Begin With The Right Patients With Dual-Inhibition Action Therapy Through Vytorin for Newly Diagnosed Dyslipidemia Patients (0653A-172)(COMPLETED)

Inclusion Criteria: * Male Or Female Patient, 20 Through 79 Years Of Age * Newly Diagnosed Dyslipidemia Patients Including: 1) Intermediate Risk (\>2 Risk Factors) With Total Cholesterol level above 200 mg/dL Or Low Density Lipoprotein-C (LDL-C) level\> 130 mg/dLwho failed a 3-Month diet control period, or 2) High Risk Patients with history of Coronary artery disease Or diabetes and having a total Cholesterol\> 200 mg/dL Or LDL-C level\> 130 mg/dL * Willing To Follow An National Cholesterol Education Program (NCEP) Therapeutic Lifestyle Changes (TLC) Or Similar Cholesterol-Lowering Diet For The Duration Of The Study * Female Patients Receiving Hormone Therapy (Including Hormone Replacement Therapy, And Estrogen Antagonist/Agonist, Or Oral Contraceptives) If Maintained On A Stable Dose And Regimen For At Least 8 Weeks Prior To Visit 1 And If Willing To Continue The Same Regimen Throughout The Study Exclusion Criteria: * Women Who Are Pregnant Or Lactating * Has A History Of Cancer Within The Past 5 Years (Except For Dermatological Basal Cell Or Squamous Cell Carcinoma) * Patients Hypersensitive To Simvastatin Or Ezetimibe * Any Condition Or Situation Which, In The Opinion Of The Investigator, Might Pose A Risk To The Patient Or Confound The Results Of The Study * History Of Mental Instability, Drug/Alcohol Abuse Within The Past 5 Years, Or Major Psychiatric Illness Not Adequately Controlled By Pharmacotherapy * Nephritic Syndrome Or Other Clinically Significant Renal Disease Resulting In Impaired Renal Function, Defined As Serum Creatinine ≧ 1.5 Mg/Dl * Alanine Aminotransferase (ALT), And Aspartate Aminotransferase (AST) above 1.5 X Upper Limit Of Normal (Uln) Or With Active Liver Disease * Congestive Heart Failure (New York Heart Association (NYHA) III Or IV), Uncontrolled Cardiac Arrythmias, Uncontrolled Hypertension (Systolic Blood Pressure (SBP) \>160 mm Hg Or Diastolic Blood Pressure (DBP) \>100 mm Hg), Unstable Angina Pectoris Or Severe Peripheral Artery Disease, Or Experienced Myocardial Infarction, Coronary Artery Bypass Surgery, Angioplasty Within 3 Months * Unstable Diabetes Mellitus Patient (Hemoglobin A1c (HbA1c) \> 8.5%) Or Newly Diagnosed (Within 3 Months) Or A Change In Anti-Diabetic Pharmacotherapy Within 3 Months Of Screening * Secondary Dyslipidemia (E.G., Hypothyroidism) * Disorders Of The Hematologic, Digestive, Or Central Nervous Systems Including Cerebrovascular Disease And Degenerative Disease That Would Limit Study Evaluation Or Participation * History Of Active Or Chronic Hepatobiliary Disease Or Cholelithiasis But Have Not Undergone Cholecystectomy