Effects of monotherapy with an HMG-CoA reductase inhibitor on the progression of coronary atherosclerosis as assessed by serial quantitative arteriography. The Canadian Coronary Atherosclerosis Intervention Trial.
1994
BACKGROUND3-Hydroxy-3-methylglutaryl coenzyme A reductase inhibitors are widely prescribed for hyperlipidemia, yet their effect on the evolution of coronary atherosclerosis has not been defined.METHODS AND RESULTSTo address this issue, 331 patients with diffuse but not necessarily severe coronary atherosclerosis documented on a recent arteriogram and with fasting serum cholesterol between 220 and 300 mg/dL were enrolled in a randomized, double-blind, placebo-controlled trial. All patients received intensive dietary counseling. Lovastatin or placebo was begun at 20 mg/d and was titrated to 40 and 80 mg during the first 16 weeks to attain a fasting low-density lipoprotein (LDL) cholesterol < or = 130 mg/dL. The mean lovastatin dose was 36 mg/d. Coronary arteriography was repeated after 2 years. In 299 patients (90%), 3858 coronary segments containing 2309 stenoses were measured blindly on pairs of films with an automated computerized quantitative system. Total and LDL cholesterol decreased by 21 +/- 11% and...
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