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Original Articles

Substance Use and Healthcare Utilization Across the Pre-Exposure Prophylaxis (PrEP) Care Cascade among Black and Latino Men Who Have Sex with Men

, , , , , , & show all
Pages 1698-1707 | Published online: 08 Aug 2022
 

Abstract

Background: Despite the documented efficacy of pre-exposure prophylaxis (PrEP) for HIV prevention, large disparities in uptake and adherence exist among Black and Latino/Hispanic men who have sex with men (BLMSM). Limited data exists among BLMSM on the impact of substance use at different stages of the PrEP Care Cascade. We examined the ways substance (alcohol, cannabis, other drug) use is related to PrEP experiences across the PrEP Care Cascade (PrEP aware/no use; PrEP use/discontinuation; PrEP use/adherent).

Methods: We utilized data from a national sample of 908 BLMSM (Mage = 25.17, range: 18–29), collected between February and October 2020.

Results: We found that heavier alcohol use, more other drug (e.g., cocaine) use, more participant healthcare utilization, and higher number of partners across all measures of substance use were separately associated with a lower likelihood of being aware of PrEP. These same factors were also associated with a higher likelihood of PrEP adherence. Conversely, only cannabis use was associated with discontinuation of PrEP use.

Conclusions: While we confirm some earlier findings (i.e., alcohol use is associated with both PrEP discontinuation and PrEP use), we newly identify cannabis as a barrier to the adherence of PrEP. Our findings highlight the need for improved PrEP interventions to increase awareness among BLMSM with substance use who are among the most at-risk for HIV infection.

Disclosure statement

The authors declare no conflicts of interest.

Ethical approval

The research presented uses research on human subjects; IRB approval was obtained from the University of Connecticut (IRB protocol #L19-030). The study was performed in accordance with the ethical standards as laid down in the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards

Informed consent

All participants provided electronic consent to participate in this study.

Additional information

Funding

This study was funded by the National Institutes of Drug Abuse grant (K01DA047918). The opinions expressed in this article are the author’s own and do not reflect the view of the National Institutes of Health.

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