Type 2 & other diabetes

GLP ‐1 Receptor Agonists and Substance Use Disorders in Older Adults With Type 2 Diabetes: A Target Trial Emulation

Obesity (Silver Spring)Published Retrospective cohort study

Main finding · SUD hospitalizationResult — go to the resultHazard ratio 0.76 95% CI 0.67–0.86

Authors' conclusion

Among older adults with T2D, GLP-1RA use was associated with reduced SUD-related hospitalization versus DPP4i use

Study context

Population
Older adults (aged ≥65) with coexisting T2D and substance use disorders, Medicare data 2016–2020matched cohorts
Exposure
GLP-1 RA initiators vs new users of DPP-4i or SGLT2i
Outcome
Hospitalization for any substance use disorders (SUD)
Methodological detailstarget trial emulation, propensity score 1:1 matching, active comparator new-user
  • Target trial emulation
  • Propensity score 1:1 matching
  • Active comparator new-user

Main finding

SUD hospitalization

Hazard ratio

0.76

95% CI 0.67–0.86

GLP-1RAvs DPP4i
HR 0.76 (95% CI 0.67–0.86)

As reported in the abstract

Observational data: associations, not effects.

Secondary outcomes

OutcomeHR (95% CI)
OUD hospitalization, GLP-1RAvs DPP4i0.64 (0.43–0.96)
AUD hospitalization, GLP-1RAvs DPP4iNonsignificant trend0.76 (0.53–1.08)

Original publication

GLP ‐1 Receptor Agonists and Substance Use Disorders in Older Adults With Type 2 Diabetes: A Target Trial Emulation. Obesity (Silver Spring). Published 15 September 2025. doi:10.1002/oby.70024

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