaviors during this critical period of developmental change,” the authors wrote in their conference abstract.
 

Mental illness risk

In an interview, Ruth Benca, MD, PhD, co-chair of the Alliance for Sleep, noted that “during adolescence, the tendency to become more of a night owl naturally worsens, and when kids have no sleep schedule imposed on them, these patterns become exacerbated.”

Dr. Benca, who was not involved in the study, also noted that altered sleep patterns are risk factors for psychiatric illness.

“Adolescence, in particular, is so critical for brain development, and it really raises the question of whether sleep disturbances in adolescence or poor sleep patterns are contributing to the increase psychiatric epidemic we’re seeing in adolescents and children these days,” said Dr. Benca, with Wake Forest University School of Medicine and Atrium Health Wake Forest Baptist, Winston-Salem, N.C.

Also weighing in on the study, journalist and author Lisa Lewis, MS, based in Southern California, said, “It’s not surprising that tech use and social media – which is such an important part of their social worlds – went up during the pandemic.”

Ms. Lewis, a parent of two teenagers, played a key role in California’s new healthy school start times law, the first of its kind in the nation, and is the author of the newly released book, The Sleep-Deprived Teen (Mango Publishing).

“Far too many adolescents aren’t getting anywhere close to the 8-10 hours of nightly sleep they need,” Ms. Lewis said in an interview.

She noted that the the American Academy of Pediatrics recommends no tech use an hour before bed.

“And there are other house rules parents can implement, such as charging all devices in a central location, like the kitchen. Making sleep a priority helps teens, but it helps parents too: No one functions well when they’re sleep-deprived,” Ms. Lewis added.

Support for the study was provided by the National Institutes of Health. The authors have disclosed no relevant financial relationships. Dr. Benca is a consultant for Idorsia Pharmaceuticals. Ms. Lewis has no relevant disclosures.

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

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During the first year of the pandemic, profound changes in screen use and sleep timing occurred among U.S. adolescents as a result of spending more time using electronic devices, going to bed later, and getting up later, compared with before the pandemic, new research indicates.

The excessive screen time negatively affected sleep, said lead investigator Orsolya Kiss, PhD, with the Center for Health Sciences at SRI International, Menlo Park, Calif.

And what’s “concerning,” she told this news organization, is that there is no indication of any spontaneous decline in screen use in 2021, when there were fewer restrictions.

Dr. Kiss said she is “very much interested to see what future studies will show.”

The findings were presented at the annual meeting of the Associated Professional Sleep Societies.
 

Sleep takes a pandemic hit

“Adolescents and families have turned to online activities and social platforms more than ever before to maintain wellbeing, [to] connect with friends and family, and for online schooling,” Dr. Kiss said in a conference statement.

She and her colleagues examined longitudinal data from 5,027 adolescents aged 11-14 years who are participating in the ongoing Adolescent Brain Cognitive Development (ABCD) study.

As part of the study, participants reported sleep and daily screen time use prior to and at six time points during the first year of the pandemic (May 2020 to March 2021).

During the first year of the pandemic, relative to before the pandemic, recreational screen time was dramatically higher, with adolescents spending about 45 minutes more on social media and 20 minutes more playing video games, Dr. Kiss reported.

The jump in screen time was coupled with changes in sleep patterns.

Adolescents’ wake up times were delayed about 1.5 hours during May and August 2020, relative to prepandemic levels. The delay was partly due to summer break; wake-up times returned to earlier times in the fall of 2020.

During all pandemic assessments, bedtimes were delayed by about 1 hour, even when the new school year started. This was particularly the case in older adolescents and girls.

The findings highlight the need to promote “balanced and informed use of social media platforms, video games, and other digital technology to ensure adequate opportunity to sleep and maintain other healthy behaviors during this critical period of developmental change,” the authors wrote in their conference abstract.
 

Mental illness risk

In an interview, Ruth Benca, MD, PhD, co-chair of the Alliance for Sleep, noted that “during adolescence, the tendency to become more of a night owl naturally worsens, and when kids have no sleep schedule imposed on them, these patterns become exacerbated.”

Dr. Benca, who was not involved in the study, also noted that altered sleep patterns are risk factors for psychiatric illness.

“Adolescence, in particular, is so critical for brain development, and it really raises the question of whether sleep disturbances in adolescence or poor sleep patterns are contributing to the increase psychiatric epidemic we’re seeing in adolescents and children these days,” said Dr. Benca, with Wake Forest University School of Medicine and Atrium Health Wake Forest Baptist, Winston-Salem, N.C.

Also weighing in on the study, journalist and author Lisa Lewis, MS, based in Southern California, said, “It’s not surprising that tech use and social media – which is such an important part of their social worlds – went up during the pandemic.”

Ms. Lewis, a parent of two teenagers, played a key role in California’s new healthy school start times law, the first of its kind in the nation, and is the author of the newly released book, The Sleep-Deprived Teen (Mango Publishing).

“Far too many adolescents aren’t getting anywhere close to the 8-10 hours of nightly sleep they need,” Ms. Lewis said in an interview.

She noted that the the American Academy of Pediatrics recommends no tech use an hour before bed.

“And there are other house rules parents can implement, such as charging all devices in a central location, like the kitchen. Making sleep a priority helps teens, but it helps parents too: No one functions well when they’re sleep-deprived,” Ms. Lewis added.

Support for the study was provided by the National Institutes of Health. The authors have disclosed no relevant financial relationships. Dr. Benca is a consultant for Idorsia Pharmaceuticals. Ms. Lewis has no relevant disclosures.

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

During the first year of the pandemic, profound changes in screen use and sleep timing occurred among U.S. adolescents as a result of spending more time using electronic devices, going to bed later, and getting up later, compared with before the pandemic, new research indicates.

The excessive screen time negatively affected sleep, said lead investigator Orsolya Kiss, PhD, with the Center for Health Sciences at SRI International, Menlo Park, Calif.

And what’s “concerning,” she told this news organization, is that there is no indication of any spontaneous decline in screen use in 2021, when there were fewer restrictions.

Dr. Kiss said she is “very much interested to see what future studies will show.”

The findings were presented at the annual meeting of the Associated Professional Sleep Societies.
 

Sleep takes a pandemic hit

“Adolescents and families have turned to online activities and social platforms more than ever before to maintain wellbeing, [to] connect with friends and family, and for online schooling,” Dr. Kiss said in a conference statement.

She and her colleagues examined longitudinal data from 5,027 adolescents aged 11-14 years who are participating in the ongoing Adolescent Brain Cognitive Development (ABCD) study.

As part of the study, participants reported sleep and daily screen time use prior to and at six time points during the first year of the pandemic (May 2020 to March 2021).

During the first year of the pandemic, relative to before the pandemic, recreational screen time was dramatically higher, with adolescents spending about 45 minutes more on social media and 20 minutes more playing video games, Dr. Kiss reported.

The jump in screen time was coupled with changes in sleep patterns.

Adolescents’ wake up times were delayed about 1.5 hours during May and August 2020, relative to prepandemic levels. The delay was partly due to summer break; wake-up times returned to earlier times in the fall of 2020.

During all pandemic assessments, bedtimes were delayed by about 1 hour, even when the new school year started. This was particularly the case in older adolescents and girls.

The findings highlight the need to promote “balanced and informed use of social media platforms, video games, and other digital technology to ensure adequate opportunity to sleep and maintain other healthy behaviors during this critical period of developmental change,” the authors wrote in their conference abstract.
 

Mental illness risk

In an interview, Ruth Benca, MD, PhD, co-chair of the Alliance for Sleep, noted that “during adolescence, the tendency to become more of a night owl naturally worsens, and when kids have no sleep schedule imposed on them, these patterns become exacerbated.”

Dr. Benca, who was not involved in the study, also noted that altered sleep patterns are risk factors for psychiatric illness.

“Adolescence, in particular, is so critical for brain development, and it really raises the question of whether sleep disturbances in adolescence or poor sleep patterns are contributing to the increase psychiatric epidemic we’re seeing in adolescents and children these days,” said Dr. Benca, with Wake Forest University School of Medicine and Atrium Health Wake Forest Baptist, Winston-Salem, N.C.

Also weighing in on the study, journalist and author Lisa Lewis, MS, based in Southern California, said, “It’s not surprising that tech use and social media – which is such an important part of their social worlds – went up during the pandemic.”

Ms. Lewis, a parent of two teenagers, played a key role in California’s new healthy school start times law, the first of its kind in the nation, and is the author of the newly released book, The Sleep-Deprived Teen (Mango Publishing).

“Far too many adolescents aren’t getting anywhere close to the 8-10 hours of nightly sleep they need,” Ms. Lewis said in an interview.

She noted that the the American Academy of Pediatrics recommends no tech use an hour before bed.

“And there are other house rules parents can implement, such as charging all devices in a central location, like the kitchen. Making sleep a priority helps teens, but it helps parents too: No one functions well when they’re sleep-deprived,” Ms. Lewis added.

Support for the study was provided by the National Institutes of Health. The authors have disclosed no relevant financial relationships. Dr. Benca is a consultant for Idorsia Pharmaceuticals. Ms. Lewis has no relevant disclosures.

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

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FDA: Urgent device correction, recall for Philips ventilator

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The U.S. Food and Drug Administration has announced a Class I recall for Philips Respironics V60 and V60 Plus ventilators, citing a power failure leading to potential oxygen deprivation. Class I recalls, the most severe, are reserved for devices that may cause serious injury or death, as noted in the FDA’s announcement. As of April 14, one death and four injuries have been associated with this device failure.

These ventilators are commonly used in hospitals or under medical supervision for patients who have difficulty regulating breathing on their own. Normally, if oxygen flow is interrupted, the device sounds alarms, alerting supervisors. The failure comes when a power fluctuation causes the device to randomly shut down, which forces the alarm system to reboot. This internal disruption is the reason for the recall.

When the device shuts down out of the blue, it may or may not sound the requisite alarm that would allow providers to intervene. If the device does not sound the alarm, patients may lose oxygen for an extended period, without a provider even knowing.

Philips was notified of these problems and began the recall process on March 10. Currently, it is estimated that 56,671 devices have been distributed throughout the United States. The FDA and Philips Respironics advise that if providers are already using these ventilators, they may continue to do so in accordance with extra set of instructions.

First, customers should connect the device to an external alarm or nurse call system. Second, they should use an external oxygen monitor and a pulse oximeter to keep track of air flow. Finally, if one is available, there should be a backup ventilator on the premises. That way, if there is an interruption in oxygen flow, someone will be alerted and can quickly intervene.

If there is a problem, the patient should be removed from the Philips ventilator and immediately placed on an alternate device. The FDA instructs customers who have experienced problems to report them to its MedWatch database.

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

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The U.S. Food and Drug Administration has announced a Class I recall for Philips Respironics V60 and V60 Plus ventilators, citing a power failure leading to potential oxygen deprivation. Class I recalls, the most severe, are reserved for devices that may cause serious injury or death, as noted in the FDA’s announcement. As of April 14, one death and four injuries have been associated with this device failure.

These ventilators are commonly used in hospitals or under medical supervision for patients who have difficulty regulating breathing on their own. Normally, if oxygen flow is interrupted, the device sounds alarms, alerting supervisors. The failure comes when a power fluctuation causes the device to randomly shut down, which forces the alarm system to reboot. This internal disruption is the reason for the recall.

