Miriam E. Tucker

The incidence of type 2 diabetes in children appears to have doubled during the COVID-19 pandemic, data from two new U.S. studies suggest, with the lead investigator of one saying she was “surprised by the staggering increase in cases of type 2 diabetes ... and the increase in severity of presentation.”

Anetta_R/Thinkstock

Findings from the two separate retrospective chart reviews – one conducted in Washington, D.C., and the other in Baton Rouge, La. – were presented June 25 at the annual scientific sessions of the American Diabetes Association.

Although the two studies differed somewhat in the clinical parameters examined, both revealed a similar doubling of the rates of hospitalizations for type 2 diabetes among youth during 2020, compared with the same time period in 2019, as well as greater severity of metabolic disturbance.

And, as has been previously described with type 2 diabetes in youth, African American ethnicity predominated in both cohorts.

“Although we could not assess the cause of the increases in type 2 diabetes from our data, these disparities suggest that indirect effects of social distancing measures, including school closure and unemployment, are placing undue burden on underserved communities. Decreases in well-child care and fears of seeking medical care during the pandemic may have also contributed,” lead investigator of one of the studies, pediatric endocrinologist Brynn E. Marks, MD, Children’s National Hospital, Washington, said in an interview.
 

More hospitalizations, racial disparities aggravated by COVID-19

Lead author of the other study, Daniel S. Hsia, MD, Pennington Biomedical Research Center, Baton Rouge, said in an interview: “Since the pandemic, our data suggest that more children may be diagnosed with type 2 diabetes and may require hospitalization when they are diagnosed. Looking at both datasets, there appears to be a racial disparity in type 2 diabetes diagnoses that has only been exacerbated by the COVID-19 pandemic.”

Of concern, Dr. Hsia said, “The incidence rate of type 2 diabetes in children was already on the rise before the pandemic. While there may be a brief leveling off now that children are getting regular health care and going back to school in person, I believe these rates will continue to rise especially in light of the childhood obesity rates not improving.”

Their dataset captured all youth who were newly diagnosed with type 2 diabetes during the first full year of the COVID-19 pandemic, from March 11, 2020, to March 10, 2021, and compared those data with the time period from March 11, 2019, to March 10, 2020.

During the pandemic, the number of cases of type 2 diabetes increased by 182%, from 50 in 2019 to 141 in 2020. The average age at diagnosis was about 14 years in both time periods.

In the prepandemic period, 18 (36%) diagnosed with type 2 diabetes required inpatient admission, compared with 85 (60.3%) during the pandemic. At Children’s National, youth with suspected new-onset type 2 diabetes aren’t typically hospitalized unless they have severe hyperglycemia, ketosis, or are unable to schedule urgent outpatient follow-up, Dr. Marks noted.

The proportions of youth with new-onset type 2 diabetes who presented in diabetic ketoacidosis (DKA) rose from 2 (4%) prepandemic to 33 (23.4%) during the pandemic. Presentation with hyperosmolar DKA rose from 0 to 13 (9.2%).

However, during the pandemic only five youth were actively infected with SARS-CoV-2 at the time of type 2 diabetes diagnosis among the 90 tested.

Dr. Marks said: “We believe the increase in inpatient admissions was due to more severe presentation during the pandemic. ...We were surprised by the staggering increase in cases of type 2 diabetes ... and the increase in severity of presentation.”
 

Shift in diagnoses to type 2 diabetes

The pandemic also appears to have shifted the proportion of youth diagnosed with type 2 diabetes, compared with type 1 diabetes. Whereas 24% of youth with new-onset diabetes prepandemic had type 2 diabetes and the rest had type 1 diabetes, during pandemic the proportion with type 2 diabetes rose to 44%.

“Rates of type 2 diabetes rose steadily at a rate of 1.45 cases per month throughout the course of the pandemic, suggesting a cumulative effect of the indirect effects of social distancing measures,” Dr. Marks said.

Furthermore, she added, whereas 60% of youth diagnosed with type 2 diabetes before the pandemic were female, the rate fell to 40% during the pandemic. This trend might be because of activity levels in that, while male adolescents are typically more active, rates of exercise fell in both sexes during the pandemic but declined more sharply in males such that activity levels between the sexes became equal.  

Although type 2 diabetes in youth has always been more common in ethnic minorities, the pandemic appears to have exacerbated these disparities.

While 58% of youth diagnosed with type 2 diabetes prepandemic identified as non-Hispanic Black, that proportion rose to 76.7% during the pandemic. Among Black youth with new-onset type 2 diabetes, 31 of 33 presented in DKA, and 12 of the 13 who presented in hyperosmolar DKA during the pandemic were Black.

“Strategies to promote health equity and address the undue burden of the COVID-19 pandemic on underserved communities must be developed to avoid worsening disparities and long-term health outcomes,” Dr. Marks said.
 

‘A microcosm’: Similar findings in a smaller population

Dr. Hsia and colleagues looked at a smaller number of patients in a shorter time period. In March–December 2019, the hospitalization rate for new-onset type 2 diabetes was 0.27% (8 out of 2,964 hospitalizations), compared with 0.62% (17 out of 2,729 hospitalizations) during the same period in 2020 (P < .048) – also more than a doubling. Age at admission, sex, and body mass index didn’t differ between the two groups.

Criteria for DKA were met by three children in 2019 versus eight in 2020, and hyperosmolar hyperglycemic syndrome in zero versus two, respectively. Mean hemoglobin A1c on admission was 12.4% in 2019 versus 13.1% in 2020 (P = .59), and mean serum glucose was 441 mg/dL versus 669 mg/dL (P = .14), respectively. Serum osmolality on admission was 314 mmol/kg in 2019 versus 335 mmol/kg in 2020 (P = .19).

“Clinically speaking the differences in the lab values were significant, but we did not have enough numbers ... to see a statistically significant difference. I think by looking at more centers, our site likely represents a microcosm of what is happening across the country,” Dr. Hsia said.

In 2019, 7 of the 8 children were African American, as were 16 of the 17 children in 2020. The other single child in each group was White.

Dr. Hsia said: “Larger studies that include more patients are needed to confirm our initial findings. More research is needed to understand why this increasing trend of type 2 diabetes diagnoses in children may be occurring [and] to better understand how stay-at-home orders and other restrictions due to COVID-19 have worsened risk factors for type 2 diabetes.”

“These include decreased physical activity, more screen time, disturbed sleep, and increased intake of processed foods, which can all lead to weight gain,” he concluded.

Dr. Marks reported receiving research support from Tandem, Dexcom, and the Cystic Fibrosis Foundation. Dr. Hsia reported no relevant financial relationships.

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

The incidence of type 2 diabetes in children appears to have doubled during the COVID-19 pandemic, data from two new U.S. studies suggest, with the lead investigator of one saying she was “surprised by the staggering increase in cases of type 2 diabetes ... and the increase in severity of presentation.”

Anetta_R/Thinkstock

Findings from the two separate retrospective chart reviews – one conducted in Washington, D.C., and the other in Baton Rouge, La. – were presented June 25 at the annual scientific sessions of the American Diabetes Association.

Although the two studies differed somewhat in the clinical parameters examined, both revealed a similar doubling of the rates of hospitalizations for type 2 diabetes among youth during 2020, compared with the same time period in 2019, as well as greater severity of metabolic disturbance.

And, as has been previously described with type 2 diabetes in youth, African American ethnicity predominated in both cohorts.

“Although we could not assess the cause of the increases in type 2 diabetes from our data, these disparities suggest that indirect effects of social distancing measures, including school closure and unemployment, are placing undue burden on underserved communities. Decreases in well-child care and fears of seeking medical care during the pandemic may have also contributed,” lead investigator of one of the studies, pediatric endocrinologist Brynn E. Marks, MD, Children’s National Hospital, Washington, said in an interview.
 

More hospitalizations, racial disparities aggravated by COVID-19

Lead author of the other study, Daniel S. Hsia, MD, Pennington Biomedical Research Center, Baton Rouge, said in an interview: “Since the pandemic, our data suggest that more children may be diagnosed with type 2 diabetes and may require hospitalization when they are diagnosed. Looking at both datasets, there appears to be a racial disparity in type 2 diabetes diagnoses that has only been exacerbated by the COVID-19 pandemic.”

Of concern, Dr. Hsia said, “The incidence rate of type 2 diabetes in children was already on the rise before the pandemic. While there may be a brief leveling off now that children are getting regular health care and going back to school in person, I believe these rates will continue to rise especially in light of the childhood obesity rates not improving.”

Their dataset captured all youth who were newly diagnosed with type 2 diabetes during the first full year of the COVID-19 pandemic, from March 11, 2020, to March 10, 2021, and compared those data with the time period from March 11, 2019, to March 10, 2020.

During the pandemic, the number of cases of type 2 diabetes increased by 182%, from 50 in 2019 to 141 in 2020. The average age at diagnosis was about 14 years in both time periods.

In the prepandemic period, 18 (36%) diagnosed with type 2 diabetes required inpatient admission, compared with 85 (60.3%) during the pandemic. At Children’s National, youth with suspected new-onset type 2 diabetes aren’t typically hospitalized unless they have severe hyperglycemia, ketosis, or are unable to schedule urgent outpatient follow-up, Dr. Marks noted.

The proportions of youth with new-onset type 2 diabetes who presented in diabetic ketoacidosis (DKA) rose from 2 (4%) prepandemic to 33 (23.4%) during the pandemic. Presentation with hyperosmolar DKA rose from 0 to 13 (9.2%).

However, during the pandemic only five youth were actively infected with SARS-CoV-2 at the time of type 2 diabetes diagnosis among the 90 tested.

Dr. Marks said: “We believe the increase in inpatient admissions was due to more severe presentation during the pandemic. ...We were surprised by the staggering increase in cases of type 2 diabetes ... and the increase in severity of presentation.”
 

Shift in diagnoses to type 2 diabetes

The pandemic also appears to have shifted the proportion of youth diagnosed with type 2 diabetes, compared with type 1 diabetes. Whereas 24% of youth with new-onset diabetes prepandemic had type 2 diabetes and the rest had type 1 diabetes, during pandemic the proportion with type 2 diabetes rose to 44%.

“Rates of type 2 diabetes rose steadily at a rate of 1.45 cases per month throughout the course of the pandemic, suggesting a cumulative effect of the indirect effects of social distancing measures,” Dr. Marks said.

Furthermore, she added, whereas 60% of youth diagnosed with type 2 diabetes before the pandemic were female, the rate fell to 40% during the pandemic. This trend might be because of activity levels in that, while male adolescents are typically more active, rates of exercise fell in both sexes during the pandemic but declined more sharply in males such that activity levels between the sexes became equal.  

Although type 2 diabetes in youth has always been more common in ethnic minorities, the pandemic appears to have exacerbated these disparities.

While 58% of youth diagnosed with type 2 diabetes prepandemic identified as non-Hispanic Black, that proportion rose to 76.7% during the pandemic. Among Black youth with new-onset type 2 diabetes, 31 of 33 presented in DKA, and 12 of the 13 who presented in hyperosmolar DKA during the pandemic were Black.

“Strategies to promote health equity and address the undue burden of the COVID-19 pandemic on underserved communities must be developed to avoid worsening disparities and long-term health outcomes,” Dr. Marks said.
 

‘A microcosm’: Similar findings in a smaller population

Dr. Hsia and colleagues looked at a smaller number of patients in a shorter time period. In March–December 2019, the hospitalization rate for new-onset type 2 diabetes was 0.27% (8 out of 2,964 hospitalizations), compared with 0.62% (17 out of 2,729 hospitalizations) during the same period in 2020 (P < .048) – also more than a doubling. Age at admission, sex, and body mass index didn’t differ between the two groups.

Criteria for DKA were met by three children in 2019 versus eight in 2020, and hyperosmolar hyperglycemic syndrome in zero versus two, respectively. Mean hemoglobin A1c on admission was 12.4% in 2019 versus 13.1% in 2020 (P = .59), and mean serum glucose was 441 mg/dL versus 669 mg/dL (P = .14), respectively. Serum osmolality on admission was 314 mmol/kg in 2019 versus 335 mmol/kg in 2020 (P = .19).

“Clinically speaking the differences in the lab values were significant, but we did not have enough numbers ... to see a statistically significant difference. I think by looking at more centers, our site likely represents a microcosm of what is happening across the country,” Dr. Hsia said.

In 2019, 7 of the 8 children were African American, as were 16 of the 17 children in 2020. The other single child in each group was White.

Dr. Hsia said: “Larger studies that include more patients are needed to confirm our initial findings. More research is needed to understand why this increasing trend of type 2 diabetes diagnoses in children may be occurring [and] to better understand how stay-at-home orders and other restrictions due to COVID-19 have worsened risk factors for type 2 diabetes.”

“These include decreased physical activity, more screen time, disturbed sleep, and increased intake of processed foods, which can all lead to weight gain,” he concluded.

Dr. Marks reported receiving research support from Tandem, Dexcom, and the Cystic Fibrosis Foundation. Dr. Hsia reported no relevant financial relationships.

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

The incidence of type 2 diabetes in children appears to have doubled during the COVID-19 pandemic, data from two new U.S. studies suggest, with the lead investigator of one saying she was “surprised by the staggering increase in cases of type 2 diabetes ... and the increase in severity of presentation.”

Anetta_R/Thinkstock

Findings from the two separate retrospective chart reviews – one conducted in Washington, D.C., and the other in Baton Rouge, La. – were presented June 25 at the annual scientific sessions of the American Diabetes Association.

Although the two studies differed somewhat in the clinical parameters examined, both revealed a similar doubling of the rates of hospitalizations for type 2 diabetes among youth during 2020, compared with the same time period in 2019, as well as greater severity of metabolic disturbance.

And, as has been previously described with type 2 diabetes in youth, African American ethnicity predominated in both cohorts.

“Although we could not assess the cause of the increases in type 2 diabetes from our data, these disparities suggest that indirect effects of social distancing measures, including school closure and unemployment, are placing undue burden on underserved communities. Decreases in well-child care and fears of seeking medical care during the pandemic may have also contributed,” lead investigator of one of the studies, pediatric endocrinologist Brynn E. Marks, MD, Children’s National Hospital, Washington, said in an interview.
 

More hospitalizations, racial disparities aggravated by COVID-19

Lead author of the other study, Daniel S. Hsia, MD, Pennington Biomedical Research Center, Baton Rouge, said in an interview: “Since the pandemic, our data suggest that more children may be diagnosed with type 2 diabetes and may require hospitalization when they are diagnosed. Looking at both datasets, there appears to be a racial disparity in type 2 diabetes diagnoses that has only been exacerbated by the COVID-19 pandemic.”

Of concern, Dr. Hsia said, “The incidence rate of type 2 diabetes in children was already on the rise before the pandemic. While there may be a brief leveling off now that children are getting regular health care and going back to school in person, I believe these rates will continue to rise especially in light of the childhood obesity rates not improving.”

Their dataset captured all youth who were newly diagnosed with type 2 diabetes during the first full year of the COVID-19 pandemic, from March 11, 2020, to March 10, 2021, and compared those data with the time period from March 11, 2019, to March 10, 2020.

During the pandemic, the number of cases of type 2 diabetes increased by 182%, from 50 in 2019 to 141 in 2020. The average age at diagnosis was about 14 years in both time periods.

In the prepandemic period, 18 (36%) diagnosed with type 2 diabetes required inpatient admission, compared with 85 (60.3%) during the pandemic. At Children’s National, youth with suspected new-onset type 2 diabetes aren’t typically hospitalized unless they have severe hyperglycemia, ketosis, or are unable to schedule urgent outpatient follow-up, Dr. Marks noted.

The proportions of youth with new-onset type 2 diabetes who presented in diabetic ketoacidosis (DKA) rose from 2 (4%) prepandemic to 33 (23.4%) during the pandemic. Presentation with hyperosmolar DKA rose from 0 to 13 (9.2%).

However, during the pandemic only five youth were actively infected with SARS-CoV-2 at the time of type 2 diabetes diagnosis among the 90 tested.

Dr. Marks said: “We believe the increase in inpatient admissions was due to more severe presentation during the pandemic. ...We were surprised by the staggering increase in cases of type 2 diabetes ... and the increase in severity of presentation.”
 

Shift in diagnoses to type 2 diabetes

The pandemic also appears to have shifted the proportion of youth diagnosed with type 2 diabetes, compared with type 1 diabetes. Whereas 24% of youth with new-onset diabetes prepandemic had type 2 diabetes and the rest had type 1 diabetes, during pandemic the proportion with type 2 diabetes rose to 44%.

“Rates of type 2 diabetes rose steadily at a rate of 1.45 cases per month throughout the course of the pandemic, suggesting a cumulative effect of the indirect effects of social distancing measures,” Dr. Marks said.

Furthermore, she added, whereas 60% of youth diagnosed with type 2 diabetes before the pandemic were female, the rate fell to 40% during the pandemic. This trend might be because of activity levels in that, while male adolescents are typically more active, rates of exercise fell in both sexes during the pandemic but declined more sharply in males such that activity levels between the sexes became equal.  

Although type 2 diabetes in youth has always been more common in ethnic minorities, the pandemic appears to have exacerbated these disparities.

While 58% of youth diagnosed with type 2 diabetes prepandemic identified as non-Hispanic Black, that proportion rose to 76.7% during the pandemic. Among Black youth with new-onset type 2 diabetes, 31 of 33 presented in DKA, and 12 of the 13 who presented in hyperosmolar DKA during the pandemic were Black.

“Strategies to promote health equity and address the undue burden of the COVID-19 pandemic on underserved communities must be developed to avoid worsening disparities and long-term health outcomes,” Dr. Marks said.
 

‘A microcosm’: Similar findings in a smaller population

Dr. Hsia and colleagues looked at a smaller number of patients in a shorter time period. In March–December 2019, the hospitalization rate for new-onset type 2 diabetes was 0.27% (8 out of 2,964 hospitalizations), compared with 0.62% (17 out of 2,729 hospitalizations) during the same period in 2020 (P < .048) – also more than a doubling. Age at admission, sex, and body mass index didn’t differ between the two groups.

Criteria for DKA were met by three children in 2019 versus eight in 2020, and hyperosmolar hyperglycemic syndrome in zero versus two, respectively. Mean hemoglobin A1c on admission was 12.4% in 2019 versus 13.1% in 2020 (P = .59), and mean serum glucose was 441 mg/dL versus 669 mg/dL (P = .14), respectively. Serum osmolality on admission was 314 mmol/kg in 2019 versus 335 mmol/kg in 2020 (P = .19).

“Clinically speaking the differences in the lab values were significant, but we did not have enough numbers ... to see a statistically significant difference. I think by looking at more centers, our site likely represents a microcosm of what is happening across the country,” Dr. Hsia said.

In 2019, 7 of the 8 children were African American, as were 16 of the 17 children in 2020. The other single child in each group was White.

Dr. Hsia said: “Larger studies that include more patients are needed to confirm our initial findings. More research is needed to understand why this increasing trend of type 2 diabetes diagnoses in children may be occurring [and] to better understand how stay-at-home orders and other restrictions due to COVID-19 have worsened risk factors for type 2 diabetes.”

“These include decreased physical activity, more screen time, disturbed sleep, and increased intake of processed foods, which can all lead to weight gain,” he concluded.

Dr. Marks reported receiving research support from Tandem, Dexcom, and the Cystic Fibrosis Foundation. Dr. Hsia reported no relevant financial relationships.

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

Long-awaited twincretin data, a study to inform prescribing in type 2 diabetes, COVID-19 and diabetes, and new guidance for treating type 1 diabetes in adults will be among the hot topics at the annual scientific sessions of the American Diabetes Association.

The meeting, to be held virtually for a second year, will take place June 25-29. As usual, the sessions will cover a wide range of basic, translational, and clinical material pertaining to type 1 and type 2 diabetes, complications, related subjects such as obesity and cardiovascular disease, and health care delivery.

New to this year’s agenda is COVID-19 and the many ways it has affected people with diabetes and health care delivery. And, more than in the past, the meeting will focus on ethnic and racial disparities in the delivery of care to people with diabetes.

And of course, there will be a tribute to another special aspect of 2021: the 100th anniversary of the discovery of insulin.

“I think there will undoubtedly be several things that will come out of this meeting that will change practice, and it will be important for clinicians to be aware of those, whether that’s groundbreaking trials or interpretation of data that will help us understand the interrelation between diabetes and COVID-19, which is still with us,” ADA chief scientific and medical officer Robert A. Gabbay, MD, PhD, said in an interview.

And ADA president of medicine and science Ruth S. Weinstock, MD, PhD, said in an interview: “I think there are many exciting sessions at this year’s meeting. ...I hope that it will help [clinicians] take better care of their patients with diabetes.

”

Will the twincretin tirzepatide live up to the hype?

Between December 2020 and May 2021, Eli Lilly issued a series of four press releases touting positive top-line results from a series of phase 3 studies on its novel agent tirzepatide, dubbed a twincretin for its dual actions as an agonist of the glucose-dependent insulinotropic polypeptide (GIP) and glucagonlike peptide-1 receptors.  

Detailed results from those four trials, SURPASS-1, -2, -3, and -5, will be presented in a symposium on Tuesday, June 29. Results from SURPASS-4 will be presented at the annual meeting of the European Association for the Study of Diabetes in September 2021.

According to the company, the drug met its phase 3 primary efficacy endpoints for both hemoglobin A1c reduction and weight loss.

“At least the buzz on it has been good, but now we want to see the real data,” Dr. Gabbay said, noting that “the early data on weight loss in particular were quite good. So then the question would be: Do you go to a GLP-1 [agonist] or a dual agonist? There will be studies to tease that out.”

Regarding tirzepatide, Dr. Weinstock said: “Hopefully, more people with type 2 diabetes could achieve their glycemic goals, and those who would benefit from weight loss could have better weight loss. I haven’t seen the data, but if the addition of GIP can further improve glucose lowering as well as weight loss that would be great.”
 

How far will GRADE go in answering the second-drug question?

On Monday, June 28, results will be presented from the long-awaited Glycemia Reduction Approaches in Diabetes – A Comparative Effectiveness (GRADE) study.

Launched in 2013, the trial is funded by the National Institutes of Health and several pharmaceutical company partners. Over 5,000 patients diagnosed with type 2 diabetes within the prior 10 years and already taking metformin were randomized to one of four commonly used second-line glucose-lowering agents: glimepiride, sitagliptin, liraglutide, and basal insulin glargine. The aim was to determine which combination produced the best glycemic control with the fewest side effects.

