The goal of this clinical trial is to investigate whether receiving chatbot-delivered stage-of-change-tailored online interventions is effective in reducing chemsex among men who have sex with men in Hong Kong. The main question it aims to answer is:
Does chatbot-delivered stage-of-changed online interventions reduce chemsex among men who have sex with men
Eligible participants will be randomly assigned to either the intervention or the control group. The control group will watch one online video introducing chemsex-related knowledge and harm reduction skills per week for 12 weeks. On top of the interventions received by the control group, participants in the intervention group will have access to a chatbot during the 12-week intervention period. The chatbot will deliver 12 weekly episodes of interventions tailored to once's current stage-of-change related to chemsex. The chatbot will also address questions related to chemsex during the intervention period.
Hong Kong men aged at least 18 years
Able to understand Cantonese
Had anal intercourse with at least one man within the past six months
Willingness to provide contact information for follow-up
Self-reported a diagnosis of schizophrenia or bipolar disorder
Parallel
Chatbot-delivered online interventions and online videos
BehavioralParticipants will watch one online video introducing chemsex-related knowledge and harm reduction skills per week for 12 weeks. The chatbot will deliver 12 weekly episodes of interventions tailored to once's current stage-of-change related to chemsex. The chatbot will also address questions related to chemsex during the intervention period.
Online videos only
BehavioralParticipants will watch one online video introducing chemsex-related knowledge and harm reduction skills per week for 12 weeks.
Presence of chemsex in the past 3 months
Presence of chemsex will be measured by a validated questionnaire. Chemsex is defined as the use of any of the following psychoactive substances before or during sexual intercourse: ketamine, methamphetamine, cocaine, cannabis, ecstasy, Dormicum/Halcion/Erimin 5/nonprescription hypnotic drugs, heroin, cough suppressant (not for curing cough), amyl nitrite (popper), GHB/GBL, 5-methoxy-N, N-diisopropyltryptamine (Foxy), and mephedrone. Participants will be asked whether they had used any of the aforementioned psychoactive substances before or during sexual intercourse in the past 3 months at baseline, after completion of the 12-week intervention (Month 3 or Week 12), and 3 months after completion of the 12-week intervention (Month 6)
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This trial is not recruiting at the moment. You can still explore other options:
