New app aims to make chemsex safer for gay men

NCT ID NCT06187415

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

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.

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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

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