Inclusion Criteria:  HIV-1 infected men or women Aged 18-65 Stable insurance plan Documented plasma HIV-1 RNA < 50 c/mL x 2 within the last year prior to screening Must be on a stable ARV regimen for ≥6 months prior to screening CD4+T-cell count<350 cells/mm3 while on ARVs for at least 2 years Must be willing to add FTR 600 mg twice daily to their current antiretroviral regimen Must have attended ≥ 2 clinic visits in the 12 months prior to screening  Exclusion Criteria:  Newly or recently diagnosed HIV-1 infection defined as HIV-1 infection diagnosed in the prior 6 months Active HBV or HCV co-infection Unstable liver disease or Child-Pugh C liver disease History of autoimmune disease History of any malignancy ≤5 years History of radiation or cytotoxic chemotherapy Use of systemic corticosteroids or other immunomodulatory agents in the last 14 days prior to study entry Confirmed QT value > 500 msec at Screening or Day 1 or confirmed QTcF value > 470 msec for women and > 450 msec for men at Screening or Day 1