4.7 Article

SGLT2 Inhibitors: Effect on Myocardial Infarction and Stroke in Type 2 Diabetes

Journal

JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM
Volume 108, Issue 8, Pages 2134-2140

Publisher

ENDOCRINE SOC
DOI: 10.1210/clinem/dgad113

Keywords

SGLT 2 inhibitors; ASCVD; myocardial infarction; stroke

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Recent recommendations for SGLT2 inhibitors in the management of type 2 diabetes are primarily based on their ability to reduce cardiovascular adverse events, particularly cardiovascular death. However, their effect on reducing myocardial infarction and stroke events has not been well explored.
Background Sodium-glucose cotransporter-2 inhibitors (SGLT2i) have recently been recommended as preferred agents for management of hyperglycemia in type 2 diabetes, primarily based on their ability to reduce a composite of major cardiovascular adverse events (3-point major adverse cardiovascular events [MACE]), predominantly by reducing cardiovascular death. However, reduction of the individual components, myocardial infarction (MI), or stroke (fatal and nonfatal) events have not been well explored. Methods In this meta-analysis, we included data available from cardiovascular outcome trials only, which were event-driven, randomized, and placebo-controlled. Pooled efficacy outcomes included Mantel Haenszel (MH) risk ratio using fixed model (with 95% CI) for fatal and nonfatal MI, stroke, and total MI and stroke. Findings Data from 4 eligible trials included 42,568 subjects. Total MACE, MI, and stroke were reported in 4176, 2157, and 1288 subjects, respectively. SGLT2is did not significantly reduce either MI or stroke individually or in totality. The MH risk ratio (95% CI) for fatal and nonfatal MI and stroke with different SGLT2is was found to be 0.93 (95% CI, 0.85-1.01) and 1.00 (95% CI, 0.89-1.11), respectively. For total atherosclerotic cardiovascular disease (ASCVD) events, MH risk ratio (95% CI) was 0.95 (95% CI, 0.89-1.02). For all nonfatal ASCVD (combined nonfatal MI and nonfatal stroke), MH risk ratio (95% CI) was 0.94 (95% CI, 0.88-1.02). Interpretation SGLT2is reduce MACE without any discernable significant reduction of the incidence of MI or stroke (fatal and nonfatal), probably implicating mechanisms unrelated to anti-atherogenic effects.

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