Eligibility criteria. Positive for anti-VIH antibodies, stable antiretroviral therapy including at least one PI for >= 3 months, plasma HIV-RNA level of < 50 copies/mL for >= 3 months before randomization, total cholesterol >= 5.5 mmol/L with LDL-cholesterol >= 3.4 mmol/L on fasting status after three months of standardized dietary advice, written informed consent