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Feasibility of Implementing a Low-Barrier Long-Acting Injectable Antiretroviral Program for HIV Treatment & Prevention for People Experiencing Homelessness.
Journal of Acquired Immune Deficiency Syndromes : JAIDS 2024 Februrary 9
BACKGROUND: Long-acting (LA) antiretrovirals may provide meaningful benefit to people who use drugs and people experiencing homelessness (PEH) who face disproportionate structural and psychosocial barriers in adhering to daily oral HIV antiretroviral therapy (ART) or pre-exposure prophylaxis (PrEP), but their use in these populations has not been studied.
SETTING: The Maria X. Martinez Health Resource Center is a low-barrier (e.g., no appointment) community-based clinic serving San Francisco PEH.
METHODS: A multidisciplinary care model with robust monitoring and outreach support was developed to provide LA-ART and LA-PrEP to eligible patients experiencing difficulties adhering to oral antiretrovirals. Feasibility was assessed by evaluating rates of HIV viremia and on-time injections among patients receiving LA antiretrovirals over the first 24 months of program implementation.
RESULTS: Between November 2021 and November 2023, 33 patients initiated LA-ART or LA-PrEP (median age, 37 years; 27% transgender/non-binary; 73% non-White; 27% street homeless; 52% sheltered homeless; 30% with opioid use disorder; 82% with methamphetamine use disorder). Among 18 patients with HIV, 14 initiated LA-ART injections with detectable viremia (median CD4 count, 340 cells/mm3; mean log10 viral load, 3.53; standard deviation [SD], 1.62), eight had never previously been virally suppressed, and all but one achieved or maintained virologic suppression (mean, 9.67 months; SD, 8.30). Among 15 LA-PrEP patients, all remained HIV-negative (mean, 4.73 months; SD, 2.89). Of 224 injections administered total, 8% were delayed >7 days.
DISCUSSION: The implementation of LA antiretrovirals is feasible in low-barrier, highly supportive clinical settings serving vulnerable PEH. Expansion of such programs will be critical to Ending the HIV Epidemic.
SETTING: The Maria X. Martinez Health Resource Center is a low-barrier (e.g., no appointment) community-based clinic serving San Francisco PEH.
METHODS: A multidisciplinary care model with robust monitoring and outreach support was developed to provide LA-ART and LA-PrEP to eligible patients experiencing difficulties adhering to oral antiretrovirals. Feasibility was assessed by evaluating rates of HIV viremia and on-time injections among patients receiving LA antiretrovirals over the first 24 months of program implementation.
RESULTS: Between November 2021 and November 2023, 33 patients initiated LA-ART or LA-PrEP (median age, 37 years; 27% transgender/non-binary; 73% non-White; 27% street homeless; 52% sheltered homeless; 30% with opioid use disorder; 82% with methamphetamine use disorder). Among 18 patients with HIV, 14 initiated LA-ART injections with detectable viremia (median CD4 count, 340 cells/mm3; mean log10 viral load, 3.53; standard deviation [SD], 1.62), eight had never previously been virally suppressed, and all but one achieved or maintained virologic suppression (mean, 9.67 months; SD, 8.30). Among 15 LA-PrEP patients, all remained HIV-negative (mean, 4.73 months; SD, 2.89). Of 224 injections administered total, 8% were delayed >7 days.
DISCUSSION: The implementation of LA antiretrovirals is feasible in low-barrier, highly supportive clinical settings serving vulnerable PEH. Expansion of such programs will be critical to Ending the HIV Epidemic.
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