Type 1 diabetes

Trends in obesity and glucagon‐like peptide‐1 receptor agonist prescriptions in type 1 diabetes in the United States

Diabetes Obes MetabPublished Repeated cross-sectional study

Authors' conclusion

Over the last 15-year period, obesity has reached epidemic levels in US youth and adults with T1D, with significant disparities among racial and ethnic minoritized populations. These findings, coupled with the increase in GLP-1RA prescriptions, underscore the urgent need for data on GLP-1RAs' safety and effectiveness and guidance for obesity management in T1D.

Study context

Population
US youth (2–19 years) and adults (≥20 years) with T1D identified by a validated algorithm, 2008 to 2023
Exposure
Trends from 2008-2011 to 2020-2023
Outcome
Trends in obesity and GLP-1 RA prescriptions across BMI categories
Follow-up
2008-2011 to 2020-2023
Methodological detailsde-identified EHR data, 33 US health systems
  • De-identified EHR data
  • 33 US health systems

Main finding

As reported in the abstract

Prevalence of obesity among youth with T1D

P for trend < 0.001

Observational data: associations, not effects.

Further findings

Outcome2008-20112020-2023P value
Prevalence of obesity among adults with T1D30.5% (CI 30.0%–31.0%)38.1% (CI 37.8%–38.5%)P for trend < 0.001

Obesity by race and ethnicity

Obesity was highest in Black and Hispanic youth and adults; racial and ethnic disparities persisted over time

GLP-1 RA prescriptions · last 15-year period

GLP-1 RA prescriptions significantly increased across all body mass index (BMI) categories in a dose-response manner among youth and adults with T1D
all p-for-trend < 0.001

Original publication

Trends in obesity and glucagon‐like peptide‐1 receptor agonist prescriptions in type 1 diabetes in the United States. Diabetes Obes Metab. Published 3 March 2025. doi:10.1111/dom.16300

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