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3-year clinical follow-up of the XIENCE V everolimus-eluting coronary stent system in the treatment of patients with de novo coronary artery lesions: the SPIRIT II trial (Clinical Evaluation of the Xience V Everolimus Eluting Coronary Stent System in the Treatment of Patients with de novo Native Coronary Artery Lesions).

Author(s): Garg S, Serruys P, Onuma Y, Dorange C, Veldhof S, Miquel-Hebert K, Sudhir K, Boland J, Huber K, Garcia E, te Riele JA, SPIRIT II Investigators

Affiliation(s): Thoraxcenter, Erasmus Medical Center, Rotterdam, the Netherlands.

Publication date & source: 2009-12, JACC Cardiovasc Interv., 2(12):1190-8.

Publication type: Comparative Study; Multicenter Study; Randomized Controlled Trial

OBJECTIVES: This paper reports the 3-year clinical outcomes of the XIENCE V (Abbott Vascular, Santa Clara, California) everolimus-eluting stent (EES) compared with the TAXUS (Boston Scientific, Natick, Massachusetts) paclitaxel-eluting stent (PES) in the randomized SPIRIT II (Clinical Evaluation of the Xience V Everolimus Eluting Coronary Stent System in the Treatment of Patients with de novo Native Coronary Artery Lesions) study. BACKGROUND: The Xience V EES is a new-generation drug-eluting stent (DES) that might offer advantages over the first-generation DES in terms of improved clinical outcomes and a better safety profile. METHODS: The SPIRIT II trial was a multicenter, prospective, randomized, single-blind, clinical trial, randomizing 300 patients with de novo coronary artery lesions in a ratio of 3:1 to either EES or PES. The primary end point was in-stent late loss at 180 days. RESULTS: At 3-year clinical follow-up cardiac death was numerically lower with EES than PES (0.5% vs. 4.3%, p = 0.056). The observed rate of myocardial infarction was 3.6% for EES and 7.2% for PES (p = 0.31). The rate of ischemia-driven target lesion revascularization was 4.6% and 10.1% for EES and PES, respectively (p = 0.14). Overall, there was a trend for lower major adverse cardiovascular events in the EES group compared with PES (7.2% vs. 15.9%, p = 0.053). The rate of stent thrombosis was low and comparable in both groups (EES 1.0% vs. PES 2.9%). CONCLUSIONS: The present study reports the favorable 3-year clinical outcomes of the EES, which are consistent with the results from other studies of the EES with shorter follow-up.

Page last updated: 2010-10-05

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