The Implementation of a Trans-tailored Harm Reduction Service for Transgender Persons in Relation to chemsEX and Substance Use (iT-REX)
The Implementation of a Trans-tailored Harm Reduction Service for Transgender Persons in Relation to chemsEX and Substance Use (iT-REX)
This study evaluates a comprehensive transgender-tailored harm reduction service for transgender women, transgender men, and non-binary individuals engaging in chemsex or substance use in Thailand, focusing on PrEP uptake, HIV/STI outcomes, mental health, and socio-legal impacts.
The iT-REX study is a prospective mixed-methods implementation study conducted at Tangerine Clinic in Bangkok, Thailand. It is part of a two-phase project using the EPIS framework to develop and implement a comprehensive harm reduction service tailored for transgender populations engaging in chemsex or substance use.
Approximately 140 HIV-negative participants aged ≥18 years will be enrolled and followed for 12 months with visits at baseline, 3, 6, 9, and 12 months. The study evaluates behavioral risks, substance use, HIV/STIs, mental health, and socio-legal outcomes. A subset of participants will undergo qualitative interviews to assess implementation outcomes such as acceptability, feasibility, and satisfaction.
Inclusion Criteria:
Exclusion Criteria:
• Inability to communicate in Thai sufficiently to complete study procedures
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