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New app aims to make chemsex safer for gay men

NCT ID NCT06187415

Knowledge-focused Sponsor: National Cheng Kung University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026

Summary

This study tested a mobile app designed to help gay, bisexual, and other men who have sex with men reduce the harms of chemsex—using drugs like ecstasy or crystal meth during sex. The app included features like a PrEP diary, facts to debunk chemsex myths, and alerts to emergency contacts. Twenty-five men who had used drugs in a sexual context in the past year tried the app and rated how easy it was to use. The goal was to see if the app could be a useful tool for safer chemsex practices.

What this could mean

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

Active substance
Mobile app with harm reduction features
What this could lead to
If successful, this app could offer a practical tool to help men who engage in chemsex reduce risks like overdose or HIV transmission.
What could go wrong
This was a very small, completed study with only 25 participants, so results may not apply broadly. The app's real-world impact on health outcomes was not measured.

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

25 people

The number who actually took part.

Started

Jan 2024

Finished

Jan 2025

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

Male participants only

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: * individuals need to have a history of drug use (ecstasy, ketamine, crystal methamphetamine, mephedrone, and/or GHB/GBL)in a sexualized context in the previous year * can read and understand chinese, * willing to communicate with the research team through the mobile messenger app Line. Exclusion criteria: * None

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Conditions

The condition(s) this trial relates to.

Harm Reduction

As listed by the trial registrant

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

Harm reduction

Contacts and locations

Locations

  • NationalCKU

    Tainan, Taiwan

More trials for these conditions

Other studies related to the condition(s) this trial covers.