Longitudinal assessment of chemsex among young men who have sex with men
Official title: Comprehensive Assessment in a Longitudinal Study on Young Men Who Have Sex With Men Attracting to chemseX-2
Run by Institute of HIV Research and Innovation Foundation, Thailand · NCT06741306 · Data updated 2026-11-12
This study looks at how young men who have sex with men use drugs during sex, what influences their choices, and how it affects their health, while also exploring the idea of a clinic to help them.
Quick facts
| Study type | Observational |
|---|---|
| Ages | 16 Years to 35 Years |
| Sex | Men only |
| Enrollment | 150 (estimated) |
| Sponsor | Institute of HIV Research and Innovation Foundation, Thailand Academic / other |
| Locations | 2 sites (Bangkok, Bangkapi and 1 other locations) |
| Status | Recruiting |
| Started | March 14, 2024 |
| Main results expected | March 31, 2027 |
| Study ends | March 31, 2029 |
| Registry record updated | April 2, 2026 |
| Trial ID | NCT06741306 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates for this study are men aged 16-35 who have sex with men and are current chemsex users.
✕Probably not a fit
Patients who do not engage in chemsex or are outside the age range may not receive any benefit from this study.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This observational study, known as CLYMAX-2, focuses on young men who have sex with men (YMSM) who engage in chemsex. It aims to assess the patterns of chemsex use, the factors influencing initiation and discontinuation, and the effects on physical and mental health. The study will also evaluate the acceptability and feasibility of developing a comprehensive chemsex clinic, as well as the effectiveness of harm reduction strategies through a prospective cohort design. Data will be collected using both qualitative and quantitative methods to provide a comprehensive understanding of the chemsex landscape among this population.
Why it matters
Potential benefit: If successful, this study could lead to improved health outcomes and tailored services for young men who engage in chemsex.
How similar studies have gone: Other studies have shown success in similar approaches to understanding chemsex and implementing harm reduction strategies, indicating potential for positive outcomes.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: 1. Men who have sex with men 2. Aged 16-35 years 3. Current chemsex users (defined as last chemsex used within 3 months) 4. Able to read and communicate in Thai 5. Provide informed consent Exclusion Criteria: None
Where it's running
-
Rainbow Sky Association of Thailand (RSAT)
Bangkok, Bangkapi, Thailand Recruiting -
Foundation for Action on Inclusion Rights (FAIR)
Bangkok, Minburi, Thailand Recruiting
Study contacts
- Study coordinator: Nittaya Phanuphak, MD.,PhD
- Email: nittaya.p@ihri.org
- Phone: 6681 825 3544
How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.