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Clinical Trial Summary

The Pilot Test (AKA Study B) will entail a pilot randomized, controlled trial (RCT) of an mHealth behavioral intervention, LetSync, with 80 couples (N=160) to assess its acceptability, feasibility, and preliminary impact on retention in care and ART adherence as measured by antiretroviral concentrations in hair. Participants in the intervention arm will use LetSync v1.0 for 6 months and provide acceptability and feasibility data. In the ensuing 2 months, the investigators will make refinements based on participants' data to produce LetSync v2.0. Then, participants in the waitlist-control arm will receive LetSync v2.0, use it for 6 months, and provide acceptability and feasibility data. The intervention arm will continue using LetSync v1.0, for a total of 14 months. Based on acceptability and feasibility data from waitlist control arm participants between T3 and T4, the investigators will develop LetSync v3.0, which will be used for efficacy testing in a full RCT trial in the future.


Clinical Trial Description

n/a


Study Design


Related Conditions & MeSH terms


NCT number NCT04951544
Study type Interventional
Source University of California, San Francisco
Contact Judy Y Tan, Ph.D.
Phone 415-502-1000
Email judy.tan@ucsf.edu
Status Recruiting
Phase N/A
Start date March 15, 2023
Completion date February 2024

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