ArticleAddiction science & clinical practice2024
Protocol for a randomized controlled trial with a stepped care approach, utilizing PrEP navigation with and without contingency management, for transgender women and sexual minority men with a substance use disorder: Assistance Services Knowledge-PrEP (A.S.K.-PrEP).
Article in Addiction science & clinical practice, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT05934877 (Optimizing PrEP Implementation and Cost-effectiveness Among Sexual and Gender Minority Individuals With a Substance Use Disorder), which is not on this map. Cited by 3 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Optimizing PrEP Implementation and Cost-effectiveness Among Sexual and Gender Minority Individuals With a Substance Use Disorder
Who cites it
3 citing papers in PubMed.
- Microcosting the optimization of PrEP implementation among sexual and gender minority individuals with a substance use disorder.Addiction science & clinical practice · 2026Trial
- Defining HIV Pre-Exposure Prophylaxis (PrEP) Persistence: A Scoping Review.Journal of the International AIDS Society · 2026Article
- Advancing pre-exposure prophylaxis (PrEP) implementation for people who use drugs: an introduction to and lessons from the special series.Addiction science & clinical practice · 2025Article
Corrections and comments
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Authors and funding
10 authors.
Funding
Abstract
backgroundIn the United States, most (~ 70%) annual newly diagnosed HIV infections are among substance-using sexual minority men (SMM) and gender minority transgender women (trans women). Trans women and SMM are more likely to report or be diagnosed with a substance use disorder (SUD) than their cisgender or heterosexual counterparts and the presence of an SUD substantially increases the risk of HIV infection in both groups. Although Pre-Exposure Prophylaxis (PrEP) is highly effective, initiation, adherence, and persistence are exclusively behavioral outcomes; thus, the biomedical benefits of PrEP are abrogated by substance use. SUD is also associated with reduced quality-of-life, and increased overdose deaths, utilization of high-cost healthcare services, engagement in a street economy, and cycles of incarceration.
objectiveTo determine the optimal (considering efficacy and cost-effectiveness) strategy for advancement along the PrEP Care Continuum among trans women and SMM with an SUD.
methodsThis study will implement a randomized controlled trial, evaluating two Stepped Care approaches involving A.S.K.-PrEP vs. standard of care (SOC) to determine optimal intervention strategies for trans women and SMM with an SUD (N = 250; n = 83 trans women; n = 167 SMM) for advancement along the PrEP Care Continuum. Participants will be randomized (3:1) to Stepped Care (n = 187) or SOC (n = 63). Participants in the Stepped Care arm will be assessed at 3-months for intervention response; responders will be maintained in A.S.K.-PrEP, while non-responders will receive added attention to their SUD via Contingency Management (CM). Non-responders will be re-randomized (1:1) to either (a) receive A.S.K.-PrEP + CM, or (b) shift the primary focus to their SUD (CM alone).
resultsRecruitment and enrollment began in May 2023. Recruitment will span approximately 36 months. Data collection, including all follow-up assessments, is expected to be completed in April 2027. DISCUSSION: Trans women and SMM with an SUD have the two highest HIV prevalence rates in the United States, which underscores the urgent need for effective measures to develop scalable behavioral interventions that can encourage advancement along the PrEP Care Continuum. To improve public health, researchers must identify scalable and cost-effective behavioral interventions to promote PrEP initiation, adherence, and persistence among trans women and SMM who use substances.
trial registrationThis trial has been registered at ClinicalTrials.gov under the number NCT05934877.
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Registered trials
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