Internet Program for the Reduction of Cannabis Use
Not Applicable
Completed
- Conditions
- Cannabis misuse and cannabis abuseMental and Behavioural DisordersMental and behavioural disorders due to use of cannabinoids
- Registration Number
- ISRCTN59948178
- Lead Sponsor
- Swiss Office for the Coordination of Addiction Facilities - infodrog (Switzerland)
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Completed
- Sex
- All
- Target Recruitment
- 267
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
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
Study & Design
- Study Type
- Interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method 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 Outcome Measures
Name Time Method 1. Number of cannabis use days per week <br>2. Severity of cannabis use (CUDIT)<br>3. Severity of cannabis dependence (SDS)<br>4. Cannabis withdrawal symptoms (CWS)<br>5. Cannabis craving symptoms (CCS-7)<br>6. Other psychoactive substance use<br>7. Brief Symptom Inventory (BSI-18) <br>8. Health status (EQ-5D-L)<br>9. Treatment retention<br>10. Treatment satisfaction