Effects of SGLT2 inhibitors on cardiovascular and renal outcomes in type 2 diabetes: A meta-analysis with trial sequential analysis
Abstract
Background: It is unclear whether there are false positive or negative results in the effects of sodium-glucose transporter 2 (SGLT2) inhibitors on various cardiovascular and renal outcomes in patients with type 2 diabetes. We aimed to explore this issue by a meta-analysis with trial sequential analysis.
Methods: We included randomized trials evaluating the effects of SGLT2 inhibitors on cardiorenal endpoints in type 2 diabetic patients. Eight endpoints evaluated in the study were fatal or nonfatal myocardial infarction (MI), fatal or nonfatal stroke, major adverse cardiovascular events (MACE), cardiovascular death or hospitalization for heart failure (CVD or HHF), all-cause death (ACD), cardiovascular death (CVD), hospitalization for heart failure (HHF), and kidney function progression (KFP). Meta-analysis and trial sequential analysis was conducted for each endpoint.
Results: Seven randomized trials of SGLT2 inhibitors were included for pooled analysis. Compared with placebo, SGLT2 inhibitors significantly reduced the risk of MACE (HR 0.89, 95% confidence interval [CI] 0.84-0.94), MI (HR 0.91, 95% CI 0.84-0.99), CVD (HR 0.86, 95% CI 0.79-0.93), CVD or HHF (HR 0.77, 95% CI 0.73-0.82), HHF (HR 0.67, 95% CI 0.62-0.74), KFP (HR 0.63, 95% CI 0.56-0.70), and ACD (HR 0.88, 95% CI 0.83-0.94), whereas SGLT2 inhibitors did not have significant effects on stroke (HR 0.98, 95% CI 0.88-1.09). Trial sequential analyses for MI and stroke showed that cumulative Z curve did not cross trial…
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Evidence Hub reads this as a meta-analysis, done in people. Its evidence level is 1 of 5 (Highest · pooled evidence). Pooled evidence from several studies sits at the top of the evidence pyramid.
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