The influence of cannabis use on symptoms of schizophrenia: investigating a gene-environment interaction in adolescents.
Completed
- Conditions
- psychotic symptomsschizophrenia10039628
- Registration Number
- NL-OMON29747
- Lead Sponsor
- Academisch Medisch Centrum
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Completed
- Sex
- Not specified
- Target Recruitment
- 400
Inclusion Criteria
Age between 18 and 25
No cannabis use or cannabis use that is more than ¤10 per week
Fluent Dutch speaker
IQ above 80
All grandparents born in The Netherlands
Extremely high or low scores on questionnaire on psychotic symptoms
Exclusion Criteria
A major medical condition
A psychiatrical disorder (axis I)
Study & Design
- Study Type
- Observational invasive
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method <p>Alele frequencies of schizophrenia associated genes in the different<br /><br>studygroups</p><br>
- Secondary Outcome Measures
Name Time Method <p>none</p><br>