Cost-effectiveness of Different Antiretroviral Treatment in Patients HIV Naive

Inclusion Criteria: * 1-negative pregnancy test in women of childbearing age * 2- stable HIV-1 infection clinically and not take antiretroviral therapy * 3- viral load HIV \<100,000 copies * 4- CD4 cells \>100 cels/mm3 * 5- Glomerular filtration \>70mlmin * 6- have a negative HLA B5701 * 7-.patients should have given informed written consent * 8- in the opinion of the investigator, be able to follow the design of the Protocol visits Exclusion Criteria: * 1-. Patients who had virologic failure with any antiretroviral therapy * 2- evidence of prior mutations of the study drugs * 3- use of any anti-retroviral treatment in the 6 months prior to the entry of the study * 4- contraindication to the drugs study * 5- any condition that does not allow to ensure the correct compliance to the study * 6- uncontrolled previous psychiatric illness * 7- Current or active addiction or alcoholism