The influence of cannabis use on symptoms of schizophrenia: investigating a gene-environment interaction in adolescents.

The influence of cannabis use on symptoms of schizophrenia: investigating a gene-environment interaction in adolescents. - Gene-environment interaction in schizophrenia

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

NL-OMON

Registry ID

NL-OMON29747

Enrollment

400

Registered

2006-05-23

Start date

2006-05-31

Completion date

Unknown

Last updated

2024-06-18

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

psychotic symptoms schizophrenia

Interventions

None listed

Eligibility

Age

18 Years to 99 Years

Inclusion criteria

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

Exclusion criteria: A major medical condition A psychiatrical disorder (axis I)

Design outcomes

Primary

Measure	Time frame
Alele frequencies of schizophrenia associated genes in the different studygroups	—

Secondary

Measure	Time frame
none	—

Countries

Netherlands

Outcome results