The purpose of this study is to evaluate the effect of gemcabene on HDL-C, LDL-C, TG, and other lipid levels in patients with low HDL-C

Inclusion Criteria:

• Men or naturally postmenopausal or surgically menopausal women
• 18 to 80 years of age
• Baseline HDL-C <35 mg/dL (0.9 mmol/L)

Exclusion Criteria:

• Creatine phosphokinase (CPK) >3 × the upper limit of normal (ULN)
• Body Mass Index (BMI) >35 kg/m2
• Uncontrolled Hypertension >95 mm Hg
• Uncontrolled diabetes mellitus (HbA1c >10%)
• Renal dysfunction (blood urea nitrogen [BUN] or creatinine >2 × ULN);
• Hepatic dysfunction (aspartate aminotransferase [AST] or alanine aminotransferase [ALT] >2 × ULN)
• Uncontrolled hypothyroidism (TSH >1.5 × ULN)
• Myocardial infarction, severe or unstable angina pectoris, coronary angioplasty, coronary artery bypass graft, or any other major cardiovascular event resulting in hospitalization in previous 3 months