BACKGROUND:Patients with coronary total occlusions are at especially high risk for restenosis and new revascularizations. Sirolimus-eluting stents dramatically improved the clinical outcome of this subset of patients in randomized trials, but other drug-eluting stents, mainly the everolimus-eluting stent (currently the most frequently used stent), have not yet been evaluated in patients with coronary total occlusions. The objective was to compare the second-generation everolimus-eluting stent with the first-generation sirolimus-eluting stent in patients with coronary total occlusions. METHODS AND RESULTS: A total of 207 patients with coronary total occlusions and estimated time since occlusion >2 weeks were randomized to everolimus- or sirolimus-eluting stent. The primary end point was in-stent late loss at 9-month angiographic follow-up (noninferiority trial). Clinical follow-up was performed at 1 and 12 months. In-stent late loss at 9 months was 0.29±0.60 versus 0.13±0.69 mm in patients allocated to sirolimus- and everolimus-eluting stent, respectively. The observed difference in in-stent late loss between both groups was -0.16 mm (95% confidence interval, 0.04 to -0.36 mm; P for noninferiority <0.01). The rate of binary angiographic restenosis was 10.8% and 9.1% in patients allocated to sirolimus- and everolimus-eluting stent, respectively (P=0.709), whereas the rate of vessel reocclusion was 3.2% and 1.1%, respectively (P=0.339). At 12 months, the rate of major adverse events was 15.9% versus 11.1% with sirolimus- and everolimus-eluting stent, respectively (P=0.335), and probable or definitive stent thrombosis occurred in 3.0% and 0.0% of patients, respectively (P=0.075). CONCLUSIONS: In patients with coronary total occlusions, everolimus-eluting stent is as effective as sirolimus-eluting stent. CLINICAL TRIAL REGISTRATION: URL: http://www.clinicaltrials.gov. Unique identifier: NCT00793221.
RCT Entities:
BACKGROUND:Patients with coronary total occlusions are at especially high risk for restenosis and new revascularizations. Sirolimus-eluting stents dramatically improved the clinical outcome of this subset of patients in randomized trials, but other drug-eluting stents, mainly the everolimus-eluting stent (currently the most frequently used stent), have not yet been evaluated in patients with coronary total occlusions. The objective was to compare the second-generation everolimus-eluting stent with the first-generation sirolimus-eluting stent in patients with coronary total occlusions. METHODS AND RESULTS: A total of 207 patients with coronary total occlusions and estimated time since occlusion >2 weeks were randomized to everolimus- or sirolimus-eluting stent. The primary end point was in-stent late loss at 9-month angiographic follow-up (noninferiority trial). Clinical follow-up was performed at 1 and 12 months. In-stent late loss at 9 months was 0.29±0.60 versus 0.13±0.69 mm in patients allocated to sirolimus- and everolimus-eluting stent, respectively. The observed difference in in-stent late loss between both groups was -0.16 mm (95% confidence interval, 0.04 to -0.36 mm; P for noninferiority <0.01). The rate of binary angiographic restenosis was 10.8% and 9.1% in patients allocated to sirolimus- and everolimus-eluting stent, respectively (P=0.709), whereas the rate of vessel reocclusion was 3.2% and 1.1%, respectively (P=0.339). At 12 months, the rate of major adverse events was 15.9% versus 11.1% with sirolimus- and everolimus-eluting stent, respectively (P=0.335), and probable or definitive stent thrombosis occurred in 3.0% and 0.0% of patients, respectively (P=0.075). CONCLUSIONS: In patients with coronary total occlusions, everolimus-eluting stent is as effective as sirolimus-eluting stent. CLINICAL TRIAL REGISTRATION: URL: http://www.clinicaltrials.gov. Unique identifier: NCT00793221.
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Authors: Jong-Hwa Ahn; Jeong Hoon Yang; Cheol Woong Yu; Je Sang Kim; Hyun Jong Lee; Rak Kyeong Choi; Tae Hoon Kim; Ho Joon Jang; Young Jin Choi; Young Moo Roh; Won-Heum Shim; Young Bin Song; Joo-Yong Hahn; Jin-Ho Choi; Sang Hoon Lee; Hyeon-Cheol Gwon; Seung-Hyuk Choi Journal: PLoS One Date: 2016-06-17 Impact factor: 3.240