CI

At a glance

ClinicalIndex Comparison Record
N/ACompleted· 239 enrolled
Drug / intervention
PARTI +2 morebehavioral
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT04899024
NCT04899024N/ACompleted

Optimizing PrEP Adherence in Sexual Minority Men Who Use Stimulants

Florida International University·interventional·Posted May 24, 2021·Updated May 7, 2026

In Brief

A clinical study evaluating PARTI, Attention-Control, and 1 other intervention for Medication Adherence and 2 related conditions. Completed, enrolled 239 participants across 2 sites.

Detailed Summary

This multi-site randomized controlled trial enrolling sexual minority men who use stimulants and are currently taking pre-exposure prophylaxis (PrEP). This randomized controlled trial will test the efficacy of a PrEP Affect Regulation Treatment Innovation (PARTI) condition comprised of a 5-session positive affect intervention delivered during smartphone-based Contingency Management (CM) for directly observed PrEP doses (PARTI+CM) compared to an attention-control condition delivered during CM. The primary outcome is HIV acquisition risk measured using a combination of tenofovir-diphosphate levels in dried blood spots that are indicative of sub-optimal adherence to PrEP and recent condomless anal sex.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesUnited States

Timeline

N/ACompletedFinished
20222023202420252026
First PostedMay 24, 2021
Enrollment StartJan 31, 2022
Primary CompletionFeb 1, 2026
TodayJul 2, 2026
Enrollment to primary: 4 yearsPosted 5.1 years ago

Interventions

PARTIbehavioral

PARTI will provide positive affect skills. Each 1-hour session delivered via Zoom consists of a didactic portion with in vivo skills practice and participants are asked to complete home practice of the skills between sessions. Many sessions include formal exercises that have been utilized in Mindfulness-Based Relapse Prevention to cultivate mindfulness and meta-cognitive awareness.

Attention-Controlbehavioral

Attention-Control will provide a core set of coping and affect measures as well as neutral writing exercises. Each 1-hour attention-control session will be administered via Zoom.

Contingency Management for PrEP Adherencebehavioral

Participants will complete a 12-week contingency management protocol via their smartphone that consists of uploading brief videos taking PrEP medications up to four times per week. Total possible contingency management incentive for completing 48 observed PrEP doses is $360.