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CANDIS-II: Evaluation of the Cognitive-Behavioral Treatment Programme CANDIS
This study is currently recruiting participants.
Verified by Dresden University of Technology, May 2008
Sponsors and Collaborators: Dresden University of Technology
Federal Ministry of Health
Information provided by: Dresden University of Technology
ClinicalTrials.gov Identifier: NCT00673647
  Purpose

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).


Condition Intervention Phase
Cannabis Use Disorders
 Behavioral: Cognitive-behavioral treatment
 Phase III

Drug Information available for: Cannabis GW-1000
U.S. FDA Resources
Study Type: Interventional
Study Design: Treatment, Randomized, Open Label, Uncontrolled, Crossover Assignment, Efficacy Study
Official Title: Evaluation of the Cognitive-Behavioral Treatment Programme CANDIS in the German Outpatient Treatment Service System (CANDIS-II)

Further study details as provided by Dresden University of Technology:

Primary Outcome Measures:
  • 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 ] [ Designated as safety issue: Yes ]

Estimated Enrollment: 450
Study Start Date: May 2008
Estimated Study Completion Date: October 2009
Estimated Primary Completion Date: October 2009 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
1: Experimental
Individual psychotherapy including cognitive behavioral components, motivational interviewing techniques and case management
Behavioral: Cognitive-behavioral treatment
10 sessions of individual psychotherapy including cognitive-behavioral treatment, motivational enhancement and a psychosocial problem training.
2: No Intervention
Delayed treatment control group

  Eligibility

Ages Eligible for Study:   16 Years and older
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No
Criteria

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
  Contacts and Locations
Please refer to this study by its ClinicalTrials.gov identifier: NCT00673647

Contacts
Contact: Eva Hoch, PhD 49-351-4633-6592 hoch@psychologie.tu-dresden.de

Locations
Germany
Jugend- und Drogenberatung Dresden Recruiting
Dresden, Germany, 01219
Contact: Simone Reinhardt     035-142-7730        
Psychosoziale Beratungs- und Behandlungsstelle für Suchtgefährdete und -kranke Recruiting
Bautzen, Germany, 02625
Contact: Josefine Hübner     035-91-326-1140        
LogIn Jugend- und Suchtberatung Recruiting
Berlin, Germany, 10585
Contact: Uta Lode     030-215-7833        
Therapieladen e.V. Recruiting
Berlin, Germany, 10783
Contact: Andreas Gantner     030-236-07790        
Caritas-Fachambulanz für junge Suchtkranke Recruiting
Muenchen, Germany, 80335
Contact: Wolfgang Rieger     089-545-8320        
Die Boje - Suchtberatung und Behandlung Recruiting
Hamburg, Germany, 20146
Contact: Marlene Wankel     040-444-091        
Suchtambulanz der LWL-Klinik Münster Recruiting
Muenster, Germany, 48147
Contact: Claudia Schüngel     025-159-102        
Caritas Fachambulanz für Suchtprävention und Rehabilitation Osnabrück Recruiting
Osnabrueck, Germany, 49074
Contact: Monika Schnellhammer     054-1341-410        
Drobs Hannover Recruiting
Hannover, Germany, 30159
Contact: Katrin Alberts     051-1701-4633        
Jugend- und Drogenberatung Braunschweig Recruiting
Braunschweig, Germany, 38102
Contact: Petra Bunke     053-122-0900        
Release Stuttgart e.V. & Ambulante Beratungs- und Behandlungsstelle Klinikum Stuttgart Recruiting
Stuttgart, Germany, 70190
Contact: Ulrich Binder     071-160-173-735        
Sponsors and Collaborators
Dresden University of Technology
Federal Ministry of Health
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
  More Information

Related Info  This link exits the ClinicalTrials.gov site
Related Info  This link exits the ClinicalTrials.gov site
Related Info  This link exits the ClinicalTrials.gov site

Responsible Party: Technische Universitaet Dresden ( PhD Eva Hoch )
Study ID Numbers: IIA5-2507DSM407
Study First Received: May 1, 2008
Last Updated: May 6, 2008
ClinicalTrials.gov Identifier: NCT00673647  
Health Authority: Germany: Federal Institute for Drugs and Medical Devices

Keywords provided by Dresden University of Technology:
cannabis
dependence
marijuana
CBT
efficacy of CBT for cannabis use disorders

Study placed in the following topic categories:
Marijuana Abuse

ClinicalTrials.gov processed this record on January 16, 2009



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