Dual Diagnosis (Psychosis and Cannabismisuse): Comparison of Specialized Treatment Versus Unspecified Treatment
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Purpose
Intention of the study is to examine, if the symptomatology of dual diagnosis patients is less severe after a special indication training for reduction of cannabis consumption in comparison to unspecified trainings.
Point of interest is psychopathology and consumerism.
| Condition | Intervention | Phase |
|---|---|---|
|
Psychotic Disorders Marijuana Abuse Intervention |
Behavioral: Cannabis-Consumption-Reduction-Training Behavioral: Social competence Training |
Phase 1 |
| Study Type: | Interventional |
| Study Design: | Allocation: Randomized Intervention Model: Parallel Assignment Masking: Open Label Primary Purpose: Treatment |
| Official Title: | Dual Diagnosis Psychosis and Substance Abuse: Short- and Middle-term Changes in Symptomatology After Visiting a Group Education Programme to Reduce Consumption of Cannabis |
- PANSS Positive and Negative Symptom Scale [ Time Frame: post intervention, six months follow-up ] [ Designated as safety issue: No ]
- Urinstatus for cannabinoids [ Time Frame: weekly during and post intervention, follow-up ] [ Designated as safety issue: No ]
| Estimated Enrollment: | 50 |
| Study Start Date: | January 2006 |
| Study Completion Date: | January 2010 |
| Primary Completion Date: | June 2009 (Final data collection date for primary outcome measure) |
| Arms | Assigned Interventions |
|---|---|
|
Experimental: ACT
Anti-Cannabis-Consumption-Training
|
Behavioral: Cannabis-Consumption-Reduction-Training
8 sessions within 4 weeks (twice a week, 45 minutes each) Cognitive behavioral therapy with focus on cannabis abuse
|
|
Active Comparator: CG
Control group
|
Behavioral: Social competence Training
8 sessions within 4 weeks (twice a week, 45 minutes) training to develop and ameliorate social competences
|
Detailed Description:
Dual diagnosis patients (psychosis and cannabis abuse) account for more clinical admissions than single diagnosis patients.
Cannabis misuse is a known risk factor for recurrence of psychosis.
A specified intervention on the basis of a manual for schizophrenic substance abusers is administered to inpatients in a specialized unit for young schizophrenic patients in a psychiatric hospital.
The control group, same indication (psychotic disorder and cannabis misuse) receives social competence training (specified for schizophrenic patients as well).
Admission to groups is randomly.
Eligibility| Ages Eligible for Study: | 18 Years to 65 Years |
| Genders Eligible for Study: | Both |
| Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Clinical diagnosis of schizophrenia and disorders with psychotic features
- Misuse of cannabis during 12 months preceding admission to hospital
Exclusion Criteria:
- Not able to attend training twice a week for 45 minutes (concentration, attention, psychotic symptoms, agitation)
- Discharge from hospital before completion of training
Contacts and Locations More Information
No publications provided
| Responsible Party: | Hans Watzl, Dr., University of Konstanz |
| ClinicalTrials.gov Identifier: | NCT00783185 History of Changes |
| Other Study ID Numbers: | CRET |
| Study First Received: | October 30, 2008 |
| Last Updated: | January 11, 2010 |
| Health Authority: | Germany: Ethics Commission |
Keywords provided by University of Konstanz:
|
psychotic disorders cannabis intervention |
Additional relevant MeSH terms:
|
Marijuana Abuse Psychotic Disorders Mental Disorders Substance-Related Disorders Schizophrenia and Disorders with Psychotic Features |
ClinicalTrials.gov processed this record on May 23, 2013