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Circ J. 2009 Nov;73(11):2110-7. Epub 2009 Oct 5.

Effect of rosuvastatin on coronary atheroma in stable coronary artery disease: multicenter coronary atherosclerosis study measuring effects of rosuvastatin using intravascular ultrasound in Japanese subjects (COSMOS).

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1
Division of Cardiology, Nihon University School of Medicine, Tokyo, Japan.

Abstract

BACKGROUND:

It has been suggested that intensive lipid-lowering therapy using statins significantly decreases atheromatous plaque volume. The effect of rosuvastatin on plaque volume in patients with stable coronary artery disease (CAD), including those receiving prior lipid-lowering therapy, was examined in the present study.

METHODS AND RESULTS:

A 76-week open-label trial was performed at 37 centers in Japan. Eligible patients began treatment with rosuvastatin 2.5 mg/day, which could be increased at 4-week intervals to <or=20 mg/day. A total of 214 patients underwent intravascular ultrasound (IVUS) at baseline; 126 patients had analyzable IVUS images at the end of the study. The change in the serum low-density lipoprotein-cholesterol level from baseline to end of follow-up was -38.6 +/-16.9%, whereas that of high-density lipoprotein-cholesterol was +19.8 +/-22.9% (both P<0.0001). Percent change of plaque volume, the primary endpoint, was -5.1 +/-14.1% (P<0.0001).

CONCLUSIONS:

Rosuvastatin exerted significant regression of coronary plaque volume in Japanese patients with stable CAD, including those who had previously used other lipid-lowering drugs. Rosuvastatin might be useful in the setting of secondary prevention in patients with stable CAD.

PMID:
19801853
[Indexed for MEDLINE]
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