Main Partner Relationships and the HIV Care Cascade: Examining the Predictive Utility of Sexual Agreements, Partner Concordance, and Drug Use Among Sexual Minority Men Living With HIV in the USA.

SMM with seroconcordant partners and monogamous sexual agreements may experience diminished interpersonal motivation for HIV care engagement. HIV care cascade retention messages that emphasize the prevention of onward transmission may have limited relevance for these SMM. Novel intervention strategies are needed to enhance HIV care outcomes in this population, ideally ones that incorporate attention to drug use.