DOT Diary Mobile App for Pre-Exposure Prophylaxis Adherence in Young Men

Status Completed

Clinical Trial Summary

The researchers are working with a technology company, AiCure, to develop a smartphone app, DOT Diary, which combines two drug adherence strategies. DOT Diary reminds people when it is time to take their medication, and uses motion-sensing technology to visually and automatically confirm the pill was swallowed. The goal of this study is to assess the impact of the app on adherence to HIV pre-exposure prophylaxis (PrEP) for the prevention of HIV.

Clinical Trial Description

In the DOT Diary research project, the AiCure automated directly observed therapy (aDOT) smartphone app has been adapted for use in monitoring and supporting HIV pre-exposure prophylaxis (PrEP) use among young men who have sex with men (YMSM). The aDOT app uses automated directly observed therapy (DOT) that use the smartphone camera and artificial intelligence software to confirm that the right person is taking the right medication at the right time. A sexual diary has been integrated into the aDOT app to assist YMSM in understanding whether they are receiving protection from PrEP for individual sexual episodes, and when it is particularly important to take PrEP (e.g. after a sexual episode). Specifically, the sexual diary allows participants to track sexual encounters, sexual behaviors that occurred in each encounter, and rating characteristics of partners. The app provides a calendar displaying all days in which PrEP medication was taken, and all days in which sexual activity occurred, allowing participants to see coverage of sexual encounters with PrEP. Based on pharmacokinetic and pharmacodynamic data from prior PrEP trials, the app will also indicate the estimated level of protection achieved from PrEP (e.g. low, medium, high), and also provide personalized messages on the additional numbers of doses needed to maximize protection. In the next stage of app development and assessment, the researchers will conduct the DOT Diary Longitudinal Pilot to assess the impact of the app on PrEP adherence as measured by pharmacokinetic measures of PrEP use (tenofovir diphosphate [TFV-DP] and emtricitabine triphosphate [FTC-TP] levels in dried blood spots [DBS]). The researchers will also assess the concordance of TFV-DP and FTC-TP in DBS with adherence measured by DOT Diary, and the acceptability and ease of use of the app over a longer (24-week) period. This pilot study will allow evaluation and further refinement of the app in preparation for testing in a larger efficacy trial among YMSM at risk for HIV acquisition. The researchers will conduct this pilot protocol among YMSM in Atlanta and San Francisco Bay Area, two metropolitan regions heavily impacted by HIV, yet differing in sociodemographics, as well as in the availability and uptake of HIV prevention services, including PrEP. These diverse research locations will allow collection of data to inform app development among a broad group of YMSM. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03771638
Study type	Interventional
Source	Public Health Foundation Enterprises, Inc.
Contact
Status	Completed
Phase	Phase 4
Start date	February 1, 2019
Completion date	April 21, 2020

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