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The purpose of this study is:
- To identify the common factor for L5 prevalence in patients with Metabolic Syndrome.
- To determine whether Ezetimibe, Simvastatin, and Vytorin can correct the L5- promoting factor and reduce L5 in Metabolic Syndrome patients.
Epidemiological evidence indicates that metabolic syndrome (MS) is a strong predisposing condition for atherosclerosis. Elevation of plasma low-density lipoprotein (LDL) cholesterol(LDL-C) concentration is the most important risk factor for atherosclerosis; however, LDL-C elevation is not a criterion for metabolic syndrome, raising the question of LDL's role in the syndrome's association with atherosclerosis. L5, a highly electronegative and mildly oxidized LDL subfraction that we recently isolated from hypercholesterolemic human plasma, may provide a key to answering this question. In cultured vascular endothelial cells (EC), L5 inhibits proliferation and induces apoptosis and monocyte-EC adhesion. In our preliminary studies, L5 could also be detected in patients with MS without elevated LDL-C. Because other LDL subfractions were harmless to EC, the presence of MS-L5 prompted us to hypothesize that the atherogenic role of LDL is not solely determined by plasma LDL-C concentration, but more importantly, by its composition. The proposed study is designed to test this hypothesis. The first question we will address is what lipid factor determines the prevalence of L5 in MS.
Subsequently, we will examine whether treatment with selected medicines can effectively reduce L5 in MS patients by correcting the factor favorable for L5 formation.
We are in the process of identifying the active components of L5 to fully characterize the atherogenic role of L5 in MS,. In the current proposal, we focus our interest on the efficacy of Ezetimibe, Simvastatin, and Vytorin in reducing L5 from the plasma of MS patients.
Allocation: Randomized, Control: Placebo Control, Endpoint Classification: Efficacy Study, Intervention Model: Factorial Assignment, Masking: Double Blind (Subject, Caregiver), Primary Purpose: Treatment
Simvastatin, Vytorin, Placebo, Ezetimibe
Baylor College of Medicine
Not yet recruiting
Baylor College of Medicine
Published on BioPortfolio: 2014-08-27T03:18:54-0400
The investigators hypothesize that vytorin will improve insulin resistance compared with simvastatin
To determine whether the combination of ezetimibe and simvastatin improves biomarkers of atherothrombosis compared to simvastatin alone in patients with the metabolic syndrome.
A Multicenter, Randomized, Open Label Study to Evaluate the Lipid Lowering Efficacy and Safety of Vytorin® 10/20 vs. Atorvastatin 10mg in Hypercholesterolemia Patients With Metabolic Syndrome in Korea
Prevalence of metabolic syndrome in korea is increasing. There is no clinical trial targeting on such increasing populations like metabolic syndrome patients with Vytorin® in korea. There...
The purpose of this study is to investigate whether low-dose simvastatin in combination with ezetimibe in comparison to high-dose simvastatin alone, has a beneficial effect on the function...
The purpose of this study is to compare the efficacy of a Vytorin 10/80 tablet, an approved agent for the treatment of elevated LDL cholesterol which combines the cholesterol absorption in...
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The objective of this study was to evaluate the relationship between educational level as a surrogate marker of socioeconomic status and the risk of developing metabolic syndrome (MetS).
A pharmaceutical preparation of ezetimibe and simvastatin that is used in the treatment of HYPERCHOLESTEROLEMIA and HYPERLIPIDEMIAS.
A cluster of metabolic risk factors for CARDIOVASCULAR DISEASES and TYPE 2 DIABETES MELLITUS. The major components of metabolic syndrome X include excess ABDOMINAL FAT; atherogenic DYSLIPIDEMIA; HYPERTENSION; HYPERGLYCEMIA; INSULIN RESISTANCE; a proinflammatory state; and a prothrombotic (THROMBOSIS) state. (from AHA/NHLBI/ADA Conference Proceedings, Circulation 2004; 109:551-556)
ANGINA PECTORIS or angina-like chest pain with a normal coronary arteriogram and positive EXERCISE TEST. The cause of the syndrome is unknown. While its recognition is of clinical importance, its prognosis is excellent. (Braunwald, Heart Disease, 4th ed, p1346; Jablonski Dictionary of Syndromes & Eponymic Diseases, 2d ed). It is different from METABOLIC SYNDROME X, a syndrome characterized by INSULIN RESISTANCE and HYPERINSULINEMIA, that has increased risk for cardiovascular disease.
Misunderstanding among individuals, frequently research subjects, of scientific methods such as randomization and placebo controls.
A condition of metabolic imbalance that is caused by complications of initially feeding a severely malnourished patient too aggressively. Usually occurring within the first 5 days of refeeding, this syndrome is characterized by WATER-ELECTROLYTE IMBALANCE; GLUCOSE INTOLERANCE; CARDIAC ARRHYTHMIAS; and DIARRHEA.
Blood is a specialized bodily fluid that delivers necessary substances to the body's cells (in animals) – such as nutrients and oxygen – and transports waste products away from those same cells. In vertebrates, it is composed of blo...