What this phase means
This study does not use the classic phase 1–4 drug ladder. It may be a device, a behavior program, a surgery timing study, or an early feasibility test.
Phase labels are FDA/ICH categories applied to the registry Phase field. They are not a finding that this study succeeded.
What the registry says happens
If you join, the listed intervention(s) are Chatbot-delivered online interventions and online videos, or Online videos only. The registry lists allocation as randomized. The goal of this clinical trial is to see if receiving chatbot-delivered stage-of-change-tailored online interventions is effective in reducing chemsex among men who have sex with men in Hong Kong.
They plan to enroll about 100 people at Hong Kong. Taking part typically means following a program (exercise, therapy, diet, or an app) plus check-ins.
Official title (unrewritten)
A Chatbot to Reduce Chemsex and HIV-related Risk Behaviors Among Men Who Have Sex With Men: a Pilot Randomized Controlled Trial
Interventions: Chatbot-delivered online interventions and online videos, Online videos only
Primary outcome (registry wording): Presence of chemsex in the past 3 months