Cannabis Use Disorders
Conditions
Keywords
cannabis, dependence, marijuana, CBT, efficacy of CBT for cannabis use disorders
Brief summary
The purpose of this study is to evaluate the effectiveness of the cognitive-behavioral treatment program CANDIS among n=450 patients with cannabis use disorders in a mulicenter randomized-controlled clinical trial (n=11 outpatient treatment centers).
Interventions
BEHAVIORALCognitive-behavioral treatment
10 sessions of individual psychotherapy including cognitive-behavioral treatment, motivational enhancement and a psychosocial problem training.
Sponsors
Federal Ministry of Health
Technische Universität Dresden
Study design
Allocation
RANDOMIZED
Intervention model
CROSSOVER
Primary purpose
TREATMENT
Masking
NONE
Eligibility
Sex/Gender
ALL
Age
16 Years to No maximum
Healthy volunteers
No
Inclusion criteria
* motivation to change cannabis use * age 16 or older * current (12 mth) regular cannabis use (at least 2 days a week) * informed consent to the study procedures and assessments
Exclusion criteria
* current alcohol or any illicit drug dependence syndrome according to DSM-IV other than due to cannabis * lifetime history of any psychotic disorder * current severe episode of Major depression * current panic-agoraphobic disorder (severe) * severe learning disability, brain damage or pervasive developmental disorder * currently acute suicidality * not fluent in german language * any other current treatment for cannabis use disorders
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| abstinence, defined as no evidence of cannabis use during the past 4 weeks as evidenced by self report and a negative urine screen; number of times a cannabis product was used in the past 4 weeks; retention rate | at the end of treatment |
Countries
Germany
Outcome results
None listed