Effect of once-weekly exenatide on hospitalization for acute coronary syndrome or coronary revascularization in patients with type 2 diabetes mellitus.
Cardiovascular (CV) outcome studies of glucagon-like peptide-1 receptor agonists (GLP-1 RAs) have shifted the paradigm of type 2 diabetes management given their benefits regarding a reduction in major adverse CV events. However, the relationship between GLP-1 RAs and coronary revascularization remains poorly understood. In this EXSCEL post-hoc analysis, we used univariate Cox proportional models and Kaplan Meier survival analysis to evaluate the effect of once-weekly exenatide (EQW) on a composite outcome of hospitalization for acute coronary syndrome (ACS) or coronary revascularization. Similar models were utilized to evaluate the relationship between significant participant characteristics within the entire study population and the composite outcome. Of the 14,736 participants in EXSCEL with complete follow-up data, 1642 (11.1%) experienced an ACS or coronary revascularization event during a median follow-up of 3.3 years (interquartile range, 2.3-4.4). EQW had no effect on hospitalization for ACS or coronary revascularization (HR 1.00, 95% CI 0.91-1.10). Among EXSCEL participants, enrollment in Latin America (HR 0.51, 95% CI 0.43-0.60) and a history of peripheral artery disease (HR 0.79, 95% CI 0.70-0.90) were associated with a reduced risk for coronary revascularization, whereas enrollment in North America (HR 1.92, 95% CI 1.74-2.12), a history of CV disease (HR 3.24, 95% CI 2.78-3.78), and a previous myocardial infarction (HR 1.54, 95% CI 1.39-1.71) were associated with increased risk for study end points. EQW had no association with hospitalization for ACS or coronary revascularization. Participant enrollment location and CV disease burden may play a role in the variable CV efficacy of GLP-1 RAs that has been observed in trials thus far.
Barbery, CE; Giczewska, A; White, J; Lokhnygina, Y; Mentz, RJ; Holman, RR; Pagidipati, N; Hernandez, AF; Jones, WS
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