Korean J Med.  2005 May;68(5):487-497.

The safety and efficacy of ezetimibe and simvastatin combination therapy in Korean patients with primary hypercholesterolemia

Affiliations
  • 1Department of Internal Medicine, College of Medicine, Seoul National University, Seoul, Korea. hyosoo@snu.ac.kr
  • 2Department of Internal Medicine, Sungkyunkwan University School of Medicine, Seoul, Korea.
  • 3Department of Internal Medicine, University of Ulsan College of Medicine, Seoul, Korea.

Abstract

BACKGROUND: The prevalence of hypercholesterolemia in Korea is growing. In spite of the wide use of HMG-CoA reductase inhibitors (statins), some patients don't reach optimal cholesterol reduction and suffer hepatotoxicity or myopathy. Combination therapy of lipid lowering agents, which inhibits hepatic synthesis of cholesterol (i.e. simvastatin) and intestinal cholesterol absorption (i.e. ezetimibe), may achieve further reduction of serum cholesterol levels and less drug side effects. This study assessed the safety and efficacy of the combination therapy with ezetimibe and simvastatin in Korean patients with primary hypercholesterolemia.
METHODS
This study was a randomized, double-blind, simvastatin controlled, multi-center trial. After 4 weeks of life style modification for cholesterol reduction, patients with a baseline low-density lipoprotein cholesterol (LDL-C) 145~250 mg/dL and triglyceride (TG) RESULTS
Ezetimibe plus simvastatin combination therapy significantly reduced LDL-C compared with simvastatin monotherapy (173.7 to 84.0 mg/dL, -50.9% vs. 172.6 to 109.9 mg/dL, -36.3%, p<0.001). Combination therapy reduced significantly total cholesterol (TC) and apolipoprotein B (ApoB) level, but changes of high-density lipoprotein cholesterol (HDL-C), apolipoprotein A1 (ApoA1) and lipoprotein (a) didn't show statistically significant difference between two groups. Combination therapy was well tolerated. Safety profiles in both groups were similar.
CONCLUSION
Ezetimibe plus simvastatin combination therapy reduced LDL-cholesterol level more than simvastatin monotherapy did in efficacy, and was well tolerated and comparable to simvastatin monotherapy in safety.

Keyword

Ezetimibe; Simvastatin; Hypercholesterolemia; Cholesterol

MeSH Terms

Absorption
Apolipoprotein A-I
Apolipoproteins
Cholesterol
Humans
Hydroxymethylglutaryl-CoA Reductase Inhibitors
Hypercholesterolemia*
Korea
Life Style
Lipoprotein(a)
Lipoproteins
Muscular Diseases
Prevalence
Simvastatin*
Triglycerides
Ezetimibe
Apolipoprotein A-I
Apolipoproteins
Cholesterol
Hydroxymethylglutaryl-CoA Reductase Inhibitors
Lipoprotein(a)
Lipoproteins
Simvastatin
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