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A clinical and angiographic study of the XIENCE V everolimus-eluting coronary stent system in the treatment of patients with multivessel coronary artery disease. Study design and rationale of the EXECUTIVE trial.

Author(s): Ribichini F, Ansalone G, Bartorelli A, Beqaraj F, Berni A, Colangelo S, D'Amico M, Della Rovere F, Fiscella A, Gabrielli G, Indolfi C, La Vecchia L, Loschiavo P, Marinoni G, Marzocchi A, Milazzo D, Romano M, Sangiorgio P, Sheiban I, Tamburino C, Tuccillo B, Villani R, Cappi B, Quijada MJ, Vassanelli C, EXECUTIVE Trial Investigators

Affiliation(s): Dipartimento di Scienze Biomediche e Chirurgiche, Universita di Verona, Verona, Italy. flavio.ribichini@univr.it

Publication date & source: 2010-04, J Cardiovasc Med (Hagerstown)., 11(4):299-309.

Publication type: Comparative Study; Multicenter Study; Randomized Controlled Trial; Research Support, Non-U.S. Gov't

BACKGROUND: Myocardial revascularization with drug-eluting stents (DESs) is emerging as an alternative to conventional coronary artery bypass surgery in patients with multivessel coronary artery disease (MV-CAD). First-generation DESs have yielded equivalent safety results at mid-term compared with surgery, but inferior efficacy in preventing the recurrence of ischemic symptoms. The outcome of percutaneous coronary intervention with a second-generation everolimus DES as compared with a paclitaxel DES in patients with MV-CAD has not been established. AIM OF THE STUDY: The aim of the study is the assessment of the efficacy and performance of the XIENCE V everolimus-eluting stent in the treatment of de-novo coronary artery lesions in patients with MV-CAD. STUDY DESIGN: The study is composed of two parts: a prospective, double arm, randomized multicenter trial to assess the angiographic efficacy of the XIENCE V everolimus-eluting coronary stent system (EECSS) compared with the Taxus Liberte Paclitaxel Eluting Coronary Stent System (Taxus Liberte Stent) and a prospective, open-label, single arm, controlled registry to analyze the clinical efficacy and safety of XIENCE V EECSS at mid-term and long-term follow-up in patients treated for MV-CAD. ENDPOINTS: For the EXECUTIVE randomized trial, the primary endpoint is in-stent late lumen loss at 9 months. For the EXECUTIVE registry, the primary endpoint is a composite of all death, myocardial infarction (Q-wave and non-Q-wave), and ischemia-driven target vessel revascularization at 12 months. The study will be conducted at 30 study centers in Italy and 600 patients will be enrolled in total: 200 patients will be enrolled (1: 1) in the randomized trial and 400 patients will enter the registry. SAMPLE SIZE: It was calculated that, assuming a mean in-stent late lumen loss of 0.20 +/- 0.41 mm in the XIENCE V EECSS arm and 0.30 +/- 0.53 mm in the Taxus Liberte stent arm, and a noninferiority margin delta of 0.12 (according to the SPIRIT III results), the analysis of 81 lesions per arm would provide over 90% power. Therefore, 200 patients will be enrolled to account for dropouts. CONCLUSION: The present study is expected to provide as yet unavailable information about the performance of second-generation stents in the specific setting of patients with MV-CAD.

Page last updated: 2010-10-05

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