Phase 3 Study to Evaluate the Efficacy and Safety of Omega-3-acids Ethylesters 90 in Type Ⅱb Hyperlipidemia

Inclusion Criteria: * LDL≥160mg/dl, 200mg/dl≤TG\<500mg/dl * In the case of smokers, he agrees should be smoke-free * In the case of women of childbearing age, urine pregnancy test must be negative Exclusion Criteria: * Patients with acute artery disease within 3 months * History of revascularization procedure or aneurism operation within 6months * Patients with myopathy, rhabdomyolysis * Patients with pancreatitis * Patients with HIV positive * History of malignant tumor within 2 years * Patients must be treated with medications prohibited for concomitant use during study period * Patients with uncontrolled hypertension(SBP\>180mmHg or DBP\>110mmHg) * Serum Creatinine\>1.2mg/dl(female), \>1.4mg/dl(male) * AST or ALT \> 2X ULN * CPK \> 2X ULN * Patients with galactose intolerance or Lapp lactase deficiency, glucose-galactose malabsorption * Allergy or Hypersensitive to investigational drug * History of drug or alcohol abuse within 2 years * In the case of smokers, who do not intend to non smoking * Women with pregnant, breast-feeding * Patients treated with any investigational drugs within 1 month at the time consents are obtained * Not eligible to participate for the study at the discretion of investigator