CANDIS-II: Evaluation of the Cognitive-behavioral Treatment Programme CANDIS

Technische Universität Dresden

Status and phase: Unknown; Phase 3

Conditions: Cannabis Use Disorders

Treatments: Behavioral: Cognitive-behavioral treatment

Study type: Interventional

Funder types: Other

Identifiers

NCT00673647

IIA5-2507DSM407

Details and patient eligibility

About

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).

Enrollment: 450 estimated patients

Sex: All

Ages: 16+ years old

Volunteers: No Healthy Volunteers

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

Trial design

Primary purpose: Treatment

Allocation: Randomized

Interventional model: Crossover Assignment

Masking: None (Open label)

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450 participants in 2 patient groups

1

Experimental group

Description:

Individual psychotherapy including cognitive behavioral components, motivational interviewing techniques and case management

Treatment:

Behavioral: Cognitive-behavioral treatment

2

No Intervention group

Description:

Delayed treatment control group