Harm Reduction Strategies for Gay, Bisexual and Other Men Who Have Sex With Men Engaging in Chemsex

NCT06187415 | Completed Results

• 1 other identifier: HarmReductionAPPService
• Study Type: interventional
• Target: 25
• Locations: 1 country
• Sites: 1

Brief Summary

This study is examining the usability and effectiveness of an innovative mobile app that integrates harm reduction strategies into the existing pre-exposure prophylaxis (PrEP) intake and adherence app, with an overarching goal to reduce the potentially negative consequences of problematics chemsex behavior for individuals and communities.

Conditions

Harm Reduction

Outcome Measures

Primary Outcomes (1)

• Usability of the App

  Scores on the translated version of the mHealth App Usability questionnaire (MAUQ) was used to assess usability. Responses to the statements on the questionnaire ranged from 1(strongly agree) to 7 (strongly disagree). The questionnaire is the total score of each item divided by the number of items. The closer the mean value is to 1, the higher the app's usability will be.

  1 month

Study Arms (1)

The harm reduction mobile app

EXPERIMENTAL

Participants in the intervention arm will receive access to all the app functions. The primary features of the app include PrEP taking diary, setting harm reduction goals, providing location of needle and syringe services program, providing accurate information on chemsex urban legends, and sending alerts to emergency contact in case of intoxication.

Behavioral: Mobile app to reduce harm of chemsex

Interventions

Mobile app to reduce harm of chemsex BEHAVIORAL

Access to the mobile app which includes PrEP diary, demistification of chemsex urban legends, information on the location of needle and syringe services program, and alert sending to emergency contact.

The harm reduction mobile app

Eligibility Criteria

• Age: 18 Years+
• Gender Eligibility Details: chemsex engaging individuals aged 18 years or older that are cisgender men or transgender female who have sex with men are eligible for the study.
• Healthy Volunteers: Yes
• Age Groups: Adult (18-64), Older Adult (65+)

You may qualify if:

• 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.

You may not qualify if:

• None

Sponsors & Collaborators

• Healing, Empowerment, Recovery of Chemsex (HERO) integrated care clinic: collaborator
• National Cheng Kung University: lead

Study Sites (1)

NationalCKU

Tainan, Taiwan

Location

MeSH Terms

Conditions

Harm Reduction

Condition Hierarchy (Ancestors)

Behavior

Results Point of Contact

• Title: Professor Carol Strong
• Organization: National Cheng Kung University

Carol.chiajung@gmail.com

+886-6-2353535

Study Officials

• Carol Strong, PhD

  National Cheng Kung University

  PRINCIPAL INVESTIGATOR

Publication Agreements

• PI is Sponsor Employee: No
• Restrictive Agreement: No

Study Design

• Study Type: interventional
• Phase: not applicable
• Allocation: NA
• Masking: NONE
• Purpose: SUPPORTIVE CARE
• Intervention Model: SINGLE GROUP
• Sponsor Type: OTHER
• Responsible Party: PRINCIPAL INVESTIGATOR
• PI Title: Associate Professor

Study Record Dates

• First Submitted: November 30, 2023
• First Posted: January 2, 2024
• Study Start: January 1, 2024
• Primary Completion: January 8, 2025
• Study Completion: January 15, 2025
• Last Updated: June 1, 2026
• Results First Posted: June 1, 2026

Record last verified: 2026-05

Data Sharing

• IPD Sharing: Will not share

Locations

TW (1)