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Phone apps aim to boost HIV prevention and curb meth use in at-risk men

NCT ID NCT07213258

Prevention Sponsor: University of California, San Diego 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Aug 27, 2026 · Updated 2 times

Summary

This study tests two smartphone tools to help HIV-negative men who have sex with men take their daily HIV prevention pill (PrEP) regularly and reduce methamphetamine use. One hundred men with mild to moderate meth use disorder will use the apps for 6 months. Researchers will check if the approach is practical and improves PrEP adherence.

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 100 people

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

Started

Apr 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 to 40 years

Sex

Male participants only

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: 1. HIV-negative 2. Cis-gender male 3. Age 18-40 years old 4. Mild or moderate MUD (by DSM-5 SCID criteria) 5. Anal intercourse with one or more male partners in the past 6 months 6. Started daily oral PrEP more than 30 days ago and self-reported not always taking PrEP as prescribed in the past 30 days (consistent with PrEP It! inclusion criteria) 7. Willingness to participate in an mHealth study with a 6-month follow-up 8. Residing in San Diego or San Francisco County Exclusion Criteria: 1. Residing outside of San Diego or San Francisco County 2. Any condition that, in the principal investigator's judgment interferes with safe study participation or adherence to study procedures 3. Not able/willing to complete virtual/remote visits 4. Not willing to learn to self-collect dried blood spots using a finger stick

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Conditions

The condition(s) this trial relates to.

methamphetamine dependence HIV infectious disease prevention target

As listed by the trial registrant

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

HIV Methamphetamine use disorder Prep adherence

How to take part

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

  1. The places running it

    1 site. 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

  • Center on Substance Use and Health

    RECRUITING

    San Francisco, California, 94102, United States

More trials for these conditions

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