Skip to main content
OpenTrials
Completed

NCT Number: NCT05559658

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

The study is a two-phase observational study that assess multiple aspects of study and young men who have sex with men (YMSM).

Phase I of the study will be a cross-sectional descriptive study using a mixed methods data collection (focusing on qualitative data collection) to acquire information necessary for developing a more extensive study on the same matter.

Phase II of the study will be a prospective cohort study using a quantitative data collection.

Findings from phase I will guide the development of phase II which consist of a larger number of YMSM, important baseline and follow-up questionnaires and comorbidities assessments, sexually transmitted infections testing, and integration to care.

This protocol exclusively addresses the phase I of the study.

Once the phase I findings are finalized, the principal investigator will submit the phase II to the IRB of the Faculty of Medicine, Chulalongkorn University.

Completed

Looking for future studies?

Notify Me

Key information

Conditions

ChemSex Users for YMSM ChemSex Users

Age range

16 year–35 year

Sex eligibility

Male

Study type

Observational

Primary location

Institute of HIV Research and Innovation

Pathum Wan, Bangkok, 10330, Thailand

Who can participate

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

Group 1A: Current chemsex users

  • Men who have sex with men
  • Aged 16-35 years
  • Able to communicate in Thai fluently
  • Current chemsex users
  • Provide informed consent

Inclusion criteria

Group 1B: Former chemsex users (discontinued ≥90 days)

  • Men who have sex with men
  • Aged 16-35 years
  • Able to communicate in Thai fluently
  • Former chemsex users (discontinued ≥90 days)
  • Provide informed consent

Exclusion criteria

No exclusion criteria for all groups of participants

Treatment and study plan

Primary outcomes

  1. The study will be divided into two phases. The information on the procedures of the phase I single study visit is presented below.

    Time frame: 12 months

    Qualitative data collection The qualitative study component will use semi-structured individual in-depth interviews (IDIs) in Thai conducted in-person at the team community health clinic facilities. All participants will be included in the qualitative data collection - 40 YMSM, all 10 family members or peers of chemsex users, and all 10 clinic staff.

    Quantitative data collection Demographic information of all participants, the proportion of all eligible participants who agree to participate in the study, and the relationship status between Group 2 and Group 1 participants will be collected.

Sponsors and collaborators

Lead sponsor

Institute of HIV Research and Innovation Foundation, Thailand

Other

Collaborators

  • amfAR, The Foundation for AIDS Research

Registry information

Official study title

A Cross-sectional Descriptive Study Using Mixed Method (Qualitative and Quantitative) Data Collection

Acronym: CLYMAX

Important dates

Study start
2023
Primary completion
2026
Study completion
2026
First posted
Sep 29, 2022
Registry last updated
Apr 2, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

Related clinical trials

Published trials that share one or more normalized conditions with this study.