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- W1990073175 abstract "Background: Carvedilol is a direct inhibitor of vascular smooth muscle cell migration and proliferation through inhibition of mitogen-activated protein kinase activity and regulation of cell cycle progression. It produced an 84% suppression of neointimal hyperplasia in rat carotid angioplasty model, but no data are available regarding its effect on stent restenosis in patients. We tested whether a sustained oral administration of carvedilol reduces restenosis after coronary stenting in patients. Methods: One hundred fifty nine patients were randomized to receive either carvedilol (50 mg/day, n=80) or atenolol (50 mg/day, n=79) at least 1 day before stenting and continued on the same medication over 3 months. The primary end point was angiographic restenosis (>50% diameter stenosis) at follow-up angiography. Results: Baseline clinical and angiographic variables were similar between the carvedilol and atenolol group. The carvedilol dose was tolerable in most patients after adjustment of other medications, but reduced in 3 patients due to hypotension and dizziness. Angiographic follow-up was done in 137 patients (86%) and the restenosis rate was not different significantly between both groups (17.1% versus 19.4%, p=0.732). Conclusions: A sustained oral administration of carvedilol is not effective to reduce stent restenosis. With carvedilol targeting regulators of cell cycle progression and having a profound neointimal inhibition with a high blood concentration in an experiment, further investigations using a stent-based delivery to achieve a high local concentration may be warranted. (Korean Circulation J 2004;34 (1):35-40)" @default.
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- W1990073175 date "2004-01-01" @default.
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- W1990073175 title "The Effectiveness of Carvedilol, a New Antioxidant and Antiproliferative Beta-Blocker, on Prevention of Restenosis after Coronary Stent Implantation: a Prospective, Randomized, Multicenter Study" @default.
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- W1990073175 doi "https://doi.org/10.4070/kcj.2004.34.1.35" @default.
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