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Wednesday, June 20, 2007

ezetimibe/simvastatin versus simvastatin versus atorvastatin

1: Am J Cardiol. 2007 Jun 15;99(12):1706-1713. Epub 2007 May 2. Related Articles, Links


Comparison of effects of ezetimibe/simvastatin versus simvastatin versus atorvastatin in reducing C-reactive protein and low-density lipoprotein cholesterol levels.

Pearson T, Ballantyne C, Sisk C, Shah A, Veltri E, Maccubbin D.

University of Rochester School of Medicine and Dentistry, Rochester, New York.

The lowering effects of ezetimibe/simvastatin combination therapy on low-density lipoprotein (LDL) cholesterol and high-sensitivity C-reactive protein (CRP) were compared with those of simvastatin or atorvastatin monotherapy in a large cohort of patients with primary hypercholesterolemia. To compare ezetimibe/simvastatin with simvastatin, data were combined from 3 identical, prospective 12-week trials in which patients were randomized to receive placebo; ezetimibe 10 mg; ezetimibe 10 mg added to simvastatin 10, 20, 40, or 80 mg; or simvastatin 10, 20, 40, or 80 mg. To compare ezetimibe/simvastatin with atorvastatin, data were analyzed from a phase III double-blind, active-controlled study in which patients were randomized equally to receive ezetimibe/simvastatin 10/10, 10/20, 10/40, or 10/80 mg or atorvastatin 10, 20, 40, or 80 mg for 6 weeks. When averaged across doses, ezetimibe/simvastatin produced significantly greater reductions compared with simvastatin alone in LDL cholesterol (52.5% vs 38.0%, respectively) and CRP levels (31.0% vs 14.3%, respectively). At each individual simvastatin dose, co-administration with ezetimibe produced significant further CRP reductions versus simvastatin alone. Ezetimibe/simvastatin was significantly more effective at lowering LDL cholesterol than atorvastatin when pooled across doses (53.4% vs 45.3%, respectively) and in each milligram-equivalent dose comparison. Reductions in CRP of similar magnitude were observed with ezetimibe/simvastatin and atorvastatin when averaged across doses and at each milligram-equivalent statin dose comparison. In conclusion, the lipid-modulating and anti-inflammatory effects of ezetimibe/simvastatin provide additional benefits not realized by statin monotherapy alone.

PMID: 17560879 [PubMed - in process]

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