The effect of simvastatin on progression of coronary artery disease. The Multicenter coronary Intervention Study (CIS)


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The effect of simvastatin on progression of coronary artery disease. The Multicenter coronary Intervention Study (CIS)
European Heart Journal
Bestehorn  H. P., Rensing  U. F., Roskamm  H., Betz  P., Benesch  L., Schemeitat  K., Blumchen  G., Claus  J., Mathes  P., Kappenberger  L., Wieland  H., Neiss  A.
0195-668X (Print)
Statut éditorial
Date de publication
Clinical Trial
Comparative Study
Journal Article
Multicenter Study
Randomized Controlled Trial --- Old month value: Feb
BACKGROUND: In several angiographic trials, HMG-CoA reductase inhibitors have shown a beneficial effect on the progression of coronary artery disease. Using 20 mg simvastatin, day-1, a treatment period of up to 4 years was necessary to show a significant reduction in coronary artery disease progression. The question remains however whether higher dosages of simvastatin would be more advantageous in respect to the magnitude of the effect and the required time interval to demonstrate treatment efficacy. METHODS AND RESULTS: In the Coronary Intervention Study (CIS), a multicentre randomized double-blind placebo-controlled study, the effects of lipid-lowering therapy with simvastatin on progression of coronary artery disease in 254 men with documented coronary artery disease and hypercholesterolaemia were investigated. Following a period of lipid-lowering diet, treatment with 40 mg simvastatin or placebo was maintained for an average of 2.3 years. Two primary angiographic endpoints were chosen: the global change score (visual evaluation according to the method of Blankenhorn) and the per patient mean change of minimum lumen diameter (evaluated by the CAAS I system). The mean simvastatin dose was 34.5 mg day-1. In the placebo group, the serum lipids remained unchanged; in comparison to the placebo group the simvastatin group showed a 35% LDL-cholesterol decrease. Coronary angiography was repeated in 205 patients (81%) and 203 film pairs (80%,) were evaluable by quantitative coronary angiography. In the simvastatin and placebo groups, the mean global change scores were +0.20 and +0.58 respectively, demonstrating a significantly slower progression of coronary artery disease in the treatment group (P = 0.02). The change in minimum lumen diameter assessed by computer-assisted quantitative evaluation with the CAAS I system was -0.02 mm in the simvastatin group and -0.10 mm in the placebo group (P = 0.002). In the simvastatin group, there was a significant correlation between the LDL cholesterol levels achieved therapeutically and the per patient mean loss of minimum lumen diameter (r = 0.29; P = 0.003). During the study period, there was no significant difference in the incidence of serious cardiac events (15 of 129 patients in the simvastatin group and 19 of 125 patients in the placebo group, ns). CONCLUSION: Treatment with 40 mg simvastatin day-1 reduces serum cholesterol and slows the progression of coronary artery disease significantly within a short period of treatment time. In the treatment group, retardation of progression is inversely correlated to the LDL-cholesterol levels achieved.
Adult Anticholesteremic Agents/administration & dosage/*therapeutic use Cholesterol, LDL/blood/drug effects Coronary Disease/blood/*physiopathology Disease Progression Dose-Response Relationship, Drug Double-Blind Method Follow-Up Studies Humans Hypercholesterolemia/blood/*drug therapy/physiopathology Lovastatin/administration & dosage/*analogs & derivatives/therapeutic use Male Middle Aged Prospective Studies Simvastatin Treatment Outcome
Web of science
Création de la notice
15/02/2008 11:29
Dernière modification de la notice
20/08/2019 13:45
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