CANDIS-II: Evaluation of the Cognitive-behavioral Treatment Programme CANDIS (CANDIS-II)
August 25, 2009 updated by: Technische Universität Dresden
Evaluation of the Cognitive-behavioral Treatment Programme CANDIS in the German Outpatient Treatment Service System (CANDIS-II)
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).
Study Overview
Status
Unknown
Conditions
Intervention / Treatment
Study Type
Interventional
Enrollment (Anticipated)
450
Phase
- Phase 3
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
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-
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Bautzen, Germany, 02625
- Psychosoziale Beratungs- und Behandlungsstelle für Suchtgefährdete und -kranke
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Berlin, Germany, 10585
- LogIn Jugend- und Suchtberatung
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Berlin, Germany, 10783
- Therapieladen e.V.
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Braunschweig, Germany, 38102
- Jugend- und Drogenberatung Braunschweig
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Dresden, Germany, 01219
- Jugend- und Drogenberatung Dresden
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Hamburg, Germany, 20146
- Die Boje - Suchtberatung und Behandlung
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Hannover, Germany, 30159
- Drobs Hannover
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Muenchen, Germany, 80335
- Caritas-Fachambulanz für junge Suchtkranke
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Muenster, Germany, 48147
- Suchtambulanz der LWL-Klinik Münster
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Osnabrueck, Germany, 49074
- Caritas Fachambulanz für Suchtprävention und Rehabilitation Osnabrück
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Stuttgart, Germany, 70190
- Release Stuttgart e.V. & Ambulante Beratungs- und Behandlungsstelle Klinikum Stuttgart
-
-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
16 years and older (Child, Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
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
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Crossover Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
|---|---|
|
Experimental: 1
Individual psychotherapy including cognitive behavioral components, motivational interviewing techniques and case management
|
10 sessions of individual psychotherapy including cognitive-behavioral treatment, motivational enhancement and a psychosocial problem training.
Other Names:
|
|
No Intervention: 2
Delayed treatment control group
|
What is the study measuring?
Primary Outcome Measures
Outcome 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
Time Frame: at the end of treatment
|
at the end of treatment
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Collaborators
Investigators
- Study Director: Hans-Ulrich Wittchen, PhD, Technische Universitaet Dresden
- Study Director: Gerhard Buehringer, PhD, Technische Universitaet Dresden
- Principal Investigator: Eva Hoch, PhD, Technische Universitaet Dresden
Publications and helpful links
The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.
Helpful Links
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start
May 1, 2008
Primary Completion (Anticipated)
October 1, 2009
Study Completion (Anticipated)
October 1, 2009
Study Registration Dates
First Submitted
May 1, 2008
First Submitted That Met QC Criteria
May 6, 2008
First Posted (Estimate)
May 7, 2008
Study Record Updates
Last Update Posted (Estimate)
August 26, 2009
Last Update Submitted That Met QC Criteria
August 25, 2009
Last Verified
August 1, 2009
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- IIA5-2507DSM407
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.