CAN Stop group training against problematic cannabis use in youth welfare

CAN Stop group training against problematic cannabis use in youth welfare - CANJuStop

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

DRKS

Registry ID

DRKS00034167

Enrollment

100

Registered

2024-05-13

Start date

2024-10-01

Completion date

Unknown

Last updated

2026-06-01

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

Conditions

Prevention of cannabis abuse and addiction

Interventions

Group 1: Experimental group: Adolescents in youth welfare facilities get access to group training against problematic cannabis use "CAN Stop" (strengthening resources, identification of typical consum

Eligibility

Sex/Gender

All

Age

13 Years to 22 Years

Inclusion criteria

Inclusion criteria: Resident in an institution of youth welfare, sufficient knowledge of German language, responsible supervisors recommend participation

Exclusion criteria

Exclusion criteria: Absence of inclusion criteria

Design outcomes

Primary

Measure	Time frame
Baseline-adjusted group comparison in cannabis use (frequency and amount, risky/ problematic consumption) in post-measurement (directly after the intervention) and follow-up measurement (six-months after the intervention). All assessments are digital/ smartphone-based self-reports.	—

Secondary

Measure	Time frame
Cannabis Abuse Screening Tests (CAST, Marijuana Effect Expectancy Questionnaire Brief (MEEB-Q), Cannabis Refusal Self-Efficacy Questionnaire (CRSEQ), Cannabis Use Intentions	—

Countries

Germany

Contacts

Public ContactNicolas Arnaud

Deutsches Zentrum für Suchtfragen des Kindes- und Jugendalters (DZSKJ) am Universitätsklinikum Hamburg-Eppendorf

n.arnaud@uke.de040741059307

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Jun 11, 2026