MK0524A Clinical Efficacy Study (0524A-026)(COMPLETED)

Inclusion Criteria: * Patients must be between the ages of 18 and 70 years * Female patients must be pre-menopausal women that have been surgically sterilized, not pregnant and/or not planning to become pregnant Exclusion Criteria: * Patient has a history of peptic ulcer or gout * Patient is sensitive to niacin or products containing niacin * Patient drinks more than 2 alcoholic drinks per day * Patient has certain heart disease, cancer, or is HIV positive