When the device shuts down out of the blue, it may or may not sound the requisite alarm that would allow providers to intervene. If the device does not sound the alarm, patients may lose oxygen for an extended period, without a provider even knowing.

Philips was notified of these problems and began the recall process on March 10. Currently, it is estimated that 56,671 devices have been distributed throughout the United States. The FDA and Philips Respironics advise that if providers are already using these ventilators, they may continue to do so in accordance with extra set of instructions.

First, customers should connect the device to an external alarm or nurse call system. Second, they should use an external oxygen monitor and a pulse oximeter to keep track of air flow. Finally, if one is available, there should be a backup ventilator on the premises. That way, if there is an interruption in oxygen flow, someone will be alerted and can quickly intervene.

If there is a problem, the patient should be removed from the Philips ventilator and immediately placed on an alternate device. The FDA instructs customers who have experienced problems to report them to its MedWatch database.

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

The U.S. Food and Drug Administration has announced a Class I recall for Philips Respironics V60 and V60 Plus ventilators, citing a power failure leading to potential oxygen deprivation. Class I recalls, the most severe, are reserved for devices that may cause serious injury or death, as noted in the FDA’s announcement. As of April 14, one death and four injuries have been associated with this device failure.

These ventilators are commonly used in hospitals or under medical supervision for patients who have difficulty regulating breathing on their own. Normally, if oxygen flow is interrupted, the device sounds alarms, alerting supervisors. The failure comes when a power fluctuation causes the device to randomly shut down, which forces the alarm system to reboot. This internal disruption is the reason for the recall.

When the device shuts down out of the blue, it may or may not sound the requisite alarm that would allow providers to intervene. If the device does not sound the alarm, patients may lose oxygen for an extended period, without a provider even knowing.

Philips was notified of these problems and began the recall process on March 10. Currently, it is estimated that 56,671 devices have been distributed throughout the United States. The FDA and Philips Respironics advise that if providers are already using these ventilators, they may continue to do so in accordance with extra set of instructions.

First, customers should connect the device to an external alarm or nurse call system. Second, they should use an external oxygen monitor and a pulse oximeter to keep track of air flow. Finally, if one is available, there should be a backup ventilator on the premises. That way, if there is an interruption in oxygen flow, someone will be alerted and can quickly intervene.

If there is a problem, the patient should be removed from the Philips ventilator and immediately placed on an alternate device. The FDA instructs customers who have experienced problems to report them to its MedWatch database.

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

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Data concerns mount despite ISCHEMIA substudy correction

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A long-standing request to clarify data irregularities in a 2021 ISCHEMIA substudy resulted in the publication of one correction, with a second correction in the works.

Further, the lone cardiac surgeon on the ISCHEMIA trial steering committee, T. Bruce Ferguson, MD, has resigned from the committee, citing a series of factors, including an inability to reconcile data in the substudy and two additional ISCHEMIA papers currently under review.

As previously reported, cardiac surgeons Faisal Bakaeen, MD, and Joseph Sabik III, MD, notified the journal Circulation in March that the Dr. Reynolds et al. substudy had inconsistencies between data in the main paper and supplemental tables detailing patients’ coronary artery disease (CAD) and ischemia severity.

The substudy found that CAD severity, classified using the modified Duke Prognostic Index score, predicted 4-year mortality and myocardial infarction in the landmark trial.

Circulation published a correction for the substudy on May 20, explaining that a “formatting error” resulted in data being incorrectly presented in two supplemental tables. It does not mention the surgeons’ letter to the editor, which can be found by clicking the “Q” icon below the paper.

Dr. Bakaeen, from the Cleveland Clinic, and Dr. Sabik, from University Hospitals Cleveland Medical Center, told this news organization that they submitted a second letter to editor on May 23 stating that “significant discrepancies” persist.

For example, 7.2% of participants (179/2,475) had moderate stenosis in one coronary vessel in the corrected Reynolds paper (Supplemental Tables I and II) versus 23.3% (697/2,986) in the primary ISCHEMIA manuscript published  in the New England Journal of Medicine (Table S5).

The number of patients with left main ≥ 50% stenosis is, surprisingly, identical in both manuscripts, at 40, they said, despite the denominator dropping from 3,845 participants in the primary study to 2,475 participants with an evaluable modified Duke Prognostic Index score in the substudy.

The number of participants with previous coronary artery bypass surgery (CABG) is also hard to reconcile between manuscripts and, importantly, the substudy doesn’t distinguish between lesions bypassed with patent grafts and unbypassed grafts or those with occluded grafts.

“The fact that the authors are working on a second correction is appreciated, but with such numerous inconsistencies, at some point you reach the conclusion that an independent review of the data is the right thing to do for such a high-profile study that received over $100 million of National Institutes of Health support,” Dr. Bakaeen said. “No one should be satisfied or happy if there is any shadow of doubt here regarding the accuracy of the data.”

Speaking to this news organization prior to the first correction, lead substudy author Harmony Reynolds, MD, NYU Langone Health, detailed in depth how the formatting glitch inadvertently upgraded the number of diseased vessels and lesion severity in two supplemental tables.

Dr. Harmony Reynolds


She noted, as does the correction, that the data were correctly reported in the main manuscript tables and figures and in the remainder of the supplement.

Dr. Reynolds also said they’re in the process of preparing the data for “public sharing soon,” including the Duke Prognostic score at all levels. Dr. Reynolds had not responded by the time of this publication to a request for further details or a timeline.

The surgeons’ first letter to the editor was rejected because it was submitted outside the journal’s 6-week window for letters and was posted as a public comment April 18 via the research platform, Remarq.

Dr. Bakaeen said they were told their second letter was rejected because of Circulation’s “long standing policy” not to publish letters to the editor regarding manuscript corrections but that a correction is being issued.

Circulation editor-in-chief Joseph A. Hill, MD, PhD, UT Southwestern Medical Center, Dallas, said via email that the journal will update its online policies to more clearly state its requirements for publication and that it has been fully transparent with Dr. Bakaeen and Dr. Sabik regarding where it is in the current process.

He confirmed the surgeons were told June 1 that “after additional review, the authors have determined that whereas there are no errors, an additional minor correction is warranted to clarify the description of the study population and sample size. This correction will be published soon.”

Dr. Hill thanked Dr. Bakaeen and Dr. Sabik for bringing the matter to their attention and said, “It is also important to note that both updates to the Dr. Reynolds et al. paper are published as corrections. However, the results and conclusions of the paper remain unchanged.”
 
 

 

The bigger issue

Importantly, the recent AHA/ACC/SCAI coronary revascularization guidelines used ISCHEMIA data to support downgrading the CABG recommendation from class 1 to class 2B in 3-vessel CAD with normal left ventricular function and from class 1 to 2a in 3-vessel CAD with mild to moderate left ventricular dysfunction.

The trial reported no significant benefit with an initial invasive strategy over medical therapy in stable patients with moderate or severe CAD. European guidelines, however, give CABG a class I recommendation for severe three- or two-vessel disease with proximal left anterior descending (LAD) involvement.

Dr. Sabik and Dr. Bakaeen say patients with severe three- or two-vessel disease with proximal LAD involvement were underrepresented in the randomized trials cited by the guidelines but are the typical CABG patients in modern-day practice.

“That is why it is important to determine the severity of CAD accurately and definitively in ISCHEMIA,” Dr. Bakaeen said. “But the more we look at the data, the more errors we encounter.”

Two U.S. surgical groups that were part of the writing process withdrew support for the revascularization guidelines, as did several international surgical societies, citing the data used to support the changes as well as the makeup of the writing committee.

Dr. Ferguson, now with the medical device manufacturer Perfusio, said he resigned from the ISCHEMIA steering committee on May 8 after being unable to accurately reconcile the ISCHEMIA surgical subset data with the Reynolds substudy and two other ISCHEMIA papers on the CABG subset. At least one of those papers, he noted, was being hurriedly pushed through the review process to counter concerns raised by surgeons regarding interpretation of ISCHEMIA.



“This is the first time in my lengthy career in medicine where a level of political agendaism was actually driving the truck,” he said. “It was appalling to me, and I would have said that if I was an interventional cardiologist looking at the results.”

ISCHEMIA results have also been touted as representing state-of-the-art care around the world, but that didn’t appear to be the case for the surgical subset where, for example, China and India performed most CABGs off pump, and globally there was considerable variation in how surgeons approached surgical revascularization strategies, Dr. Ferguson said. “Whether this variability might impact the guideline discussion and these papers coming out remains to be determined.”

He noted that the study protocol allowed for the ISCHEMIA investigators to evaluate whether the variability in the surgical subset influenced the results by comparing the data to that in the Society of Thoracic Surgeons registry, but this option was never acted upon despite being brought to their attention.

“Something political between 2020 and 2022 has crept into the ISCHEMIA trial mindset gestalt, and I don’t like it,” Dr. Ferguson said. “And this can have enormous consequences.”

Asked whether their letters to Circulation are being used to undermine confidence in the ISCHEMIA findings, Dr. Sabik replied, “It is not about undermining ISCHEMIA, but understanding how applicable ISCHEMIA is to patients having CABG today. Understanding the severity of the CAD in patients enrolled in ISCHEMIA is, therefore, necessary.”

“The authors and Circulation have admitted to errors,” he said. “We want to be sure we understand how severe the errors are.”

“This is just about accuracy in a manuscript that may affect patient treatment and therefore patient lives. We want to make sure it is correct,” Dr. Sabik added.

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

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A long-standing request to clarify data irregularities in a 2021 ISCHEMIA substudy resulted in the publication of one correction, with a second correction in the works.

Further, the lone cardiac surgeon on the ISCHEMIA trial steering committee, T. Bruce Ferguson, MD, has resigned from the committee, citing a series of factors, including an inability to reconcile data in the substudy and two additional ISCHEMIA papers currently under review.

As previously reported, cardiac surgeons Faisal Bakaeen, MD, and Joseph Sabik III, MD, notified the journal Circulation in March that the Dr. Reynolds et al. substudy had inconsistencies between data in the main paper and supplemental tables detailing patients’ coronary artery disease (CAD) and ischemia severity.

The substudy found that CAD severity, classified using the modified Duke Prognostic Index score, predicted 4-year mortality and myocardial infarction in the landmark trial.

Circulation published a correction for the substudy on May 20, explaining that a “formatting error” resulted in data being incorrectly presented in two supplemental tables. It does not mention the surgeons’ letter to the editor, which can be found by clicking the “Q” icon below the paper.

Dr. Bakaeen, from the Cleveland Clinic, and Dr. Sabik, from University Hospitals Cleveland Medical Center, told this news organization that they submitted a second letter to editor on May 23 stating that “significant discrepancies” persist.

For example, 7.2% of participants (179/2,475) had moderate stenosis in one coronary vessel in the corrected Reynolds paper (Supplemental Tables I and II) versus 23.3% (697/2,986) in the primary ISCHEMIA manuscript published  in the New England Journal of Medicine (Table S5).

The number of patients with left main ≥ 50% stenosis is, surprisingly, identical in both manuscripts, at 40, they said, despite the denominator dropping from 3,845 participants in the primary study to 2,475 participants with an evaluable modified Duke Prognostic Index score in the substudy.

The number of participants with previous coronary artery bypass surgery (CABG) is also hard to reconcile between manuscripts and, importantly, the substudy doesn’t distinguish between lesions bypassed with patent grafts and unbypassed grafts or those with occluded grafts.

