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Study identifier: NCT06741306 Synced from ClinicalTrials.gov · August 10, 2026
● Study status: Recruiting

Comprehensive Assessment in a Longitudinal Study on Young Men Who Have Sex With Men Attracting to chemseX-2

Condition: ChemSex Users for YMSM  ·  Sponsor: Institute of HIV Research and Innovation Foundation, Thailand

PhaseN/A
Planned participants150
Who can joinMale, 16 Years to 35 Years
Healthy volunteersNoCheck eligibility criteria ↓
Where2 locations

Interested? Contact the study team ↓

For sponsors, CROs & site teams
Professional view of this study — listed sites, countries and recruiting context from the public registry. Everything below is written for patients and caregivers.See where this study is running →

About this study

CLYMAX is a two-phase observational study that assess multiple aspects of chemsex and young men who have sex with men (YMSM). Phase I of the study (CLYMAX,IRB No. 0695/65) was a cross-sectional descriptive study using a mixed methods data collection (focusing on qualitative data collection) assessing multiple aspects of chemsex, including the patterns of chemsex use and the perspectives on factors influencing chemsex initiation/discontinuation, effects on physical health, mental health and social outcomes, and the necessary services for a comprehensive chemsex clinic among YMSM; and the acceptability and feasibility of developing a comprehensive chemsex clinic from the perspective of YMSM, their family members or peers, and clinic staff. This phase II study (CLYMAX-2) will be a prospective cohort study using a quantitative data collection exploring the effectiveness of the implementation strategy of harm reduction models and consist of a larger number of YMSM, important baseline and follow-up information on multiple aspects of physical, psychological, and social harms.

This description comes directly from the study's public registry record.

Talk to the study team

Nittaya Phanuphak, MD.,PhD  ·  6681 825 3544  ·  nittaya.p@ihri.org

Jakkrapatara Boonruang, MD  ·  6689 965 7862  ·  jakkrapatara.b@ihri.org

There is no obligation to join — the study team can answer your questions about taking part.

Always discuss trial participation with your own doctor first.

Full eligibility criteria (exactly as the study team wrote them)

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

Reproduced word-for-word from the public registry record — the study team can answer questions about it.

Locations (2)

Rainbow Sky Association of Thailand (RSAT)Bangkok, Bangkapi, ThailandRecruiting
Foundation for Action on Inclusion Rights (FAIR)Bangkok, Minburi, ThailandRecruiting

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Bangkok

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