A randomized, double-blind, multicenter comparison study of triple antiplatelet therapy with dual antiplatelet therapy to reduce restenosis after drug-eluting stent implantation in long coronary lesions: results from the DECLARE-LONG II (Drug-Eluting Stenting Followed by Cilostazol Treatment Reduces Late Restenosis in Patients with Long Coronary Lesions) trial.
Author(s): Lee SW, Park SW, Kim YH, Yun SC, Park DW, Lee CW, Kang SJ, Park SJ, Lee JH, Choi SW, Seong IW, Lee NH, Cho YH, Shin WY, Lee SJ, Lee SW, Hyon MS, Bang DW, Choi YJ, Kim HS, Lee BK, Lee K, Park HK, Park CB, Lee SG, Kim MK, Park KH, Park WJ
Affiliation(s): Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea. firstname.lastname@example.org
Publication date & source: 2011-03-15, J Am Coll Cardiol., 57(11):1264-70.
Publication type: Comparative Study; Multicenter Study; Randomized Controlled Trial; Research Support, Non-U.S. Gov't
OBJECTIVES: The purpose of this study was to determine whether cilostazol reduces intimal hyperplasia in patients undergoing long zotarolimus-eluting stent implantation (stent length: >/= 30 mm) for native long coronary lesions (length: >/= 25 mm). BACKGROUND: Restenosis after drug-eluting stent implantation remains a significant clinical problem in long coronary lesions. METHODS: Patients (n = 499) were assigned randomly to triple (aspirin, clopidogrel, and cilostazol, triple group: n = 250) or dual antiplatelet therapy (aspirin and clopidogrel and placebo, dual group: n = 249) for 8 months after long zotarolimus-eluting stent implantation. The primary end point was in-stent late loss at the 8-month angiography according to the intention-to-treat principle. RESULTS: The 2 groups had similar baseline characteristics. The in-stent (0.56 +/- 0.55 mm vs. 0.68 +/- 0.59 mm, p = 0.045) and in-segment (0.32 +/- 0.54 mm vs. 0.47 +/- 0.54 mm, p = 0.006) late loss were significantly lower in the triple versus dual group, as were 8-month in-stent restenosis (10.8% vs. 19.1%, p = 0.016), in-segment restenosis (12.2% vs. 20.0%, p = 0.028), and 12-month ischemic-driven target lesion revascularization (5.2% vs. 10.0%, p = 0.042) rates. At 12 months, major adverse cardiac events including death, myocardial infarction, and ischemic-driven target lesion revascularization tended to be lower in the triple group than the dual group (7.2% vs. 12.0%, p = 0.07). Percent intimal hyperplasia volume by volumetric intravascular ultrasound analysis was reduced from 27.1 +/- 13.2% for the dual group to 22.1 +/- 9.9% for the triple group (p = 0.017). CONCLUSIONS: Patients receiving triple antiplatelet therapy after long zotarolimus-eluting stent implantation had decreased extent of late luminal loss, percent intimal hyperplasia volume, and angiographic restenosis, resulting in a reduced risk of 12-month target lesion revascularization compared with patients receiving dual antiplatelet therapy. (Triple Versus Dual Antiplatelet Therapy after ABT578-Eluting Stent; NCT00589927). Copyright (c) 2011 American College of Cardiology Foundation. Published by Elsevier Inc. All rights reserved.