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Usual Dose Rosuvastatin Plus Ezetimibe Versus High-dose Rosuvastatin on Coronary Atherosclerotic Plaque — Rosuzet-IVUS  

Coronary Artery Disease Clinical Trial

Official title:
The Effect of Usual Dose Rosuvastatin Plue Ezetimibe Versus High-dose Rosuvastatin on Coronary Atherosclerotic Plaque: A Randomized Controlled Trial

Clinical Trial Summary

The aim of this prospective, open-label, randomized, single center study is to compare the effect of usual dose rosuvastatin plus ezetimibe and high-dose rosuvastatin on modifying atherosclerotic plaque.

Clinical Trial Description

High-intensity statin therapy have shown improved clinical outcomes compared to placebo or moderate-intensity statin therapy. Based on these results, 2013 American College of Cardiology/American Heart Association(ACC/AHA) guideline on treatment of blood cholesterol to reduce atherosclerotic cardiovascular risk in adults recommended high-intensity statin therapy to patient with coronary artery disease for secondary prevention. However, high-intensity statin therapy was known to increase risk of diabetes mellitus and complication such as hepatotoxicity and myalgia. An alternative to high-intensity statin therapy is reducing the dose of statin and using drug that can improve blood cholesterol level by a different mechanism than statin. Ezetimibe acts on Niemann-Pick C1-like protein then inhibits cholesterol absorption in the intestine, which can reduce low-density lipoprotein(LDL) cholesterol more effectively when administered with statin. In IMPROVE-IT study, simvastatin plus ezetimibe decreased ischemic events more than simvastatin alone in patients with acute coronary syndrome. Although this study could confirm the additional effect of ezetimibe by using the same amount of simvastatin in both groups, it could not compare the effect of statin plus ezetimibe and high dose statin monotherapy. Moreover, there were few data on the efficacy of ezetimibe added to rosuvastatin which is one of the effective statin recommended by various guidelines. One study reported that rosuvastatin 2.5 mg plus ezetimibe 10 mg was superior to rosuvastatin 5 mg monotherapy in reducing LDL cholesterol. Another study reported that adding rosuvastatin 5 mg to ezetimibe 10 mg was more effective than rosuvastatin 5 mg alone in reducing coronary atherosclerotic lesions as measured by intravascular ultrasound. However, the previous studies did not compare the efficacy of combination therapy of usual dose rosuvastatin and ezetimibe to high-dose statin monotherapy. Therefore, investigators aimed to compare the effect of rosuvastatin 10 mg plus ezetimibe 10 mg to rosuvastatin 20 mg alone on the reduction of coronary atherosclerosis in patient with coronary artery disease. If this study shows that the combination of usual dose rosuvastatin and ezetimibe is not inferior to high dose rosuvastatin monotherapy in anti-atherosclerotic effect and safety, it would provide a basis for effective and safe cholesterol treatment. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT03169985
Study type Interventional
Source Samsung Medical Center
Contact Joo-Yong Hahn, MD, PhD
Phone 82-2-3410-6653
Email ichjy1@gmail.com
Status Recruiting
Phase Phase 4
Start date July 12, 2017
Completion date December 31, 2024
View Details
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