Status:
COMPLETED
Substance Misuse To Psychosis for Ketamine (SToP-K)
Lead Sponsor:
The University of Hong Kong
Conditions:
Ketamine Abuse
Psychotic Disorders
Eligibility:
All Genders
12-65 years
Brief Summary
Evidence suggests that repeated or chronic ketamine use, as compared to acute ketamine users, posed a higher clinical risk of developing psychotic disorders, potentially related to the underlying chro...
Eligibility Criteria
Inclusion
- Age: 12 - 65 years old
- Able to read and communicate in English and/or Chinese
- Able to give informed consent
- Self-reported to have psychoactive substance use continuously for ≥3 month
- At least one positive urine toxicology result showing the reported psychoactive substance being used
Exclusion
- Age \<12 years old
- Unable to read English or Chinese
- Unable to give informed consent
- Had been diagnosed to have Intellectual Disabilities (DSM-5) or Mental Retardation (ICD-10, F70-73)
- Had been diagnosed to have primary psychosis prior to the use of any psychoactive substances, including alcohol
- Had been diagnosed to have "bipolar and related disorder" prior to the use of any psychoactive substances, including alcohol
- Had been diagnosed to have "major depressive disorder with psychotic features" prior to the use of any psychoactive substances, including alcohol
- Had been diagnosed to have "psychotic disorder due to another medical condition" (DMS-5)
- Self-reported to have abstained from any psychoactive substance use continuously for ≥12 months AND with negative urine toxicology result at the time of recruitment/ intake at the psychiatric services as recorded on case notes
Key Trial Info
Start Date :
June 12 2018
Trial Type :
OBSERVATIONAL
Allocation :
ACTUAL
End Date :
April 1 2020
Estimated Enrollment :
162 Patients enrolled
Trial Details
Trial ID
NCT03485339
Start Date
June 12 2018
End Date
April 1 2020
Last Update
July 31 2020
Active Locations (2)
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1
Queen Mary Hospital
Hong Kong, Hong Kong, 000000
2
Western Psychiatric Centre
Hong Kong, Hong Kong, 00000