People & Place: Impacts on Substance Use and HIV Outcomes in Los Angeles

This study will implement an adapted peer navigation intervention to improve linkage to and retention in HIV care for people living with HIV who experience substance use within Los Angeles County.

Inclusion Criteria: * Living with HIV * Assigned male sex at birth * Willing to return for follow-up study visits every six months as long as the study is ongoing and be available to return for all study visits, barring unforeseen circumstances * Willing and able to provide written informed consent to take part in the study * Willing and able to provide adequate information for locator purposes * Willing to undergo repeat HIV viral load testing at select study visits * Willing to undergo substance use testing at each study visit Exclusion Criteria: * Born biologically female * Unwilling or unable to provide reliable contact information * Unwilling to provide urine or blood * Any other condition or prior therapy that, in the opinion of the research staff would preclude informed consent, make study participation unsafe, make the individual unsuitable for the study or unable to comply with the study requirements. Such conditions may include, but are not limited to, renal, hepatic, hematological, gastrointestinal, endocrine, pulmonary, neurological, or cerebral disease, among others