Anti-retroviral Therapy, Medications for Opioid Use Disorder, Opioids and HIV Infection - Study 1

Participants will receive a 48-week integrated treatment program for opiate use disorder with daily directly observed oral methadone syrup (MET), structured counseling sessions (BDRC-based) weekly for the first 3 months and monthly thereafter, and antiretroviral therapy.

Participants will receive a 48-week integrated treatment program for opiate use disorder with daily directly observed oral buprenorphine/naloxone tablets (Suboxone(R)), structured counseling sessions (BDRC-based) weekly for the first 3 months and monthly thereafter, and antiretroviral therapy.

Participants will receive a 48-week integrated treatment program for opiate use disorder with monthly extended-release naltrexone (Vivitrol(R)), structured counseling sessions (BDRC-based) weekly for the first 3 months and monthly thereafter, and antiretroviral therapy.