“The fact that the authors are working on a second correction is appreciated, but with such numerous inconsistencies, at some point you reach the conclusion that an independent review of the data is the right thing to do for such a high-profile study that received over $100 million of National Institutes of Health support,” Dr. Bakaeen said. “No one should be satisfied or happy if there is any shadow of doubt here regarding the accuracy of the data.”

Speaking to this news organization prior to the first correction, lead substudy author Harmony Reynolds, MD, NYU Langone Health, detailed in depth how the formatting glitch inadvertently upgraded the number of diseased vessels and lesion severity in two supplemental tables.

Dr. Harmony Reynolds


She noted, as does the correction, that the data were correctly reported in the main manuscript tables and figures and in the remainder of the supplement.

Dr. Reynolds also said they’re in the process of preparing the data for “public sharing soon,” including the Duke Prognostic score at all levels. Dr. Reynolds had not responded by the time of this publication to a request for further details or a timeline.

The surgeons’ first letter to the editor was rejected because it was submitted outside the journal’s 6-week window for letters and was posted as a public comment April 18 via the research platform, Remarq.

Dr. Bakaeen said they were told their second letter was rejected because of Circulation’s “long standing policy” not to publish letters to the editor regarding manuscript corrections but that a correction is being issued.

Circulation editor-in-chief Joseph A. Hill, MD, PhD, UT Southwestern Medical Center, Dallas, said via email that the journal will update its online policies to more clearly state its requirements for publication and that it has been fully transparent with Dr. Bakaeen and Dr. Sabik regarding where it is in the current process.

He confirmed the surgeons were told June 1 that “after additional review, the authors have determined that whereas there are no errors, an additional minor correction is warranted to clarify the description of the study population and sample size. This correction will be published soon.”

Dr. Hill thanked Dr. Bakaeen and Dr. Sabik for bringing the matter to their attention and said, “It is also important to note that both updates to the Dr. Reynolds et al. paper are published as corrections. However, the results and conclusions of the paper remain unchanged.”
 
 

 

The bigger issue

Importantly, the recent AHA/ACC/SCAI coronary revascularization guidelines used ISCHEMIA data to support downgrading the CABG recommendation from class 1 to class 2B in 3-vessel CAD with normal left ventricular function and from class 1 to 2a in 3-vessel CAD with mild to moderate left ventricular dysfunction.

The trial reported no significant benefit with an initial invasive strategy over medical therapy in stable patients with moderate or severe CAD. European guidelines, however, give CABG a class I recommendation for severe three- or two-vessel disease with proximal left anterior descending (LAD) involvement.

Dr. Sabik and Dr. Bakaeen say patients with severe three- or two-vessel disease with proximal LAD involvement were underrepresented in the randomized trials cited by the guidelines but are the typical CABG patients in modern-day practice.

“That is why it is important to determine the severity of CAD accurately and definitively in ISCHEMIA,” Dr. Bakaeen said. “But the more we look at the data, the more errors we encounter.”

Two U.S. surgical groups that were part of the writing process withdrew support for the revascularization guidelines, as did several international surgical societies, citing the data used to support the changes as well as the makeup of the writing committee.

Dr. Ferguson, now with the medical device manufacturer Perfusio, said he resigned from the ISCHEMIA steering committee on May 8 after being unable to accurately reconcile the ISCHEMIA surgical subset data with the Reynolds substudy and two other ISCHEMIA papers on the CABG subset. At least one of those papers, he noted, was being hurriedly pushed through the review process to counter concerns raised by surgeons regarding interpretation of ISCHEMIA.



“This is the first time in my lengthy career in medicine where a level of political agendaism was actually driving the truck,” he said. “It was appalling to me, and I would have said that if I was an interventional cardiologist looking at the results.”

ISCHEMIA results have also been touted as representing state-of-the-art care around the world, but that didn’t appear to be the case for the surgical subset where, for example, China and India performed most CABGs off pump, and globally there was considerable variation in how surgeons approached surgical revascularization strategies, Dr. Ferguson said. “Whether this variability might impact the guideline discussion and these papers coming out remains to be determined.”

He noted that the study protocol allowed for the ISCHEMIA investigators to evaluate whether the variability in the surgical subset influenced the results by comparing the data to that in the Society of Thoracic Surgeons registry, but this option was never acted upon despite being brought to their attention.

“Something political between 2020 and 2022 has crept into the ISCHEMIA trial mindset gestalt, and I don’t like it,” Dr. Ferguson said. “And this can have enormous consequences.”

Asked whether their letters to Circulation are being used to undermine confidence in the ISCHEMIA findings, Dr. Sabik replied, “It is not about undermining ISCHEMIA, but understanding how applicable ISCHEMIA is to patients having CABG today. Understanding the severity of the CAD in patients enrolled in ISCHEMIA is, therefore, necessary.”

“The authors and Circulation have admitted to errors,” he said. “We want to be sure we understand how severe the errors are.”

“This is just about accuracy in a manuscript that may affect patient treatment and therefore patient lives. We want to make sure it is correct,” Dr. Sabik added.

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

A long-standing request to clarify data irregularities in a 2021 ISCHEMIA substudy resulted in the publication of one correction, with a second correction in the works.

Further, the lone cardiac surgeon on the ISCHEMIA trial steering committee, T. Bruce Ferguson, MD, has resigned from the committee, citing a series of factors, including an inability to reconcile data in the substudy and two additional ISCHEMIA papers currently under review.

As previously reported, cardiac surgeons Faisal Bakaeen, MD, and Joseph Sabik III, MD, notified the journal Circulation in March that the Dr. Reynolds et al. substudy had inconsistencies between data in the main paper and supplemental tables detailing patients’ coronary artery disease (CAD) and ischemia severity.

The substudy found that CAD severity, classified using the modified Duke Prognostic Index score, predicted 4-year mortality and myocardial infarction in the landmark trial.

Circulation published a correction for the substudy on May 20, explaining that a “formatting error” resulted in data being incorrectly presented in two supplemental tables. It does not mention the surgeons’ letter to the editor, which can be found by clicking the “Q” icon below the paper.

Dr. Bakaeen, from the Cleveland Clinic, and Dr. Sabik, from University Hospitals Cleveland Medical Center, told this news organization that they submitted a second letter to editor on May 23 stating that “significant discrepancies” persist.

For example, 7.2% of participants (179/2,475) had moderate stenosis in one coronary vessel in the corrected Reynolds paper (Supplemental Tables I and II) versus 23.3% (697/2,986) in the primary ISCHEMIA manuscript published  in the New England Journal of Medicine (Table S5).

The number of patients with left main ≥ 50% stenosis is, surprisingly, identical in both manuscripts, at 40, they said, despite the denominator dropping from 3,845 participants in the primary study to 2,475 participants with an evaluable modified Duke Prognostic Index score in the substudy.

The number of participants with previous coronary artery bypass surgery (CABG) is also hard to reconcile between manuscripts and, importantly, the substudy doesn’t distinguish between lesions bypassed with patent grafts and unbypassed grafts or those with occluded grafts.

“The fact that the authors are working on a second correction is appreciated, but with such numerous inconsistencies, at some point you reach the conclusion that an independent review of the data is the right thing to do for such a high-profile study that received over $100 million of National Institutes of Health support,” Dr. Bakaeen said. “No one should be satisfied or happy if there is any shadow of doubt here regarding the accuracy of the data.”

Speaking to this news organization prior to the first correction, lead substudy author Harmony Reynolds, MD, NYU Langone Health, detailed in depth how the formatting glitch inadvertently upgraded the number of diseased vessels and lesion severity in two supplemental tables.

Dr. Harmony Reynolds


She noted, as does the correction, that the data were correctly reported in the main manuscript tables and figures and in the remainder of the supplement.

Dr. Reynolds also said they’re in the process of preparing the data for “public sharing soon,” including the Duke Prognostic score at all levels. Dr. Reynolds had not responded by the time of this publication to a request for further details or a timeline.

The surgeons’ first letter to the editor was rejected because it was submitted outside the journal’s 6-week window for letters and was posted as a public comment April 18 via the research platform, Remarq.

Dr. Bakaeen said they were told their second letter was rejected because of Circulation’s “long standing policy” not to publish letters to the editor regarding manuscript corrections but that a correction is being issued.

Circulation editor-in-chief Joseph A. Hill, MD, PhD, UT Southwestern Medical Center, Dallas, said via email that the journal will update its online policies to more clearly state its requirements for publication and that it has been fully transparent with Dr. Bakaeen and Dr. Sabik regarding where it is in the current process.

He confirmed the surgeons were told June 1 that “after additional review, the authors have determined that whereas there are no errors, an additional minor correction is warranted to clarify the description of the study population and sample size. This correction will be published soon.”

Dr. Hill thanked Dr. Bakaeen and Dr. Sabik for bringing the matter to their attention and said, “It is also important to note that both updates to the Dr. Reynolds et al. paper are published as corrections. However, the results and conclusions of the paper remain unchanged.”
 
 

 

The bigger issue

Importantly, the recent AHA/ACC/SCAI coronary revascularization guidelines used ISCHEMIA data to support downgrading the CABG recommendation from class 1 to class 2B in 3-vessel CAD with normal left ventricular function and from class 1 to 2a in 3-vessel CAD with mild to moderate left ventricular dysfunction.

The trial reported no significant benefit with an initial invasive strategy over medical therapy in stable patients with moderate or severe CAD. European guidelines, however, give CABG a class I recommendation for severe three- or two-vessel disease with proximal left anterior descending (LAD) involvement.

Dr. Sabik and Dr. Bakaeen say patients with severe three- or two-vessel disease with proximal LAD involvement were underrepresented in the randomized trials cited by the guidelines but are the typical CABG patients in modern-day practice.

“That is why it is important to determine the severity of CAD accurately and definitively in ISCHEMIA,” Dr. Bakaeen said. “But the more we look at the data, the more errors we encounter.”

Two U.S. surgical groups that were part of the writing process withdrew support for the revascularization guidelines, as did several international surgical societies, citing the data used to support the changes as well as the makeup of the writing committee.

Dr. Ferguson, now with the medical device manufacturer Perfusio, said he resigned from the ISCHEMIA steering committee on May 8 after being unable to accurately reconcile the ISCHEMIA surgical subset data with the Reynolds substudy and two other ISCHEMIA papers on the CABG subset. At least one of those papers, he noted, was being hurriedly pushed through the review process to counter concerns raised by surgeons regarding interpretation of ISCHEMIA.



“This is the first time in my lengthy career in medicine where a level of political agendaism was actually driving the truck,” he said. “It was appalling to me, and I would have said that if I was an interventional cardiologist looking at the results.”

ISCHEMIA results have also been touted as representing state-of-the-art care around the world, but that didn’t appear to be the case for the surgical subset where, for example, China and India performed most CABGs off pump, and globally there was considerable variation in how surgeons approached surgical revascularization strategies, Dr. Ferguson said. “Whether this variability might impact the guideline discussion and these papers coming out remains to be determined.”

He noted that the study protocol allowed for the ISCHEMIA investigators to evaluate whether the variability in the surgical subset influenced the results by comparing the data to that in the Society of Thoracic Surgeons registry, but this option was never acted upon despite being brought to their attention.

“Something political between 2020 and 2022 has crept into the ISCHEMIA trial mindset gestalt, and I don’t like it,” Dr. Ferguson said. “And this can have enormous consequences.”

