Evaluation of the Cognitive-behavioral Treatment Programme CANDIS in the German Outpatient Treatment Service System (CANDIS-II)

Technische Universität Dresden11 sites in 1 country450 target enrollmentMay 2008

ConditionsCannabis Use Disorders

Overview

Phase: Phase 3
Intervention: Not specified
Conditions: Cannabis Use Disorders
Sponsor: Technische Universität Dresden
Enrollment: 450
Locations: 11
Primary Endpoint: 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
Last Updated: 16 years ago

Overview Investigators Eligibility Criteria Outcomes Sites Similar Trials

Overview

Brief Summary

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).

Registry

clinicaltrials.gov

Start Date

May 2008

End Date

October 2009

Last Updated

16 years ago

Study Type

Interventional

Study Design

Crossover

Sex

All

Investigators

Sponsor

Technische Universität Dresden

Eligibility 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

Outcomes

Primary Outcomes

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