Effects of 2 Initial Standard Antiretroviral Combinations Therapies on Lipid Metabolism

Inclusion Criteria: * Chronic HIV-1 infection * Age 18 or above * Antiretroviral-naive * Criteria for antiretroviral therapy in accordance with current guidelines * Plasma LDL-cholesterol below 190 mg/dL * Not receiving lipid-lowering agents * Written informed consent Exclusion Criteria: * Use of phytosterol-enriched food previous month. * Pregnancy or breastfeeding * Cardiovascular disease * Secondary Hypercholesterolemia * Plasma creatinine above 1,2 mg/dL) * Aminotransferases above 5 times ULN * Current treatment for hepatitis C coinfection * Diabetes mellitus (fasting glycemia \> 124 mg/dL) * Illegal drug use or alcohol abuse * Active AIDS-defining opportunistic disease