Cannabis Use Disorder (DSM-V)
Conditions
Interventions
Group 1: CBT group. This group only receives cannabis-specific cessation psychotherapy over a period of 12 weeks. The group sessions take place once a week over a period of 90 minutes.
Group 2: CBT +
Sponsors
Charité - Universitätsmedizin Berlin
Eligibility
Sex/Gender
All
Age
18 Years to 65 Years
Inclusion criteria
Inclusion criteria: Diagnosed cannabis use disorder (DSM-V)
Exclusion criteria
Exclusion criteria: Acute (hypo-)manic episode remitted for less than 4 weeks Depressive episode remitted for less than 4 weeks Psychopharmacological treatment of bipolar disorder/ depressive episode less than 2 weeks stable Schizophrenia/ psychotic episode: fully remitted for less than 4 weeks Current psychotherapeutic or addiction-specific treatment (without possible break during the study) Taking sedatives/ neuroleptics/ stimulants Current other substance use disorder apart from nicotine & cannabis
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Pupil size (Pupil Labs; objective and continuous measure) Skin conductance (PsychLab; objective and continuous measure) Heart rate (PsychLab; objective and continuous measure) Oxytocin reactivity (Salivette®; objective and continuous measure) Cannabis abstinence (Drug-Screen® Multi 7 Test; objective and categorical measure) Consumption reduction (Form-90 interview; subjective and continuous measure) | — |
Secondary
| Measure | Time frame |
|---|---|
| Depressiveness (BDI-II; Beck et al., 1996) (Social) Anxiety (LSAS; Liebowitz, 1987 and GAD-7; Spitzer et al., 2006) Physical activity (IPAQ; Craig et al., 2003) State of health (SF-12; Ware et al., 1996) | — |
Countries
Germany
Contacts
Public ContactLivia Welsch
Charité - Universitätsmedzin Berlin
Outcome results
None listed