Dr. Weinstock said: “Clinicians now have increasing numbers of medications to choose from when treating hyperglycemia in type 2 diabetes, and a common dilemma is which one to select. The results of GRADE should be informative for people taking care of type 2 diabetes in different populations.”

However, she also pointed out that GRADE does not include a group with a sodium-glucose transporter 2 inhibitor, as the trial was designed prior to the availability of the drug class. Now, SGLT2 inhibitors are widely used and recommended for cardiovascular and kidney benefit as well as glucose lowering.

“I believe the future is really precision medicine where we individualize treatment. So, for someone with heart failure you might choose an SGLT2 inhibitor, but there are plenty of other subpopulations. They are going to be looking at different subpopulations. I think we’re all very interested in seeing what the results are, but it’s not the end of the story. We will still have to individualize therapy and keep in mind their kidney, heart, heart failure status, and other factors,” she said.

Dr. Gabbay pointed out that GRADE is important because it’s one of the few comparative effectiveness trials conducted in diabetes. “I think it will be very rich [data] that will impact practice in a variety of ways. On the one hand, it doesn’t do everything we’d want it to do, but on the other hand, if you think of the number of comparative effectiveness trials in diabetes, there are not a lot ... I think it will be big.”
 

COVID-19 and diabetes: A lot to discuss  

In contrast to the ADA scientific sessions in 2020, which took place too soon after the start of the COVID-19 pandemic to include much material about it, this year’s meeting will address many different aspects of the novel coronavirus.

Sessions will cover minimizing risk in people with diabetes during the pandemic, the latest data on whether COVID-19 triggers diabetes, and if so, by what mechanism, mental health issues related to COVID-19, as well as the management of foot care, pregnancy, and the pediatric population during the pandemic.

On Sunday, June 27, a symposium will be devoted to results of the DARE-19 trial, which explored the effects of the SGLT2 inhibitor dapagliflozin in more than 1200 patients hospitalized with COVID-19. The overall results, presented in May 2021 at the scientific sessions of the American College of Cardiology, showed a nonsignificant trend for benefit in time to organ failure or death compared with placebo. At ADA, separate efficacy and safety results for patients with and without diabetes will be presented.

According to Dr. Weinstock, “We know that in nonhospitalized patients with type 2 diabetes the SGLT2 inhibitors can help preserve kidney function and reduce heart failure. But we also know there can be diabetic ketoacidosis and genital infections and other side effects, so it’s been unclear up till now in type 2 diabetes whether they are safe and effective in people hospitalized in respiratory failure with COVID-19. And, given that people with type 2 diabetes and COVID-19 are more likely to require mechanical ventilation and are at greater risk of mortality, we’re anxious to see what these results are.”

Dr. Gabbay commented that, when the DARE study was initiated in April 2020, there were concerns about whether it was safe. And even now, “we’re still not sure about whether SGLT2 inhibitors should be stopped in hospitalized patients. The recommendations say to stop. I think this will be interesting.”

Also to be addressed in several meeting sessions are related issues the pandemic has brought forth, such as the use of telehealth for routine diabetes management, inpatient use of continuous glucose monitoring, and, of course, health care disparities.

“A lot of important issues related to COVID-19 of great interest will be discussed in a variety of sessions,” Dr. Weinstock said.
 

Type 1 diabetes in adults: It’s not just a pediatric disease  

On Monday, June 28, a draft of the first-ever ADA/EASD consensus report on the management of type 1 diabetes in adults will be presented, with the final version slated for the annual meeting of the EASD in September 2021.

A previous ADA position statement had addressed management of type 1 diabetes across all age groups, but this will be the first to focus on adults. This is important, given that type 1 diabetes was formerly called juvenile diabetes and is still often perceived as a childhood disease. Adults who develop it are commonly misdiagnosed as having type 2 diabetes, Dr. Gabbay noted.

“A big-time issue is recognition of type 1 in adults. We often see patients come in who were misdiagnosed, on metformin, and not given insulin. Often they go for a while and get sicker and sicker.” Or, he said, sometimes they’re prescribed insulin but not the intensive regimens that are required for adequate glycemic control in type 1 diabetes. “They can be suboptimally treated and it can take years to get the right therapy. ... It’s unfortunate that they have to experience that.”

Dr. Weinstock, one of the authors of the statement, said it will cover a range of issues, including care schedules, therapies, psychosocial issues, and social determinants of health. “We tried to be comprehensive in this in terms of glycemic management. It doesn’t include a discussion of complications or their management. It really focuses on diagnosis and glycemic management.”
 

Dealing with disparities: ADA has taken several steps

A priority of the ADA is addressing disparities in the delivery of health care to people with diabetes, both Dr. Weinstock and Dr. Gabbay stressed. Quite a few sessions at the meeting will touch on various aspects, including sessions on Friday afternoon on “Health Care as a Social Justice Issue in the Diagnosis and Management of Diabetes,” and separate sessions on “Challenges and Successes With Health Inequities and Health Disparities in Diabetes” in adult and pediatric populations.

“For us at ADA, addressing health disparities is extremely important and we have a number of new programs this year to address this very important issue,” Dr. Weinstock said.

In August 2020, the ADA issued a Health Equity Bill of Rights, which includes access to insulin and other medications, affordable health care, and freedom from stigma and discrimination. The Association has also requested applications from researchers studying disparities in diabetes care.
 

Celebrating 100 years of lifesaving medication

Of course, the ADA will be celebrating the 100th anniversary of the discovery of insulin. A session on Saturday afternoon, entitled, “Insulin at Its 100th Birthday,” will cover the history of the landmark discovery, as well as insulin biosynthesis and mechanisms of action, and “the future of insulin as a therapy.”

Dr. Weinstock noted: “The discovery of insulin was an incredible achievement that, of course, saved the lives of many millions of children and adults. Before insulin became available, children and adults only survived for days or at most a few years after diagnosis. We will commemorate this anniversary.”
 

The virtual platform: Like last year, only better

Dr. Gabbay said in an interview that the virtual setup will be similar to last year’s in that talks will be prerecorded to ensure there are no technical glitches, but for many, presenters will be available afterward for live question and answers.

This year, though, the chat functionality will be enhanced to allow for discussion during the presentation, separate from the scientific question and answers. And, he noted, the virtual exhibit hall will be “bigger and better.”

Despite these improvements, Dr. Gabbay said, the plan is to go back to an in-person meeting in 2022 in New Orleans.

Dr. Weinstock’s institution receives research grants from Medtronic, Insulet, Lilly, Novo Nordisk, and Boehringer Ingelheim. Dr. Gabbay reported no relevant financial relationships.

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

Long-awaited twincretin data, a study to inform prescribing in type 2 diabetes, COVID-19 and diabetes, and new guidance for treating type 1 diabetes in adults will be among the hot topics at the annual scientific sessions of the American Diabetes Association.

The meeting, to be held virtually for a second year, will take place June 25-29. As usual, the sessions will cover a wide range of basic, translational, and clinical material pertaining to type 1 and type 2 diabetes, complications, related subjects such as obesity and cardiovascular disease, and health care delivery.

New to this year’s agenda is COVID-19 and the many ways it has affected people with diabetes and health care delivery. And, more than in the past, the meeting will focus on ethnic and racial disparities in the delivery of care to people with diabetes.

And of course, there will be a tribute to another special aspect of 2021: the 100th anniversary of the discovery of insulin.

“I think there will undoubtedly be several things that will come out of this meeting that will change practice, and it will be important for clinicians to be aware of those, whether that’s groundbreaking trials or interpretation of data that will help us understand the interrelation between diabetes and COVID-19, which is still with us,” ADA chief scientific and medical officer Robert A. Gabbay, MD, PhD, said in an interview.

And ADA president of medicine and science Ruth S. Weinstock, MD, PhD, said in an interview: “I think there are many exciting sessions at this year’s meeting. ...I hope that it will help [clinicians] take better care of their patients with diabetes.

”

Will the twincretin tirzepatide live up to the hype?

Between December 2020 and May 2021, Eli Lilly issued a series of four press releases touting positive top-line results from a series of phase 3 studies on its novel agent tirzepatide, dubbed a twincretin for its dual actions as an agonist of the glucose-dependent insulinotropic polypeptide (GIP) and glucagonlike peptide-1 receptors.  

Detailed results from those four trials, SURPASS-1, -2, -3, and -5, will be presented in a symposium on Tuesday, June 29. Results from SURPASS-4 will be presented at the annual meeting of the European Association for the Study of Diabetes in September 2021.

According to the company, the drug met its phase 3 primary efficacy endpoints for both hemoglobin A1c reduction and weight loss.

“At least the buzz on it has been good, but now we want to see the real data,” Dr. Gabbay said, noting that “the early data on weight loss in particular were quite good. So then the question would be: Do you go to a GLP-1 [agonist] or a dual agonist? There will be studies to tease that out.”

Regarding tirzepatide, Dr. Weinstock said: “Hopefully, more people with type 2 diabetes could achieve their glycemic goals, and those who would benefit from weight loss could have better weight loss. I haven’t seen the data, but if the addition of GIP can further improve glucose lowering as well as weight loss that would be great.”
 

How far will GRADE go in answering the second-drug question?

On Monday, June 28, results will be presented from the long-awaited Glycemia Reduction Approaches in Diabetes – A Comparative Effectiveness (GRADE) study.

Launched in 2013, the trial is funded by the National Institutes of Health and several pharmaceutical company partners. Over 5,000 patients diagnosed with type 2 diabetes within the prior 10 years and already taking metformin were randomized to one of four commonly used second-line glucose-lowering agents: glimepiride, sitagliptin, liraglutide, and basal insulin glargine. The aim was to determine which combination produced the best glycemic control with the fewest side effects.

Dr. Weinstock said: “Clinicians now have increasing numbers of medications to choose from when treating hyperglycemia in type 2 diabetes, and a common dilemma is which one to select. The results of GRADE should be informative for people taking care of type 2 diabetes in different populations.”

However, she also pointed out that GRADE does not include a group with a sodium-glucose transporter 2 inhibitor, as the trial was designed prior to the availability of the drug class. Now, SGLT2 inhibitors are widely used and recommended for cardiovascular and kidney benefit as well as glucose lowering.

“I believe the future is really precision medicine where we individualize treatment. So, for someone with heart failure you might choose an SGLT2 inhibitor, but there are plenty of other subpopulations. They are going to be looking at different subpopulations. I think we’re all very interested in seeing what the results are, but it’s not the end of the story. We will still have to individualize therapy and keep in mind their kidney, heart, heart failure status, and other factors,” she said.

Dr. Gabbay pointed out that GRADE is important because it’s one of the few comparative effectiveness trials conducted in diabetes. “I think it will be very rich [data] that will impact practice in a variety of ways. On the one hand, it doesn’t do everything we’d want it to do, but on the other hand, if you think of the number of comparative effectiveness trials in diabetes, there are not a lot ... I think it will be big.”
 

COVID-19 and diabetes: A lot to discuss  

In contrast to the ADA scientific sessions in 2020, which took place too soon after the start of the COVID-19 pandemic to include much material about it, this year’s meeting will address many different aspects of the novel coronavirus.

Sessions will cover minimizing risk in people with diabetes during the pandemic, the latest data on whether COVID-19 triggers diabetes, and if so, by what mechanism, mental health issues related to COVID-19, as well as the management of foot care, pregnancy, and the pediatric population during the pandemic.

On Sunday, June 27, a symposium will be devoted to results of the DARE-19 trial, which explored the effects of the SGLT2 inhibitor dapagliflozin in more than 1200 patients hospitalized with COVID-19. The overall results, presented in May 2021 at the scientific sessions of the American College of Cardiology, showed a nonsignificant trend for benefit in time to organ failure or death compared with placebo. At ADA, separate efficacy and safety results for patients with and without diabetes will be presented.

According to Dr. Weinstock, “We know that in nonhospitalized patients with type 2 diabetes the SGLT2 inhibitors can help preserve kidney function and reduce heart failure. But we also know there can be diabetic ketoacidosis and genital infections and other side effects, so it’s been unclear up till now in type 2 diabetes whether they are safe and effective in people hospitalized in respiratory failure with COVID-19. And, given that people with type 2 diabetes and COVID-19 are more likely to require mechanical ventilation and are at greater risk of mortality, we’re anxious to see what these results are.”

Dr. Gabbay commented that, when the DARE study was initiated in April 2020, there were concerns about whether it was safe. And even now, “we’re still not sure about whether SGLT2 inhibitors should be stopped in hospitalized patients. The recommendations say to stop. I think this will be interesting.”

Also to be addressed in several meeting sessions are related issues the pandemic has brought forth, such as the use of telehealth for routine diabetes management, inpatient use of continuous glucose monitoring, and, of course, health care disparities.

“A lot of important issues related to COVID-19 of great interest will be discussed in a variety of sessions,” Dr. Weinstock said.
 

Type 1 diabetes in adults: It’s not just a pediatric disease  

On Monday, June 28, a draft of the first-ever ADA/EASD consensus report on the management of type 1 diabetes in adults will be presented, with the final version slated for the annual meeting of the EASD in September 2021.

A previous ADA position statement had addressed management of type 1 diabetes across all age groups, but this will be the first to focus on adults. This is important, given that type 1 diabetes was formerly called juvenile diabetes and is still often perceived as a childhood disease. Adults who develop it are commonly misdiagnosed as having type 2 diabetes, Dr. Gabbay noted.

“A big-time issue is recognition of type 1 in adults. We often see patients come in who were misdiagnosed, on metformin, and not given insulin. Often they go for a while and get sicker and sicker.” Or, he said, sometimes they’re prescribed insulin but not the intensive regimens that are required for adequate glycemic control in type 1 diabetes. “They can be suboptimally treated and it can take years to get the right therapy. ... It’s unfortunate that they have to experience that.”

Dr. Weinstock, one of the authors of the statement, said it will cover a range of issues, including care schedules, therapies, psychosocial issues, and social determinants of health. “We tried to be comprehensive in this in terms of glycemic management. It doesn’t include a discussion of complications or their management. It really focuses on diagnosis and glycemic management.”
 

Dealing with disparities: ADA has taken several steps

A priority of the ADA is addressing disparities in the delivery of health care to people with diabetes, both Dr. Weinstock and Dr. Gabbay stressed. Quite a few sessions at the meeting will touch on various aspects, including sessions on Friday afternoon on “Health Care as a Social Justice Issue in the Diagnosis and Management of Diabetes,” and separate sessions on “Challenges and Successes With Health Inequities and Health Disparities in Diabetes” in adult and pediatric populations.

“For us at ADA, addressing health disparities is extremely important and we have a number of new programs this year to address this very important issue,” Dr. Weinstock said.

In August 2020, the ADA issued a Health Equity Bill of Rights, which includes access to insulin and other medications, affordable health care, and freedom from stigma and discrimination. The Association has also requested applications from researchers studying disparities in diabetes care.
 

Celebrating 100 years of lifesaving medication

Of course, the ADA will be celebrating the 100th anniversary of the discovery of insulin. A session on Saturday afternoon, entitled, “Insulin at Its 100th Birthday,” will cover the history of the landmark discovery, as well as insulin biosynthesis and mechanisms of action, and “the future of insulin as a therapy.”

Dr. Weinstock noted: “The discovery of insulin was an incredible achievement that, of course, saved the lives of many millions of children and adults. Before insulin became available, children and adults only survived for days or at most a few years after diagnosis. We will commemorate this anniversary.”
 

The virtual platform: Like last year, only better

Dr. Gabbay said in an interview that the virtual setup will be similar to last year’s in that talks will be prerecorded to ensure there are no technical glitches, but for many, presenters will be available afterward for live question and answers.

This year, though, the chat functionality will be enhanced to allow for discussion during the presentation, separate from the scientific question and answers. And, he noted, the virtual exhibit hall will be “bigger and better.”

Despite these improvements, Dr. Gabbay said, the plan is to go back to an in-person meeting in 2022 in New Orleans.

Dr. Weinstock’s institution receives research grants from Medtronic, Insulet, Lilly, Novo Nordisk, and Boehringer Ingelheim. Dr. Gabbay reported no relevant financial relationships.

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

Long-awaited twincretin data, a study to inform prescribing in type 2 diabetes, COVID-19 and diabetes, and new guidance for treating type 1 diabetes in adults will be among the hot topics at the annual scientific sessions of the American Diabetes Association.

The meeting, to be held virtually for a second year, will take place June 25-29. As usual, the sessions will cover a wide range of basic, translational, and clinical material pertaining to type 1 and type 2 diabetes, complications, related subjects such as obesity and cardiovascular disease, and health care delivery.

New to this year’s agenda is COVID-19 and the many ways it has affected people with diabetes and health care delivery. And, more than in the past, the meeting will focus on ethnic and racial disparities in the delivery of care to people with diabetes.

And of course, there will be a tribute to another special aspect of 2021: the 100th anniversary of the discovery of insulin.

“I think there will undoubtedly be several things that will come out of this meeting that will change practice, and it will be important for clinicians to be aware of those, whether that’s groundbreaking trials or interpretation of data that will help us understand the interrelation between diabetes and COVID-19, which is still with us,” ADA chief scientific and medical officer Robert A. Gabbay, MD, PhD, said in an interview.

And ADA president of medicine and science Ruth S. Weinstock, MD, PhD, said in an interview: “I think there are many exciting sessions at this year’s meeting. ...I hope that it will help [clinicians] take better care of their patients with diabetes.

”

Will the twincretin tirzepatide live up to the hype?

Between December 2020 and May 2021, Eli Lilly issued a series of four press releases touting positive top-line results from a series of phase 3 studies on its novel agent tirzepatide, dubbed a twincretin for its dual actions as an agonist of the glucose-dependent insulinotropic polypeptide (GIP) and glucagonlike peptide-1 receptors.  

Detailed results from those four trials, SURPASS-1, -2, -3, and -5, will be presented in a symposium on Tuesday, June 29. Results from SURPASS-4 will be presented at the annual meeting of the European Association for the Study of Diabetes in September 2021.

According to the company, the drug met its phase 3 primary efficacy endpoints for both hemoglobin A1c reduction and weight loss.

“At least the buzz on it has been good, but now we want to see the real data,” Dr. Gabbay said, noting that “the early data on weight loss in particular were quite good. So then the question would be: Do you go to a GLP-1 [agonist] or a dual agonist? There will be studies to tease that out.”

Regarding tirzepatide, Dr. Weinstock said: “Hopefully, more people with type 2 diabetes could achieve their glycemic goals, and those who would benefit from weight loss could have better weight loss. I haven’t seen the data, but if the addition of GIP can further improve glucose lowering as well as weight loss that would be great.”
 

How far will GRADE go in answering the second-drug question?

On Monday, June 28, results will be presented from the long-awaited Glycemia Reduction Approaches in Diabetes – A Comparative Effectiveness (GRADE) study.

Launched in 2013, the trial is funded by the National Institutes of Health and several pharmaceutical company partners. Over 5,000 patients diagnosed with type 2 diabetes within the prior 10 years and already taking metformin were randomized to one of four commonly used second-line glucose-lowering agents: glimepiride, sitagliptin, liraglutide, and basal insulin glargine. The aim was to determine which combination produced the best glycemic control with the fewest side effects.

Dr. Weinstock said: “Clinicians now have increasing numbers of medications to choose from when treating hyperglycemia in type 2 diabetes, and a common dilemma is which one to select. The results of GRADE should be informative for people taking care of type 2 diabetes in different populations.”

However, she also pointed out that GRADE does not include a group with a sodium-glucose transporter 2 inhibitor, as the trial was designed prior to the availability of the drug class. Now, SGLT2 inhibitors are widely used and recommended for cardiovascular and kidney benefit as well as glucose lowering.

“I believe the future is really precision medicine where we individualize treatment. So, for someone with heart failure you might choose an SGLT2 inhibitor, but there are plenty of other subpopulations. They are going to be looking at different subpopulations. I think we’re all very interested in seeing what the results are, but it’s not the end of the story. We will still have to individualize therapy and keep in mind their kidney, heart, heart failure status, and other factors,” she said.

Dr. Gabbay pointed out that GRADE is important because it’s one of the few comparative effectiveness trials conducted in diabetes. “I think it will be very rich [data] that will impact practice in a variety of ways. On the one hand, it doesn’t do everything we’d want it to do, but on the other hand, if you think of the number of comparative effectiveness trials in diabetes, there are not a lot ... I think it will be big.”
 

COVID-19 and diabetes: A lot to discuss  

In contrast to the ADA scientific sessions in 2020, which took place too soon after the start of the COVID-19 pandemic to include much material about it, this year’s meeting will address many different aspects of the novel coronavirus.

Sessions will cover minimizing risk in people with diabetes during the pandemic, the latest data on whether COVID-19 triggers diabetes, and if so, by what mechanism, mental health issues related to COVID-19, as well as the management of foot care, pregnancy, and the pediatric population during the pandemic.

On Sunday, June 27, a symposium will be devoted to results of the DARE-19 trial, which explored the effects of the SGLT2 inhibitor dapagliflozin in more than 1200 patients hospitalized with COVID-19. The overall results, presented in May 2021 at the scientific sessions of the American College of Cardiology, showed a nonsignificant trend for benefit in time to organ failure or death compared with placebo. At ADA, separate efficacy and safety results for patients with and without diabetes will be presented.

According to Dr. Weinstock, “We know that in nonhospitalized patients with type 2 diabetes the SGLT2 inhibitors can help preserve kidney function and reduce heart failure. But we also know there can be diabetic ketoacidosis and genital infections and other side effects, so it’s been unclear up till now in type 2 diabetes whether they are safe and effective in people hospitalized in respiratory failure with COVID-19. And, given that people with type 2 diabetes and COVID-19 are more likely to require mechanical ventilation and are at greater risk of mortality, we’re anxious to see what these results are.”

Dr. Gabbay commented that, when the DARE study was initiated in April 2020, there were concerns about whether it was safe. And even now, “we’re still not sure about whether SGLT2 inhibitors should be stopped in hospitalized patients. The recommendations say to stop. I think this will be interesting.”

Also to be addressed in several meeting sessions are related issues the pandemic has brought forth, such as the use of telehealth for routine diabetes management, inpatient use of continuous glucose monitoring, and, of course, health care disparities.

