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Effects of early treatment with zofenopril in patients with myocardial infarction and metabolic syndrome: the SMILE Study

Authors Borghi C, Cicero AFG, Ambrosioni E

Published 6 June 2008 Volume 2008:4(3) Pages 665—671


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Claudio Borghi, Arrigo FG Cicero, Ettore Ambrosioni

Department of Clinical Medicine, University of Bologna, Bologna, Italy. On behalf of the Survival of Myocardial Infarction Long-term Evaluation (SMILE) Study

Objective: To evaluate the clinical efficacy of the early administration of zofenopril in a group of patients with and without metabolic syndrome (MS+ and MS–) and anterior myocardial infarction enrolled in the Survival of Myocardial Infarction Long-Term Evaluation (SMILE) Study.

Methods: Patients were randomized double-blind to zofenopril (n = 719) or placebo (n = 699) for 6 weeks. The primary end point was the effect of treatment on the 6-week combined occurrence of death and severe congestive heart failure. The secondary end point was the 1-year mortality rate.

Results: Of the 1418 patients included in this post-hoc analysis, 686 (48.3%) had MS. After 6 weeks of treatment zofenopril significantly reduced the incidence of all-cause death and severe congestive failure (risk reduction: 69%, 95% CI: 7–78; 2p = 0.002) in MS+ patients. This was the case for 1-year mortality, too (29%, 95% CI: 4–41; 2p = 0.048). Zofenopril was effective also in MS− patients but the amount of relative risk reduction was less than in MS+ for both the primary (–11%; 2p = 0.61) and secondary endpoint (–19%; 2p = 0.025).

Conclusions: Results of this post-hoc analysis of the SMILE Study demonstrate the striking benefit of early administration of zofenopril in MS+ patients with acute anterior myocardial infarction.

Keywords: SMILE Study, angiotensin converting enzyme inhibitor, zofenopril, myocardial infarction, metabolic syndrome

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