The HPTN 094 Peer Navigation Model: Integration of Substance Use Treatment and HIV Prevention and Care for People Who Inject Drugs.

OBJECTIVES

To describe HPTN 094 study's peer navigation (PN) intervention, implemented in 5 urban US cities among people who inject drugs (PWID) at risk for or living with HIV, including guiding theories, core components, navigator training, available services, implementation challenges, and implications for future PN intervention research dissemination.

METHODS

This 2-arm, randomized, open-label study assessed outcomes for PWID receiving integrated care services delivered in a mobile health unit that provided medication for opioid use disorder (MOUD), HIV prevention/treatment, and other health care in addition to PN to community services compared with PN to community services alone. Participants were PWID with opioid use disorder (OUD) not receiving MOUD and were either at risk for HIV or living with HIV. The PN model was grounded in 5 complementary theories addressing individual, interpersonal, social, systemic, and structural determinants of care. Variables used to measure PN intervention utility were number of sessions attended, session length, session topics, and in-person versus remote navigation sessions.

RESULTS

Across study sites, participants without HIV (PWOH; n = 409) completed 3390 PN sessions and participants with HIV (PWH; n = 38) completed 365 PN sessions; the median number of sessions per participant was 6 in both groups. Most sessions were conducted in person and commonly addressed MOUD, HIV prevention or HIV care, and other medical or social service needs. These findings support the feasibility of delivering a flexible, theory-informed PN model for urban PWID and help characterize how peer navigation was used to address substance use, HIV, and broader service needs within HPTN 094.

CONCLUSIONS

The PN model is acceptable with urban PWID and potentially for people with other public health concerns in underserved communities. The findings have implications for future research examining the effectiveness and dissemination of the PN intervention.