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

  • STATUS
    Recruiting
  • End date
    Dec 31, 2024
  • participants needed
    280
  • sponsor
    Samsung Medical Center
Updated on 18 November 2021
stenosis
heart disease
intravascular ultrasound
rosuvastatin
ezetimibe

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.

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.

Details
Condition Myocardial Ischemia, Coronary heart disease, Cardiac Ischemia, Coronary Artery Disease
Treatment Rosuvastatin 10 mg plus ezetimibe 10 mg orally once a day, Rosuvastatin 20 mg orally once a day
Clinical Study IdentifierNCT03169985
SponsorSamsung Medical Center
Last Modified on18 November 2021

Eligibility

Yes No Not Sure

Inclusion Criteria

Among patients who undergo CAG for suspected ischemic heart disease and meet all of the followings
Moderate stenosis (30-70%) in coronary artery
Deferred to medical treatment based on physiologic (FFR, CFR, IMR) or radiologic (IVUS with or without OCT) evaluation
Agreement obtained by participant

Exclusion Criteria

Severe renal failure(glomerular filtration rate < 30 ml/min/1.73m2, hemodialysis or peritoneal dialysis)
Active liver disease
Patient taking Niacin or fibrate(if possible, patient can be enrolled to the study after stopping those medication)
Medical or family history of myositis, unexplained CK elevation > 3 times ULN at first visit
Life expectancy < 2 years (judged by investigator)
Coadministration of cyclosporine
Untreated hypothyroidism
Patient with poor compliance including alcohol abuse
History of hypersensitivity including myotoxicity for either statin or ezetimibe
Pregnant or breast-feeding woman
Other conditions inappropriate for enrollment by investigator
Eligible patients will be randomly assigned to treatment arms, stratified by diagnosis on admission(acute coronary syndrome or stable ischemic heart disease) and presence of chronic statin use (more than one month)
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