Acquisition routes of cannabis and illegal substances in people with mental illness

Acquisition routes of cannabis and illegal substances in people with mental illness - SEDATION

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00034055

Enrollment

769

Registered

2024-09-25

Start date

2025-02-01

Completion date

Unknown

Last updated

2025-10-06

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

Conditions

The study includes individuals with various mental disorders and substance dependencies, as well as individuals without any diagnosis

Interventions

Group 1: Users of cannabis and illegal substances with mental illness Group 2: Users of cannabis and illegal substances without mental illness

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Individuals residing in Germany who consume or procure Cannabis or illegal substances.

Exclusion criteria

Exclusion criteria: Individuals who do not reside in Germany and do not consume or procure Cannabis or illegal substances

Design outcomes

Primary

Measure	Time frame
Identifying any potential correlation between mental disorders and acquisition pathways, using a specifically designed anonymous online questionnaire, participants will only fill out the questionnaire once.	—

Secondary

Measure	Time frame
Secondary endpoints encompass demographic and socioeconomic factors, identifying the frequency and patterns of substance acquisition, as well capturing mental disorders. Additionally, investigating substance use or dependence in people with and without mental illnesses. Data collection with a specifically designed anonymous online questionnaire. Participant will fill out the questionnaire only once.	—

Measure

Time frame

Secondary endpoints encompass demographic and socioeconomic factors, identifying the frequency and patterns of substance acquisition, as well capturing mental disorders. Additionally, investigating substance use or dependence in people with and without mental illnesses. Data collection with a specifically designed anonymous online questionnaire. Participant will fill out the questionnaire only once.

—

Countries

Germany

Contacts

Public ContactMarcus Gertzen

Klinik für Psychiatrie, Psychotherapie und Psychosomatik, Medizinische Fakultät, Universität Augsburg, Bezirkskrankenhaus

marcus.gertzen@bkh-augsburg.de0821 4803-1081

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 4, 2026