“A lot of important issues related to COVID-19 of great interest will be discussed in a variety of sessions,” Dr. Weinstock said.
 

Type 1 diabetes in adults: It’s not just a pediatric disease  

On Monday, June 28, a draft of the first-ever ADA/EASD consensus report on the management of type 1 diabetes in adults will be presented, with the final version slated for the annual meeting of the EASD in September 2021.

A previous ADA position statement had addressed management of type 1 diabetes across all age groups, but this will be the first to focus on adults. This is important, given that type 1 diabetes was formerly called juvenile diabetes and is still often perceived as a childhood disease. Adults who develop it are commonly misdiagnosed as having type 2 diabetes, Dr. Gabbay noted.

“A big-time issue is recognition of type 1 in adults. We often see patients come in who were misdiagnosed, on metformin, and not given insulin. Often they go for a while and get sicker and sicker.” Or, he said, sometimes they’re prescribed insulin but not the intensive regimens that are required for adequate glycemic control in type 1 diabetes. “They can be suboptimally treated and it can take years to get the right therapy. ... It’s unfortunate that they have to experience that.”

Dr. Weinstock, one of the authors of the statement, said it will cover a range of issues, including care schedules, therapies, psychosocial issues, and social determinants of health. “We tried to be comprehensive in this in terms of glycemic management. It doesn’t include a discussion of complications or their management. It really focuses on diagnosis and glycemic management.”
 

Dealing with disparities: ADA has taken several steps

A priority of the ADA is addressing disparities in the delivery of health care to people with diabetes, both Dr. Weinstock and Dr. Gabbay stressed. Quite a few sessions at the meeting will touch on various aspects, including sessions on Friday afternoon on “Health Care as a Social Justice Issue in the Diagnosis and Management of Diabetes,” and separate sessions on “Challenges and Successes With Health Inequities and Health Disparities in Diabetes” in adult and pediatric populations.

“For us at ADA, addressing health disparities is extremely important and we have a number of new programs this year to address this very important issue,” Dr. Weinstock said.

In August 2020, the ADA issued a Health Equity Bill of Rights, which includes access to insulin and other medications, affordable health care, and freedom from stigma and discrimination. The Association has also requested applications from researchers studying disparities in diabetes care.
 

Celebrating 100 years of lifesaving medication

Of course, the ADA will be celebrating the 100th anniversary of the discovery of insulin. A session on Saturday afternoon, entitled, “Insulin at Its 100th Birthday,” will cover the history of the landmark discovery, as well as insulin biosynthesis and mechanisms of action, and “the future of insulin as a therapy.”

Dr. Weinstock noted: “The discovery of insulin was an incredible achievement that, of course, saved the lives of many millions of children and adults. Before insulin became available, children and adults only survived for days or at most a few years after diagnosis. We will commemorate this anniversary.”
 

The virtual platform: Like last year, only better

Dr. Gabbay said in an interview that the virtual setup will be similar to last year’s in that talks will be prerecorded to ensure there are no technical glitches, but for many, presenters will be available afterward for live question and answers.

This year, though, the chat functionality will be enhanced to allow for discussion during the presentation, separate from the scientific question and answers. And, he noted, the virtual exhibit hall will be “bigger and better.”

Despite these improvements, Dr. Gabbay said, the plan is to go back to an in-person meeting in 2022 in New Orleans.

Dr. Weinstock’s institution receives research grants from Medtronic, Insulet, Lilly, Novo Nordisk, and Boehringer Ingelheim. Dr. Gabbay reported no relevant financial relationships.

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

The phenomenon of brain fog, as described by some patients with hypothyroidism despite treatment, is often associated with fatigue and cognitive symptoms and may be relieved by a variety of pharmacologic and nonpharmacologic approaches, new research suggests.

The findings come from a survey of more than 700 patients with hypothyroidism due to thyroid surgery and/or radioactive iodine therapy (RAI) or Hashimoto’s who reported having brain fog.

The survey results were presented May 29 at the American Association of Clinical Endocrinology Virtual Annual Meeting 2021 by investigators Matthew D. Ettleson, MD, and Ava Raine, of the University of Chicago, Illinois.

Many patients with hypothyroidism continue to experience symptoms despite taking thyroid hormone replacement therapy and having normal thyroid function test results.

These symptoms can include quantifiable cognitive, quality of life, and metabolic abnormalities. However, “some patients also experience vague and difficult to quantify symptoms, which they describe as brain fog,” Ms. Raine said.

The brain fog phenomenon has been described with somewhat varying features in several different chronic conditions, including postural orthostatic tachycardia syndrome, myalgic encephalomyelitis/chronic fatigue syndrome, fibromyalgia, post-menopausal syndrome, and recently, among people with “long haul” COVID-19 symptoms.

However, brain fog associated with treated hypothyroidism has not been explored in-depth, despite the fact that patients often report it, Ms. Raine noted.
 

Results will help clinicians assist patients with brain fog

Fatigue was the most prominent brain fog symptom reported in the survey, followed by forgetfulness and difficulty focusing. On the other hand, rest and relaxation were the most reported factors that alleviated symptoms, followed by thyroid hormone adjustment.

“Hopefully these findings will help clinicians to recognize and treat the symptoms of brain fog and shed light on a condition which up until now has not been very well understood,” Dr. Ettleson said.

Asked to comment, session moderator Jad G. Sfeir, MD, of the Mayo Medical School, Rochester, Minn., told this news organization: “We do see patients complain a lot about this brain fog. The question is how can I help, and what has worked for them in the past?”

“When you have symptoms that are vague, like brain fog, you don’t have a lot of objective tools to [measure], so you can’t really develop a study to see how a certain medication affects the symptoms. Relying on subjective information from patients saying what worked for them and what did not, you can draw a lot of implications to clinical practice.”

The survey results, Dr. Sfeir said, “will help direct clinicians to know what type of questions to ask patients based on the survey responses and how to make some recommendations that may help.”
 

Fatigue, memory problems, difficulty focusing characterize brain fog

The online survey was distributed to hypothyroidism support groups and through the American Thyroid Association. Of the 5,282 respondents with hypothyroidism and symptoms of brain fog, 46% (2,453) reported having experienced brain fog symptoms prior to their diagnosis of hypothyroidism.

The population analyzed for the study was the 17% (731) who reported experiencing brain fog weeks to months following a diagnosis of hypothyroidism. Of those, 33% had Hashimoto’s, 21% thyroid surgery, 11% RAI therapy, and 15.6% had both thyroid surgery and RAI.  

Brain fog symptoms were reported as occurring “frequently” by 44.5% and “all the time” by 37.0%. The composite symptom score was 22.9 out of 30.

Fatigue, or lack of energy, was the most commonly named symptom, reported by over 90% of both the thyroid surgery/RAI and Hashimoto’s groups, and as occurring “all the time” by about half in each group. Others reported by at least half of both groups included memory problems, difficulty focusing, sleep problems, and difficulties with decision-making. Other symptoms frequently cited included confusion, mood disturbance, and anxiety.

“Each ... domain was reported with some frequency by at least 85% of respondents, regardless of etiology of hypothyroidism, so it really was a high symptom burden that we were seeing, even in those whose symptoms were the least frequent,” Ms. Raine noted.

Symptom scores generally correlated with patient satisfaction scores, particularly with those of cognitive signs and difficulty focusing.
 

Lifting the fog: What do patients say helps them?

The survey asked patients what factors improved or worsened their brain fog symptoms. By far, the most frequent answer was rest/relaxation, endorsed by 58.5%. Another 10.5% listed exercise/outdoor time, but 1.5% said exercise worsened their symptoms.

Unspecified adjustments of thyroid medications were said to improve symptoms for 13.9%. Specific thyroid hormones reported to improve symptoms were liothyronine in 8.8%, desiccated thyroid extract in 3.1%, and levothyroxine in 2.7%. However, another 4.2% said thyroxine worsened their symptoms.

Healthy/nutritious diets were reported to improve symptoms by 6.3%, while consuming gluten, a high-sugar diet, and consuming alcohol were reported to worsen symptoms for 1.3%, 3.2%, and 1.3%, respectively. Caffeine was said to help for 3.1% and to harm by 0.6%.

Small numbers of patients reported improvements in symptoms with vitamins B12 and D, Adderall, or other stimulant medications, antidepressants, naltrexone, sun exposure, and blood glucose stability.

Other factors reported to worsen symptoms included menstruation, infection or other acute illness, pain, and “loud noise.”   

Dr. Ettleson pointed out, “For many of these patients [the brain fog] may have nothing to do with their thyroid. We saw a large proportion of patients who said they had symptoms well before they were ever diagnosed with hypothyroidism, and yet many patients have linked these brain fog symptoms to their thyroid.”

Nonetheless, he said, “I think it’s imperative for the clinician to at least engage in these conversations and not just stop when the thyroid function tests are normal. We have many lifestyle suggestions that have emerged from this study that I think physicians can put forward to patients who are dealing with this ... early in the process in addition to thyroid hormone adjustment, which may help some patients.”  

Dr. Ettleson, Ms. Raine, and Dr. Sfeir have reported no relevant financial relationships.

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

The phenomenon of brain fog, as described by some patients with hypothyroidism despite treatment, is often associated with fatigue and cognitive symptoms and may be relieved by a variety of pharmacologic and nonpharmacologic approaches, new research suggests.

The findings come from a survey of more than 700 patients with hypothyroidism due to thyroid surgery and/or radioactive iodine therapy (RAI) or Hashimoto’s who reported having brain fog.

The survey results were presented May 29 at the American Association of Clinical Endocrinology Virtual Annual Meeting 2021 by investigators Matthew D. Ettleson, MD, and Ava Raine, of the University of Chicago, Illinois.

Many patients with hypothyroidism continue to experience symptoms despite taking thyroid hormone replacement therapy and having normal thyroid function test results.

These symptoms can include quantifiable cognitive, quality of life, and metabolic abnormalities. However, “some patients also experience vague and difficult to quantify symptoms, which they describe as brain fog,” Ms. Raine said.

The brain fog phenomenon has been described with somewhat varying features in several different chronic conditions, including postural orthostatic tachycardia syndrome, myalgic encephalomyelitis/chronic fatigue syndrome, fibromyalgia, post-menopausal syndrome, and recently, among people with “long haul” COVID-19 symptoms.

However, brain fog associated with treated hypothyroidism has not been explored in-depth, despite the fact that patients often report it, Ms. Raine noted.
 

Results will help clinicians assist patients with brain fog

Fatigue was the most prominent brain fog symptom reported in the survey, followed by forgetfulness and difficulty focusing. On the other hand, rest and relaxation were the most reported factors that alleviated symptoms, followed by thyroid hormone adjustment.

“Hopefully these findings will help clinicians to recognize and treat the symptoms of brain fog and shed light on a condition which up until now has not been very well understood,” Dr. Ettleson said.

Asked to comment, session moderator Jad G. Sfeir, MD, of the Mayo Medical School, Rochester, Minn., told this news organization: “We do see patients complain a lot about this brain fog. The question is how can I help, and what has worked for them in the past?”

“When you have symptoms that are vague, like brain fog, you don’t have a lot of objective tools to [measure], so you can’t really develop a study to see how a certain medication affects the symptoms. Relying on subjective information from patients saying what worked for them and what did not, you can draw a lot of implications to clinical practice.”

The survey results, Dr. Sfeir said, “will help direct clinicians to know what type of questions to ask patients based on the survey responses and how to make some recommendations that may help.”
 

Fatigue, memory problems, difficulty focusing characterize brain fog

The online survey was distributed to hypothyroidism support groups and through the American Thyroid Association. Of the 5,282 respondents with hypothyroidism and symptoms of brain fog, 46% (2,453) reported having experienced brain fog symptoms prior to their diagnosis of hypothyroidism.

The population analyzed for the study was the 17% (731) who reported experiencing brain fog weeks to months following a diagnosis of hypothyroidism. Of those, 33% had Hashimoto’s, 21% thyroid surgery, 11% RAI therapy, and 15.6% had both thyroid surgery and RAI.  

Brain fog symptoms were reported as occurring “frequently” by 44.5% and “all the time” by 37.0%. The composite symptom score was 22.9 out of 30.

Fatigue, or lack of energy, was the most commonly named symptom, reported by over 90% of both the thyroid surgery/RAI and Hashimoto’s groups, and as occurring “all the time” by about half in each group. Others reported by at least half of both groups included memory problems, difficulty focusing, sleep problems, and difficulties with decision-making. Other symptoms frequently cited included confusion, mood disturbance, and anxiety.

“Each ... domain was reported with some frequency by at least 85% of respondents, regardless of etiology of hypothyroidism, so it really was a high symptom burden that we were seeing, even in those whose symptoms were the least frequent,” Ms. Raine noted.

Symptom scores generally correlated with patient satisfaction scores, particularly with those of cognitive signs and difficulty focusing.
 

Lifting the fog: What do patients say helps them?

The survey asked patients what factors improved or worsened their brain fog symptoms. By far, the most frequent answer was rest/relaxation, endorsed by 58.5%. Another 10.5% listed exercise/outdoor time, but 1.5% said exercise worsened their symptoms.

Unspecified adjustments of thyroid medications were said to improve symptoms for 13.9%. Specific thyroid hormones reported to improve symptoms were liothyronine in 8.8%, desiccated thyroid extract in 3.1%, and levothyroxine in 2.7%. However, another 4.2% said thyroxine worsened their symptoms.

Healthy/nutritious diets were reported to improve symptoms by 6.3%, while consuming gluten, a high-sugar diet, and consuming alcohol were reported to worsen symptoms for 1.3%, 3.2%, and 1.3%, respectively. Caffeine was said to help for 3.1% and to harm by 0.6%.

Small numbers of patients reported improvements in symptoms with vitamins B12 and D, Adderall, or other stimulant medications, antidepressants, naltrexone, sun exposure, and blood glucose stability.

Other factors reported to worsen symptoms included menstruation, infection or other acute illness, pain, and “loud noise.”   

Dr. Ettleson pointed out, “For many of these patients [the brain fog] may have nothing to do with their thyroid. We saw a large proportion of patients who said they had symptoms well before they were ever diagnosed with hypothyroidism, and yet many patients have linked these brain fog symptoms to their thyroid.”

Nonetheless, he said, “I think it’s imperative for the clinician to at least engage in these conversations and not just stop when the thyroid function tests are normal. We have many lifestyle suggestions that have emerged from this study that I think physicians can put forward to patients who are dealing with this ... early in the process in addition to thyroid hormone adjustment, which may help some patients.”  

Dr. Ettleson, Ms. Raine, and Dr. Sfeir have reported no relevant financial relationships.

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

The phenomenon of brain fog, as described by some patients with hypothyroidism despite treatment, is often associated with fatigue and cognitive symptoms and may be relieved by a variety of pharmacologic and nonpharmacologic approaches, new research suggests.

The findings come from a survey of more than 700 patients with hypothyroidism due to thyroid surgery and/or radioactive iodine therapy (RAI) or Hashimoto’s who reported having brain fog.

The survey results were presented May 29 at the American Association of Clinical Endocrinology Virtual Annual Meeting 2021 by investigators Matthew D. Ettleson, MD, and Ava Raine, of the University of Chicago, Illinois.

Many patients with hypothyroidism continue to experience symptoms despite taking thyroid hormone replacement therapy and having normal thyroid function test results.

These symptoms can include quantifiable cognitive, quality of life, and metabolic abnormalities. However, “some patients also experience vague and difficult to quantify symptoms, which they describe as brain fog,” Ms. Raine said.

The brain fog phenomenon has been described with somewhat varying features in several different chronic conditions, including postural orthostatic tachycardia syndrome, myalgic encephalomyelitis/chronic fatigue syndrome, fibromyalgia, post-menopausal syndrome, and recently, among people with “long haul” COVID-19 symptoms.

However, brain fog associated with treated hypothyroidism has not been explored in-depth, despite the fact that patients often report it, Ms. Raine noted.
 

Results will help clinicians assist patients with brain fog

Fatigue was the most prominent brain fog symptom reported in the survey, followed by forgetfulness and difficulty focusing. On the other hand, rest and relaxation were the most reported factors that alleviated symptoms, followed by thyroid hormone adjustment.

“Hopefully these findings will help clinicians to recognize and treat the symptoms of brain fog and shed light on a condition which up until now has not been very well understood,” Dr. Ettleson said.

Asked to comment, session moderator Jad G. Sfeir, MD, of the Mayo Medical School, Rochester, Minn., told this news organization: “We do see patients complain a lot about this brain fog. The question is how can I help, and what has worked for them in the past?”

“When you have symptoms that are vague, like brain fog, you don’t have a lot of objective tools to [measure], so you can’t really develop a study to see how a certain medication affects the symptoms. Relying on subjective information from patients saying what worked for them and what did not, you can draw a lot of implications to clinical practice.”

The survey results, Dr. Sfeir said, “will help direct clinicians to know what type of questions to ask patients based on the survey responses and how to make some recommendations that may help.”
 

Fatigue, memory problems, difficulty focusing characterize brain fog

The online survey was distributed to hypothyroidism support groups and through the American Thyroid Association. Of the 5,282 respondents with hypothyroidism and symptoms of brain fog, 46% (2,453) reported having experienced brain fog symptoms prior to their diagnosis of hypothyroidism.

The population analyzed for the study was the 17% (731) who reported experiencing brain fog weeks to months following a diagnosis of hypothyroidism. Of those, 33% had Hashimoto’s, 21% thyroid surgery, 11% RAI therapy, and 15.6% had both thyroid surgery and RAI.  

Brain fog symptoms were reported as occurring “frequently” by 44.5% and “all the time” by 37.0%. The composite symptom score was 22.9 out of 30.

Fatigue, or lack of energy, was the most commonly named symptom, reported by over 90% of both the thyroid surgery/RAI and Hashimoto’s groups, and as occurring “all the time” by about half in each group. Others reported by at least half of both groups included memory problems, difficulty focusing, sleep problems, and difficulties with decision-making. Other symptoms frequently cited included confusion, mood disturbance, and anxiety.

“Each ... domain was reported with some frequency by at least 85% of respondents, regardless of etiology of hypothyroidism, so it really was a high symptom burden that we were seeing, even in those whose symptoms were the least frequent,” Ms. Raine noted.

Symptom scores generally correlated with patient satisfaction scores, particularly with those of cognitive signs and difficulty focusing.
 

Lifting the fog: What do patients say helps them?

The survey asked patients what factors improved or worsened their brain fog symptoms. By far, the most frequent answer was rest/relaxation, endorsed by 58.5%. Another 10.5% listed exercise/outdoor time, but 1.5% said exercise worsened their symptoms.

Unspecified adjustments of thyroid medications were said to improve symptoms for 13.9%. Specific thyroid hormones reported to improve symptoms were liothyronine in 8.8%, desiccated thyroid extract in 3.1%, and levothyroxine in 2.7%. However, another 4.2% said thyroxine worsened their symptoms.

Healthy/nutritious diets were reported to improve symptoms by 6.3%, while consuming gluten, a high-sugar diet, and consuming alcohol were reported to worsen symptoms for 1.3%, 3.2%, and 1.3%, respectively. Caffeine was said to help for 3.1% and to harm by 0.6%.

Small numbers of patients reported improvements in symptoms with vitamins B12 and D, Adderall, or other stimulant medications, antidepressants, naltrexone, sun exposure, and blood glucose stability.

Other factors reported to worsen symptoms included menstruation, infection or other acute illness, pain, and “loud noise.”   

Dr. Ettleson pointed out, “For many of these patients [the brain fog] may have nothing to do with their thyroid. We saw a large proportion of patients who said they had symptoms well before they were ever diagnosed with hypothyroidism, and yet many patients have linked these brain fog symptoms to their thyroid.”

Nonetheless, he said, “I think it’s imperative for the clinician to at least engage in these conversations and not just stop when the thyroid function tests are normal. We have many lifestyle suggestions that have emerged from this study that I think physicians can put forward to patients who are dealing with this ... early in the process in addition to thyroid hormone adjustment, which may help some patients.”  

Dr. Ettleson, Ms. Raine, and Dr. Sfeir have reported no relevant financial relationships.

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

Medicare has made two changes that are expected to improve access to continuous glucose monitoring (CGM) devices for beneficiaries with diabetes.

Courtesy Medtronic

Beginning July 18, 2021, the Centers for Medicare & Medicaid Services will no longer require that beneficiaries test their blood sugar four times a day in order to qualify for CGM. In addition, the term “multiple daily injections” of insulin has been changed to multiple daily “administrations” in order to allow coverage for people who use inhaled insulin.

The changes are among those lobbied for by several organizations, including the American Diabetes Association and the Association of Diabetes Care and Education Specialists, which represents the professionals formerly known as “diabetes educators.”

The ADA tweeted on July 11 that “the removal of this criterion has been an effort long-led by the ADA, on which we have been actively engaged with CMS. People with diabetes on Medicare will now be able to more easily access this critical piece of technology, leading to better diabetes management and better health outcomes. A big win for the diabetes community!”

“After years of advocacy from the diabetes community and ADCES, Medicare has taken an important step to make [CGM] more accessible for Medicare beneficiaries with diabetes,” Kate Thomas, ADCES chief advocacy and external affairs officer, wrote in a blog post. “This updated [Local Coverage Determination] was a direct result of coordinated advocacy efforts among patient and provider groups, as well as industry partners, coalitions and other entities.”
 

It’s tough to test four times a day with only three strips

In a Jan. 29, 2021, letter to the Medicare Administrative Contractors, who oversee the policies for durable medical equipment, ADCES explained why the organization strongly supported removal of the four-daily fingerstick requirement, noting that “There is no evidence to suggest that requiring four or more fingerstick tests per day significantly impacts the outcomes of CGM therapy.”

Moreover, they pointed out that the requirement was particularly burdensome, considering the fact that Medicare only covers three test strips per day for insulin-using beneficiaries. “Removing this coverage requirement would allow for increased access to CGM systems and improved health outcomes for beneficiaries with diabetes by improving glycemic control. This also represents a step toward addressing the disparities that exist around diabetes technology under the Medicare program.”

As for the terminology change from “injection” to “administration,” ADCES said that, in addition to allowing CGM coverage for individuals who use rapid-acting inhaled insulin, “we also hope that updating this terminology will help to expedite coverage as future innovations in insulin delivery methods come to market.”
 