Asked whether their letters to Circulation are being used to undermine confidence in the ISCHEMIA findings, Dr. Sabik replied, “It is not about undermining ISCHEMIA, but understanding how applicable ISCHEMIA is to patients having CABG today. Understanding the severity of the CAD in patients enrolled in ISCHEMIA is, therefore, necessary.”

“The authors and Circulation have admitted to errors,” he said. “We want to be sure we understand how severe the errors are.”

“This is just about accuracy in a manuscript that may affect patient treatment and therefore patient lives. We want to make sure it is correct,” Dr. Sabik added.

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

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‘Genetic’ height linked to peripheral neuropathy and certain skin and bone infections

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A person’s ‘genetic’ height – the height they are predicted to reach independent of environmental influences – may be an underappreciated risk factor for a wide range of chronic conditions, according to a study published in PLOS Genetics.

Prior studies have investigated height as a risk factor for chronic diseases, such as a higher risk for atrial fibrillation and a reduced risk of cardiovascular disease. It’s been consistently difficult, however, to eliminate the confounding influences of diet, socioeconomics, lifestyle behaviors, and other environmental factors that may interfere with a person’s reaching their expected height based on their genes.

This study, however, was able to better parse those differences by using Mendelian randomization within the comprehensive clinical and genetic dataset of a national health care system biobank. Mendelian randomization uses “genetic instruments for exposures of interest under the assumption that genotype is less susceptible to confounding than measured exposures,” the authors explained. The findings confirmed previously suspected associations between height and a range of cardiovascular and metabolic conditions as well as revealing new associations with several other conditions.
 

Prior associations confirmed, new associations uncovered

The results confirmed that being tall is linked to a higher risk of atrial fibrillation and varicose veins, and a lower risk of coronary heart disease, high blood pressure, and high cholesterol. The study also uncovered new associations between greater height and a higher risk of peripheral neuropathy, which is caused by damage to nerves on the extremities, as well as skin and bone infections, such as leg and foot ulcers.

The meta-analysis “identified five additional traits associated with genetically-predicted height,” wrote Sridharan Raghavan, MD, assistant professor of medicine at the University of Colorado Anschutz Medical Campus, and colleagues. “Two were genitourinary conditions – erectile dysfunction and urinary retention – that can be associated with neuropathy, and a third was a phecode for nonspecific skin disorders that may be related to skin infections – consistent with the race/ethnicity stratified results.”
 

Removing potential confounders

F. Perry Wilson, MD, associate professor of medicine at Yale University, New Haven, Conn., who was not involved in the study, said the findings were not particularly surprising overall, but it’s striking that the researchers had ”such a large cohort with such detailed electronic health records allowing for the comparison of genetic height with a variety of clinical outcomes.” He also noted the study’s strength in using Mendelian randomization so that the exposure is the predicted genetic height instead of a person’s measured height.

“This is key, since lots of things affect actual height – nutrition is an important one that could certainly be linked to disease as well,” Dr. Wilson said. ”By using genetic height, the authors remove these potential confounders. Since genetic height is “assigned” at birth (or conception), there is little opportunity for confounding. Of course, it is possible that some of the gene variants used to predict genetic height actually do something else, such as make you seek out less nutritious meals, but by and large this is how these types of studies need to be done.”
 

 

 

Height may impact over 100 clinical traits

The study relied on data from the U.S. Veteran Affairs Million Veteran Program with 222,300 non-Hispanic White and 58,151 non-Hispanic Black participants. The researchers first estimated the likelihood of participants’ genetic height based on 3,290 genetic variants determined to affect genetic height in a recent European-ancestry genome-wide meta-analysis. Then they compared these estimates with participants’ actual height in the VA medical record, adjusting for age, sex, and other genetic characteristics.

In doing so, the researchers found 345 clinical traits that were associated with the actual measured height in White participants plus another 17 clinical trials linked to actual measured height in Black participants. An overall 127 of these clinical traits were significantly associated with White participants’ genetically predicted height, and two of them were significantly associated with Black participants’ genetically predicted height.

In analyzing all these data together, the researchers were largely able to separate out those associations between genetically predicted height and certain health conditions from those associations between health conditions and a person’s actual measured height. They also determined that including body mass index as a covariate had little impact on the results. The researchers conducted the appropriate statistical correction to ensure the use of so many variables did not result in spurious statistical significance in some associations.

“Using genetic methods applied to the VA Million Veteran Program, we found evidence that adult height may impact over 100 clinical traits, including several conditions associated with poor outcomes and quality of life – peripheral neuropathy, lower extremity ulcers, and chronic venous insufficiency. We conclude that height may be an unrecognized nonmodifiable risk factor for several common conditions in adults.”
 

Height linked with health conditions

Genetically predicted height predicted a reduced risk of hyperlipidemia and hypertension independent of coronary heart disease, the analysis revealed. Genetically predicted height was also linked to an approximately 51% increased risk of atrial fibrillation in participants without coronary heart disease but, paradoxically, only a 39% increased risk in those with coronary heart disease, despite coronary heart disease being a risk factor for atrial fibrillation. Genetically predicted height was also associated with a greater risk of varicose veins in the legs and deep vein thrombosis.

Another novel association uncovered by the analysis was between women’s genetically predicted height and both asthma and nonspecific peripheral nerve disorders. “Whether these associations reflect differences by sex in disease pathophysiology related to height may warrant exploration in a sample with better balance between men and women,” the authors wrote. “In sum, our results suggest that an individual’s height may warrant consideration as a nonmodifiable predictor for several common conditions, particularly those affecting peripheral/distal extremities that are most physically impacted by tall stature.”

A substantial limitation of the study was its homogeneity of participants, who were 92% male with an average height of 176 cm and an average BMI of 30.1. The Black participants tended to be younger, with an average age of 58 compared with 64 years in the White participants, but the groups were otherwise similar in height and weight.* The database included data from Hispanic participants, but the researchers excluded these data because of the small sample size.

The smaller dataset for Black participants was a limitation as well as the fact that the genome-wide association study the researchers relied on came from a European population, which may not be as accurate in people with other ancestry, Dr. Wilson said. The bigger limitation, however, is what the findings’ clinical relevance is.
 

 

 

What does it all mean?

“Genetic height is in your genes – there is nothing to be done about it – so it is more of academic interest than clinical interest,” Dr. Wilson said. It’s not even clear whether incorporating a person’s height – actual or genetically predicted, if it could be easily determined for each person – into risk calculators. ”To know whether it would be beneficial to use height (or genetic height) as a risk factor, you’d need to examine each condition of interest, adjusting for all known risk factors, to see if height improved the prediction,” Dr. Wilson said. “I suspect for most conditions, the well-known risk factors would swamp height. For example, high genetic height might truly increase risk for neuropathy. But diabetes might increase the risk so much more that height is not particularly relevant.”

On the other hand, the fact that height in general has any potential influence at all on disease risk may inspire physicians to consider other risk factors in especially tall individuals.

”Physicians may find it interesting that we have some confirmation that height does increase the risk of certain conditions,” Dr. Wilson said. “While this is unlikely to dramatically change practice, they may be a bit more diligent in looking for other relevant risk factors for the diseases found in this study in their very tall patients.”

The research was funded by the U.S. Department of Veteran Affairs, the Boettcher Foundation’s Webb-Waring Biomedical Research Program, the National Institutes of Health, and a Linda Pechenik Montague Investigator award. One study coauthor is a full-time employee of Novartis Institutes of Biomedical Research. The other authors and Dr. Wilson had no disclosures.

*Correction, 6/29/22: An earlier version of this article misstated the average age of Black participants.

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A person’s ‘genetic’ height – the height they are predicted to reach independent of environmental influences – may be an underappreciated risk factor for a wide range of chronic conditions, according to a study published in PLOS Genetics.

Prior studies have investigated height as a risk factor for chronic diseases, such as a higher risk for atrial fibrillation and a reduced risk of cardiovascular disease. It’s been consistently difficult, however, to eliminate the confounding influences of diet, socioeconomics, lifestyle behaviors, and other environmental factors that may interfere with a person’s reaching their expected height based on their genes.

This study, however, was able to better parse those differences by using Mendelian randomization within the comprehensive clinical and genetic dataset of a national health care system biobank. Mendelian randomization uses “genetic instruments for exposures of interest under the assumption that genotype is less susceptible to confounding than measured exposures,” the authors explained. The findings confirmed previously suspected associations between height and a range of cardiovascular and metabolic conditions as well as revealing new associations with several other conditions.
 

Prior associations confirmed, new associations uncovered

The results confirmed that being tall is linked to a higher risk of atrial fibrillation and varicose veins, and a lower risk of coronary heart disease, high blood pressure, and high cholesterol. The study also uncovered new associations between greater height and a higher risk of peripheral neuropathy, which is caused by damage to nerves on the extremities, as well as skin and bone infections, such as leg and foot ulcers.

The meta-analysis “identified five additional traits associated with genetically-predicted height,” wrote Sridharan Raghavan, MD, assistant professor of medicine at the University of Colorado Anschutz Medical Campus, and colleagues. “Two were genitourinary conditions – erectile dysfunction and urinary retention – that can be associated with neuropathy, and a third was a phecode for nonspecific skin disorders that may be related to skin infections – consistent with the race/ethnicity stratified results.”
 

Removing potential confounders

F. Perry Wilson, MD, associate professor of medicine at Yale University, New Haven, Conn., who was not involved in the study, said the findings were not particularly surprising overall, but it’s striking that the researchers had ”such a large cohort with such detailed electronic health records allowing for the comparison of genetic height with a variety of clinical outcomes.” He also noted the study’s strength in using Mendelian randomization so that the exposure is the predicted genetic height instead of a person’s measured height.

“This is key, since lots of things affect actual height – nutrition is an important one that could certainly be linked to disease as well,” Dr. Wilson said. ”By using genetic height, the authors remove these potential confounders. Since genetic height is “assigned” at birth (or conception), there is little opportunity for confounding. Of course, it is possible that some of the gene variants used to predict genetic height actually do something else, such as make you seek out less nutritious meals, but by and large this is how these types of studies need to be done.”
 

 

 

Height may impact over 100 clinical traits

The study relied on data from the U.S. Veteran Affairs Million Veteran Program with 222,300 non-Hispanic White and 58,151 non-Hispanic Black participants. The researchers first estimated the likelihood of participants’ genetic height based on 3,290 genetic variants determined to affect genetic height in a recent European-ancestry genome-wide meta-analysis. Then they compared these estimates with participants’ actual height in the VA medical record, adjusting for age, sex, and other genetic characteristics.

In doing so, the researchers found 345 clinical traits that were associated with the actual measured height in White participants plus another 17 clinical trials linked to actual measured height in Black participants. An overall 127 of these clinical traits were significantly associated with White participants’ genetically predicted height, and two of them were significantly associated with Black participants’ genetically predicted height.

In analyzing all these data together, the researchers were largely able to separate out those associations between genetically predicted height and certain health conditions from those associations between health conditions and a person’s actual measured height. They also determined that including body mass index as a covariate had little impact on the results. The researchers conducted the appropriate statistical correction to ensure the use of so many variables did not result in spurious statistical significance in some associations.

“Using genetic methods applied to the VA Million Veteran Program, we found evidence that adult height may impact over 100 clinical traits, including several conditions associated with poor outcomes and quality of life – peripheral neuropathy, lower extremity ulcers, and chronic venous insufficiency. We conclude that height may be an unrecognized nonmodifiable risk factor for several common conditions in adults.”
 

