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.
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.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
50
8 sessions within 4 weeks (twice a week, 45 minutes each) Cognitive behavioral therapy with focus on cannabis abuse
8 sessions within 4 weeks (twice a week, 45 minutes) training to develop and ameliorate social competences
University of Konstanz
Konstanz, Baden-Wurttemberg, Germany
PANSS Positive and Negative Symptom Scale
Time frame: post intervention, six months follow-up
Urinstatus for cannabinoids
Time frame: weekly during and post intervention, follow-up
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