More changes needed, ADCES says

In that January 2021 letter, ADCES recommended several other changes, including covering CGM for anyone diagnosed with type 1 diabetes at any age and without having to meet other requirements except for twice-yearly clinician visits, and for anyone with type 2 diabetes who uses any type of insulin or who has had documented hypoglycemia regardless of therapy.

They also recommended that CGM coverage be considered for patients with chronic kidney disease, and that the required 6-month clinician visits be allowed to take place via telehealth. “ADCES believes that allowing the initiation of CGM therapy through a virtual visit will reduce barriers associated with travel and difficulty accessing a trained provider that are experienced by Medicare beneficiaries.”

In addition, ADCES requested that CMS eliminate the requirement that beneficiaries use insulin three times a day to qualify for CGM, noting that this creates a barrier for patients who can’t afford insulin at all but are at risk for hypoglycemia because they take sulfonylureas or other insulin secretagogues, or for those who use cheaper synthetic human insulins that are only taken twice a day, such as NPH.

“The existing CGM coverage criteria creates an unbalanced and disparate system that excludes from coverage beneficiaries who could greatly benefit from a CGM system, but do not qualify due to issues with insulin affordability,” ADCES wrote in the January letter.

Ms. Thomas wrote in the June 14th blog: “Our work is not done. We know there are more changes that must be made.”

Medicare has made two changes that are expected to improve access to continuous glucose monitoring (CGM) devices for beneficiaries with diabetes.

Courtesy Medtronic

Beginning July 18, 2021, the Centers for Medicare & Medicaid Services will no longer require that beneficiaries test their blood sugar four times a day in order to qualify for CGM. In addition, the term “multiple daily injections” of insulin has been changed to multiple daily “administrations” in order to allow coverage for people who use inhaled insulin.

The changes are among those lobbied for by several organizations, including the American Diabetes Association and the Association of Diabetes Care and Education Specialists, which represents the professionals formerly known as “diabetes educators.”

The ADA tweeted on July 11 that “the removal of this criterion has been an effort long-led by the ADA, on which we have been actively engaged with CMS. People with diabetes on Medicare will now be able to more easily access this critical piece of technology, leading to better diabetes management and better health outcomes. A big win for the diabetes community!”

“After years of advocacy from the diabetes community and ADCES, Medicare has taken an important step to make [CGM] more accessible for Medicare beneficiaries with diabetes,” Kate Thomas, ADCES chief advocacy and external affairs officer, wrote in a blog post. “This updated [Local Coverage Determination] was a direct result of coordinated advocacy efforts among patient and provider groups, as well as industry partners, coalitions and other entities.”
 

It’s tough to test four times a day with only three strips

In a Jan. 29, 2021, letter to the Medicare Administrative Contractors, who oversee the policies for durable medical equipment, ADCES explained why the organization strongly supported removal of the four-daily fingerstick requirement, noting that “There is no evidence to suggest that requiring four or more fingerstick tests per day significantly impacts the outcomes of CGM therapy.”

Moreover, they pointed out that the requirement was particularly burdensome, considering the fact that Medicare only covers three test strips per day for insulin-using beneficiaries. “Removing this coverage requirement would allow for increased access to CGM systems and improved health outcomes for beneficiaries with diabetes by improving glycemic control. This also represents a step toward addressing the disparities that exist around diabetes technology under the Medicare program.”

As for the terminology change from “injection” to “administration,” ADCES said that, in addition to allowing CGM coverage for individuals who use rapid-acting inhaled insulin, “we also hope that updating this terminology will help to expedite coverage as future innovations in insulin delivery methods come to market.”
 

More changes needed, ADCES says

In that January 2021 letter, ADCES recommended several other changes, including covering CGM for anyone diagnosed with type 1 diabetes at any age and without having to meet other requirements except for twice-yearly clinician visits, and for anyone with type 2 diabetes who uses any type of insulin or who has had documented hypoglycemia regardless of therapy.

They also recommended that CGM coverage be considered for patients with chronic kidney disease, and that the required 6-month clinician visits be allowed to take place via telehealth. “ADCES believes that allowing the initiation of CGM therapy through a virtual visit will reduce barriers associated with travel and difficulty accessing a trained provider that are experienced by Medicare beneficiaries.”

In addition, ADCES requested that CMS eliminate the requirement that beneficiaries use insulin three times a day to qualify for CGM, noting that this creates a barrier for patients who can’t afford insulin at all but are at risk for hypoglycemia because they take sulfonylureas or other insulin secretagogues, or for those who use cheaper synthetic human insulins that are only taken twice a day, such as NPH.

“The existing CGM coverage criteria creates an unbalanced and disparate system that excludes from coverage beneficiaries who could greatly benefit from a CGM system, but do not qualify due to issues with insulin affordability,” ADCES wrote in the January letter.

Ms. Thomas wrote in the June 14th blog: “Our work is not done. We know there are more changes that must be made.”

Medicare has made two changes that are expected to improve access to continuous glucose monitoring (CGM) devices for beneficiaries with diabetes.

Courtesy Medtronic

Beginning July 18, 2021, the Centers for Medicare & Medicaid Services will no longer require that beneficiaries test their blood sugar four times a day in order to qualify for CGM. In addition, the term “multiple daily injections” of insulin has been changed to multiple daily “administrations” in order to allow coverage for people who use inhaled insulin.

The changes are among those lobbied for by several organizations, including the American Diabetes Association and the Association of Diabetes Care and Education Specialists, which represents the professionals formerly known as “diabetes educators.”

The ADA tweeted on July 11 that “the removal of this criterion has been an effort long-led by the ADA, on which we have been actively engaged with CMS. People with diabetes on Medicare will now be able to more easily access this critical piece of technology, leading to better diabetes management and better health outcomes. A big win for the diabetes community!”

“After years of advocacy from the diabetes community and ADCES, Medicare has taken an important step to make [CGM] more accessible for Medicare beneficiaries with diabetes,” Kate Thomas, ADCES chief advocacy and external affairs officer, wrote in a blog post. “This updated [Local Coverage Determination] was a direct result of coordinated advocacy efforts among patient and provider groups, as well as industry partners, coalitions and other entities.”
 

It’s tough to test four times a day with only three strips

In a Jan. 29, 2021, letter to the Medicare Administrative Contractors, who oversee the policies for durable medical equipment, ADCES explained why the organization strongly supported removal of the four-daily fingerstick requirement, noting that “There is no evidence to suggest that requiring four or more fingerstick tests per day significantly impacts the outcomes of CGM therapy.”

Moreover, they pointed out that the requirement was particularly burdensome, considering the fact that Medicare only covers three test strips per day for insulin-using beneficiaries. “Removing this coverage requirement would allow for increased access to CGM systems and improved health outcomes for beneficiaries with diabetes by improving glycemic control. This also represents a step toward addressing the disparities that exist around diabetes technology under the Medicare program.”

As for the terminology change from “injection” to “administration,” ADCES said that, in addition to allowing CGM coverage for individuals who use rapid-acting inhaled insulin, “we also hope that updating this terminology will help to expedite coverage as future innovations in insulin delivery methods come to market.”
 

More changes needed, ADCES says

In that January 2021 letter, ADCES recommended several other changes, including covering CGM for anyone diagnosed with type 1 diabetes at any age and without having to meet other requirements except for twice-yearly clinician visits, and for anyone with type 2 diabetes who uses any type of insulin or who has had documented hypoglycemia regardless of therapy.

They also recommended that CGM coverage be considered for patients with chronic kidney disease, and that the required 6-month clinician visits be allowed to take place via telehealth. “ADCES believes that allowing the initiation of CGM therapy through a virtual visit will reduce barriers associated with travel and difficulty accessing a trained provider that are experienced by Medicare beneficiaries.”

In addition, ADCES requested that CMS eliminate the requirement that beneficiaries use insulin three times a day to qualify for CGM, noting that this creates a barrier for patients who can’t afford insulin at all but are at risk for hypoglycemia because they take sulfonylureas or other insulin secretagogues, or for those who use cheaper synthetic human insulins that are only taken twice a day, such as NPH.

“The existing CGM coverage criteria creates an unbalanced and disparate system that excludes from coverage beneficiaries who could greatly benefit from a CGM system, but do not qualify due to issues with insulin affordability,” ADCES wrote in the January letter.

Ms. Thomas wrote in the June 14th blog: “Our work is not done. We know there are more changes that must be made.”

People with “metabolically healthy obesity” are actually not healthy, since they are at increased risk for several adverse cardiometabolic outcomes, compared with people without obesity and or adverse metabolic profiles, new research suggests.

The latest data on this controversial subject come from an analysis of nearly 400,000 people in the U.K. Biobank. Although the data also showed that metabolically healthy obesity poses less risk than “metabolically unhealthy” obesity, the risk of progression from healthy to unhealthy within 3-5 years was high.

“People with metabolically healthy obesity are not ‘healthy’ as they are at higher risk of atherosclerotic cardiovascular disease [ASCVD], heart failure, and respiratory diseases, compared with nonobese people with a normal metabolic profile. As such, weight management could be beneficial to all people with obesity irrespective of metabolic profile,” Ziyi Zhou and colleagues wrote in their report, published June 10, 2021, in Diabetologia.

Moreover, they advised avoiding the term metabolically healthy obesity entirely in clinical medicine “as it is misleading, and different strategies for risk stratification should be explored.”

In interviews, two experts provided somewhat different takes on the study and the overall subject.
 

‘Lifestyle should be explored with every single patient regardless of their weight’

Yoni Freedhoff, MD, medical director of the Bariatric Medical Institute, Ottawa, said “clinicians and patients need to be aware that obesity increases a person’s risk of various medical problems, and in turn this might lead to more frequent screening. This increased screening might be analogous to that of a person with a strong familial history of cancer who of course we would never describe as being ‘unhealthy’ as a consequence of their increased risk.”

In addition to screening, “lifestyle should be explored with every single patient regardless of their weight, and if a person’s weight is not affecting their health or their quality of life, a clinician need only let the patient know that, were they to want to discuss weight management options in the future, that they’d be there for them,” said Dr. Freedhoff.
 

‘Metabolically healthy obesity’ has had many definitions

Matthias Schulze, DrPH, head of the molecular epidemiology at the German Institute of Human Nutrition, Potsdam, and professor at the University of Potsdam, pointed out that the way metabolically healthy obesity is defined and the outcomes assessed make a difference.

In the current study, the term is defined as having a body mass index of at least 30 kg/m² and at least four of six metabolically healthy criteria: blood pressure, C-reactive protein, triacylglycerols, LDL cholesterol, HDL cholesterol, and hemoglobin A1c.

In May 2021, Dr. Schulze and associates reported in JAMA Network Open on a different definition that they found to identify individuals who do not have an increased risk of cardiovascular disease death and total mortality. Interestingly, they also used the U.K. Biobank as their validation cohort.

“We derived a new definition of metabolic health ... that is different from those used in [the current] article. Importantly, we included a measure of body fat distribution, waist-to-hip ratio. On the other side, we investigated only mortality outcomes and we can therefore not exclude the possibility that other outcomes may still be related. [For example], a higher diabetes risk may still be present among those we have defined as having metabolically healthy obesity.”

Dr. Schulze also said that several previous studies and meta-analyses have suggested that “previous common definitions of metabolically healthy obesity do not identify a subgroup without risk, or being at risk comparable to normal-weight metabolically healthy. Thus, this study confirms this conclusion. [But] this doesn’t rule out that there are better ways of defining subgroups.”

Clinically, he said “given that we investigated only mortality, we cannot conclude that our ‘metabolically healthy obesity’ group doesn’t require intervention.”

Higher rates of diabetes, ASCVD, heart failure, death

The current population-based study included 381,363 U.K. Biobank participants who were followed up for a median 11.2 years. Overall, about 55% did not have obesity or metabolic abnormalities, 9% had metabolically healthy obesity, 20% were metabolically unhealthy but did not have obesity, and 16% had metabolically unhealthy obesity as defined by the investigators.

The investigators adjusted the data for several potential confounders, including age, sex, ethnicity, education, socioeconomic status, smoking status, physical activity, and dietary factors.

Compared with individuals without obesity or metabolic abnormalities, those with metabolically healthy obesity had significantly higher rates of incident diabetes (hazard ratio, 4.32), ASCVD (HR, 1.18), myocardial infarction (HR, 1.23), stroke (HR, 1.10), heart failure (HR, 1.76), respiratory diseases (HR, 1.28), and chronic obstructive pulmonary disease (HR, 1.19).

In general, rates of cardiovascular and respiratory outcomes were highest in metabolically unhealthy obesity, followed by those without obesity but with metabolic abnormalities and those with metabolically healthy obesity. However, for incident and fatal heart failure and incident respiratory diseases, those with metabolically healthy obesity had higher rates than did those without obesity but with metabolic abnormalities.

Compared with those without obesity or metabolic abnormalities, those with metabolically healthy obesity had significantly higher all-cause mortality rates (HR, 1.22). And, compared with those without obesity (regardless of metabolic status) at baseline, those with metabolically healthy obesity were significantly more likely to have diabetes (HR, 2.06), heart failure (HR, 1.6), and respiratory diseases (HR, 1.2), but not ASCVD. The association was also significant for all-cause and heart failure mortality (HR, 1.12 and 1.44, respectively), but not for other causes of death.
 

Progression from metabolically healthy to unhealthy is common

Among 8,512 participants for whom longitudinal data were available for a median of 4.4 years, half of those with metabolically healthy obesity remained in that category, 20% no longer had obesity, and more than a quarter transitioned to metabolically unhealthy obesity. Compared with those without obesity or metabolic abnormalities throughout, those who transitioned from metabolically healthy to metabolically unhealthy had significantly higher rates of incident ASCVD (HR, 2.46) and all-cause mortality (HR, 3.07).

But those who remained in the metabolically healthy obesity category throughout did not have significantly increased risks for the adverse outcomes measured.

Ms. Zhou and colleagues noted that the data demonstrate heterogeneity among people with obesity, which offers the potential to stratify risk based on prognosis. For example, “people with [metabolically unhealthy obesity] were at a higher risk of mortality and morbidity than everyone else, and thus they should be prioritized for intervention.”

However, they add, “Obesity is associated with a wide range of diseases, and using a single label or categorical risk algorithm is unlikely to be effective compared with prediction algorithms based on disease-specific and continuous risk markers.”

Ms. Zhou has no disclosures. One coauthor has relationships with numerous pharmaceutical companies; the rest have none. Dr. Freedhoff has served as a director, officer, partner, employee, adviser, consultant, or trustee for the Bariatric Medical Institute and Constant Health. He is a speaker or a member of a speakers bureau for Obesity Canada and Novo Nordisk, received research grant from Novo Nordisk, and received income of at least $250 from WebMD, CTV, and Random House. Dr/ Schulze has received grants from German Federal Ministry of Education and Research.

People with “metabolically healthy obesity” are actually not healthy, since they are at increased risk for several adverse cardiometabolic outcomes, compared with people without obesity and or adverse metabolic profiles, new research suggests.

The latest data on this controversial subject come from an analysis of nearly 400,000 people in the U.K. Biobank. Although the data also showed that metabolically healthy obesity poses less risk than “metabolically unhealthy” obesity, the risk of progression from healthy to unhealthy within 3-5 years was high.

“People with metabolically healthy obesity are not ‘healthy’ as they are at higher risk of atherosclerotic cardiovascular disease [ASCVD], heart failure, and respiratory diseases, compared with nonobese people with a normal metabolic profile. As such, weight management could be beneficial to all people with obesity irrespective of metabolic profile,” Ziyi Zhou and colleagues wrote in their report, published June 10, 2021, in Diabetologia.

Moreover, they advised avoiding the term metabolically healthy obesity entirely in clinical medicine “as it is misleading, and different strategies for risk stratification should be explored.”

In interviews, two experts provided somewhat different takes on the study and the overall subject.
 

‘Lifestyle should be explored with every single patient regardless of their weight’

Yoni Freedhoff, MD, medical director of the Bariatric Medical Institute, Ottawa, said “clinicians and patients need to be aware that obesity increases a person’s risk of various medical problems, and in turn this might lead to more frequent screening. This increased screening might be analogous to that of a person with a strong familial history of cancer who of course we would never describe as being ‘unhealthy’ as a consequence of their increased risk.”

In addition to screening, “lifestyle should be explored with every single patient regardless of their weight, and if a person’s weight is not affecting their health or their quality of life, a clinician need only let the patient know that, were they to want to discuss weight management options in the future, that they’d be there for them,” said Dr. Freedhoff.
 

‘Metabolically healthy obesity’ has had many definitions

Matthias Schulze, DrPH, head of the molecular epidemiology at the German Institute of Human Nutrition, Potsdam, and professor at the University of Potsdam, pointed out that the way metabolically healthy obesity is defined and the outcomes assessed make a difference.

In the current study, the term is defined as having a body mass index of at least 30 kg/m² and at least four of six metabolically healthy criteria: blood pressure, C-reactive protein, triacylglycerols, LDL cholesterol, HDL cholesterol, and hemoglobin A1c.

In May 2021, Dr. Schulze and associates reported in JAMA Network Open on a different definition that they found to identify individuals who do not have an increased risk of cardiovascular disease death and total mortality. Interestingly, they also used the U.K. Biobank as their validation cohort.

“We derived a new definition of metabolic health ... that is different from those used in [the current] article. Importantly, we included a measure of body fat distribution, waist-to-hip ratio. On the other side, we investigated only mortality outcomes and we can therefore not exclude the possibility that other outcomes may still be related. [For example], a higher diabetes risk may still be present among those we have defined as having metabolically healthy obesity.”

Dr. Schulze also said that several previous studies and meta-analyses have suggested that “previous common definitions of metabolically healthy obesity do not identify a subgroup without risk, or being at risk comparable to normal-weight metabolically healthy. Thus, this study confirms this conclusion. [But] this doesn’t rule out that there are better ways of defining subgroups.”

Clinically, he said “given that we investigated only mortality, we cannot conclude that our ‘metabolically healthy obesity’ group doesn’t require intervention.”

Higher rates of diabetes, ASCVD, heart failure, death

The current population-based study included 381,363 U.K. Biobank participants who were followed up for a median 11.2 years. Overall, about 55% did not have obesity or metabolic abnormalities, 9% had metabolically healthy obesity, 20% were metabolically unhealthy but did not have obesity, and 16% had metabolically unhealthy obesity as defined by the investigators.

The investigators adjusted the data for several potential confounders, including age, sex, ethnicity, education, socioeconomic status, smoking status, physical activity, and dietary factors.

Compared with individuals without obesity or metabolic abnormalities, those with metabolically healthy obesity had significantly higher rates of incident diabetes (hazard ratio, 4.32), ASCVD (HR, 1.18), myocardial infarction (HR, 1.23), stroke (HR, 1.10), heart failure (HR, 1.76), respiratory diseases (HR, 1.28), and chronic obstructive pulmonary disease (HR, 1.19).

In general, rates of cardiovascular and respiratory outcomes were highest in metabolically unhealthy obesity, followed by those without obesity but with metabolic abnormalities and those with metabolically healthy obesity. However, for incident and fatal heart failure and incident respiratory diseases, those with metabolically healthy obesity had higher rates than did those without obesity but with metabolic abnormalities.

Compared with those without obesity or metabolic abnormalities, those with metabolically healthy obesity had significantly higher all-cause mortality rates (HR, 1.22). And, compared with those without obesity (regardless of metabolic status) at baseline, those with metabolically healthy obesity were significantly more likely to have diabetes (HR, 2.06), heart failure (HR, 1.6), and respiratory diseases (HR, 1.2), but not ASCVD. The association was also significant for all-cause and heart failure mortality (HR, 1.12 and 1.44, respectively), but not for other causes of death.
 

Progression from metabolically healthy to unhealthy is common

Among 8,512 participants for whom longitudinal data were available for a median of 4.4 years, half of those with metabolically healthy obesity remained in that category, 20% no longer had obesity, and more than a quarter transitioned to metabolically unhealthy obesity. Compared with those without obesity or metabolic abnormalities throughout, those who transitioned from metabolically healthy to metabolically unhealthy had significantly higher rates of incident ASCVD (HR, 2.46) and all-cause mortality (HR, 3.07).

But those who remained in the metabolically healthy obesity category throughout did not have significantly increased risks for the adverse outcomes measured.

Ms. Zhou and colleagues noted that the data demonstrate heterogeneity among people with obesity, which offers the potential to stratify risk based on prognosis. For example, “people with [metabolically unhealthy obesity] were at a higher risk of mortality and morbidity than everyone else, and thus they should be prioritized for intervention.”

However, they add, “Obesity is associated with a wide range of diseases, and using a single label or categorical risk algorithm is unlikely to be effective compared with prediction algorithms based on disease-specific and continuous risk markers.”

Ms. Zhou has no disclosures. One coauthor has relationships with numerous pharmaceutical companies; the rest have none. Dr. Freedhoff has served as a director, officer, partner, employee, adviser, consultant, or trustee for the Bariatric Medical Institute and Constant Health. He is a speaker or a member of a speakers bureau for Obesity Canada and Novo Nordisk, received research grant from Novo Nordisk, and received income of at least $250 from WebMD, CTV, and Random House. Dr/ Schulze has received grants from German Federal Ministry of Education and Research.

People with “metabolically healthy obesity” are actually not healthy, since they are at increased risk for several adverse cardiometabolic outcomes, compared with people without obesity and or adverse metabolic profiles, new research suggests.

The latest data on this controversial subject come from an analysis of nearly 400,000 people in the U.K. Biobank. Although the data also showed that metabolically healthy obesity poses less risk than “metabolically unhealthy” obesity, the risk of progression from healthy to unhealthy within 3-5 years was high.

“People with metabolically healthy obesity are not ‘healthy’ as they are at higher risk of atherosclerotic cardiovascular disease [ASCVD], heart failure, and respiratory diseases, compared with nonobese people with a normal metabolic profile. As such, weight management could be beneficial to all people with obesity irrespective of metabolic profile,” Ziyi Zhou and colleagues wrote in their report, published June 10, 2021, in Diabetologia.

Moreover, they advised avoiding the term metabolically healthy obesity entirely in clinical medicine “as it is misleading, and different strategies for risk stratification should be explored.”

In interviews, two experts provided somewhat different takes on the study and the overall subject.
 

