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Can a smartphone app help former inmates kick stimulants and prevent HIV?

NCT ID NCT07136363

Disease control Sponsor: University of Texas Southwestern Medical Center Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests a mobile app called DynamiCare, combined with a patient navigator, to help people recently released from jail or prison reduce their use of stimulants like methamphetamine or cocaine. The app uses at-home saliva tests and financial rewards to encourage healthy behaviors. The goal is to see if this approach helps participants start or restart HIV prevention (PrEP) or treatment (ART) and achieve viral suppression. This pilot phase will enroll 40 people to check if the program is feasible and acceptable.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
DynamiCare mobile app (contingency management platform) plus patient navigation
What this could lead to
If this works, it could provide a scalable, mobile way to help people leaving justice settings reduce stimulant use and improve HIV prevention or treatment.
What could go wrong
This is a very small pilot study (40 people) testing feasibility, not effectiveness. The app may not work well in this population, and results may not apply to everyone.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 40 people

The number the study aims to enrol. It can still change while the study runs.

Started

Jun 2026

Expected to finish

Jul 2027

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Be 18 years of age or older * Have a DSM-5 diagnosis of stimulant use disorder (methamphetamine and/or cocaine) * Be at risk for or living with HIV * Be transitioning to the community from a closed justice setting, such as: Jail Prison Justice-mandated residential substance use program * Be able to provide informed consent * Be willing and able to use a smartphone app (DynamiCare) Exclusion Criteria: * Severe medical or psychiatric disability making participation unsafe * Unable to provide consent or engage with the intervention

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Conditions

The condition(s) this trial relates to.

HIV infectious disease

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

HIV HIV prevention Justice involved populations Stimulant use disorder

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    2 sites. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Parkland County Hospital

    RECRUITING

    Dallas, Texas, 75235, United States

  • Yale University

    RECRUITING

    New Haven, Connecticut, 06520, United States

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