Height linked with health conditions

Genetically predicted height predicted a reduced risk of hyperlipidemia and hypertension independent of coronary heart disease, the analysis revealed. Genetically predicted height was also linked to an approximately 51% increased risk of atrial fibrillation in participants without coronary heart disease but, paradoxically, only a 39% increased risk in those with coronary heart disease, despite coronary heart disease being a risk factor for atrial fibrillation. Genetically predicted height was also associated with a greater risk of varicose veins in the legs and deep vein thrombosis.

Another novel association uncovered by the analysis was between women’s genetically predicted height and both asthma and nonspecific peripheral nerve disorders. “Whether these associations reflect differences by sex in disease pathophysiology related to height may warrant exploration in a sample with better balance between men and women,” the authors wrote. “In sum, our results suggest that an individual’s height may warrant consideration as a nonmodifiable predictor for several common conditions, particularly those affecting peripheral/distal extremities that are most physically impacted by tall stature.”

A substantial limitation of the study was its homogeneity of participants, who were 92% male with an average height of 176 cm and an average BMI of 30.1. The Black participants tended to be younger, with an average age of 58 compared with 64 years in the White participants, but the groups were otherwise similar in height and weight.* The database included data from Hispanic participants, but the researchers excluded these data because of the small sample size.

The smaller dataset for Black participants was a limitation as well as the fact that the genome-wide association study the researchers relied on came from a European population, which may not be as accurate in people with other ancestry, Dr. Wilson said. The bigger limitation, however, is what the findings’ clinical relevance is.
 

 

 

What does it all mean?

“Genetic height is in your genes – there is nothing to be done about it – so it is more of academic interest than clinical interest,” Dr. Wilson said. It’s not even clear whether incorporating a person’s height – actual or genetically predicted, if it could be easily determined for each person – into risk calculators. ”To know whether it would be beneficial to use height (or genetic height) as a risk factor, you’d need to examine each condition of interest, adjusting for all known risk factors, to see if height improved the prediction,” Dr. Wilson said. “I suspect for most conditions, the well-known risk factors would swamp height. For example, high genetic height might truly increase risk for neuropathy. But diabetes might increase the risk so much more that height is not particularly relevant.”

On the other hand, the fact that height in general has any potential influence at all on disease risk may inspire physicians to consider other risk factors in especially tall individuals.

”Physicians may find it interesting that we have some confirmation that height does increase the risk of certain conditions,” Dr. Wilson said. “While this is unlikely to dramatically change practice, they may be a bit more diligent in looking for other relevant risk factors for the diseases found in this study in their very tall patients.”

The research was funded by the U.S. Department of Veteran Affairs, the Boettcher Foundation’s Webb-Waring Biomedical Research Program, the National Institutes of Health, and a Linda Pechenik Montague Investigator award. One study coauthor is a full-time employee of Novartis Institutes of Biomedical Research. The other authors and Dr. Wilson had no disclosures.

*Correction, 6/29/22: An earlier version of this article misstated the average age of Black participants.

A person’s ‘genetic’ height – the height they are predicted to reach independent of environmental influences – may be an underappreciated risk factor for a wide range of chronic conditions, according to a study published in PLOS Genetics.

Prior studies have investigated height as a risk factor for chronic diseases, such as a higher risk for atrial fibrillation and a reduced risk of cardiovascular disease. It’s been consistently difficult, however, to eliminate the confounding influences of diet, socioeconomics, lifestyle behaviors, and other environmental factors that may interfere with a person’s reaching their expected height based on their genes.

This study, however, was able to better parse those differences by using Mendelian randomization within the comprehensive clinical and genetic dataset of a national health care system biobank. Mendelian randomization uses “genetic instruments for exposures of interest under the assumption that genotype is less susceptible to confounding than measured exposures,” the authors explained. The findings confirmed previously suspected associations between height and a range of cardiovascular and metabolic conditions as well as revealing new associations with several other conditions.
 

Prior associations confirmed, new associations uncovered

The results confirmed that being tall is linked to a higher risk of atrial fibrillation and varicose veins, and a lower risk of coronary heart disease, high blood pressure, and high cholesterol. The study also uncovered new associations between greater height and a higher risk of peripheral neuropathy, which is caused by damage to nerves on the extremities, as well as skin and bone infections, such as leg and foot ulcers.

The meta-analysis “identified five additional traits associated with genetically-predicted height,” wrote Sridharan Raghavan, MD, assistant professor of medicine at the University of Colorado Anschutz Medical Campus, and colleagues. “Two were genitourinary conditions – erectile dysfunction and urinary retention – that can be associated with neuropathy, and a third was a phecode for nonspecific skin disorders that may be related to skin infections – consistent with the race/ethnicity stratified results.”
 

Removing potential confounders

F. Perry Wilson, MD, associate professor of medicine at Yale University, New Haven, Conn., who was not involved in the study, said the findings were not particularly surprising overall, but it’s striking that the researchers had ”such a large cohort with such detailed electronic health records allowing for the comparison of genetic height with a variety of clinical outcomes.” He also noted the study’s strength in using Mendelian randomization so that the exposure is the predicted genetic height instead of a person’s measured height.

“This is key, since lots of things affect actual height – nutrition is an important one that could certainly be linked to disease as well,” Dr. Wilson said. ”By using genetic height, the authors remove these potential confounders. Since genetic height is “assigned” at birth (or conception), there is little opportunity for confounding. Of course, it is possible that some of the gene variants used to predict genetic height actually do something else, such as make you seek out less nutritious meals, but by and large this is how these types of studies need to be done.”
 

 

 

Height may impact over 100 clinical traits

The study relied on data from the U.S. Veteran Affairs Million Veteran Program with 222,300 non-Hispanic White and 58,151 non-Hispanic Black participants. The researchers first estimated the likelihood of participants’ genetic height based on 3,290 genetic variants determined to affect genetic height in a recent European-ancestry genome-wide meta-analysis. Then they compared these estimates with participants’ actual height in the VA medical record, adjusting for age, sex, and other genetic characteristics.

In doing so, the researchers found 345 clinical traits that were associated with the actual measured height in White participants plus another 17 clinical trials linked to actual measured height in Black participants. An overall 127 of these clinical traits were significantly associated with White participants’ genetically predicted height, and two of them were significantly associated with Black participants’ genetically predicted height.

In analyzing all these data together, the researchers were largely able to separate out those associations between genetically predicted height and certain health conditions from those associations between health conditions and a person’s actual measured height. They also determined that including body mass index as a covariate had little impact on the results. The researchers conducted the appropriate statistical correction to ensure the use of so many variables did not result in spurious statistical significance in some associations.

“Using genetic methods applied to the VA Million Veteran Program, we found evidence that adult height may impact over 100 clinical traits, including several conditions associated with poor outcomes and quality of life – peripheral neuropathy, lower extremity ulcers, and chronic venous insufficiency. We conclude that height may be an unrecognized nonmodifiable risk factor for several common conditions in adults.”
 

Height linked with health conditions

Genetically predicted height predicted a reduced risk of hyperlipidemia and hypertension independent of coronary heart disease, the analysis revealed. Genetically predicted height was also linked to an approximately 51% increased risk of atrial fibrillation in participants without coronary heart disease but, paradoxically, only a 39% increased risk in those with coronary heart disease, despite coronary heart disease being a risk factor for atrial fibrillation. Genetically predicted height was also associated with a greater risk of varicose veins in the legs and deep vein thrombosis.

Another novel association uncovered by the analysis was between women’s genetically predicted height and both asthma and nonspecific peripheral nerve disorders. “Whether these associations reflect differences by sex in disease pathophysiology related to height may warrant exploration in a sample with better balance between men and women,” the authors wrote. “In sum, our results suggest that an individual’s height may warrant consideration as a nonmodifiable predictor for several common conditions, particularly those affecting peripheral/distal extremities that are most physically impacted by tall stature.”

A substantial limitation of the study was its homogeneity of participants, who were 92% male with an average height of 176 cm and an average BMI of 30.1. The Black participants tended to be younger, with an average age of 58 compared with 64 years in the White participants, but the groups were otherwise similar in height and weight.* The database included data from Hispanic participants, but the researchers excluded these data because of the small sample size.

The smaller dataset for Black participants was a limitation as well as the fact that the genome-wide association study the researchers relied on came from a European population, which may not be as accurate in people with other ancestry, Dr. Wilson said. The bigger limitation, however, is what the findings’ clinical relevance is.
 

 

 

What does it all mean?

“Genetic height is in your genes – there is nothing to be done about it – so it is more of academic interest than clinical interest,” Dr. Wilson said. It’s not even clear whether incorporating a person’s height – actual or genetically predicted, if it could be easily determined for each person – into risk calculators. ”To know whether it would be beneficial to use height (or genetic height) as a risk factor, you’d need to examine each condition of interest, adjusting for all known risk factors, to see if height improved the prediction,” Dr. Wilson said. “I suspect for most conditions, the well-known risk factors would swamp height. For example, high genetic height might truly increase risk for neuropathy. But diabetes might increase the risk so much more that height is not particularly relevant.”

On the other hand, the fact that height in general has any potential influence at all on disease risk may inspire physicians to consider other risk factors in especially tall individuals.

”Physicians may find it interesting that we have some confirmation that height does increase the risk of certain conditions,” Dr. Wilson said. “While this is unlikely to dramatically change practice, they may be a bit more diligent in looking for other relevant risk factors for the diseases found in this study in their very tall patients.”

The research was funded by the U.S. Department of Veteran Affairs, the Boettcher Foundation’s Webb-Waring Biomedical Research Program, the National Institutes of Health, and a Linda Pechenik Montague Investigator award. One study coauthor is a full-time employee of Novartis Institutes of Biomedical Research. The other authors and Dr. Wilson had no disclosures.

*Correction, 6/29/22: An earlier version of this article misstated the average age of Black participants.

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CTO PCI success rates rising, with blip during COVID-19, registry shows

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Technical and procedural success rates for chronic total occlusion percutaneous coronary intervention (CTO PCI) have increased steadily over the past 6 years, with rates of in-hospital major adverse cardiac events (MACE) declining to the 2%-or-lower range in that time.

“CTO PCI technical and procedural success rates are high and continue to increase over time,” Spyridon Kostantinis, MD said in presenting updated results from the international PROGRESS-CTO registry at the Society for Cardiovascular Angiography & Interventions annual scientific sessions.

Courtesy Minneapolis Heart Institute Foundation
Dr. Spyridon Kostantinis

“The overall success rate increased from 81.6% in 2018 to 88.1% in 2021,” he added. The overall incidence of in-hospital MACE in that time was “an acceptable” 2.1% without significant changes over that period.

The analysis examined clinical, angiographic and procedural outcomes of 10,249 CTO PCIs performed on 10,019 patients from 63 centers in nine countries during 2016-2021. PROGRESS-CTO stands for Prospective Global Registry for the Study of Chronic Total Occlusion Intervention.

The target CTOs were highly complex, he said, with an average J-CTO (multicenter CTO registry in Japan) score of 2.4 ± 1.3 and PROGRESS-CTO score of 1.3 ± 1. The most common CTO target vessel was the right coronary artery (53%), followed by the left anterior descending artery (26%) and the circumflex artery (19%).

