Type 2 & other diabetes

Glucose-Lowering Medication Classes and Cardiovascular Outcomes in Patients With Type 2 Diabetes

JAMA Netw OpenPublished Comparative effectiveness study

Authors' conclusion

In this study, MACE risk varied significantly by medication class, with most protection achieved with sustained treatment with GLP-1RAs followed by SGLT2is, sulfonylureas, and DPP4is. The magnitude of benefit of GLP-1RAs over SGLT2is depended on baseline age, ASCVD, HF, and kidney impairment. These results, along with consideration of cost, availability, and collateral clinical benefits, may inform treatment decisions for adults with T2D.

Study context

Population
US adults with T2D in 6 large US health care delivery systems initiating 1 of 4 medication classes, 2014–2021; 4-arm cohort mean (SD) age 57.2 (12.9) years, 54.3% male241,981 in 4-arm emulation
Participants
296,676 adults
Comparison
Sustained exposure to sulfonylureas vs DPP4is vs SGLT2is vs GLP-1RAs
Outcome
MACE: nonfatal MI, nonfatal stroke or cardiovascular death
Follow-up
2.5 years
Methodological detailstarget trial emulation (4-arm), targeted learning with machine learning, 6 US health care delivery systems, prespecified subgroups
  • Target trial emulation (4-arm)
  • Targeted learning with machine learning
  • 6 US health care delivery systems
  • Prespecified subgroups

Main finding

As reported in the abstract

MACE cumulative risk
Cumulative risk difference (95% CI)
DPP4isvs Sulfonylureas
1.9%(1.1%–2.7%)
SGLT2isvs GLP-1RAs
1.5%(1.1%–1.9%)

Further findings

MACE risk differences by atherosclerotic cardiovascular disease (ASCVD) status · 2.5 years

Risk differences similar in direction with vs without ASCVD but typically much smaller without ASCVD

Benefit of GLP-1RAs over SGLT2is by subgroup · 2.5 years

Most pronounced with baseline ASCVD or heart failure (HF), age ≥65 years, or low to moderate kidney impairment; not found in patients <50 years

Original publication

Glucose-Lowering Medication Classes and Cardiovascular Outcomes in Patients With Type 2 Diabetes. JAMA Netw Open. Published 1 October 2025. doi:10.1001/jamanetworkopen.2025.36100

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