Cannabis misuse and cannabis abuse Mental and Behavioural Disorders Mental and behavioural disorders due to use of cannabinoids
Conditions
Interventions
This is a three arm randomized controlled trial. The intervention in the first arm consists of three individual chat-counseling sessions based on motivational interviewing and cognitive-behavioral the
Sponsors
Swiss Office for the Coordination of Addiction Facilities - infodrog (Switzerland)
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Minimal age 18, either sex 2. At least once a week cannabis use in the past 30 days prior to study entry
Exclusion criteria
Exclusion criteria: 1. Current serious psychiatric illness or history of psychosis, schizophrenia, bipolar type I disorder or significant current suicidal or homicidal thoughts 2. No other pharmacological or psycho-social treatment for cannabis use disorders at study entry 3. Inability to read or write in German 4. For women: pregnancy or breastfeeding
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The primary outcome is the quantity of weekly cannabis use (measured in number of predefined average standard joints per week according to a consumption diary). | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. Number of cannabis use days per week 2. Severity of cannabis use (CUDIT) 3. Severity of cannabis dependence (SDS) 4. Cannabis withdrawal symptoms (CWS) 5. Cannabis craving symptoms (CCS-7) 6. Other psychoactive substance use 7. Brief Symptom Inventory (BSI-18) 8. Health status (EQ-5D-L) 9. Treatment retention 10. Treatment satisfaction | — |
Countries
Switzerland
Outcome results
None listed