Diabetes Obes Metab. 2025 Sep 29. doi: 10.1111/dom.70175. Online ahead of print.
ABSTRACT
AIMS: The association between glucagon-like peptide-1 receptor agonists (GLP-1 RAs) and depression remains uncertain due to contradictory evidence. We compared the risk of incident depression between GLP-1 RAs and sodium-glucose cotransporter-2 inhibitors (SGLT2is) in overweight or obese adults with type 2 diabetes.
MATERIALS AND METHODS: We conducted a new-user, active-comparator cohort study using a deidentified electronic health record network from January 2016 to July 2024. After 1:1 propensity score matching, we compared 25 704 new GLP-1 RA users to 25 704 SGLT2i users with newly diagnosed type 2 diabetes and overweight/obesity, excluding those with prior mood disorders. The primary outcome was a composite of incident depression diagnosis or antidepressant initiation, assessed from 1 month to 1 year post-initiation using Cox models and time-varying analyses.
RESULTS: In 51 408 patients (mean age 56.8 years, 48.9% male), GLP-1 RA use was associated with higher depression incidence versus SGLT2i use (17.0% vs. 14.8%; hazard ratio 1.09, 95% CI 1.04-1.14; p < 0.001), with an absolute risk difference of 2.2%. The association was stronger in adults ≥65 years (HR 1.15) and plateaued after approximately 6 months. In secondary analysis, GLP-1 RA use was associated with a lower rate of all-cause mortality (HR 0.74, 95% CI 0.63-0.88).
CONCLUSIONS: GLP-1 RA initiation was associated with a statistically significant increase in depression risk compared to SGLT2i use (9% relative increase, 2.2% absolute risk difference over 1 year), particularly during the subacute period and in older adults. This observed association must be balanced against substantial mortality benefits. Enhanced monitoring and shared decision-making are warranted.
PMID:41017578 | DOI:10.1111/dom.70175
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