The registry also tracked how characteristics of the CTO PCI procedures themselves changed over time. “The septal and the epicardial collaterals were the most common collaterals used for retrograde crossing, with a decreasing trend for epicardial collaterals over time,” said Dr. Kostantinis, a research fellow at the Minneapolis Heart Institute.

Septal collateral use varied between 64% and 69% of cases from 2016 to 2021, but the share of epicardial collaterals declined from 35% to 22% in that time.

“Over time, the range of antegrade wiring as the final successfully crossing strategy increased from 46% in 2016 to 61% in 2021, with a decrease in antegrade dissection and re-entry (ADR) and no change in the retrograde approach,” Dr. Kostantinis said. The percentage of procedures using ADR as the final crossing strategy declined from 18% in 2016 to 12% in 2021, with the rate of retrograde crossings peaking at 21% in 2016 but leveling off to 18% or 19% in the subsequent years.



“An increasing use in the efficiency of antegrade wiring may reflect an improvement in guidewire retrograde crossing as well as the increasing operator expertise,” Dr. Kostantinis said.

The study also found that contrast volume, air kerma radiation dose, fluoroscopy time, and procedure time declined steadily over time. “The potential explanations for these are using new x-ray systems as well as the use of intravascular imaging,” Dr. Kostantinis said.

In 2020, the rates of technical and procedural success, as well as the number of overall procedures, declined from 2019, while MACE rates ticked upward that year, probably because of the COVID-19 pandemic, Dr. Kostantinis said.

“It is true that we noticed a rise in MACE rate from 1.6% in 2019 to 2.7% in 2020, but in 2021 that decreased again to 1.7%,” he said in an interview. “Another potential explanation is the higher angiographic complexity of CTOs treated during that year (2020) that resulted in more adverse events.”

Previous results from the PROGRESS-CTO registry reported the difference in MACE between 2019 and 2020 was significant (P  = .01). “So, yes, the difference between those 2 years is significant,” Dr. Kostantinis said. However, he noted, the overall trend was not significant, with a P value of .194.

The risk profile of CTO PCI has improved “slowly” over time, said Kirk N. Garratt, MD, but “it’s not yet were it needs to be.”

Dr. Kirk N. Garratt

He added, “Undoubtedly we’ve learned that, without any question, one method for minimizing the risk is to concentrate these cases in the hands of those that do many of them.” As the number of procedures fell – an “embedded” pandemic impact –“I worry that it’s inevitable that complication rates will tick up a bit,” said Dr. Garratt, director of the Center for Heart and Vascular Health at Christiana Care in Newark, Del.

By the same token, he added, this situation with regard to CTOs “parallels what’s happening elsewhere in interventional medicine and medicine broadly; numbers are increasing and we’re busy again. In most domains we’re not as busy as we had been prepandemic, and time will allow us to catch up.”

PROGRESS-CTO has received funding from the Joseph F. and Mary M. Fleischhacker Foundation and the Abbott Northwestern Hospital Foundation Innovation Grant.

Dr. Kostantinis has no disclosures. Dr. Garratt is an advisory board member for Abbott.

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Technical and procedural success rates for chronic total occlusion percutaneous coronary intervention (CTO PCI) have increased steadily over the past 6 years, with rates of in-hospital major adverse cardiac events (MACE) declining to the 2%-or-lower range in that time.

“CTO PCI technical and procedural success rates are high and continue to increase over time,” Spyridon Kostantinis, MD said in presenting updated results from the international PROGRESS-CTO registry at the Society for Cardiovascular Angiography & Interventions annual scientific sessions.

Courtesy Minneapolis Heart Institute Foundation
Dr. Spyridon Kostantinis

“The overall success rate increased from 81.6% in 2018 to 88.1% in 2021,” he added. The overall incidence of in-hospital MACE in that time was “an acceptable” 2.1% without significant changes over that period.

The analysis examined clinical, angiographic and procedural outcomes of 10,249 CTO PCIs performed on 10,019 patients from 63 centers in nine countries during 2016-2021. PROGRESS-CTO stands for Prospective Global Registry for the Study of Chronic Total Occlusion Intervention.

The target CTOs were highly complex, he said, with an average J-CTO (multicenter CTO registry in Japan) score of 2.4 ± 1.3 and PROGRESS-CTO score of 1.3 ± 1. The most common CTO target vessel was the right coronary artery (53%), followed by the left anterior descending artery (26%) and the circumflex artery (19%).

The registry also tracked how characteristics of the CTO PCI procedures themselves changed over time. “The septal and the epicardial collaterals were the most common collaterals used for retrograde crossing, with a decreasing trend for epicardial collaterals over time,” said Dr. Kostantinis, a research fellow at the Minneapolis Heart Institute.

Septal collateral use varied between 64% and 69% of cases from 2016 to 2021, but the share of epicardial collaterals declined from 35% to 22% in that time.

“Over time, the range of antegrade wiring as the final successfully crossing strategy increased from 46% in 2016 to 61% in 2021, with a decrease in antegrade dissection and re-entry (ADR) and no change in the retrograde approach,” Dr. Kostantinis said. The percentage of procedures using ADR as the final crossing strategy declined from 18% in 2016 to 12% in 2021, with the rate of retrograde crossings peaking at 21% in 2016 but leveling off to 18% or 19% in the subsequent years.



“An increasing use in the efficiency of antegrade wiring may reflect an improvement in guidewire retrograde crossing as well as the increasing operator expertise,” Dr. Kostantinis said.

The study also found that contrast volume, air kerma radiation dose, fluoroscopy time, and procedure time declined steadily over time. “The potential explanations for these are using new x-ray systems as well as the use of intravascular imaging,” Dr. Kostantinis said.

In 2020, the rates of technical and procedural success, as well as the number of overall procedures, declined from 2019, while MACE rates ticked upward that year, probably because of the COVID-19 pandemic, Dr. Kostantinis said.

“It is true that we noticed a rise in MACE rate from 1.6% in 2019 to 2.7% in 2020, but in 2021 that decreased again to 1.7%,” he said in an interview. “Another potential explanation is the higher angiographic complexity of CTOs treated during that year (2020) that resulted in more adverse events.”

Previous results from the PROGRESS-CTO registry reported the difference in MACE between 2019 and 2020 was significant (P  = .01). “So, yes, the difference between those 2 years is significant,” Dr. Kostantinis said. However, he noted, the overall trend was not significant, with a P value of .194.

The risk profile of CTO PCI has improved “slowly” over time, said Kirk N. Garratt, MD, but “it’s not yet were it needs to be.”

Dr. Kirk N. Garratt

He added, “Undoubtedly we’ve learned that, without any question, one method for minimizing the risk is to concentrate these cases in the hands of those that do many of them.” As the number of procedures fell – an “embedded” pandemic impact –“I worry that it’s inevitable that complication rates will tick up a bit,” said Dr. Garratt, director of the Center for Heart and Vascular Health at Christiana Care in Newark, Del.

By the same token, he added, this situation with regard to CTOs “parallels what’s happening elsewhere in interventional medicine and medicine broadly; numbers are increasing and we’re busy again. In most domains we’re not as busy as we had been prepandemic, and time will allow us to catch up.”

PROGRESS-CTO has received funding from the Joseph F. and Mary M. Fleischhacker Foundation and the Abbott Northwestern Hospital Foundation Innovation Grant.

Dr. Kostantinis has no disclosures. Dr. Garratt is an advisory board member for Abbott.

Technical and procedural success rates for chronic total occlusion percutaneous coronary intervention (CTO PCI) have increased steadily over the past 6 years, with rates of in-hospital major adverse cardiac events (MACE) declining to the 2%-or-lower range in that time.

“CTO PCI technical and procedural success rates are high and continue to increase over time,” Spyridon Kostantinis, MD said in presenting updated results from the international PROGRESS-CTO registry at the Society for Cardiovascular Angiography & Interventions annual scientific sessions.

Courtesy Minneapolis Heart Institute Foundation
Dr. Spyridon Kostantinis

“The overall success rate increased from 81.6% in 2018 to 88.1% in 2021,” he added. The overall incidence of in-hospital MACE in that time was “an acceptable” 2.1% without significant changes over that period.

The analysis examined clinical, angiographic and procedural outcomes of 10,249 CTO PCIs performed on 10,019 patients from 63 centers in nine countries during 2016-2021. PROGRESS-CTO stands for Prospective Global Registry for the Study of Chronic Total Occlusion Intervention.

The target CTOs were highly complex, he said, with an average J-CTO (multicenter CTO registry in Japan) score of 2.4 ± 1.3 and PROGRESS-CTO score of 1.3 ± 1. The most common CTO target vessel was the right coronary artery (53%), followed by the left anterior descending artery (26%) and the circumflex artery (19%).

The registry also tracked how characteristics of the CTO PCI procedures themselves changed over time. “The septal and the epicardial collaterals were the most common collaterals used for retrograde crossing, with a decreasing trend for epicardial collaterals over time,” said Dr. Kostantinis, a research fellow at the Minneapolis Heart Institute.

Septal collateral use varied between 64% and 69% of cases from 2016 to 2021, but the share of epicardial collaterals declined from 35% to 22% in that time.

“Over time, the range of antegrade wiring as the final successfully crossing strategy increased from 46% in 2016 to 61% in 2021, with a decrease in antegrade dissection and re-entry (ADR) and no change in the retrograde approach,” Dr. Kostantinis said. The percentage of procedures using ADR as the final crossing strategy declined from 18% in 2016 to 12% in 2021, with the rate of retrograde crossings peaking at 21% in 2016 but leveling off to 18% or 19% in the subsequent years.



“An increasing use in the efficiency of antegrade wiring may reflect an improvement in guidewire retrograde crossing as well as the increasing operator expertise,” Dr. Kostantinis said.

The study also found that contrast volume, air kerma radiation dose, fluoroscopy time, and procedure time declined steadily over time. “The potential explanations for these are using new x-ray systems as well as the use of intravascular imaging,” Dr. Kostantinis said.

In 2020, the rates of technical and procedural success, as well as the number of overall procedures, declined from 2019, while MACE rates ticked upward that year, probably because of the COVID-19 pandemic, Dr. Kostantinis said.

“It is true that we noticed a rise in MACE rate from 1.6% in 2019 to 2.7% in 2020, but in 2021 that decreased again to 1.7%,” he said in an interview. “Another potential explanation is the higher angiographic complexity of CTOs treated during that year (2020) that resulted in more adverse events.”

Previous results from the PROGRESS-CTO registry reported the difference in MACE between 2019 and 2020 was significant (P  = .01). “So, yes, the difference between those 2 years is significant,” Dr. Kostantinis said. However, he noted, the overall trend was not significant, with a P value of .194.

The risk profile of CTO PCI has improved “slowly” over time, said Kirk N. Garratt, MD, but “it’s not yet were it needs to be.”

Dr. Kirk N. Garratt

He added, “Undoubtedly we’ve learned that, without any question, one method for minimizing the risk is to concentrate these cases in the hands of those that do many of them.” As the number of procedures fell – an “embedded” pandemic impact –“I worry that it’s inevitable that complication rates will tick up a bit,” said Dr. Garratt, director of the Center for Heart and Vascular Health at Christiana Care in Newark, Del.

By the same token, he added, this situation with regard to CTOs “parallels what’s happening elsewhere in interventional medicine and medicine broadly; numbers are increasing and we’re busy again. In most domains we’re not as busy as we had been prepandemic, and time will allow us to catch up.”

PROGRESS-CTO has received funding from the Joseph F. and Mary M. Fleischhacker Foundation and the Abbott Northwestern Hospital Foundation Innovation Grant.

