Long-term risk of cardiovascular events with rosiglitazone: a meta-analysis - PubMed (original) (raw)

Meta-Analysis

. 2007 Sep 12;298(10):1189-95.

doi: 10.1001/jama.298.10.1189.

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Meta-Analysis

Long-term risk of cardiovascular events with rosiglitazone: a meta-analysis

Sonal Singh et al. JAMA. 2007.

Abstract

Context: Recent reports of serious adverse events with rosiglitazone use have raised questions about whether the evidence of harm justifies its use for treatment of type 2 diabetes.

Objective: To systematically review the long-term cardiovascular risks of rosiglitazone, including myocardial infarction, heart failure, and cardiovascular mortality.

Data sources: We searched MEDLINE, the GlaxoSmithKline clinical trials register, the US Food and Drug Administration Web site, and product information sheets for randomized controlled trials, systematic reviews, and meta-analyses published in English through May 2007.

Study selection: Studies were selected for inclusion if they were randomized controlled trials of rosiglitazone for prevention or treatment of type 2 diabetes, had at least 12 months of follow-up, and monitored cardiovascular adverse events and provided numerical data on all adverse events. Four studies were included after detailed screening of 140 trials for cardiovascular events.

Data extraction: Relative risks (RRs) of myocardial infarction, heart failure, and cardiovascular mortality were estimated using a fixed-effects meta-analysis of 4 randomized controlled trials (n = 14 291, including 6421 receiving rosiglitazone and 7870 receiving control therapy, with a duration of follow-up of 1-4 years).

Results: Rosiglitazone significantly increased the risk of myocardial infarction (n = 94/6421 vs 83/7870; RR, 1.42; 95% confidence interval [CI], 1.06-1.91; P = .02) and heart failure (n = 102/6421 vs 62/7870; RR, 2.09; 95% CI, 1.52-2.88; P < .001) without a significant increase in risk of cardiovascular mortality (n = 59/6421 vs 72/7870; RR, 0.90; 95% CI, 0.63-1.26; P = .53). There was no evidence of substantial heterogeneity among the trials for these end points (I(2) = 0% for myocardial infarction, 18% for heart failure, and 0% for cardiovascular mortality).

Conclusion: Among patients with impaired glucose tolerance or type 2 diabetes, rosiglitazone use for at least 12 months is associated with a significantly increased risk of myocardial infarction and heart failure, without a significantly increased risk of cardiovascular mortality.

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