Lancaster, Kathryn E and Kiriazova, Tetiana and Sarasvita, Riza and Bui, Quynh and Viet Ha, Tran and Dumchev, Kostyantyn and Susami, Hepa and Hamilton, Erica L. and Hershow, Rebecca B. and Metzger, David and Hoffman, a, Irving F. and Latkin, Carl A. and Miller, William C and Rose, Scott and F. Go, Vivian DESIGNING AN INDIVIDUALLY TAILORED MULTILEVEL INTERVENTION TO INCREASE ENGAGEMENT IN HIV AND SUBSTANCE USE TREATMENT AMONG PEOPLE WHO INJECT DRUGS WITH HIV: HPTN 074. DESIGNING AN INDIVIDUALLY TAILORED MULTILEVEL INTERVENTION TO INCREASE ENGAGEMENT IN HIV AND SUBSTANCE USE TREATMENT AMONG PEOPLE WHO INJECT DRUGS WITH HIV: HPTN 074.