‘Lifestyle should be explored with every single patient regardless of their weight’

Yoni Freedhoff, MD, medical director of the Bariatric Medical Institute, Ottawa, said “clinicians and patients need to be aware that obesity increases a person’s risk of various medical problems, and in turn this might lead to more frequent screening. This increased screening might be analogous to that of a person with a strong familial history of cancer who of course we would never describe as being ‘unhealthy’ as a consequence of their increased risk.”

In addition to screening, “lifestyle should be explored with every single patient regardless of their weight, and if a person’s weight is not affecting their health or their quality of life, a clinician need only let the patient know that, were they to want to discuss weight management options in the future, that they’d be there for them,” said Dr. Freedhoff.
 

‘Metabolically healthy obesity’ has had many definitions

Matthias Schulze, DrPH, head of the molecular epidemiology at the German Institute of Human Nutrition, Potsdam, and professor at the University of Potsdam, pointed out that the way metabolically healthy obesity is defined and the outcomes assessed make a difference.

In the current study, the term is defined as having a body mass index of at least 30 kg/m² and at least four of six metabolically healthy criteria: blood pressure, C-reactive protein, triacylglycerols, LDL cholesterol, HDL cholesterol, and hemoglobin A1c.

In May 2021, Dr. Schulze and associates reported in JAMA Network Open on a different definition that they found to identify individuals who do not have an increased risk of cardiovascular disease death and total mortality. Interestingly, they also used the U.K. Biobank as their validation cohort.

“We derived a new definition of metabolic health ... that is different from those used in [the current] article. Importantly, we included a measure of body fat distribution, waist-to-hip ratio. On the other side, we investigated only mortality outcomes and we can therefore not exclude the possibility that other outcomes may still be related. [For example], a higher diabetes risk may still be present among those we have defined as having metabolically healthy obesity.”

Dr. Schulze also said that several previous studies and meta-analyses have suggested that “previous common definitions of metabolically healthy obesity do not identify a subgroup without risk, or being at risk comparable to normal-weight metabolically healthy. Thus, this study confirms this conclusion. [But] this doesn’t rule out that there are better ways of defining subgroups.”

Clinically, he said “given that we investigated only mortality, we cannot conclude that our ‘metabolically healthy obesity’ group doesn’t require intervention.”

Higher rates of diabetes, ASCVD, heart failure, death

The current population-based study included 381,363 U.K. Biobank participants who were followed up for a median 11.2 years. Overall, about 55% did not have obesity or metabolic abnormalities, 9% had metabolically healthy obesity, 20% were metabolically unhealthy but did not have obesity, and 16% had metabolically unhealthy obesity as defined by the investigators.

The investigators adjusted the data for several potential confounders, including age, sex, ethnicity, education, socioeconomic status, smoking status, physical activity, and dietary factors.

Compared with individuals without obesity or metabolic abnormalities, those with metabolically healthy obesity had significantly higher rates of incident diabetes (hazard ratio, 4.32), ASCVD (HR, 1.18), myocardial infarction (HR, 1.23), stroke (HR, 1.10), heart failure (HR, 1.76), respiratory diseases (HR, 1.28), and chronic obstructive pulmonary disease (HR, 1.19).

In general, rates of cardiovascular and respiratory outcomes were highest in metabolically unhealthy obesity, followed by those without obesity but with metabolic abnormalities and those with metabolically healthy obesity. However, for incident and fatal heart failure and incident respiratory diseases, those with metabolically healthy obesity had higher rates than did those without obesity but with metabolic abnormalities.

Compared with those without obesity or metabolic abnormalities, those with metabolically healthy obesity had significantly higher all-cause mortality rates (HR, 1.22). And, compared with those without obesity (regardless of metabolic status) at baseline, those with metabolically healthy obesity were significantly more likely to have diabetes (HR, 2.06), heart failure (HR, 1.6), and respiratory diseases (HR, 1.2), but not ASCVD. The association was also significant for all-cause and heart failure mortality (HR, 1.12 and 1.44, respectively), but not for other causes of death.
 

Progression from metabolically healthy to unhealthy is common

Among 8,512 participants for whom longitudinal data were available for a median of 4.4 years, half of those with metabolically healthy obesity remained in that category, 20% no longer had obesity, and more than a quarter transitioned to metabolically unhealthy obesity. Compared with those without obesity or metabolic abnormalities throughout, those who transitioned from metabolically healthy to metabolically unhealthy had significantly higher rates of incident ASCVD (HR, 2.46) and all-cause mortality (HR, 3.07).

But those who remained in the metabolically healthy obesity category throughout did not have significantly increased risks for the adverse outcomes measured.

Ms. Zhou and colleagues noted that the data demonstrate heterogeneity among people with obesity, which offers the potential to stratify risk based on prognosis. For example, “people with [metabolically unhealthy obesity] were at a higher risk of mortality and morbidity than everyone else, and thus they should be prioritized for intervention.”

However, they add, “Obesity is associated with a wide range of diseases, and using a single label or categorical risk algorithm is unlikely to be effective compared with prediction algorithms based on disease-specific and continuous risk markers.”

Ms. Zhou has no disclosures. One coauthor has relationships with numerous pharmaceutical companies; the rest have none. Dr. Freedhoff has served as a director, officer, partner, employee, adviser, consultant, or trustee for the Bariatric Medical Institute and Constant Health. He is a speaker or a member of a speakers bureau for Obesity Canada and Novo Nordisk, received research grant from Novo Nordisk, and received income of at least $250 from WebMD, CTV, and Random House. Dr/ Schulze has received grants from German Federal Ministry of Education and Research.

The American Association of Clinical Endocrinology (AACE) has issued its first-ever official guidelines addressing the use of advanced technologies in the management of people with diabetes.

They were presented on May 28 at the annual scientific & clinical congress of the American Association of Clinical Endocrinologists and simultaneously published in Endocrine Practice.

Previous AACE guidance on the clinical use of insulin pumps and CGM over the past decade has been published in the form of consensus or position statements rather than official evidence-based guidelines, task force cochair George Grunberger, MD, of the Grunberger Diabetes Institute, Bloomfield Hills, Mich., explained.

“There’s never really been, until now, hardcore evidence, [with] peer-reviewed, quality trials published in the literature to go after the evidence that is required for guidelines. ... This is not an opinion piece or position statement.”

The problem with that strict approach to “guidelines” is how quickly the diabetes technology field is evolving, he acknowledged. “It’s frustrating because we know what’s [coming up], but we can’t put it in a guideline because it hasn’t been published yet.”

In an AACE podcast, Dr. Grunberger said the guidelines will likely become a “living” document, along the lines of the American Diabetes Association’s annual Standards of Care, as “any cutoff date is arbitrary. More and more papers will be published on these technologies. ... This is certainly not a static field.”

In the meantime, task force cochair and author Jennifer Sherr, MD, PhD, a pediatric endocrinologist, said she hopes the guidelines will help to reduce insurance company barriers to use of the currently available technologies.

“I am very hopeful that these guidelines will also encourage payers to change their stance. And I think that we as a community can continue to advocate and inform them of these guidelines so they can appropriately change their coverage practices,” added Dr. Sherr, of Yale University, New Haven, Conn.
 

Recommendations address CGM, pumps, and connected systems

In the guidelines, CGM is “strongly recommended for all persons with diabetes treated with intensive insulin therapy, defined as three or more injections of insulin per day or the use of an insulin pump.” For those with diabetes who use CGM, “priority metrics” include a “time in range” of greater than 70% from 14 days of active use. Targets for mean glucose should be individualized, with glycemic variability 36% or lower.

Further specific CGM target metrics are given for people with type 1 diabetes, older/high risk individuals, and for pregnant women. The recommendations align with those issued in a 2019 joint consensus statement on CGM time-in-range endorsed by several organizations, including AACE.    

In response to an audience question about whether AACE is advising that time-in-range replace A1c for glycemia assessment, Dr. Sherr responded: “I think currently we’re not in a position where we can completely replace A1c with time in range. However, I’m hopeful that in future years we’ll see further data gathered ... to allow for that recommendation to occur.”

For now, she said, “What we really want to hone in on in the guidelines is that time-in-range and use of CGM truly allow clinicians to better understand how to optimize care for their persons with diabetes. It gives us a better picture. It’s not just a number of whether we’re hitting target. It tells us whether we need to attack time above range or time below range. So we really think it’s critical for clinical care.”

The document also provides specifics about real-time versus intermittently scanned CGM and use of diagnostic/professional CGM.

The “insulin delivery technologies” section covers use of connected pens, insulin pumps without CGM, insulin pumps with separate CGM, and the more advanced combined insulin pump-CGM systems including those with low-glucose suspend, predictive low-glucose suspend, and hybrid closed-loops (sometimes called the artificial pancreas).

In general, these automated insulin delivery systems (artificial pancreas), “are strongly recommended for all persons with [type 1 diabetes], since their use has been shown to increase time in range, especially in the overnight period, without causing an increased risk of hypoglycemia,” Dr. Sherr observed.
 

Other tech topics: Apps, telemedicine, and safety

The new guidelines say that “clinically validated” smartphone apps should be recommended to help teach or reinforce diabetes self-management skills and provide support and encouragement for healthy behaviors around food and exercise.

Dr. Grunberger pointed out: “As we know, there are tons of apps out there, and patients are using them. The problem is that very few of them have actually been validated in clinical trials in published peer-reviewed [journals].”

He recommended a joint statement on diabetes apps from the American Diabetes Association and the European Association for the Study of Diabetes that was initially discussed at the 2019 EASD meeting, as reported by this news organization, and subsequently published in January 2020 in Diabetes Care and Diabetologia.

“Telemedicine, including periodic phone calls, smartphone-web interactions ... by health care professionals ... is strongly recommended to treat persons with diabetes, provide diabetes education, remotely monitor glucose and/or insulin data to indicate the need for therapy adjustments, and improve diabetes-related outcomes/control with better engagement,” the document says.

Safety concerns addressed include the issue of certain medications interfering with CGM [readings] ... including acetaminophen, high-dose vitamin C, and hydroxyurea, as well as cautions about what to do in the event of device malfunction and assessing that the patient is sufficiently trained in proper device use. Criteria for insulin pump discontinuation are also given.
 

Implementation: Who will be prescribing? ‘This is not for amateurs’

A final section on implementation recommends that “initiation and use of diabetes technology should be implemented by health care professionals who are trained, committed, and experienced to prescribe and direct the use of these tools. Clinicians should have the infrastructure to support the needs of persons with diabetes using the technology.”

Dr. Grunberger commented: “I think the key is going to be who should be doing this? What is the role of a clinical endocrinologist in the future? What is our responsibility, [since] we don’t have the manpower and womanpower to take care of all these people as these technologies advance? It’s our responsibility to provide these hopefully valued recommendations as a resource for those who want to know more about it.”

However, he noted, “This is not for amateurs. If you want to actually use this in your practice, you need the infrastructure, the expertise, the training, the dedication, and the energy to be there for the patients all the time ... This clinical practice guideline is a foundation.”

Dr. Sherr added: “To me, it’s really thinking about ... changing our mindset from who is an appropriate candidate to who can benefit and how vast a group that entails ... I’m hopeful that we will see more technology use through continued conversations with our patients with diabetes, and hopefully through more clinicians being excited to be part of this revolution.”

Dr. Grunberger has reported being on speakers bureaus for Eli Lilly, Novo Nordisk, and Abbott. Dr. Sherr has reported being a consultant and speaker for Lilly and Medtronic Diabetes, a consultant for Insulet and Sanofi, and on advisory boards for Bigfoot Biomedical, Cecelia Health, Insulet, JDRF T1D fund, and Medtronic.

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

The American Association of Clinical Endocrinology (AACE) has issued its first-ever official guidelines addressing the use of advanced technologies in the management of people with diabetes.

They were presented on May 28 at the annual scientific & clinical congress of the American Association of Clinical Endocrinologists and simultaneously published in Endocrine Practice.

Previous AACE guidance on the clinical use of insulin pumps and CGM over the past decade has been published in the form of consensus or position statements rather than official evidence-based guidelines, task force cochair George Grunberger, MD, of the Grunberger Diabetes Institute, Bloomfield Hills, Mich., explained.

“There’s never really been, until now, hardcore evidence, [with] peer-reviewed, quality trials published in the literature to go after the evidence that is required for guidelines. ... This is not an opinion piece or position statement.”

The problem with that strict approach to “guidelines” is how quickly the diabetes technology field is evolving, he acknowledged. “It’s frustrating because we know what’s [coming up], but we can’t put it in a guideline because it hasn’t been published yet.”

In an AACE podcast, Dr. Grunberger said the guidelines will likely become a “living” document, along the lines of the American Diabetes Association’s annual Standards of Care, as “any cutoff date is arbitrary. More and more papers will be published on these technologies. ... This is certainly not a static field.”

In the meantime, task force cochair and author Jennifer Sherr, MD, PhD, a pediatric endocrinologist, said she hopes the guidelines will help to reduce insurance company barriers to use of the currently available technologies.

“I am very hopeful that these guidelines will also encourage payers to change their stance. And I think that we as a community can continue to advocate and inform them of these guidelines so they can appropriately change their coverage practices,” added Dr. Sherr, of Yale University, New Haven, Conn.
 

Recommendations address CGM, pumps, and connected systems

In the guidelines, CGM is “strongly recommended for all persons with diabetes treated with intensive insulin therapy, defined as three or more injections of insulin per day or the use of an insulin pump.” For those with diabetes who use CGM, “priority metrics” include a “time in range” of greater than 70% from 14 days of active use. Targets for mean glucose should be individualized, with glycemic variability 36% or lower.

Further specific CGM target metrics are given for people with type 1 diabetes, older/high risk individuals, and for pregnant women. The recommendations align with those issued in a 2019 joint consensus statement on CGM time-in-range endorsed by several organizations, including AACE.    

In response to an audience question about whether AACE is advising that time-in-range replace A1c for glycemia assessment, Dr. Sherr responded: “I think currently we’re not in a position where we can completely replace A1c with time in range. However, I’m hopeful that in future years we’ll see further data gathered ... to allow for that recommendation to occur.”

For now, she said, “What we really want to hone in on in the guidelines is that time-in-range and use of CGM truly allow clinicians to better understand how to optimize care for their persons with diabetes. It gives us a better picture. It’s not just a number of whether we’re hitting target. It tells us whether we need to attack time above range or time below range. So we really think it’s critical for clinical care.”

The document also provides specifics about real-time versus intermittently scanned CGM and use of diagnostic/professional CGM.

The “insulin delivery technologies” section covers use of connected pens, insulin pumps without CGM, insulin pumps with separate CGM, and the more advanced combined insulin pump-CGM systems including those with low-glucose suspend, predictive low-glucose suspend, and hybrid closed-loops (sometimes called the artificial pancreas).

In general, these automated insulin delivery systems (artificial pancreas), “are strongly recommended for all persons with [type 1 diabetes], since their use has been shown to increase time in range, especially in the overnight period, without causing an increased risk of hypoglycemia,” Dr. Sherr observed.
 

Other tech topics: Apps, telemedicine, and safety

The new guidelines say that “clinically validated” smartphone apps should be recommended to help teach or reinforce diabetes self-management skills and provide support and encouragement for healthy behaviors around food and exercise.

Dr. Grunberger pointed out: “As we know, there are tons of apps out there, and patients are using them. The problem is that very few of them have actually been validated in clinical trials in published peer-reviewed [journals].”

He recommended a joint statement on diabetes apps from the American Diabetes Association and the European Association for the Study of Diabetes that was initially discussed at the 2019 EASD meeting, as reported by this news organization, and subsequently published in January 2020 in Diabetes Care and Diabetologia.

“Telemedicine, including periodic phone calls, smartphone-web interactions ... by health care professionals ... is strongly recommended to treat persons with diabetes, provide diabetes education, remotely monitor glucose and/or insulin data to indicate the need for therapy adjustments, and improve diabetes-related outcomes/control with better engagement,” the document says.

Safety concerns addressed include the issue of certain medications interfering with CGM [readings] ... including acetaminophen, high-dose vitamin C, and hydroxyurea, as well as cautions about what to do in the event of device malfunction and assessing that the patient is sufficiently trained in proper device use. Criteria for insulin pump discontinuation are also given.
 

Implementation: Who will be prescribing? ‘This is not for amateurs’

A final section on implementation recommends that “initiation and use of diabetes technology should be implemented by health care professionals who are trained, committed, and experienced to prescribe and direct the use of these tools. Clinicians should have the infrastructure to support the needs of persons with diabetes using the technology.”

Dr. Grunberger commented: “I think the key is going to be who should be doing this? What is the role of a clinical endocrinologist in the future? What is our responsibility, [since] we don’t have the manpower and womanpower to take care of all these people as these technologies advance? It’s our responsibility to provide these hopefully valued recommendations as a resource for those who want to know more about it.”

However, he noted, “This is not for amateurs. If you want to actually use this in your practice, you need the infrastructure, the expertise, the training, the dedication, and the energy to be there for the patients all the time ... This clinical practice guideline is a foundation.”

Dr. Sherr added: “To me, it’s really thinking about ... changing our mindset from who is an appropriate candidate to who can benefit and how vast a group that entails ... I’m hopeful that we will see more technology use through continued conversations with our patients with diabetes, and hopefully through more clinicians being excited to be part of this revolution.”

Dr. Grunberger has reported being on speakers bureaus for Eli Lilly, Novo Nordisk, and Abbott. Dr. Sherr has reported being a consultant and speaker for Lilly and Medtronic Diabetes, a consultant for Insulet and Sanofi, and on advisory boards for Bigfoot Biomedical, Cecelia Health, Insulet, JDRF T1D fund, and Medtronic.

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

The American Association of Clinical Endocrinology (AACE) has issued its first-ever official guidelines addressing the use of advanced technologies in the management of people with diabetes.

They were presented on May 28 at the annual scientific & clinical congress of the American Association of Clinical Endocrinologists and simultaneously published in Endocrine Practice.

Previous AACE guidance on the clinical use of insulin pumps and CGM over the past decade has been published in the form of consensus or position statements rather than official evidence-based guidelines, task force cochair George Grunberger, MD, of the Grunberger Diabetes Institute, Bloomfield Hills, Mich., explained.

“There’s never really been, until now, hardcore evidence, [with] peer-reviewed, quality trials published in the literature to go after the evidence that is required for guidelines. ... This is not an opinion piece or position statement.”

The problem with that strict approach to “guidelines” is how quickly the diabetes technology field is evolving, he acknowledged. “It’s frustrating because we know what’s [coming up], but we can’t put it in a guideline because it hasn’t been published yet.”

In an AACE podcast, Dr. Grunberger said the guidelines will likely become a “living” document, along the lines of the American Diabetes Association’s annual Standards of Care, as “any cutoff date is arbitrary. More and more papers will be published on these technologies. ... This is certainly not a static field.”

In the meantime, task force cochair and author Jennifer Sherr, MD, PhD, a pediatric endocrinologist, said she hopes the guidelines will help to reduce insurance company barriers to use of the currently available technologies.

“I am very hopeful that these guidelines will also encourage payers to change their stance. And I think that we as a community can continue to advocate and inform them of these guidelines so they can appropriately change their coverage practices,” added Dr. Sherr, of Yale University, New Haven, Conn.
 

Recommendations address CGM, pumps, and connected systems

In the guidelines, CGM is “strongly recommended for all persons with diabetes treated with intensive insulin therapy, defined as three or more injections of insulin per day or the use of an insulin pump.” For those with diabetes who use CGM, “priority metrics” include a “time in range” of greater than 70% from 14 days of active use. Targets for mean glucose should be individualized, with glycemic variability 36% or lower.

Further specific CGM target metrics are given for people with type 1 diabetes, older/high risk individuals, and for pregnant women. The recommendations align with those issued in a 2019 joint consensus statement on CGM time-in-range endorsed by several organizations, including AACE.    

In response to an audience question about whether AACE is advising that time-in-range replace A1c for glycemia assessment, Dr. Sherr responded: “I think currently we’re not in a position where we can completely replace A1c with time in range. However, I’m hopeful that in future years we’ll see further data gathered ... to allow for that recommendation to occur.”

For now, she said, “What we really want to hone in on in the guidelines is that time-in-range and use of CGM truly allow clinicians to better understand how to optimize care for their persons with diabetes. It gives us a better picture. It’s not just a number of whether we’re hitting target. It tells us whether we need to attack time above range or time below range. So we really think it’s critical for clinical care.”

The document also provides specifics about real-time versus intermittently scanned CGM and use of diagnostic/professional CGM.

The “insulin delivery technologies” section covers use of connected pens, insulin pumps without CGM, insulin pumps with separate CGM, and the more advanced combined insulin pump-CGM systems including those with low-glucose suspend, predictive low-glucose suspend, and hybrid closed-loops (sometimes called the artificial pancreas).

In general, these automated insulin delivery systems (artificial pancreas), “are strongly recommended for all persons with [type 1 diabetes], since their use has been shown to increase time in range, especially in the overnight period, without causing an increased risk of hypoglycemia,” Dr. Sherr observed.
 

Other tech topics: Apps, telemedicine, and safety

The new guidelines say that “clinically validated” smartphone apps should be recommended to help teach or reinforce diabetes self-management skills and provide support and encouragement for healthy behaviors around food and exercise.

Dr. Grunberger pointed out: “As we know, there are tons of apps out there, and patients are using them. The problem is that very few of them have actually been validated in clinical trials in published peer-reviewed [journals].”

He recommended a joint statement on diabetes apps from the American Diabetes Association and the European Association for the Study of Diabetes that was initially discussed at the 2019 EASD meeting, as reported by this news organization, and subsequently published in January 2020 in Diabetes Care and Diabetologia.

“Telemedicine, including periodic phone calls, smartphone-web interactions ... by health care professionals ... is strongly recommended to treat persons with diabetes, provide diabetes education, remotely monitor glucose and/or insulin data to indicate the need for therapy adjustments, and improve diabetes-related outcomes/control with better engagement,” the document says.

Safety concerns addressed include the issue of certain medications interfering with CGM [readings] ... including acetaminophen, high-dose vitamin C, and hydroxyurea, as well as cautions about what to do in the event of device malfunction and assessing that the patient is sufficiently trained in proper device use. Criteria for insulin pump discontinuation are also given.
 

Implementation: Who will be prescribing? ‘This is not for amateurs’

A final section on implementation recommends that “initiation and use of diabetes technology should be implemented by health care professionals who are trained, committed, and experienced to prescribe and direct the use of these tools. Clinicians should have the infrastructure to support the needs of persons with diabetes using the technology.”

