d-CANN: Validation of an international inventory to measure cannabis use in German-speaking countries

• Conditions: F22; F23; substance induced psychotic disorder (F1x.5); F21; F25; F28; F29; F30.2; F31.2; F31.5

• Registration Number: DRKS00032404
• Lead Sponsor: Klinik für Psychiatrie und Psychotherapie, Charité Universitätsmedizin Berlin

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Start: 2023-08-01
• Last Update Posted: 19 August 2024

Recruitment & Eligibility

• Status: Pending
• Sex: All
• Target Recruitment: 700

Inclusion Criteria

Cannabis use / lifetime
- Sufficient language skills (German, min. A2)

Exclusion Criteria

- Refusal to participate

Study & Design

• Study Type: observational
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
- Factor analysis<br>- Reliability<br>- Validity

Secondary Outcome Measures

Name	Time	Method
- Factor analysis, reliability, validity in the clinical cohort<br>- Design of a short version with 8 items