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

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

Status

Completed

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT05559658

Acronym

CLYMAX

Enrollment

Registered

2022-09-29

Start date

2023-02-20

Completion date

2026-03-30

Last updated

2026-04-02

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

ChemSex Users, ChemSex Users for YMSM

Keywords

ChemSex users

Brief summary

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.

Interventions

None listed

Study design

Observational model

COHORT

Time perspective

CROSS_SECTIONAL

Eligibility

Sex/Gender

MALE

Age

16 Years to 35 Years

Inclusion criteria

Group 1A: Current chemsex users 1. Men who have sex with men 2. Aged 16-35 years 3. Able to communicate in Thai fluently 4. Current chemsex users 5. Provide informed consent Inclusion Criteria: Group 1B: Former chemsex users (discontinued ≥90 days) 1. Men who have sex with men 2. Aged 16-35 years 3. Able to communicate in Thai fluently 4. Former chemsex users (discontinued ≥90 days) 5. Provide informed consent

Exclusion criteria

Design outcomes

Primary

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

Countries

Thailand

Outcome results