Dr. Grunberger commented: “I think the key is going to be who should be doing this? What is the role of a clinical endocrinologist in the future? What is our responsibility, [since] we don’t have the manpower and womanpower to take care of all these people as these technologies advance? It’s our responsibility to provide these hopefully valued recommendations as a resource for those who want to know more about it.”

However, he noted, “This is not for amateurs. If you want to actually use this in your practice, you need the infrastructure, the expertise, the training, the dedication, and the energy to be there for the patients all the time ... This clinical practice guideline is a foundation.”

Dr. Sherr added: “To me, it’s really thinking about ... changing our mindset from who is an appropriate candidate to who can benefit and how vast a group that entails ... I’m hopeful that we will see more technology use through continued conversations with our patients with diabetes, and hopefully through more clinicians being excited to be part of this revolution.”

Dr. Grunberger has reported being on speakers bureaus for Eli Lilly, Novo Nordisk, and Abbott. Dr. Sherr has reported being a consultant and speaker for Lilly and Medtronic Diabetes, a consultant for Insulet and Sanofi, and on advisory boards for Bigfoot Biomedical, Cecelia Health, Insulet, JDRF T1D fund, and Medtronic.

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

A Food and Drug Administration advisory panel has voted narrowly to recommend approval of the monoclonal antibody teplizumab (Tzield, Provention Bio) for the delay of type 1 diabetes in at-risk individuals.

The 10-7 vote of the FDA’s endocrinologic and metabolic drugs advisory committee on May 27 reflected a difficult decision-making process on the part of many members to weigh the benefits of a potential 2-year delay in the onset of type 1 diabetes against both observed and theoretical risks, as well as what most considered to be insufficient data.

Regardless of their vote, nearly all panel members advised the FDA that the company should be required to conduct at least one additional larger long-term efficacy and safety trial to satisfy what they felt were major gaps in the data. Some advised that use of the drug be restricted to a very narrow group of recipients until efficacy and safety can be better established.

If approved, teplizumab, which interferes with T cell–mediated autoimmune destruction of pancreatic beta cells, would be the first disease-modifying therapy for impeding progression of type 1 diabetes. The proposed indication is for individuals who have two or more type 1 diabetes-associated autoantibodies and subclinical dysglycemia.

That “stage 2” or “at-risk” condition is associated with a nearly 100% lifetime risk of progression to clinical (“stage 3”) type 1 diabetes and a 75% risk of developing the disease within 5 years. As of now, most such individuals are first-degree relatives of people with type 1 diabetes identified through TrialNet.
 

What’s the evidence to support approval so far?

In 2019, a pivotal phase 2 randomized, placebo-controlled TN-10 trial involving 76 at-risk children and adults ages 8 years and older showed that a single 14-day treatment of daily intravenous infusions of teplizumab in 44 patients resulted in a significant median 2-year delay to onset of clinical type 1 diabetes, compared with 32 who received placebo. Further follow-up data continue to show that fewer patients who received teplizumab have progressed to clinical type 1 diabetes.

While most advisory panelists agreed that the TN-10 study demonstrated efficacy, several also said that the sample size was insufficient and at least one additional randomized trial should be conducted to replicate the findings.

Although the FDA typically requires companies to demonstrate a drug’s effectiveness with at least two separate clinical trials, the agency allows companies to substitute other forms of data for a second randomized clinical trial, such as study results for the drug in a closely related condition, mechanistic data, or knowledge of other drugs from the same class.

In this case, Provention’s submission included as “confirmatory” evidence a meta-analysis of data from five earlier randomized trials (three placebo controlled, two open label) of a total 942 individuals with newly diagnosed type 1 diabetes (“stage 3”) who received either one or two 14-day teplizumab courses (n = 729) or placebo. These showed consistent preservation of C-peptide, a surrogate marker of beta-cell function, along with lower mean insulin use.

Several panel members expressed dissatisfaction with those confirmatory data, noting the patient population was different from those for which the company is currently seeking the indication, and that C-peptide is an inadequate endpoint for demonstrating efficacy.
 

Safety: Adverse events mostly transient, but unanswered questions

Adverse events reported in at least 10% of teplizumab recipients included lymphopenia (76.8% vs. 9.4% placebo; relative risk, 8.2), leukopenia (82.1% vs. 24.1%; RR, 3.4), and rash (44.5% vs. 9.0%; RR, 4.9).

“Most adverse events related to teplizumab were mechanism-based, predictable, transient, and manageable,” Chief Medical Officer of Provention Bio, Eleanor Ramos, MD, said.

Among other safety issues that concerned the panel, diabetic ketoacidosis (DKA) was seen in 2.3% of 773 teplizumab recipients with new-onset type 1 diabetes versus just 1% among the 245 controls, a significant, nearly sixfold increase. No DKA occurred in the TN-10 trial. No clear explanation was offered for the imbalance in the meta-analysis.

Cytokine release syndrome occurred in 0.6% of patients who received teplizumab versus no controls, and infections in 3.4% versus 2.0%, respectively.

Approximately 10% of patients were not able to complete the treatment course because of protocol-directed withdrawal criteria, which included elevations in bilirubin or liver enzymes, or drops in platelet count, neutrophils, or hemoglobin, FDA reviewer Lauren Wood Heickman, MD, noted.

There was only one malignancy, a melanoma in a patient with a preexisting lesion, but malignancy is a theoretical concern with long-term immunosuppression, Dr. Heickman said.

Despite the concerns about the data, panel members expressed unanimous appreciation for the 18 people who spoke during public comments attesting to the lifelong burdens involved in living with type 1 diabetes who urged the FDA to approve teplizumab.

Many of them noted that even a 2-year reprieve from the burden of constant attention to managing blood glucose can make a major difference in the life of a young person. The speakers included physicians, parents of children with type 1 diabetes, adults who have the condition themselves and who worry about their children getting it, and researchers in the field.
 

Panel members describe ‘struggle’ with vote decision

Panel member Michael Blaha, MD, of Johns Hopkins University, Baltimore, voted in favor of teplizumab approval. However, he said, “I was very conflicted on this one and my ‘yes’ is very qualified. In my opinion the risk-benefit is very narrow, and I would only approve this drug for the exact indication of the trial. ... Patients who don’t fit the criteria could hopefully be enrolled in a second confirmatory trial.”

He also advised an extensive Risk Evaluation and Mitigation Strategies program to look for both short- and long-term adverse effects.

“My overall take on this is that I do think it’s a promising paradigm-shifting therapy that really needs to move forward, at least scientifically. I’m excited about it, but I have a lot of skepticism about the entire body of data to make any more than the most narrow of approval,” Dr. Blaha said.  

Susan S. Ellenberg, PhD, professor of biostatistics, medical ethics, and health policy at the University of Pennsylvania, Philadelphia, voted yes but also with difficulty.

“I really struggled with it. ... I was pushed by the very encouraging results of what is admittedly a very small study and something I can’t feel is completely definitive. But I would not like to deny the kind of people that we heard from today the opportunity to weigh their own risks and benefits to try this. And I would certainly agree that a very, very rigorous postmarketing program, preferably including another controlled trial, should be carried out.”

But David M. Nathan, MD, director of the Diabetes Center and Clinical Research Center, Massachusetts General Hospital, Boston, voted no.

“I struggled with this vote, tremendously, having listened carefully to the patients with type 1 diabetes ... but that said, having done clinical research for 40 years in type 1 diabetes, I think we need more data, both in terms of efficacy and of safety. I would hate a number of years down the road to figure out that we actually caused more harm than good, especially keeping in mind that the treatment of type 1 diabetes is evolving rapidly.”

A different perspective came from Mara L. Becker, MD, vice chair of the department of pediatric rheumatology at Duke University, Durham, N.C. She voted yes, pointing out that she’s accustomed to prescribing biologics for chronic conditions in children.

“I was unconflicted in my vote, which was yes. I thought the data ... were convincing and the need is great. I would support a label for children [aged 8 years] and older with at least stage 2 disease ... and I would require postmarketing safety surveillance to understand what the long-term side effects could be, but I would still be in favor of it.”

FDA advisory panel committee members are vetted for conflicts of interest and waivers granted for participation if necessary; none were granted for this meeting.

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

A Food and Drug Administration advisory panel has voted narrowly to recommend approval of the monoclonal antibody teplizumab (Tzield, Provention Bio) for the delay of type 1 diabetes in at-risk individuals.

The 10-7 vote of the FDA’s endocrinologic and metabolic drugs advisory committee on May 27 reflected a difficult decision-making process on the part of many members to weigh the benefits of a potential 2-year delay in the onset of type 1 diabetes against both observed and theoretical risks, as well as what most considered to be insufficient data.

Regardless of their vote, nearly all panel members advised the FDA that the company should be required to conduct at least one additional larger long-term efficacy and safety trial to satisfy what they felt were major gaps in the data. Some advised that use of the drug be restricted to a very narrow group of recipients until efficacy and safety can be better established.

If approved, teplizumab, which interferes with T cell–mediated autoimmune destruction of pancreatic beta cells, would be the first disease-modifying therapy for impeding progression of type 1 diabetes. The proposed indication is for individuals who have two or more type 1 diabetes-associated autoantibodies and subclinical dysglycemia.

That “stage 2” or “at-risk” condition is associated with a nearly 100% lifetime risk of progression to clinical (“stage 3”) type 1 diabetes and a 75% risk of developing the disease within 5 years. As of now, most such individuals are first-degree relatives of people with type 1 diabetes identified through TrialNet.
 

What’s the evidence to support approval so far?

In 2019, a pivotal phase 2 randomized, placebo-controlled TN-10 trial involving 76 at-risk children and adults ages 8 years and older showed that a single 14-day treatment of daily intravenous infusions of teplizumab in 44 patients resulted in a significant median 2-year delay to onset of clinical type 1 diabetes, compared with 32 who received placebo. Further follow-up data continue to show that fewer patients who received teplizumab have progressed to clinical type 1 diabetes.

While most advisory panelists agreed that the TN-10 study demonstrated efficacy, several also said that the sample size was insufficient and at least one additional randomized trial should be conducted to replicate the findings.

Although the FDA typically requires companies to demonstrate a drug’s effectiveness with at least two separate clinical trials, the agency allows companies to substitute other forms of data for a second randomized clinical trial, such as study results for the drug in a closely related condition, mechanistic data, or knowledge of other drugs from the same class.

In this case, Provention’s submission included as “confirmatory” evidence a meta-analysis of data from five earlier randomized trials (three placebo controlled, two open label) of a total 942 individuals with newly diagnosed type 1 diabetes (“stage 3”) who received either one or two 14-day teplizumab courses (n = 729) or placebo. These showed consistent preservation of C-peptide, a surrogate marker of beta-cell function, along with lower mean insulin use.

Several panel members expressed dissatisfaction with those confirmatory data, noting the patient population was different from those for which the company is currently seeking the indication, and that C-peptide is an inadequate endpoint for demonstrating efficacy.
 

Safety: Adverse events mostly transient, but unanswered questions

Adverse events reported in at least 10% of teplizumab recipients included lymphopenia (76.8% vs. 9.4% placebo; relative risk, 8.2), leukopenia (82.1% vs. 24.1%; RR, 3.4), and rash (44.5% vs. 9.0%; RR, 4.9).

“Most adverse events related to teplizumab were mechanism-based, predictable, transient, and manageable,” Chief Medical Officer of Provention Bio, Eleanor Ramos, MD, said.

Among other safety issues that concerned the panel, diabetic ketoacidosis (DKA) was seen in 2.3% of 773 teplizumab recipients with new-onset type 1 diabetes versus just 1% among the 245 controls, a significant, nearly sixfold increase. No DKA occurred in the TN-10 trial. No clear explanation was offered for the imbalance in the meta-analysis.

Cytokine release syndrome occurred in 0.6% of patients who received teplizumab versus no controls, and infections in 3.4% versus 2.0%, respectively.

Approximately 10% of patients were not able to complete the treatment course because of protocol-directed withdrawal criteria, which included elevations in bilirubin or liver enzymes, or drops in platelet count, neutrophils, or hemoglobin, FDA reviewer Lauren Wood Heickman, MD, noted.

There was only one malignancy, a melanoma in a patient with a preexisting lesion, but malignancy is a theoretical concern with long-term immunosuppression, Dr. Heickman said.

Despite the concerns about the data, panel members expressed unanimous appreciation for the 18 people who spoke during public comments attesting to the lifelong burdens involved in living with type 1 diabetes who urged the FDA to approve teplizumab.

Many of them noted that even a 2-year reprieve from the burden of constant attention to managing blood glucose can make a major difference in the life of a young person. The speakers included physicians, parents of children with type 1 diabetes, adults who have the condition themselves and who worry about their children getting it, and researchers in the field.
 

Panel members describe ‘struggle’ with vote decision

Panel member Michael Blaha, MD, of Johns Hopkins University, Baltimore, voted in favor of teplizumab approval. However, he said, “I was very conflicted on this one and my ‘yes’ is very qualified. In my opinion the risk-benefit is very narrow, and I would only approve this drug for the exact indication of the trial. ... Patients who don’t fit the criteria could hopefully be enrolled in a second confirmatory trial.”

He also advised an extensive Risk Evaluation and Mitigation Strategies program to look for both short- and long-term adverse effects.

“My overall take on this is that I do think it’s a promising paradigm-shifting therapy that really needs to move forward, at least scientifically. I’m excited about it, but I have a lot of skepticism about the entire body of data to make any more than the most narrow of approval,” Dr. Blaha said.  

Susan S. Ellenberg, PhD, professor of biostatistics, medical ethics, and health policy at the University of Pennsylvania, Philadelphia, voted yes but also with difficulty.

“I really struggled with it. ... I was pushed by the very encouraging results of what is admittedly a very small study and something I can’t feel is completely definitive. But I would not like to deny the kind of people that we heard from today the opportunity to weigh their own risks and benefits to try this. And I would certainly agree that a very, very rigorous postmarketing program, preferably including another controlled trial, should be carried out.”

But David M. Nathan, MD, director of the Diabetes Center and Clinical Research Center, Massachusetts General Hospital, Boston, voted no.

“I struggled with this vote, tremendously, having listened carefully to the patients with type 1 diabetes ... but that said, having done clinical research for 40 years in type 1 diabetes, I think we need more data, both in terms of efficacy and of safety. I would hate a number of years down the road to figure out that we actually caused more harm than good, especially keeping in mind that the treatment of type 1 diabetes is evolving rapidly.”

A different perspective came from Mara L. Becker, MD, vice chair of the department of pediatric rheumatology at Duke University, Durham, N.C. She voted yes, pointing out that she’s accustomed to prescribing biologics for chronic conditions in children.

“I was unconflicted in my vote, which was yes. I thought the data ... were convincing and the need is great. I would support a label for children [aged 8 years] and older with at least stage 2 disease ... and I would require postmarketing safety surveillance to understand what the long-term side effects could be, but I would still be in favor of it.”

FDA advisory panel committee members are vetted for conflicts of interest and waivers granted for participation if necessary; none were granted for this meeting.

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

A Food and Drug Administration advisory panel has voted narrowly to recommend approval of the monoclonal antibody teplizumab (Tzield, Provention Bio) for the delay of type 1 diabetes in at-risk individuals.

The 10-7 vote of the FDA’s endocrinologic and metabolic drugs advisory committee on May 27 reflected a difficult decision-making process on the part of many members to weigh the benefits of a potential 2-year delay in the onset of type 1 diabetes against both observed and theoretical risks, as well as what most considered to be insufficient data.

Regardless of their vote, nearly all panel members advised the FDA that the company should be required to conduct at least one additional larger long-term efficacy and safety trial to satisfy what they felt were major gaps in the data. Some advised that use of the drug be restricted to a very narrow group of recipients until efficacy and safety can be better established.

If approved, teplizumab, which interferes with T cell–mediated autoimmune destruction of pancreatic beta cells, would be the first disease-modifying therapy for impeding progression of type 1 diabetes. The proposed indication is for individuals who have two or more type 1 diabetes-associated autoantibodies and subclinical dysglycemia.

That “stage 2” or “at-risk” condition is associated with a nearly 100% lifetime risk of progression to clinical (“stage 3”) type 1 diabetes and a 75% risk of developing the disease within 5 years. As of now, most such individuals are first-degree relatives of people with type 1 diabetes identified through TrialNet.
 

What’s the evidence to support approval so far?

In 2019, a pivotal phase 2 randomized, placebo-controlled TN-10 trial involving 76 at-risk children and adults ages 8 years and older showed that a single 14-day treatment of daily intravenous infusions of teplizumab in 44 patients resulted in a significant median 2-year delay to onset of clinical type 1 diabetes, compared with 32 who received placebo. Further follow-up data continue to show that fewer patients who received teplizumab have progressed to clinical type 1 diabetes.

While most advisory panelists agreed that the TN-10 study demonstrated efficacy, several also said that the sample size was insufficient and at least one additional randomized trial should be conducted to replicate the findings.

Although the FDA typically requires companies to demonstrate a drug’s effectiveness with at least two separate clinical trials, the agency allows companies to substitute other forms of data for a second randomized clinical trial, such as study results for the drug in a closely related condition, mechanistic data, or knowledge of other drugs from the same class.

In this case, Provention’s submission included as “confirmatory” evidence a meta-analysis of data from five earlier randomized trials (three placebo controlled, two open label) of a total 942 individuals with newly diagnosed type 1 diabetes (“stage 3”) who received either one or two 14-day teplizumab courses (n = 729) or placebo. These showed consistent preservation of C-peptide, a surrogate marker of beta-cell function, along with lower mean insulin use.

Several panel members expressed dissatisfaction with those confirmatory data, noting the patient population was different from those for which the company is currently seeking the indication, and that C-peptide is an inadequate endpoint for demonstrating efficacy.
 

Safety: Adverse events mostly transient, but unanswered questions

Adverse events reported in at least 10% of teplizumab recipients included lymphopenia (76.8% vs. 9.4% placebo; relative risk, 8.2), leukopenia (82.1% vs. 24.1%; RR, 3.4), and rash (44.5% vs. 9.0%; RR, 4.9).

“Most adverse events related to teplizumab were mechanism-based, predictable, transient, and manageable,” Chief Medical Officer of Provention Bio, Eleanor Ramos, MD, said.

Among other safety issues that concerned the panel, diabetic ketoacidosis (DKA) was seen in 2.3% of 773 teplizumab recipients with new-onset type 1 diabetes versus just 1% among the 245 controls, a significant, nearly sixfold increase. No DKA occurred in the TN-10 trial. No clear explanation was offered for the imbalance in the meta-analysis.

Cytokine release syndrome occurred in 0.6% of patients who received teplizumab versus no controls, and infections in 3.4% versus 2.0%, respectively.

Approximately 10% of patients were not able to complete the treatment course because of protocol-directed withdrawal criteria, which included elevations in bilirubin or liver enzymes, or drops in platelet count, neutrophils, or hemoglobin, FDA reviewer Lauren Wood Heickman, MD, noted.

There was only one malignancy, a melanoma in a patient with a preexisting lesion, but malignancy is a theoretical concern with long-term immunosuppression, Dr. Heickman said.

Despite the concerns about the data, panel members expressed unanimous appreciation for the 18 people who spoke during public comments attesting to the lifelong burdens involved in living with type 1 diabetes who urged the FDA to approve teplizumab.

Many of them noted that even a 2-year reprieve from the burden of constant attention to managing blood glucose can make a major difference in the life of a young person. The speakers included physicians, parents of children with type 1 diabetes, adults who have the condition themselves and who worry about their children getting it, and researchers in the field.
 

Panel members describe ‘struggle’ with vote decision

Panel member Michael Blaha, MD, of Johns Hopkins University, Baltimore, voted in favor of teplizumab approval. However, he said, “I was very conflicted on this one and my ‘yes’ is very qualified. In my opinion the risk-benefit is very narrow, and I would only approve this drug for the exact indication of the trial. ... Patients who don’t fit the criteria could hopefully be enrolled in a second confirmatory trial.”

He also advised an extensive Risk Evaluation and Mitigation Strategies program to look for both short- and long-term adverse effects.

“My overall take on this is that I do think it’s a promising paradigm-shifting therapy that really needs to move forward, at least scientifically. I’m excited about it, but I have a lot of skepticism about the entire body of data to make any more than the most narrow of approval,” Dr. Blaha said.  

Susan S. Ellenberg, PhD, professor of biostatistics, medical ethics, and health policy at the University of Pennsylvania, Philadelphia, voted yes but also with difficulty.

“I really struggled with it. ... I was pushed by the very encouraging results of what is admittedly a very small study and something I can’t feel is completely definitive. But I would not like to deny the kind of people that we heard from today the opportunity to weigh their own risks and benefits to try this. And I would certainly agree that a very, very rigorous postmarketing program, preferably including another controlled trial, should be carried out.”

But David M. Nathan, MD, director of the Diabetes Center and Clinical Research Center, Massachusetts General Hospital, Boston, voted no.

“I struggled with this vote, tremendously, having listened carefully to the patients with type 1 diabetes ... but that said, having done clinical research for 40 years in type 1 diabetes, I think we need more data, both in terms of efficacy and of safety. I would hate a number of years down the road to figure out that we actually caused more harm than good, especially keeping in mind that the treatment of type 1 diabetes is evolving rapidly.”

A different perspective came from Mara L. Becker, MD, vice chair of the department of pediatric rheumatology at Duke University, Durham, N.C. She voted yes, pointing out that she’s accustomed to prescribing biologics for chronic conditions in children.

“I was unconflicted in my vote, which was yes. I thought the data ... were convincing and the need is great. I would support a label for children [aged 8 years] and older with at least stage 2 disease ... and I would require postmarketing safety surveillance to understand what the long-term side effects could be, but I would still be in favor of it.”

FDA advisory panel committee members are vetted for conflicts of interest and waivers granted for participation if necessary; none were granted for this meeting.

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

Overuse of basal insulin rather than adding therapies that target mealtime glucose levels is a common problem in primary care management of type 2 diabetes that impedes achievement of optimal glycemic control, new research suggests.

Such ‘overbasalization,’ defined as a hemoglobin A1c of greater than 8% despite use of more than 0.5 units/kg per day of basal insulin, was identified in about 40% of patients seen in a Florida primary care clinic during 2015-2018. The findings were published in the April 2021 issue of Clinical Diabetes by Kevin Cowart, PharmD, a diabetes care and education specialist at the University of South Florida, Tampa, and colleagues.

