Back to resultsDual Diagnosis (Psychosis and Cannabismisuse): Comparison of Specialized Treatment Versus Unspecified Treatment
Primary Purpose
Psychotic Disorders, Marijuana Abuse, Intervention
Status
Completed
Phase
Phase 1
Locations
Germany
Study Type
Interventional
Intervention
Cannabis-Consumption-Reduction-Training
Social competence Training
Sponsored by
About this trial
This is an interventional treatment trial for Psychotic Disorders focused on measuring psychotic disorders, cannabis, intervention
Eligibility Criteria
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
Sites / Locations
- University of Konstanz
Arms of the Study
Arm 1
Arm 2
Arm Type
Experimental
Active Comparator
Arm Label
ACT
CG
Arm Description
Anti-Cannabis-Consumption-Training
Control group
Outcomes
Primary Outcome Measures
PANSS Positive and Negative Symptom Scale
Secondary Outcome Measures
Urinstatus for cannabinoids
Full Information
NCT ID
NCT00783185
First Posted
October 30, 2008
Last Updated
January 11, 2010
Sponsor
University of Konstanz
1. Study Identification
Unique Protocol Identification Number
NCT00783185
Brief Title
Dual Diagnosis (Psychosis and Cannabismisuse): Comparison of Specialized Treatment Versus Unspecified 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
Study Type
Interventional
2. Study Status
Record Verification Date
October 2008
Overall Recruitment Status
Completed
Study Start Date
January 2006 (undefined)
Primary Completion Date
June 2009 (Actual)
Study Completion Date
January 2010 (Actual)
3. Sponsor/Collaborators
Name of the Sponsor
University of Konstanz
4. Oversight
Data Monitoring Committee
No
5. Study Description
Brief Summary
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.
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.
6. Conditions and Keywords
Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Psychotic Disorders, Marijuana Abuse, Intervention
Keywords
psychotic disorders, cannabis, intervention
7. Study Design
Primary Purpose
Treatment
Study Phase
Phase 1
Interventional Study Model
Parallel Assignment
Masking
None (Open Label)
Allocation
Randomized
Enrollment
50 (Anticipated)
8. Arms, Groups, and Interventions
Arm Title
ACT
Arm Type
Experimental
Arm Description
Anti-Cannabis-Consumption-Training
Arm Title
CG
Arm Type
Active Comparator
Arm Description
Control group
Intervention Type
Behavioral
Intervention Name(s)
Cannabis-Consumption-Reduction-Training
Intervention Description
8 sessions within 4 weeks (twice a week, 45 minutes each) Cognitive behavioral therapy with focus on cannabis abuse
Intervention Type
Behavioral
Intervention Name(s)
Social competence Training
Intervention Description
8 sessions within 4 weeks (twice a week, 45 minutes) training to develop and ameliorate social competences
Primary Outcome Measure Information:
Title
PANSS Positive and Negative Symptom Scale
Time Frame
post intervention, six months follow-up
Secondary Outcome Measure Information:
Title
Urinstatus for cannabinoids
Time Frame
weekly during and post intervention, follow-up
10. Eligibility
Sex
All
Minimum Age & Unit of Time
18 Years
Maximum Age & Unit of Time
65 Years
Accepts Healthy Volunteers
No
Eligibility Criteria
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
Overall Study Officials:
First Name & Middle Initial & Last Name & Degree
Hans Watzl, Dr.
Organizational Affiliation
University of Konstanz
Official's Role
Principal Investigator
Facility Information:
Facility Name
University of Konstanz
City
Konstanz
State/Province
Baden-Württemberg
ZIP/Postal Code
78462
Country
Germany
12. IPD Sharing Statement
Learn more about this trial
Dual Diagnosis (Psychosis and Cannabismisuse): Comparison of Specialized Treatment Versus Unspecified Treatment
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