Immune Activation Markers in HIV-infected Patients Switching to Long Acting Dual Therapy

Inclusion Criteria: * Patients agreeing to participate to the study and to collect their data * HIV-1 infected subjects * Patients switching from a stable (at least 6 months) and successful triple cART to a long acting dual cART * Patients older than 18 yrs and regularly followed in Cannes and Nice hospitals * Patients with a healthcare card Exclusion Criteria: * HIV-2 infected subjects * Patients not being on successful and stable cART * Patients having being treated during acute HIV-infection * Patients modifying cART for virological failure * Subjects modifying their treatment for another combination than from a triple cART to a dual cART * Patients modifying cART during the 6 months of follow-up * Patients refusing to participate to the study * Patients included in an interventional study during the 6 months of follwo-up * Patient under juridical procedure