The literature suggests that once people with type 2 diabetes start basal insulin, the chance that they’ll achieve a given hemoglobin A1c target, i.e., less than 7%, diminishes significantly if that goal isn’t achieved within the first year of starting insulin, Dr. Cowart said in an interview.

“Our analysis suggests that overbasalization plays a role in patients with type 2 diabetes on basal insulin not achieving optimal glycemic control. Basal insulin is not designed to address postprandial hyperglycemia. I think there’s a clear need to address hesitancy in therapeutic progression beyond basal insulin. A lot of factors underlie the delays, with therapeutic inertia being one of them. It’s complex,” he said.
 

Overbasalization seen in large proportion of patients

The study comprised 655 adults diagnosed with type 2 diabetes for at least a year who received a prescription for a basal insulin (glargine U-100, glargine U-300, detemir, degludec U-100, degludec U-200, regular U-500, or NPH insulin).

The patients had a mean hemoglobin A1c of 8.4% and a mean basal insulin dose 0.4 units/kg per day. The prevalence of overbasalization was 38.1% for those with hemoglobin A1c above 8%, 42.7% for those with A1c of 9% or above, and 42% with A1c of 10% or greater.

Patient characteristics independently associated with overbasalization were age 35-54 years (odds ratio 1.89), age 65-80 years (0.44), A1c 9% or greater (13.97), and A1c 10% or greater (6.04). Having a prescription for insulin glargine U-100 was associated with a lower overbasalization risk (0.62). In multivariate analysis, only an A1c of 9% or greater remained significant.

Rozalina G. McCoy, MD, an endocrinologist and primary care clinician at the Mayo Clinic, Rochester, Minn., said in an interview that she sees [overbasalization] frequently in patients who are referred to her. “It’s kind of that wall that patients with type 2 diabetes hit because their A1c is high but their fasting blood sugars are normal. Sometimes it’s assumed that there’s a discrepancy, because people don’t always think about postprandial hyperglycemia.”

She also noted that there has been a push in recent years to simplify regimens, particularly in older patients.

“We really want to avoid rapid-acting insulin in older patients because we’re afraid of hypoglycemia, so we start them on basal and keep the noninsulins like metformin and sulfonylureas around. Initially those control the postprandial blood sugar but over time they’re no longer enough.”
 

Options exist for addressing postmeal blood sugar highs while minimizing lows

While in the past adding premeal insulin was the only option, today there are alternatives for addressing postmeal hyperglycemia, at least in the short term.

Dr. Cowart advised that the first step is to have patients self-monitor their blood glucose and titrate their basal insulin to address fasting hyperglycemia first. Once that appropriate dose is reached, if the patient’s hemoglobin A1c is still above target, the next step is to evaluate the need for postmeal control.

For patients who are at high cardiovascular risk, the next step might involve adding a sodium-glucose cotransporter 2 inhibitor (SGLT2i) or a glucagon-like peptide 1 receptor agonist (GLP-1RA) instead of premeal insulin. But for patients in whom overbasalization is the main concern, a GLP-1RA might be the better choice since it will have a greater impact on postprandial glucose levels, while an SGLT2i will have more effect on fasting blood sugar, he said.

Another option is to use a fixed-dose combination of basal insulin and a glucagon-like peptide 1 receptor agonist (GLP-1RA), provided there aren’t cost or formulary barriers. “We want to use the right combination of drugs and not use too much of one to lead to hypoglycemia,” Dr. Cowart said.

Dr. McCoy doesn’t use fixed-dose combinations because they don’t allow as much flexibility in dosing. To correct overbasalization, she also recommends adding either a GLP-1RA or SGLT2i instead of premeal insulin. However, she cautions, “you still have to monitor those patients because after a few years it still won’t be enough and you’ll have to add mealtime insulin.”

If cost or lack of coverage prevents a patient’s use of SLGT2i/GLP-1RAs, Dr. McCoy said that adding just one premeal injection of rapid-acting insulin before the largest meal of the day is one option. Another is to use twice-daily NPH insulin instead of analog basal insulin, since that does offer some postprandial coverage.

Dr. Cowart said his approach in cost barrier situations is to try to use patient assistance programs and to look into the patient’s formulary to see if there is step therapy or tier considerations, and maybe have a discussion with the insurance company. “We often have to navigate that, and it does take a significant amount of time and could potentially delay patients getting the right therapy when it’s warranted. That is an area where there is a particular role for pharmacists in helping to overcome that and get patients on the right drugs,” he explained.
 

Problem may be even more common; testing is key

Dr. McCoy said that the A1c cutoff of 8% used to define overbasalization in the study probably resulted in an underestimation of the problem, since many patients are experiencing nighttime hypoglycemia from the basal insulin. The lows bring down their A1c level, but they’re still experiencing postmeal highs.

“I think they’re missing a lot of people, to be honest. I see a lot of patients with A1cs that aren’t that bad, say 7.5%, and their fasting blood sugars are okay, but if you were to put a [continuous glucose monitor] on those patients, invariably there’s hypoglycemia at night that no one knew about.”

Of course, for insurance reasons, most people with type 2 diabetes don’t currently have access to continuous glucose monitors. And often those who are not taking multiple daily injections are limited to one fingerstick test strip a day.

Dr. McCoy says that if hypoglycemia is a concern she will write a prior authorization justifying more test strips.

“I state explicitly in my notes why I recommend frequent monitoring. If they’re on a sulfonylurea, they should be able to check more frequently because they can have hypoglycemia. Same thing with basal insulin.”

Dr. McCoy advises that patients test their blood sugar 2 hours after the largest meal on one day, and at other times on different days. “Blood glucose after a meal shouldn’t be more than 200 [mg/dL]. If it is, that’s not a failure of basal insulin. It’s doing its job. You just need a different agent.”

Dr. Cowart has no disclosures. Dr. McCoy receives funding from the National Institutes of Health.

Overuse of basal insulin rather than adding therapies that target mealtime glucose levels is a common problem in primary care management of type 2 diabetes that impedes achievement of optimal glycemic control, new research suggests.

Such ‘overbasalization,’ defined as a hemoglobin A1c of greater than 8% despite use of more than 0.5 units/kg per day of basal insulin, was identified in about 40% of patients seen in a Florida primary care clinic during 2015-2018. The findings were published in the April 2021 issue of Clinical Diabetes by Kevin Cowart, PharmD, a diabetes care and education specialist at the University of South Florida, Tampa, and colleagues.

The literature suggests that once people with type 2 diabetes start basal insulin, the chance that they’ll achieve a given hemoglobin A1c target, i.e., less than 7%, diminishes significantly if that goal isn’t achieved within the first year of starting insulin, Dr. Cowart said in an interview.

“Our analysis suggests that overbasalization plays a role in patients with type 2 diabetes on basal insulin not achieving optimal glycemic control. Basal insulin is not designed to address postprandial hyperglycemia. I think there’s a clear need to address hesitancy in therapeutic progression beyond basal insulin. A lot of factors underlie the delays, with therapeutic inertia being one of them. It’s complex,” he said.
 

Overbasalization seen in large proportion of patients

The study comprised 655 adults diagnosed with type 2 diabetes for at least a year who received a prescription for a basal insulin (glargine U-100, glargine U-300, detemir, degludec U-100, degludec U-200, regular U-500, or NPH insulin).

The patients had a mean hemoglobin A1c of 8.4% and a mean basal insulin dose 0.4 units/kg per day. The prevalence of overbasalization was 38.1% for those with hemoglobin A1c above 8%, 42.7% for those with A1c of 9% or above, and 42% with A1c of 10% or greater.

Patient characteristics independently associated with overbasalization were age 35-54 years (odds ratio 1.89), age 65-80 years (0.44), A1c 9% or greater (13.97), and A1c 10% or greater (6.04). Having a prescription for insulin glargine U-100 was associated with a lower overbasalization risk (0.62). In multivariate analysis, only an A1c of 9% or greater remained significant.

Rozalina G. McCoy, MD, an endocrinologist and primary care clinician at the Mayo Clinic, Rochester, Minn., said in an interview that she sees [overbasalization] frequently in patients who are referred to her. “It’s kind of that wall that patients with type 2 diabetes hit because their A1c is high but their fasting blood sugars are normal. Sometimes it’s assumed that there’s a discrepancy, because people don’t always think about postprandial hyperglycemia.”

She also noted that there has been a push in recent years to simplify regimens, particularly in older patients.

“We really want to avoid rapid-acting insulin in older patients because we’re afraid of hypoglycemia, so we start them on basal and keep the noninsulins like metformin and sulfonylureas around. Initially those control the postprandial blood sugar but over time they’re no longer enough.”
 

Options exist for addressing postmeal blood sugar highs while minimizing lows

While in the past adding premeal insulin was the only option, today there are alternatives for addressing postmeal hyperglycemia, at least in the short term.

Dr. Cowart advised that the first step is to have patients self-monitor their blood glucose and titrate their basal insulin to address fasting hyperglycemia first. Once that appropriate dose is reached, if the patient’s hemoglobin A1c is still above target, the next step is to evaluate the need for postmeal control.

For patients who are at high cardiovascular risk, the next step might involve adding a sodium-glucose cotransporter 2 inhibitor (SGLT2i) or a glucagon-like peptide 1 receptor agonist (GLP-1RA) instead of premeal insulin. But for patients in whom overbasalization is the main concern, a GLP-1RA might be the better choice since it will have a greater impact on postprandial glucose levels, while an SGLT2i will have more effect on fasting blood sugar, he said.

Another option is to use a fixed-dose combination of basal insulin and a glucagon-like peptide 1 receptor agonist (GLP-1RA), provided there aren’t cost or formulary barriers. “We want to use the right combination of drugs and not use too much of one to lead to hypoglycemia,” Dr. Cowart said.

Dr. McCoy doesn’t use fixed-dose combinations because they don’t allow as much flexibility in dosing. To correct overbasalization, she also recommends adding either a GLP-1RA or SGLT2i instead of premeal insulin. However, she cautions, “you still have to monitor those patients because after a few years it still won’t be enough and you’ll have to add mealtime insulin.”

If cost or lack of coverage prevents a patient’s use of SLGT2i/GLP-1RAs, Dr. McCoy said that adding just one premeal injection of rapid-acting insulin before the largest meal of the day is one option. Another is to use twice-daily NPH insulin instead of analog basal insulin, since that does offer some postprandial coverage.

Dr. Cowart said his approach in cost barrier situations is to try to use patient assistance programs and to look into the patient’s formulary to see if there is step therapy or tier considerations, and maybe have a discussion with the insurance company. “We often have to navigate that, and it does take a significant amount of time and could potentially delay patients getting the right therapy when it’s warranted. That is an area where there is a particular role for pharmacists in helping to overcome that and get patients on the right drugs,” he explained.
 

Problem may be even more common; testing is key

Dr. McCoy said that the A1c cutoff of 8% used to define overbasalization in the study probably resulted in an underestimation of the problem, since many patients are experiencing nighttime hypoglycemia from the basal insulin. The lows bring down their A1c level, but they’re still experiencing postmeal highs.

“I think they’re missing a lot of people, to be honest. I see a lot of patients with A1cs that aren’t that bad, say 7.5%, and their fasting blood sugars are okay, but if you were to put a [continuous glucose monitor] on those patients, invariably there’s hypoglycemia at night that no one knew about.”

Of course, for insurance reasons, most people with type 2 diabetes don’t currently have access to continuous glucose monitors. And often those who are not taking multiple daily injections are limited to one fingerstick test strip a day.

Dr. McCoy says that if hypoglycemia is a concern she will write a prior authorization justifying more test strips.

“I state explicitly in my notes why I recommend frequent monitoring. If they’re on a sulfonylurea, they should be able to check more frequently because they can have hypoglycemia. Same thing with basal insulin.”

Dr. McCoy advises that patients test their blood sugar 2 hours after the largest meal on one day, and at other times on different days. “Blood glucose after a meal shouldn’t be more than 200 [mg/dL]. If it is, that’s not a failure of basal insulin. It’s doing its job. You just need a different agent.”

Dr. Cowart has no disclosures. Dr. McCoy receives funding from the National Institutes of Health.

Overuse of basal insulin rather than adding therapies that target mealtime glucose levels is a common problem in primary care management of type 2 diabetes that impedes achievement of optimal glycemic control, new research suggests.

Such ‘overbasalization,’ defined as a hemoglobin A1c of greater than 8% despite use of more than 0.5 units/kg per day of basal insulin, was identified in about 40% of patients seen in a Florida primary care clinic during 2015-2018. The findings were published in the April 2021 issue of Clinical Diabetes by Kevin Cowart, PharmD, a diabetes care and education specialist at the University of South Florida, Tampa, and colleagues.

The literature suggests that once people with type 2 diabetes start basal insulin, the chance that they’ll achieve a given hemoglobin A1c target, i.e., less than 7%, diminishes significantly if that goal isn’t achieved within the first year of starting insulin, Dr. Cowart said in an interview.

“Our analysis suggests that overbasalization plays a role in patients with type 2 diabetes on basal insulin not achieving optimal glycemic control. Basal insulin is not designed to address postprandial hyperglycemia. I think there’s a clear need to address hesitancy in therapeutic progression beyond basal insulin. A lot of factors underlie the delays, with therapeutic inertia being one of them. It’s complex,” he said.
 

Overbasalization seen in large proportion of patients

The study comprised 655 adults diagnosed with type 2 diabetes for at least a year who received a prescription for a basal insulin (glargine U-100, glargine U-300, detemir, degludec U-100, degludec U-200, regular U-500, or NPH insulin).

The patients had a mean hemoglobin A1c of 8.4% and a mean basal insulin dose 0.4 units/kg per day. The prevalence of overbasalization was 38.1% for those with hemoglobin A1c above 8%, 42.7% for those with A1c of 9% or above, and 42% with A1c of 10% or greater.

Patient characteristics independently associated with overbasalization were age 35-54 years (odds ratio 1.89), age 65-80 years (0.44), A1c 9% or greater (13.97), and A1c 10% or greater (6.04). Having a prescription for insulin glargine U-100 was associated with a lower overbasalization risk (0.62). In multivariate analysis, only an A1c of 9% or greater remained significant.

Rozalina G. McCoy, MD, an endocrinologist and primary care clinician at the Mayo Clinic, Rochester, Minn., said in an interview that she sees [overbasalization] frequently in patients who are referred to her. “It’s kind of that wall that patients with type 2 diabetes hit because their A1c is high but their fasting blood sugars are normal. Sometimes it’s assumed that there’s a discrepancy, because people don’t always think about postprandial hyperglycemia.”

She also noted that there has been a push in recent years to simplify regimens, particularly in older patients.

“We really want to avoid rapid-acting insulin in older patients because we’re afraid of hypoglycemia, so we start them on basal and keep the noninsulins like metformin and sulfonylureas around. Initially those control the postprandial blood sugar but over time they’re no longer enough.”
 

Options exist for addressing postmeal blood sugar highs while minimizing lows

While in the past adding premeal insulin was the only option, today there are alternatives for addressing postmeal hyperglycemia, at least in the short term.

Dr. Cowart advised that the first step is to have patients self-monitor their blood glucose and titrate their basal insulin to address fasting hyperglycemia first. Once that appropriate dose is reached, if the patient’s hemoglobin A1c is still above target, the next step is to evaluate the need for postmeal control.

For patients who are at high cardiovascular risk, the next step might involve adding a sodium-glucose cotransporter 2 inhibitor (SGLT2i) or a glucagon-like peptide 1 receptor agonist (GLP-1RA) instead of premeal insulin. But for patients in whom overbasalization is the main concern, a GLP-1RA might be the better choice since it will have a greater impact on postprandial glucose levels, while an SGLT2i will have more effect on fasting blood sugar, he said.

Another option is to use a fixed-dose combination of basal insulin and a glucagon-like peptide 1 receptor agonist (GLP-1RA), provided there aren’t cost or formulary barriers. “We want to use the right combination of drugs and not use too much of one to lead to hypoglycemia,” Dr. Cowart said.

Dr. McCoy doesn’t use fixed-dose combinations because they don’t allow as much flexibility in dosing. To correct overbasalization, she also recommends adding either a GLP-1RA or SGLT2i instead of premeal insulin. However, she cautions, “you still have to monitor those patients because after a few years it still won’t be enough and you’ll have to add mealtime insulin.”

If cost or lack of coverage prevents a patient’s use of SLGT2i/GLP-1RAs, Dr. McCoy said that adding just one premeal injection of rapid-acting insulin before the largest meal of the day is one option. Another is to use twice-daily NPH insulin instead of analog basal insulin, since that does offer some postprandial coverage.

Dr. Cowart said his approach in cost barrier situations is to try to use patient assistance programs and to look into the patient’s formulary to see if there is step therapy or tier considerations, and maybe have a discussion with the insurance company. “We often have to navigate that, and it does take a significant amount of time and could potentially delay patients getting the right therapy when it’s warranted. That is an area where there is a particular role for pharmacists in helping to overcome that and get patients on the right drugs,” he explained.
 

Problem may be even more common; testing is key

Dr. McCoy said that the A1c cutoff of 8% used to define overbasalization in the study probably resulted in an underestimation of the problem, since many patients are experiencing nighttime hypoglycemia from the basal insulin. The lows bring down their A1c level, but they’re still experiencing postmeal highs.

“I think they’re missing a lot of people, to be honest. I see a lot of patients with A1cs that aren’t that bad, say 7.5%, and their fasting blood sugars are okay, but if you were to put a [continuous glucose monitor] on those patients, invariably there’s hypoglycemia at night that no one knew about.”

Of course, for insurance reasons, most people with type 2 diabetes don’t currently have access to continuous glucose monitors. And often those who are not taking multiple daily injections are limited to one fingerstick test strip a day.

Dr. McCoy says that if hypoglycemia is a concern she will write a prior authorization justifying more test strips.

“I state explicitly in my notes why I recommend frequent monitoring. If they’re on a sulfonylurea, they should be able to check more frequently because they can have hypoglycemia. Same thing with basal insulin.”

Dr. McCoy advises that patients test their blood sugar 2 hours after the largest meal on one day, and at other times on different days. “Blood glucose after a meal shouldn’t be more than 200 [mg/dL]. If it is, that’s not a failure of basal insulin. It’s doing its job. You just need a different agent.”

Dr. Cowart has no disclosures. Dr. McCoy receives funding from the National Institutes of Health.

Mortality is two to three times higher in patients with adrenal incidentalomas who have autonomous cortisol secretion levels of 83 nmol/L (3 µg/dL) or more after a 1 mg dexamethasone suppression test (DST), compared with those with levels below this, new research finds.

Autonomous cortisol secretion (ACS) has been linked to hypertension, cardiovascular disease, type 2 diabetes, and early mortality, and risks vary by cortisol level.

“To adequately decide whether treatment should be surgery or medical management of possible complications, it is essential to know the risk associated with the actual level of ACS,” write Albin Kjellbom, MD, of Skåne University Hospital, Lund, Sweden, and colleagues, in their article published May 25 in Annals of Internal Medicine.

Asked to comment, Salila Kurra, MD, of the Columbia adrenal center, Columbia University, New York, told this news organization that “this idea that mild cortisol excess that doesn’t meet the threshold for overt Cushing’s can, in and of itself, cause increased morbidity and mortality is something people have been thinking about for many years now.”

“But there isn’t very clear guidance on exactly what to do in that situation, whether the incidentaloma should be removed, medically managed, or the patient should just be watched ... It may be clinically significant, but the way to sort that out is to do other testing.”   
 

Most deaths were from cardiovascular disease or cancer

Adrenal lesions are found incidentally in approximately 2% to 7% of the adult population who undergo abdominal imaging, and up to a third of those have ACS in the absence of clinical signs of Cushing syndrome.

European guidelines state that a plasma cortisol level of 138 nmol/L (5 µg/dL) or greater following DST defines ACS, and a level less than 50 nmol/L (1.8 µg/dL) rules it out, while values 50-137 (1.8-5 µg/dL) are deemed “possible” ACS.

For their study, the authors retrospectively analyzed 1,048 consecutive patients with adrenal incidentalomas seen at two Swedish hospitals between 2005 and September 2015 who were followed for up to 14 years.

The patients were a median age of 64.9 years, and 58.5% were women.

At baseline, 45.1% had a cortisol level of 50 nmol/L (1.8 µg/dL) or higher following DST, 52.9% had hypertension, 18.7% had diabetes, and 20.6% had a medical history of one or more cardiovascular events. A total of 54 patients underwent adrenalectomy, eight of them more than 2 years after the DST.

Researchers found a linear increase in mortality risk with increasing cortisol values up to 200 nmol/L (7.25 µg/dL) following DST.

Over 14 years, 16.2% (170 patients) died. Compared with cortisol less than 50 nmol/L (1.8 µg/dL) following DST, adjusted hazard ratios for mortality were 2.30 and 3.04 for cortisol levels 83 to 137 nmol/L (3-5 µg/dL) and 138 nmol/L (5 µg/dL) or greater, respectively, and both were significant.

Among the patients who died, causes of death were cardiovascular disease in 38%, cancer in 30%, infection in 4%, and other diseases in 28%.

Patients with post-DST cortisol levels of 83 nmol/L (3 µg/dL) or higher had increased cardiovascular mortality, while those with levels of 50-82 nmol/L (1.8-3.0 µg/dL) did not. In contrast, mortality rates from cancer, infection, and other diseases didn’t vary across groups.
 

Implications: Further testing, prospective studies needed

“The increase in mortality associated with cortisol DST values of 83 nmol/L or higher has implications,” the authors say.

“We suggest [medical] treatment of known cardiovascular risk factors in these patients and incorporation of our results in the decision about which patients to recommend for adrenalectomy.”

In contrast, ACS with lower cortisol (<83 nmol/L or 3 µg/dL) following DST “is not associated with clinically relevant increased mortality within 5 to 10 years,” they observe.

Dr. Kurra said she would perform further testing for any patient with an adrenal incidentaloma and a cortisol level 50-137 nmol/L (1.8-5 µg/dL) following DST: Specifically, a dehydroepiandrosterone sulfate (DHEAS) test.

“If DHEAS is low and the patient has metabolic complications, then I will work them up more, with adrenocorticotropin (ACTH) and 24-hour urine and go down that path of looking for the extent of overproduction of cortisol.”

