Efficacy of Cognitive Bias Modification in Residential Treatment for Addiction

Center for Addiction and Mental Health (CAMH)

Status: Completed

Conditions: Substance Dependence

Treatments: Behavioral: Cognitive Bias Modification

Study type: Interventional

Funder types: Other

Identifiers

NCT03000699

077/2016

Details and patient eligibility

About

The purpose of this study is to determine whether computer bias modification for interpretation bias (CBM-I) is effective in the reduction of suicidal ideation in substance use disorders.

Full description

Eighty-eight adult inpatients completing residential treatment in the Addictions Services at the Centre for Addiction and Mental Health (CAMH) will be randomized to receive CBM-I daily for one week, adjunct to the residential psychosocial treatment or to an assessment-only control condition. Participants will complete clinical measures consisting of interviews and questionnaires measuring suicidal ideation, hopelessness, depression, negative affect, and interpretation biases before, during and after treatment.

Enrollment: 88 patients

Sex: All

Ages: 18+ years old

Volunteers: No Healthy Volunteers

Inclusion criteria

• Exhibit moderate suicide risk or greater
• Be enrolled in the Addictions Services inpatient program
• Fluent in reading English
• Capacity to give informed consent

Exclusion criteria

• A lifetime diagnosis of a psychotic or bipolar disorder
• Significant neurological disorder or psychical illness likely to interfere with participation
• Psychotropic medication changes within the past two weeks

Trial design

Primary purpose: Treatment

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: Single Blind

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88 participants in 2 patient groups

Cognitive Bias Modification

Experimental group

Description:

64 training paragraphs, approximately 10-20 seconds each, digitally recorded and presented stereophonically through headphones, delivered over the course of one week.

Treatment:

Behavioral: Cognitive Bias Modification

Assessment-Only Control

No Intervention group

Description:

No training will be provided.