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Am Heart J. 2003 Nov;146(5):862-9.

Effect on high-density lipoprotein cholesterol of maximum dose simvastatin and atorvastatin in patients with hypercholesterolemia: results of the Comparative HDL Efficacy and Safety Study (CHESS).

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  • 1Baylor College of Medicine, Houston, Tex 77030, USA. cmb@bcm.tmc.edu

Abstract

BACKGROUND:

Previous studies have shown that effects on high-density lipoprotein cholesterol (HDL-C) may differ among statins.

METHODS:

A multicenter, randomized, double-blind, parallel-dose study was conducted in 917 hypercholesterolemic patients to compare the efficacy of 80 mg/d simvastatin versus 80 mg/d atorvastatin on HDL-C and apolipoprotein (apo) A-I for 24 weeks. Efficacy was assessed as the means of weeks 6 and 12 and weeks 18 and 24. Prespecified subgroups analyzed were patients with low HDL-C levels and with the metabolic syndrome.

RESULTS:

Simvastatin increased HDL-C and apo A-I values significantly more than did atorvastatin for the mean of weeks 6 and 12 (8.9% vs 3.6% and 4.9% vs -0.9%, respectively) and the mean of weeks 18 and 24 (8.3% vs 4.2% and 3.7% vs -1.4%). These differences were observed across both baseline HDL-C subgroups (<40 mg/dL, > or =40 mg/dL) and in patients with the metabolic syndrome. Low-density lipoprotein cholesterol and triglyceride reductions were greater with atorvastatin. Consecutive elevations >3x the upper limit of normal in alanine aminotransferase (ALT) and/or aspartate aminotransferase (AST) occurred in significantly fewer patients treated with simvastatin than with atorvastatin (2/453 [0.4%] vs 13/464 [2.8%]), with most elevations observed in women taking atorvastatin (11/209 [5.3%] vs 1/199 [0.5%] for simvastatin).

CONCLUSIONS:

Simvastatin (80 mg) increased HDL-C and apo A-I significantly more than did atorvastatin (80 mg) in patients with hypercholesterolemia. This advantage was observed regardless of HDL-C level at baseline or the presence of the metabolic syndrome. Significantly fewer consecutive elevations >3x the upper limit of normal in ALT and/or AST occurred in patients receiving simvastatin.

[PubMed - indexed for MEDLINE]
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