Cardiovascular effects of dipeptidyl peptidase-4 inhibitor in diabetic patients with and without established cardiovascular disease: a meta-analysis and systematic review
Abstract
OBJECTIVES: We aim to conduct a meta-analysis, by stratifying diabetic patients with or without clinical cardiovascular diseases (CVD), to explore whether there are different cardiovascular effects of dipeptidyl peptidase-4 inhibitors (DPP-4is) on these two different classes of diabetic patients.
METHODS: We searchedMedline,Embase, theCochrane Libraryand ClinicalTrials.gov for relevant randomized controlled trials (RCTs). The included trials are divided into CVD (+) trials (subjects with established CVD), and CVD (-) trials (subjects with no CVD). We use all-cause mortality and cardiovascular outcomes as primary endpoints.
RESULTS: (1) Three CVD (+) trials were included and 36,895 subjects were enrolled with a mean follow-up duration of 127.1 weeks. The pooled results showed that DPP-4is treatment, compared with the placebo, did not significantly affect all-cause mortality (RR, 1.03; 95% CI, 0.95 to 1.11), cardiovascular death (1.01, 0.91 to 1.12), myocardial infarction (0.98, 0.88 to 1.08) or stroke (1.02, 0.88 to 1.18) in diabetic patients with coexisting CVD history; however, it significantly increased the risk of heart failure (1.14, 1.01 to 1.27) in this population. 2) Thirty-five CVD (-) trials were included, and 29,600 patients were enrolled with a mean follow-up duration of 77.8 weeks. The analysis comparing DPP-4is with the placebo control showed that DPP-4is treatment did not significantly affect the risk of all-cause mortality or cardiovascular outcomes in…
How strong is the evidence?
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. Reported size: 36,895 participants or records.
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