She recommended an algorithm published in 2017 of an age- and sex-adjusted DHEAS ratio that provides a sensitive and specific screening test for subclinical hypercortisolism in patients with adrenal incidentalomas.

In further analyses by Dr. Kjellbom and colleagues into incidentaloma size, bilateralism, basal ACTH less than 2.0 pmol/L, or DHEAS less than 1.04 mmol/L, only DHEAS significantly predicted mortality.

“This should be studied further, specific to sex, age, and [post-DST]-cortisol strata,” Dr. Kjellbom and colleagues say.

In conclusion, Dr. Kurra said the new data “confirm something that people have postulated. But because it’s a retrospective review, we need prospective studies. It is an interesting finding that needs further study before we can change clinical practice.”

The study was funded by unrestricted grants from the Lisa and Johan Grönberg Foundation and the Gyllenstiernska Krapperup Foundation. Dr. Kjellbom and Dr. Kurra have reported no relevant financial relationships.

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

Mortality is two to three times higher in patients with adrenal incidentalomas who have autonomous cortisol secretion levels of 83 nmol/L (3 µg/dL) or more after a 1 mg dexamethasone suppression test (DST), compared with those with levels below this, new research finds.

Autonomous cortisol secretion (ACS) has been linked to hypertension, cardiovascular disease, type 2 diabetes, and early mortality, and risks vary by cortisol level.

“To adequately decide whether treatment should be surgery or medical management of possible complications, it is essential to know the risk associated with the actual level of ACS,” write Albin Kjellbom, MD, of Skåne University Hospital, Lund, Sweden, and colleagues, in their article published May 25 in Annals of Internal Medicine.

Asked to comment, Salila Kurra, MD, of the Columbia adrenal center, Columbia University, New York, told this news organization that “this idea that mild cortisol excess that doesn’t meet the threshold for overt Cushing’s can, in and of itself, cause increased morbidity and mortality is something people have been thinking about for many years now.”

“But there isn’t very clear guidance on exactly what to do in that situation, whether the incidentaloma should be removed, medically managed, or the patient should just be watched ... It may be clinically significant, but the way to sort that out is to do other testing.”   
 

Most deaths were from cardiovascular disease or cancer

Adrenal lesions are found incidentally in approximately 2% to 7% of the adult population who undergo abdominal imaging, and up to a third of those have ACS in the absence of clinical signs of Cushing syndrome.

European guidelines state that a plasma cortisol level of 138 nmol/L (5 µg/dL) or greater following DST defines ACS, and a level less than 50 nmol/L (1.8 µg/dL) rules it out, while values 50-137 (1.8-5 µg/dL) are deemed “possible” ACS.

For their study, the authors retrospectively analyzed 1,048 consecutive patients with adrenal incidentalomas seen at two Swedish hospitals between 2005 and September 2015 who were followed for up to 14 years.

The patients were a median age of 64.9 years, and 58.5% were women.

At baseline, 45.1% had a cortisol level of 50 nmol/L (1.8 µg/dL) or higher following DST, 52.9% had hypertension, 18.7% had diabetes, and 20.6% had a medical history of one or more cardiovascular events. A total of 54 patients underwent adrenalectomy, eight of them more than 2 years after the DST.

Researchers found a linear increase in mortality risk with increasing cortisol values up to 200 nmol/L (7.25 µg/dL) following DST.

Over 14 years, 16.2% (170 patients) died. Compared with cortisol less than 50 nmol/L (1.8 µg/dL) following DST, adjusted hazard ratios for mortality were 2.30 and 3.04 for cortisol levels 83 to 137 nmol/L (3-5 µg/dL) and 138 nmol/L (5 µg/dL) or greater, respectively, and both were significant.

Among the patients who died, causes of death were cardiovascular disease in 38%, cancer in 30%, infection in 4%, and other diseases in 28%.

Patients with post-DST cortisol levels of 83 nmol/L (3 µg/dL) or higher had increased cardiovascular mortality, while those with levels of 50-82 nmol/L (1.8-3.0 µg/dL) did not. In contrast, mortality rates from cancer, infection, and other diseases didn’t vary across groups.
 

Implications: Further testing, prospective studies needed

“The increase in mortality associated with cortisol DST values of 83 nmol/L or higher has implications,” the authors say.

“We suggest [medical] treatment of known cardiovascular risk factors in these patients and incorporation of our results in the decision about which patients to recommend for adrenalectomy.”

In contrast, ACS with lower cortisol (<83 nmol/L or 3 µg/dL) following DST “is not associated with clinically relevant increased mortality within 5 to 10 years,” they observe.

Dr. Kurra said she would perform further testing for any patient with an adrenal incidentaloma and a cortisol level 50-137 nmol/L (1.8-5 µg/dL) following DST: Specifically, a dehydroepiandrosterone sulfate (DHEAS) test.

“If DHEAS is low and the patient has metabolic complications, then I will work them up more, with adrenocorticotropin (ACTH) and 24-hour urine and go down that path of looking for the extent of overproduction of cortisol.”

She recommended an algorithm published in 2017 of an age- and sex-adjusted DHEAS ratio that provides a sensitive and specific screening test for subclinical hypercortisolism in patients with adrenal incidentalomas.

In further analyses by Dr. Kjellbom and colleagues into incidentaloma size, bilateralism, basal ACTH less than 2.0 pmol/L, or DHEAS less than 1.04 mmol/L, only DHEAS significantly predicted mortality.

“This should be studied further, specific to sex, age, and [post-DST]-cortisol strata,” Dr. Kjellbom and colleagues say.

In conclusion, Dr. Kurra said the new data “confirm something that people have postulated. But because it’s a retrospective review, we need prospective studies. It is an interesting finding that needs further study before we can change clinical practice.”

The study was funded by unrestricted grants from the Lisa and Johan Grönberg Foundation and the Gyllenstiernska Krapperup Foundation. Dr. Kjellbom and Dr. Kurra have reported no relevant financial relationships.

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

Mortality is two to three times higher in patients with adrenal incidentalomas who have autonomous cortisol secretion levels of 83 nmol/L (3 µg/dL) or more after a 1 mg dexamethasone suppression test (DST), compared with those with levels below this, new research finds.

Autonomous cortisol secretion (ACS) has been linked to hypertension, cardiovascular disease, type 2 diabetes, and early mortality, and risks vary by cortisol level.

“To adequately decide whether treatment should be surgery or medical management of possible complications, it is essential to know the risk associated with the actual level of ACS,” write Albin Kjellbom, MD, of Skåne University Hospital, Lund, Sweden, and colleagues, in their article published May 25 in Annals of Internal Medicine.

Asked to comment, Salila Kurra, MD, of the Columbia adrenal center, Columbia University, New York, told this news organization that “this idea that mild cortisol excess that doesn’t meet the threshold for overt Cushing’s can, in and of itself, cause increased morbidity and mortality is something people have been thinking about for many years now.”

“But there isn’t very clear guidance on exactly what to do in that situation, whether the incidentaloma should be removed, medically managed, or the patient should just be watched ... It may be clinically significant, but the way to sort that out is to do other testing.”   
 

Most deaths were from cardiovascular disease or cancer

Adrenal lesions are found incidentally in approximately 2% to 7% of the adult population who undergo abdominal imaging, and up to a third of those have ACS in the absence of clinical signs of Cushing syndrome.

European guidelines state that a plasma cortisol level of 138 nmol/L (5 µg/dL) or greater following DST defines ACS, and a level less than 50 nmol/L (1.8 µg/dL) rules it out, while values 50-137 (1.8-5 µg/dL) are deemed “possible” ACS.

For their study, the authors retrospectively analyzed 1,048 consecutive patients with adrenal incidentalomas seen at two Swedish hospitals between 2005 and September 2015 who were followed for up to 14 years.

The patients were a median age of 64.9 years, and 58.5% were women.

At baseline, 45.1% had a cortisol level of 50 nmol/L (1.8 µg/dL) or higher following DST, 52.9% had hypertension, 18.7% had diabetes, and 20.6% had a medical history of one or more cardiovascular events. A total of 54 patients underwent adrenalectomy, eight of them more than 2 years after the DST.

Researchers found a linear increase in mortality risk with increasing cortisol values up to 200 nmol/L (7.25 µg/dL) following DST.

Over 14 years, 16.2% (170 patients) died. Compared with cortisol less than 50 nmol/L (1.8 µg/dL) following DST, adjusted hazard ratios for mortality were 2.30 and 3.04 for cortisol levels 83 to 137 nmol/L (3-5 µg/dL) and 138 nmol/L (5 µg/dL) or greater, respectively, and both were significant.

Among the patients who died, causes of death were cardiovascular disease in 38%, cancer in 30%, infection in 4%, and other diseases in 28%.

Patients with post-DST cortisol levels of 83 nmol/L (3 µg/dL) or higher had increased cardiovascular mortality, while those with levels of 50-82 nmol/L (1.8-3.0 µg/dL) did not. In contrast, mortality rates from cancer, infection, and other diseases didn’t vary across groups.
 

Implications: Further testing, prospective studies needed

“The increase in mortality associated with cortisol DST values of 83 nmol/L or higher has implications,” the authors say.

“We suggest [medical] treatment of known cardiovascular risk factors in these patients and incorporation of our results in the decision about which patients to recommend for adrenalectomy.”

In contrast, ACS with lower cortisol (<83 nmol/L or 3 µg/dL) following DST “is not associated with clinically relevant increased mortality within 5 to 10 years,” they observe.

Dr. Kurra said she would perform further testing for any patient with an adrenal incidentaloma and a cortisol level 50-137 nmol/L (1.8-5 µg/dL) following DST: Specifically, a dehydroepiandrosterone sulfate (DHEAS) test.

“If DHEAS is low and the patient has metabolic complications, then I will work them up more, with adrenocorticotropin (ACTH) and 24-hour urine and go down that path of looking for the extent of overproduction of cortisol.”

She recommended an algorithm published in 2017 of an age- and sex-adjusted DHEAS ratio that provides a sensitive and specific screening test for subclinical hypercortisolism in patients with adrenal incidentalomas.

In further analyses by Dr. Kjellbom and colleagues into incidentaloma size, bilateralism, basal ACTH less than 2.0 pmol/L, or DHEAS less than 1.04 mmol/L, only DHEAS significantly predicted mortality.

“This should be studied further, specific to sex, age, and [post-DST]-cortisol strata,” Dr. Kjellbom and colleagues say.

In conclusion, Dr. Kurra said the new data “confirm something that people have postulated. But because it’s a retrospective review, we need prospective studies. It is an interesting finding that needs further study before we can change clinical practice.”

The study was funded by unrestricted grants from the Lisa and Johan Grönberg Foundation and the Gyllenstiernska Krapperup Foundation. Dr. Kjellbom and Dr. Kurra have reported no relevant financial relationships.

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

A peripherally-acting substance that boosts energy expenditure and reduces fat mass has the potential to become an obesity treatment that doesn’t produce cardiovascular or psychiatric side effects, scientists say.

The agent, BIBO3304, is a selective antagonist of the neuropeptide Y1 receptor, which is elevated in the fat tissue of individuals with obesity, resulting in reduced fat accumulation. It was originally developed more than 25 years ago by scientists at Boehringer Ingelheim, who had thought that it would reduce appetite by targeting Y1 receptors in the brain. But when it didn’t cross the blood-brain barrier as an oral drug, the company abandoned it.

Now a series of experiments by Chenxu Yan, of the Garvan Institute of Medical Research, St. Vincent’s Hospital, Sydney, and colleagues have shown that “BIBO” works directly on Y1 receptors in the periphery to turn fat-storing white fat cells into heat-generating brown-like fat tissue, thereby enhancing energy expenditure.

The data were published online May 11 in Nature Communications.
 

Drug’s lack of effect on the brain turns out to be a positive

“Rather than just having the cells store fat, we change their characteristics so that most of the excess energy gets burned and produces heat instead of being stored as fat. BIBO programs the cell toward a more heat-producing cell rather than a fat-storing cell,” study coauthor Herbert Herzog, PhD, of the Garvan Institute, said in an interview.

Importantly, he said, the lack of effect on the brain that caused the drug’s initial developer to abandon it turns out to be a positive.

“As we looked at fat specifically, and we didn’t want to have any interference with the brain, this seems to work out as a real advantage … It has the desired effect of blocking fat accumulation but has the enormous benefit of not interfering with any brain function. That’s why so many of the obesity drugs that were on the market were taken off, because of the side effects they caused in the brain on mood and cardiovascular control. It’s a completely different ball game.”

The problem now, he said, is that because BIBO is off-patent, no pharmaceutical company is currently willing to invest in its development as a peripherally acting weight-loss drug, despite its potential advantages.

“We’re trying to find some interested party to help us get this to the clinical setting. We’re basic scientists. We need big money. We can do small-scale studies to get proof of principle. Hopefully, if that’s interesting, some bigger company will come along,” said Dr. Herzog.
 

Experiments in mice, human tissues demonstrate principle

In the series of studies, investigators fed genetically inbred mice a high-fat, high-sugar diet while giving BIBO to half of them. Over 8 weeks, the mice given BIBO had 40% less gain in fat mass compared to those overfed without the drug, despite them all eating the same amount.

Using a noninvasive infrared camera to measure skin surface temperature above brown adipose tissue, they found that the temperature was significantly increased with BIBO, independent of the weight of the brown fat.

This suggests that the thermogenesis of the brown fat is significantly contributing to whole-body energy expenditure. “With the drug, the mice have far greater energy expenditure measured by heat production,” Dr. Herzog explained.

In vitro experiments showed that Y1R blockade by BIBO induced “beigeing” of white fat deposits into more heat-producing brown fat. The body temperature increase is about 0.1-0.2ºC. “That’s a tiny amount, but it actually requires quite a lot of energy,” he said.

Experiments using fat tissue taken from obese and normal-weight humans showed the same thermogenesis with BIBO. “It’s such a fundamental process [that] you wouldn’t expect it to differ. The same mechanism is even found in flies and primitive worms,” he noted.
 

Neuropeptide Y receptor blockage: A treatment for many ills?

Previously, Dr. Herzog and colleagues found that blockade of the neuropeptide Y1 receptor also increases bone mass in mice.

“It’s a modest effect, but there’s nothing out there at the moment that really improves bone mass. If you can stop osteoporosis, that’s a benefit on its own,” he said.

Now they hope to study BIBO’s vasodilatory properties as a potential treatment for hypertension, if they get the funding.

Dr. Herzog is hopeful, as obesity, osteoporosis, and hypertension are all chronic conditions. “Having one drug that benefits them all would surely be of interest to clinicians and drug companies,” he observed.  

Dr. Yan and Dr. Herzog have reported no relevant financial relationships.

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

A peripherally-acting substance that boosts energy expenditure and reduces fat mass has the potential to become an obesity treatment that doesn’t produce cardiovascular or psychiatric side effects, scientists say.

The agent, BIBO3304, is a selective antagonist of the neuropeptide Y1 receptor, which is elevated in the fat tissue of individuals with obesity, resulting in reduced fat accumulation. It was originally developed more than 25 years ago by scientists at Boehringer Ingelheim, who had thought that it would reduce appetite by targeting Y1 receptors in the brain. But when it didn’t cross the blood-brain barrier as an oral drug, the company abandoned it.

Now a series of experiments by Chenxu Yan, of the Garvan Institute of Medical Research, St. Vincent’s Hospital, Sydney, and colleagues have shown that “BIBO” works directly on Y1 receptors in the periphery to turn fat-storing white fat cells into heat-generating brown-like fat tissue, thereby enhancing energy expenditure.

The data were published online May 11 in Nature Communications.
 

Drug’s lack of effect on the brain turns out to be a positive

“Rather than just having the cells store fat, we change their characteristics so that most of the excess energy gets burned and produces heat instead of being stored as fat. BIBO programs the cell toward a more heat-producing cell rather than a fat-storing cell,” study coauthor Herbert Herzog, PhD, of the Garvan Institute, said in an interview.

Importantly, he said, the lack of effect on the brain that caused the drug’s initial developer to abandon it turns out to be a positive.

“As we looked at fat specifically, and we didn’t want to have any interference with the brain, this seems to work out as a real advantage … It has the desired effect of blocking fat accumulation but has the enormous benefit of not interfering with any brain function. That’s why so many of the obesity drugs that were on the market were taken off, because of the side effects they caused in the brain on mood and cardiovascular control. It’s a completely different ball game.”

The problem now, he said, is that because BIBO is off-patent, no pharmaceutical company is currently willing to invest in its development as a peripherally acting weight-loss drug, despite its potential advantages.

“We’re trying to find some interested party to help us get this to the clinical setting. We’re basic scientists. We need big money. We can do small-scale studies to get proof of principle. Hopefully, if that’s interesting, some bigger company will come along,” said Dr. Herzog.
 

Experiments in mice, human tissues demonstrate principle

In the series of studies, investigators fed genetically inbred mice a high-fat, high-sugar diet while giving BIBO to half of them. Over 8 weeks, the mice given BIBO had 40% less gain in fat mass compared to those overfed without the drug, despite them all eating the same amount.

Using a noninvasive infrared camera to measure skin surface temperature above brown adipose tissue, they found that the temperature was significantly increased with BIBO, independent of the weight of the brown fat.

This suggests that the thermogenesis of the brown fat is significantly contributing to whole-body energy expenditure. “With the drug, the mice have far greater energy expenditure measured by heat production,” Dr. Herzog explained.

In vitro experiments showed that Y1R blockade by BIBO induced “beigeing” of white fat deposits into more heat-producing brown fat. The body temperature increase is about 0.1-0.2ºC. “That’s a tiny amount, but it actually requires quite a lot of energy,” he said.

Experiments using fat tissue taken from obese and normal-weight humans showed the same thermogenesis with BIBO. “It’s such a fundamental process [that] you wouldn’t expect it to differ. The same mechanism is even found in flies and primitive worms,” he noted.
 

Neuropeptide Y receptor blockage: A treatment for many ills?

Previously, Dr. Herzog and colleagues found that blockade of the neuropeptide Y1 receptor also increases bone mass in mice.

“It’s a modest effect, but there’s nothing out there at the moment that really improves bone mass. If you can stop osteoporosis, that’s a benefit on its own,” he said.

Now they hope to study BIBO’s vasodilatory properties as a potential treatment for hypertension, if they get the funding.

Dr. Herzog is hopeful, as obesity, osteoporosis, and hypertension are all chronic conditions. “Having one drug that benefits them all would surely be of interest to clinicians and drug companies,” he observed.  

Dr. Yan and Dr. Herzog have reported no relevant financial relationships.

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

A peripherally-acting substance that boosts energy expenditure and reduces fat mass has the potential to become an obesity treatment that doesn’t produce cardiovascular or psychiatric side effects, scientists say.

The agent, BIBO3304, is a selective antagonist of the neuropeptide Y1 receptor, which is elevated in the fat tissue of individuals with obesity, resulting in reduced fat accumulation. It was originally developed more than 25 years ago by scientists at Boehringer Ingelheim, who had thought that it would reduce appetite by targeting Y1 receptors in the brain. But when it didn’t cross the blood-brain barrier as an oral drug, the company abandoned it.

Now a series of experiments by Chenxu Yan, of the Garvan Institute of Medical Research, St. Vincent’s Hospital, Sydney, and colleagues have shown that “BIBO” works directly on Y1 receptors in the periphery to turn fat-storing white fat cells into heat-generating brown-like fat tissue, thereby enhancing energy expenditure.

The data were published online May 11 in Nature Communications.
 

Drug’s lack of effect on the brain turns out to be a positive

“Rather than just having the cells store fat, we change their characteristics so that most of the excess energy gets burned and produces heat instead of being stored as fat. BIBO programs the cell toward a more heat-producing cell rather than a fat-storing cell,” study coauthor Herbert Herzog, PhD, of the Garvan Institute, said in an interview.

Importantly, he said, the lack of effect on the brain that caused the drug’s initial developer to abandon it turns out to be a positive.

“As we looked at fat specifically, and we didn’t want to have any interference with the brain, this seems to work out as a real advantage … It has the desired effect of blocking fat accumulation but has the enormous benefit of not interfering with any brain function. That’s why so many of the obesity drugs that were on the market were taken off, because of the side effects they caused in the brain on mood and cardiovascular control. It’s a completely different ball game.”

The problem now, he said, is that because BIBO is off-patent, no pharmaceutical company is currently willing to invest in its development as a peripherally acting weight-loss drug, despite its potential advantages.

“We’re trying to find some interested party to help us get this to the clinical setting. We’re basic scientists. We need big money. We can do small-scale studies to get proof of principle. Hopefully, if that’s interesting, some bigger company will come along,” said Dr. Herzog.
 

Experiments in mice, human tissues demonstrate principle

In the series of studies, investigators fed genetically inbred mice a high-fat, high-sugar diet while giving BIBO to half of them. Over 8 weeks, the mice given BIBO had 40% less gain in fat mass compared to those overfed without the drug, despite them all eating the same amount.

Using a noninvasive infrared camera to measure skin surface temperature above brown adipose tissue, they found that the temperature was significantly increased with BIBO, independent of the weight of the brown fat.

This suggests that the thermogenesis of the brown fat is significantly contributing to whole-body energy expenditure. “With the drug, the mice have far greater energy expenditure measured by heat production,” Dr. Herzog explained.

In vitro experiments showed that Y1R blockade by BIBO induced “beigeing” of white fat deposits into more heat-producing brown fat. The body temperature increase is about 0.1-0.2ºC. “That’s a tiny amount, but it actually requires quite a lot of energy,” he said.

Experiments using fat tissue taken from obese and normal-weight humans showed the same thermogenesis with BIBO. “It’s such a fundamental process [that] you wouldn’t expect it to differ. The same mechanism is even found in flies and primitive worms,” he noted.
 

Neuropeptide Y receptor blockage: A treatment for many ills?

Previously, Dr. Herzog and colleagues found that blockade of the neuropeptide Y1 receptor also increases bone mass in mice.

“It’s a modest effect, but there’s nothing out there at the moment that really improves bone mass. If you can stop osteoporosis, that’s a benefit on its own,” he said.

Now they hope to study BIBO’s vasodilatory properties as a potential treatment for hypertension, if they get the funding.

Dr. Herzog is hopeful, as obesity, osteoporosis, and hypertension are all chronic conditions. “Having one drug that benefits them all would surely be of interest to clinicians and drug companies,” he observed.  

Dr. Yan and Dr. Herzog have reported no relevant financial relationships.

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