Dr. Kostantinis has no disclosures. Dr. Garratt is an advisory board member for Abbott.

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In utero COVID exposure tied to developmental differences in infants

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COVID-19 infection during pregnancy has been linked to a small but significant effect on infant neurodevelopment, suggests a small-scale analysis that points to the need for further study and monitoring during pregnancy.

The study included 24 pregnant women, half of whom had COVID-19 during pregnancy, and their offspring. It showed impairments at 6 weeks of age on the social interactive dimension of a neonatal assessment.

“Not all babies born to mothers infected with COVID show neurodevelopmental differences, but our data show that their risk is increased in comparison to those not exposed to COVID in the womb. We need a bigger study to confirm the exact extent of the difference,” said lead researcher Rosa Ayesa Arriola, PhD, Valdecilla Research Institute (IDIVAL), Hospital Universitario Marqués de Valdecilla, Santander, Spain, in a release.

The findings were presented at the virtual European Psychiatric Association 2022 Congress.
 

Differing responses to cuddling

Coauthor Águeda Castro Quintas, PhD student, Network Centre for Biomedical Research in Mental Health, University of Barcelona, explained that the tests showed the children born to mothers who had COVID-19 during pregnancy reacted “slightly differently to being held, or cuddled.”

“We need to note that these are preliminary results, but this is part of a project following a larger sample of 100 mothers and their babies,” she added. The authors plan to compare their results with those from a similar study.

The group will also monitor infant language and motor development aged between 18 and 42 months.

“This is an ongoing project, and we are at an early stage,” Ms. Castro Quintas said. “We don’t know if these effects will result in any longer-term issues,” but longer-term observation “may help us understand this.”

“Of course, in babies who are so young, there are several things we just can’t measure, such as language skills or cognition,” added coinvestigator Nerea San Martín González, department of evolutionary biology, ecology and environmental sciences, University of Barcelona.

While emphasizing the need for larger sample sizes, she said that “in the meantime, we need to stress the importance of medical monitoring to facilitate a healthy pregnancy.”

The researchers note that the consequences of the COVID-19 pandemic for the newborns of affected mothers remain “unknown.”

However, previous studies of other infections during pregnancy suggest that offspring could be “especially vulnerable,”as the pathophysiological mechanisms of the infection, such as cytokine storms and microcoagulation, “could clearly compromise fetal neurodevelopment.”

To investigate further, they examined the neurodevelopment of infants born both immediately before and during the COVID-19 pandemic, from 2017 to 2021.

Twenty-one women who had COVID-19 during pregnancy were matched with 21 healthy controls. They were studied both during pregnancy and in the postpartum period, completing hormonal and other biochemical tests, salivary tests, movement assessments, and psychological questionnaires, adjusted for various factors.

The team also administered the Brazelton Neonatal Behavioural Assessment Scale (NBAS) to the offspring at 6 weeks of age to evaluate neurologic, social, and behavioral aspects of function.

“We have been especially sensitive in how we have conducted these tests,” said Ms. Castro Quintas. “Each mother and baby were closely examined by clinicians with expert training in the field and in the tests.”

Among those offspring exposed to COVID-19 during pregnancy, there was a significant decrease in scores on the social interactive dimension of the NBAS, particularly if infection occurred before week 20 of gestation.

Other NBAS subscales were not associated with maternal COVID-19 during pregnancy.
 

 

 

More research needed

Commenting on the findings, Livio Provenzi, PhD, a psychologist and researcher in developmental psychobiology at the University of Pavia (Italy), noted there is a “great need” to study the direct and indirect effect of the COVID-19 pandemic on parents and their children. “Pregnancy is a period of life which shapes much of our subsequent development, and exposure to adversity in pregnancy can leave long-lasting biological footprints.”

Dr. Provenzi, who was not involved in the study, added in the release that the findings reinforce “evidence of epigenetic alterations in infants born from mothers exposed to pandemic-related stress during pregnancy.

“It shows we need more large-scale, international research to allow us to understand the developmental effects of this health emergency and to deliver better quality of care to parents and infants.”

The study was funded by the Spanish Ministry of Economy and Competitiveness, Instituto de Salud Carlos III through the University of Barcelona multicenter project and the Government of Cantabria. No relevant financial relationships were declared.

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

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COVID-19 infection during pregnancy has been linked to a small but significant effect on infant neurodevelopment, suggests a small-scale analysis that points to the need for further study and monitoring during pregnancy.

The study included 24 pregnant women, half of whom had COVID-19 during pregnancy, and their offspring. It showed impairments at 6 weeks of age on the social interactive dimension of a neonatal assessment.

“Not all babies born to mothers infected with COVID show neurodevelopmental differences, but our data show that their risk is increased in comparison to those not exposed to COVID in the womb. We need a bigger study to confirm the exact extent of the difference,” said lead researcher Rosa Ayesa Arriola, PhD, Valdecilla Research Institute (IDIVAL), Hospital Universitario Marqués de Valdecilla, Santander, Spain, in a release.

The findings were presented at the virtual European Psychiatric Association 2022 Congress.
 

Differing responses to cuddling

Coauthor Águeda Castro Quintas, PhD student, Network Centre for Biomedical Research in Mental Health, University of Barcelona, explained that the tests showed the children born to mothers who had COVID-19 during pregnancy reacted “slightly differently to being held, or cuddled.”

“We need to note that these are preliminary results, but this is part of a project following a larger sample of 100 mothers and their babies,” she added. The authors plan to compare their results with those from a similar study.

The group will also monitor infant language and motor development aged between 18 and 42 months.

“This is an ongoing project, and we are at an early stage,” Ms. Castro Quintas said. “We don’t know if these effects will result in any longer-term issues,” but longer-term observation “may help us understand this.”

“Of course, in babies who are so young, there are several things we just can’t measure, such as language skills or cognition,” added coinvestigator Nerea San Martín González, department of evolutionary biology, ecology and environmental sciences, University of Barcelona.

While emphasizing the need for larger sample sizes, she said that “in the meantime, we need to stress the importance of medical monitoring to facilitate a healthy pregnancy.”

The researchers note that the consequences of the COVID-19 pandemic for the newborns of affected mothers remain “unknown.”

However, previous studies of other infections during pregnancy suggest that offspring could be “especially vulnerable,”as the pathophysiological mechanisms of the infection, such as cytokine storms and microcoagulation, “could clearly compromise fetal neurodevelopment.”

To investigate further, they examined the neurodevelopment of infants born both immediately before and during the COVID-19 pandemic, from 2017 to 2021.

Twenty-one women who had COVID-19 during pregnancy were matched with 21 healthy controls. They were studied both during pregnancy and in the postpartum period, completing hormonal and other biochemical tests, salivary tests, movement assessments, and psychological questionnaires, adjusted for various factors.

The team also administered the Brazelton Neonatal Behavioural Assessment Scale (NBAS) to the offspring at 6 weeks of age to evaluate neurologic, social, and behavioral aspects of function.

“We have been especially sensitive in how we have conducted these tests,” said Ms. Castro Quintas. “Each mother and baby were closely examined by clinicians with expert training in the field and in the tests.”

Among those offspring exposed to COVID-19 during pregnancy, there was a significant decrease in scores on the social interactive dimension of the NBAS, particularly if infection occurred before week 20 of gestation.

Other NBAS subscales were not associated with maternal COVID-19 during pregnancy.
 

 

 

More research needed

Commenting on the findings, Livio Provenzi, PhD, a psychologist and researcher in developmental psychobiology at the University of Pavia (Italy), noted there is a “great need” to study the direct and indirect effect of the COVID-19 pandemic on parents and their children. “Pregnancy is a period of life which shapes much of our subsequent development, and exposure to adversity in pregnancy can leave long-lasting biological footprints.”

Dr. Provenzi, who was not involved in the study, added in the release that the findings reinforce “evidence of epigenetic alterations in infants born from mothers exposed to pandemic-related stress during pregnancy.

“It shows we need more large-scale, international research to allow us to understand the developmental effects of this health emergency and to deliver better quality of care to parents and infants.”

The study was funded by the Spanish Ministry of Economy and Competitiveness, Instituto de Salud Carlos III through the University of Barcelona multicenter project and the Government of Cantabria. No relevant financial relationships were declared.

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

COVID-19 infection during pregnancy has been linked to a small but significant effect on infant neurodevelopment, suggests a small-scale analysis that points to the need for further study and monitoring during pregnancy.

The study included 24 pregnant women, half of whom had COVID-19 during pregnancy, and their offspring. It showed impairments at 6 weeks of age on the social interactive dimension of a neonatal assessment.

“Not all babies born to mothers infected with COVID show neurodevelopmental differences, but our data show that their risk is increased in comparison to those not exposed to COVID in the womb. We need a bigger study to confirm the exact extent of the difference,” said lead researcher Rosa Ayesa Arriola, PhD, Valdecilla Research Institute (IDIVAL), Hospital Universitario Marqués de Valdecilla, Santander, Spain, in a release.

The findings were presented at the virtual European Psychiatric Association 2022 Congress.
 

Differing responses to cuddling

Coauthor Águeda Castro Quintas, PhD student, Network Centre for Biomedical Research in Mental Health, University of Barcelona, explained that the tests showed the children born to mothers who had COVID-19 during pregnancy reacted “slightly differently to being held, or cuddled.”

“We need to note that these are preliminary results, but this is part of a project following a larger sample of 100 mothers and their babies,” she added. The authors plan to compare their results with those from a similar study.

The group will also monitor infant language and motor development aged between 18 and 42 months.

“This is an ongoing project, and we are at an early stage,” Ms. Castro Quintas said. “We don’t know if these effects will result in any longer-term issues,” but longer-term observation “may help us understand this.”

“Of course, in babies who are so young, there are several things we just can’t measure, such as language skills or cognition,” added coinvestigator Nerea San Martín González, department of evolutionary biology, ecology and environmental sciences, University of Barcelona.

While emphasizing the need for larger sample sizes, she said that “in the meantime, we need to stress the importance of medical monitoring to facilitate a healthy pregnancy.”

The researchers note that the consequences of the COVID-19 pandemic for the newborns of affected mothers remain “unknown.”

However, previous studies of other infections during pregnancy suggest that offspring could be “especially vulnerable,”as the pathophysiological mechanisms of the infection, such as cytokine storms and microcoagulation, “could clearly compromise fetal neurodevelopment.”

To investigate further, they examined the neurodevelopment of infants born both immediately before and during the COVID-19 pandemic, from 2017 to 2021.

Twenty-one women who had COVID-19 during pregnancy were matched with 21 healthy controls. They were studied both during pregnancy and in the postpartum period, completing hormonal and other biochemical tests, salivary tests, movement assessments, and psychological questionnaires, adjusted for various factors.

The team also administered the Brazelton Neonatal Behavioural Assessment Scale (NBAS) to the offspring at 6 weeks of age to evaluate neurologic, social, and behavioral aspects of function.

“We have been especially sensitive in how we have conducted these tests,” said Ms. Castro Quintas. “Each mother and baby were closely examined by clinicians with expert training in the field and in the tests.”

Among those offspring exposed to COVID-19 during pregnancy, there was a significant decrease in scores on the social interactive dimension of the NBAS, particularly if infection occurred before week 20 of gestation.

Other NBAS subscales were not associated with maternal COVID-19 during pregnancy.
 

