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Randomized comparison of everolimus-eluting stent versus sirolimus-eluting stent implantation for de novo coronary artery disease in patients with diabetes mellitus (ESSENCE-DIABETES): results from the ESSENCE-DIABETES trial.

Author(s): Kim WJ, Lee SW, Park SW, Kim YH, Yun SC, Lee JY, Park DW, Kang SJ, Lee CW, Lee JH, Choi SW, Seong IW, Lee BK, Lee NH, Cho YH, Shin WY, Lee SJ, Lee SW, Hyon MS, Bang DW, Park WJ, Kim HS, Chae JK, Lee K, Park HK, Park CB, Lee SG, Kim MK, Park KH, Choi YJ, Cheong SS, Yang TH, Jang JS, Her SH, Park SJ

Affiliation(s): Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.

Publication date & source: 2011-08-23, Circulation., 124(8):886-92. Epub 2011 Aug 1.

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

BACKGROUND: Drug-eluting stents significantly improved angiographic and clinical outcomes compared with bare metal stents in diabetic patients. However, a comparison of everolimus-eluting stents and sirolimus-eluting stents in diabetic patients has not been evaluated. Therefore we compared effectiveness of everolimus-eluting stents and sirolimus-eluting stents in patients with diabetes mellitus. METHODS AND RESULTS: This prospective, multicenter, randomized study compared everolimus-eluting stent (n=149) and sirolimus-eluting stent (n=151) implantation in diabetic patients. The primary end point was noninferiority of angiographic in-segment late loss at 8 months. Clinical events were also monitored for at least 12 months. Everolimus-eluting stents were noninferior to sirolimus-eluting stents for 8-month in-segment late loss (0.23 +/- 0.27 versus 0.37 +/- 0.52 mm; difference, -0.13 mm; 95% confidence interval, -0.25 to -0.02; upper 1-sided 95% confidence interval, -0.04; P<0.001 for noninferiority), with reductions in in-stent restenosis (0% versus 4.7%; P=0.029) and in-segment restenosis (0.9% versus 6.5%; P=0.035). However, in-stent late loss (0.11 +/- 0.26 versus 0.20 +/- 0.49 mm; P=0.114) was not statistically different between the 2 groups. At 12 months, ischemia-driven target lesion revascularization (0.7% versus 2.6%; P=0.317), death (1.3% versus 3.3%; P=0.448), and myocardial infarction (0% versus 1.3%; P=0.498) were not statistically different between the 2 groups. Major adverse cardiac events, including death, myocardial infarction, and ischemia-driven target lesion revascularization (2.0% versus 5.3%; P=0.218), were also not statistically different between the 2 groups. CONCLUSION: Everolimus-eluting stents were noninferior to sirolimus-eluting stents in reducing in-segment late loss and reduced angiographic restenosis at 8 months in patients with diabetes mellitus and coronary artery disease.

Page last updated: 2011-12-09

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