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A smartphone app takes on heavy drinking and STIs in high-risk men

NCT ID NCT04552171

Completed Disease control Sponsor: Brown University Source: ClinicalTrials.gov ↗

First seen Jul 28, 2026 · Last updated Jul 29, 2026 · Updated 1 time

Summary

This trial tests whether a web-based app called Game Plan can help men who have sex with men reduce heavy drinking and sexually transmitted infections. Participants receive home HIV/STI self-testing kits and are randomly assigned to either a 24-hour helpline alone or the helpline plus the Game Plan app. The app helps users reflect on their alcohol use and sexual risk and make a personalized plan to cut back. The study tracks drinking patterns, STI diagnoses, and risky sexual behavior over a year.

What this could mean

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

Active substance
a web-based app called Game Plan that helps users reflect on their HIV risk and alcohol use and make a plan to reduce risky behaviors, plus a 24-hour helpline
What this could lead to
If effective, Game Plan could offer a scalable, low-cost way to reduce heavy drinking and STI risk among men who have sex with men, especially those not yet on PrEP.
What could go wrong
This is a behavioral intervention, so effects may be modest or short-lived. The trial relies on self-reported drinking and sexual behavior, which can be unreliable. Results may not generalize beyond the specific online-recruited population.

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Conditions

The condition(s) this trial relates to.

alcohol abuse bacterial sexually transmitted disease chlamydia trachomatis infectious disease prevention target gonorrhea prevention target HIV infectious disease prevention target syphilis prevention target

As listed by the trial registrant

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

ALCOHOL; HARMFUL USE SEXUALLY TRANSMITTED DISEASES, BACTERIAL

Contacts and locations

Locations

  • Brown University School of Public Health

    Providence, Rhode Island, 02901, United States

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