Genome analysis for Cannabis Use; Neurocognitive Dysfunction; Genetic Predisposition
This study is completed in China. It is testing genome analysis for Cannabis Use; Neurocognitive Dysfunction; Genetic Predisposition.
Mental health, Cannabis Use, ...ObservationalFrom 16 Years to 60 Years
The public registry lists this study as not currently recruiting. This page remains available for information. Check the official record for the latest status and explore other recruiting studies.
Where are visits, can any be remote, and how much time is needed?
Costs and support
What costs, reimbursement or compensation apply?
Before joining
Questions to ask before joining
What are the exact eligibility criteria, and what could exclude someone?
How many visits, assessments, or follow-ups are expected, and over what period?
What risks, side effects, practical burdens, or alternatives should be understood first?
Who should be contacted to confirm locations, timing, compensation, and next steps?
Study clarity
Things to check before joining
Study start dateStarted: November 1, 2020
Recruitment status
Completed
Enrollment listed in the registry
110
Sponsor
The University of Hong Kong
Sponsor type
University
Study type
Observational
Intervention type
OTHER
Study phase
Not clearly listed
Locations
China
Age range
From 16 Years to 60 Years
Official registry ID
NCT04373525
Official title
Substance Misuse To Psychiatric Disorders for Cannabis-Prospective Evaluation on Cognitive Function and Its Associated Genetic Vulnerability in Cannabis Users (SToP-C-PeCoG)
Ask HopeStage to help me review this study
This record does not confirm open recruitment. We can help you understand it and explore other studies.
Study ID: NCT04373525. We help you review the study, but cannot decide medical eligibility.
Check recruitment and locations
Recruitment checked against the registry by HopeStage on . Registry information can change. Always confirm availability with the research team.
The overall study status can differ from each site's status. Open a country to see its locations and their registry status.
Hong Kong · 1 site
Queen Mary Hospital
Hong Kong
Site status: Not listed — confirm with the team
In practice
For you
Participation may contribute to research. Personal benefit is not guaranteed.
Ask the research team to explain the activities, time commitment, and follow-up involved.
Study sites are listed. Confirm the relevant site and any travel before making plans.
Important
Not medical advice
Information from public sources.
Are you the study sponsor? Contact us to update this page: hi@hopestage.com
FAQ
Questions about this study
What is this study trying to understand?
This study is exploring observational follow-up for people with mental health. Participants may complete study visits, assessments, or follow-up activities defined by the research team. Direct benefit is not guaranteed. The detailed objective is not always clearly listed in the public registry; the study team can confirm.
Is this an interview, survey, or observational study?
This appears to be a interview / survey / observational study involving Genome analysis. Phase is mainly useful to check for medication studies and some device studies.
Are there criteria about substance use or wanting to reduce it?
The public registry appears to mention tobacco, nicotine, alcohol, cannabis, or another addiction-related topic. Ask the study team whether you need to want to stop, reduce, already be abstinent, or simply meet use-related criteria. Eligibility must be confirmed by the study team.
What would I likely need to do?
You may need to answer questionnaires or take part in interviews. The listed study locations suggest that at least part of participation may involve a physical site. Ask whether some steps can be done remotely.
Could the questions feel emotionally difficult or personal?
If the study involves interviews or questionnaires, some questions may feel personal or emotionally sensitive. Ask whether you can skip questions, pause, stop, and how your answers will be protected. For any mental health study, also ask who to contact if you feel worse, whether participation may affect current treatment, whether you can stop, and who confirms eligibility.
Will I need to travel or attend in-person visits?
The listed study locations suggest that at least part of participation may involve a physical site. Ask which sites are open, how many visits are expected, whether any steps can be done remotely, and whether travel costs or compensation are listed.
Who is behind this study?
This study is sponsored by The University of Hong Kong, which appears to be a university. If available, it can be useful to check the sponsor website, collaborators, investigator affiliation, and the official registry before deciding. HopeStage does not judge the quality of a sponsor or researcher, but helps you identify what to verify.
Can I still join this study?
The public registry lists this study as not currently recruiting. This page remains available for information. Check the official record for the latest status and explore other recruiting studies.
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