 

 

More research needed

Commenting on the findings, Livio Provenzi, PhD, a psychologist and researcher in developmental psychobiology at the University of Pavia (Italy), noted there is a “great need” to study the direct and indirect effect of the COVID-19 pandemic on parents and their children. “Pregnancy is a period of life which shapes much of our subsequent development, and exposure to adversity in pregnancy can leave long-lasting biological footprints.”

Dr. Provenzi, who was not involved in the study, added in the release that the findings reinforce “evidence of epigenetic alterations in infants born from mothers exposed to pandemic-related stress during pregnancy.

“It shows we need more large-scale, international research to allow us to understand the developmental effects of this health emergency and to deliver better quality of care to parents and infants.”

The study was funded by the Spanish Ministry of Economy and Competitiveness, Instituto de Salud Carlos III through the University of Barcelona multicenter project and the Government of Cantabria. No relevant financial relationships were declared.

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

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Novel drug ‘promising’ for concomitant depression, insomnia

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The novel antidepressant seltorexant (Janssen Pharmaceuticals) may be beneficial for patients with concomitant major depressive disorder (MDD) and sleep disturbance, new research suggests.

In a randomized, placebo-controlled, adaptive dose–finding study conducted in more than 200 patients with MDD, those with more severe insomnia at baseline had a greater improvement in depressive symptoms versus those with less severe insomnia.

“As seltorexant is an orexin receptor antagonist, it is related to other medications that are marketed as sleeping pills, so it was important to show that its antidepressant efficacy was actually caused by improved sleep,” coinvestigator Michael E. Thase, MD, professor of psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, told this news organization.

University of Pennsylvania
Dr. Michael E. Thase


“This novel antidepressant may well turn out to be a treatment of choice for depressed patients with insomnia,” said Dr. Thase, who is also a member of the medical and research staff of the Corporal Michael J. Crescenz Department of Veterans Affairs Medical Center.

The findings were presented at the American Society of Clinical Psychopharmacology annual meeting.
 

Clinically meaningful?

In an earlier exploratory study, seltorexant showed antidepressant and sleep-promoting effects in patients with MDD. In a phase 2b study, a 20-mg dose of the drug showed clinically meaningful improvement in the Montgomery-Åsberg Depression Rating Scale (MADRS) total score after 6 weeks of treatment.

In the current analysis, the investigators evaluated the effect of seltorexant in improving depressive symptoms beyond sleep-related improvement in patients with MDD, using the MADRS-WOSI (MADRS without the sleep item).

They also used the six-item core MADRS subscale, which excludes sleep, anxiety, and appetite items.

The 283 participants were randomly assigned 3:3:1 to receive seltorexant 10 mg or 20 mg or placebo once daily. They were also stratified into two groups according to the severity of their insomnia: those with a baseline Insomnia Severity Index [ISI] score of 15 or higher (58%) and those with a baseline ISI score of less than 15 (42%).

Results showed that the group receiving the 20-mg/day dose of seltorexant (n = 61 patients) obtained a statistically and clinically meaningful response, compared with the placebo group (n = 137 patients) after removing the insomnia and other “not core items” of the MADRS. The effect was clearest among those with high insomnia ratings.

Improvement in the MADRS-WOSI score was also observed in the seltorexant 20-mg group at week 3 and week 6, compared with the placebo group.
 

The LSM average distance

The least squares mean (LSM) average difference between the treatment and placebo groups in the MADRS-WOSI score at week 3 was −3.8 (90% confidence interval, −5.98 to −1.57; P = .005).

At week 6, the LSM between the groups in the MADRS-WOSI score was −2.5 (90% CI, −5.24 to 0.15; P = .12).

The results were consistent with improvement in the MADRS total score. At week 3, the LSM in the MADRS total score was -4.5 (90% CI, -6.96 to -2.07; P = .003) and, at week 6, it was -3.1 (90% CI, -6.13 to -0.16; P = .083).

Seltorexant 20 mg was especially effective in patients who had more severe insomnia.

Commenting on the study, Nagy Youssef, MD, PhD, professor of psychiatry, The Ohio State University Wexner Medical Center, Columbus, said this was “a well-designed study examining a promising compound.”

Ohio State University
Dr. Nagy Youssef


“Especially if replicated, this study shows the promise of this molecule for this patient population,” said Dr. Youssef, who was not involved with the research.

The study was funded by Janssen Pharmaceutical of Johnson & Johnson. Dr. Thase reports financial relationships with numerous companies. Dr. Youssef reports no relevant financial relationships.

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

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The novel antidepressant seltorexant (Janssen Pharmaceuticals) may be beneficial for patients with concomitant major depressive disorder (MDD) and sleep disturbance, new research suggests.

In a randomized, placebo-controlled, adaptive dose–finding study conducted in more than 200 patients with MDD, those with more severe insomnia at baseline had a greater improvement in depressive symptoms versus those with less severe insomnia.

“As seltorexant is an orexin receptor antagonist, it is related to other medications that are marketed as sleeping pills, so it was important to show that its antidepressant efficacy was actually caused by improved sleep,” coinvestigator Michael E. Thase, MD, professor of psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, told this news organization.

University of Pennsylvania
Dr. Michael E. Thase


“This novel antidepressant may well turn out to be a treatment of choice for depressed patients with insomnia,” said Dr. Thase, who is also a member of the medical and research staff of the Corporal Michael J. Crescenz Department of Veterans Affairs Medical Center.

The findings were presented at the American Society of Clinical Psychopharmacology annual meeting.
 

Clinically meaningful?

In an earlier exploratory study, seltorexant showed antidepressant and sleep-promoting effects in patients with MDD. In a phase 2b study, a 20-mg dose of the drug showed clinically meaningful improvement in the Montgomery-Åsberg Depression Rating Scale (MADRS) total score after 6 weeks of treatment.

In the current analysis, the investigators evaluated the effect of seltorexant in improving depressive symptoms beyond sleep-related improvement in patients with MDD, using the MADRS-WOSI (MADRS without the sleep item).

They also used the six-item core MADRS subscale, which excludes sleep, anxiety, and appetite items.

The 283 participants were randomly assigned 3:3:1 to receive seltorexant 10 mg or 20 mg or placebo once daily. They were also stratified into two groups according to the severity of their insomnia: those with a baseline Insomnia Severity Index [ISI] score of 15 or higher (58%) and those with a baseline ISI score of less than 15 (42%).

Results showed that the group receiving the 20-mg/day dose of seltorexant (n = 61 patients) obtained a statistically and clinically meaningful response, compared with the placebo group (n = 137 patients) after removing the insomnia and other “not core items” of the MADRS. The effect was clearest among those with high insomnia ratings.

Improvement in the MADRS-WOSI score was also observed in the seltorexant 20-mg group at week 3 and week 6, compared with the placebo group.
 

The LSM average distance

The least squares mean (LSM) average difference between the treatment and placebo groups in the MADRS-WOSI score at week 3 was −3.8 (90% confidence interval, −5.98 to −1.57; P = .005).

At week 6, the LSM between the groups in the MADRS-WOSI score was −2.5 (90% CI, −5.24 to 0.15; P = .12).

The results were consistent with improvement in the MADRS total score. At week 3, the LSM in the MADRS total score was -4.5 (90% CI, -6.96 to -2.07; P = .003) and, at week 6, it was -3.1 (90% CI, -6.13 to -0.16; P = .083).

Seltorexant 20 mg was especially effective in patients who had more severe insomnia.

Commenting on the study, Nagy Youssef, MD, PhD, professor of psychiatry, The Ohio State University Wexner Medical Center, Columbus, said this was “a well-designed study examining a promising compound.”

Ohio State University
Dr. Nagy Youssef


“Especially if replicated, this study shows the promise of this molecule for this patient population,” said Dr. Youssef, who was not involved with the research.

The study was funded by Janssen Pharmaceutical of Johnson & Johnson. Dr. Thase reports financial relationships with numerous companies. Dr. Youssef reports no relevant financial relationships.

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

The novel antidepressant seltorexant (Janssen Pharmaceuticals) may be beneficial for patients with concomitant major depressive disorder (MDD) and sleep disturbance, new research suggests.

In a randomized, placebo-controlled, adaptive dose–finding study conducted in more than 200 patients with MDD, those with more severe insomnia at baseline had a greater improvement in depressive symptoms versus those with less severe insomnia.

“As seltorexant is an orexin receptor antagonist, it is related to other medications that are marketed as sleeping pills, so it was important to show that its antidepressant efficacy was actually caused by improved sleep,” coinvestigator Michael E. Thase, MD, professor of psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, told this news organization.

University of Pennsylvania
Dr. Michael E. Thase


“This novel antidepressant may well turn out to be a treatment of choice for depressed patients with insomnia,” said Dr. Thase, who is also a member of the medical and research staff of the Corporal Michael J. Crescenz Department of Veterans Affairs Medical Center.

The findings were presented at the American Society of Clinical Psychopharmacology annual meeting.
 

Clinically meaningful?

In an earlier exploratory study, seltorexant showed antidepressant and sleep-promoting effects in patients with MDD. In a phase 2b study, a 20-mg dose of the drug showed clinically meaningful improvement in the Montgomery-Åsberg Depression Rating Scale (MADRS) total score after 6 weeks of treatment.

In the current analysis, the investigators evaluated the effect of seltorexant in improving depressive symptoms beyond sleep-related improvement in patients with MDD, using the MADRS-WOSI (MADRS without the sleep item).

They also used the six-item core MADRS subscale, which excludes sleep, anxiety, and appetite items.

The 283 participants were randomly assigned 3:3:1 to receive seltorexant 10 mg or 20 mg or placebo once daily. They were also stratified into two groups according to the severity of their insomnia: those with a baseline Insomnia Severity Index [ISI] score of 15 or higher (58%) and those with a baseline ISI score of less than 15 (42%).

Results showed that the group receiving the 20-mg/day dose of seltorexant (n = 61 patients) obtained a statistically and clinically meaningful response, compared with the placebo group (n = 137 patients) after removing the insomnia and other “not core items” of the MADRS. The effect was clearest among those with high insomnia ratings.

Improvement in the MADRS-WOSI score was also observed in the seltorexant 20-mg group at week 3 and week 6, compared with the placebo group.
 

The LSM average distance

The least squares mean (LSM) average difference between the treatment and placebo groups in the MADRS-WOSI score at week 3 was −3.8 (90% confidence interval, −5.98 to −1.57; P = .005).

At week 6, the LSM between the groups in the MADRS-WOSI score was −2.5 (90% CI, −5.24 to 0.15; P = .12).

The results were consistent with improvement in the MADRS total score. At week 3, the LSM in the MADRS total score was -4.5 (90% CI, -6.96 to -2.07; P = .003) and, at week 6, it was -3.1 (90% CI, -6.13 to -0.16; P = .083).

Seltorexant 20 mg was especially effective in patients who had more severe insomnia.

Commenting on the study, Nagy Youssef, MD, PhD, professor of psychiatry, The Ohio State University Wexner Medical Center, Columbus, said this was “a well-designed study examining a promising compound.”

Ohio State University
Dr. Nagy Youssef


“Especially if replicated, this study shows the promise of this molecule for this patient population,” said Dr. Youssef, who was not involved with the research.

The study was funded by Janssen Pharmaceutical of Johnson & Johnson. Dr. Thase reports financial relationships with numerous companies. Dr. Youssef reports no relevant financial relationships.

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

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