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J Am Coll Cardiol. 2010 Oct 5;56(15):1187-95. doi: 10.1016/j.jacc.2010.03.086.

Comparison of zotarolimus-eluting stents with sirolimus- and paclitaxel-eluting stents for coronary revascularization: the ZEST (comparison of the efficacy and safety of zotarolimus-eluting stent with sirolimus-eluting and paclitaxel-eluting stent for coronary lesions) randomized trial.

Author information

1
Department of Cardiology, Center for Medical Research and Information, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea.

Abstract

OBJECTIVES:

The aim of this study was to evaluate the relative efficacy and safety of zotarolimus-eluting stents (ZES) in comparison with the established and widely used sirolimus- (SES) and paclitaxel-eluting stents (PES) in routine clinical practice.

BACKGROUND:

Whether ZES might provide similar clinical and angiographic outcomes in a broad spectrum of patients compared with SES or PES is undetermined.

METHODS:

We performed a single-blind, multicenter, prospectively randomized trial to compare ZES with SES and PES in 2,645 patients undergoing percutaneous coronary intervention. The primary end point was a composite of major adverse cardiac events (MACE) (death, myocardial infarction, and ischemia-driven target vessel revascularization) at 12 months. A noninferiority comparison (ZES vs. SES) and a superiority comparison (ZES vs. PES) were performed for the primary end point.

RESULTS:

Baseline clinical and angiographic characteristics were similar in the 3 groups. At 12 months, the ZES group showed noninferior rates of MACE compared with the SES group (10.2% vs. 8.3%, p for noninferiority = 0.01, p for superiority = 0.17) and significantly fewer MACE than the PES group (10.2% vs. 14.1%, p for superiority = 0.01). The incidence of death or myocardial infarction was similar among the groups (ZES vs. SES vs. PES, 5.8% vs. 6.9% vs. 7.6%, respectively, p = 0.31). The incidence of stent thrombosis was significantly lower in the SES group (ZES vs. SES vs. PES, 0.7% vs. 0% vs. 0.8%, respectively, p = 0.02).

CONCLUSIONS:

In this large-scale, practical randomized trial, the use of ZES resulted in similar rates of MACE compared with SES and in fewer MACE compared with PES at 12 months. (Comparison of the Efficacy and the Safety of Zotarolimus-Eluting Stent Versus Sirolimus-Eluting Stent and PacliTaxel-Eluting Stent for Coronary Lesions; NCT00418067).

PMID:
20883925
DOI:
10.1016/j.jacc.2010.03.086
[Indexed for MEDLINE]
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