Cognitive Bias Modification (CBM) and Obsessive Compulsive Beliefs

A randomised controlled trial comparing Internet based cognitive bias modification (Active version) for obsessive compulsive disorder vs. Internet based cognitive bias modification (Control version) on negative interpretation bias.

Status

Terminated

Phases

Unknown

Study type

Interventional

Source

ANZCTR

Registry ID

ACTRN12613001130752

Enrollment

Registered

2013-10-10

Start date

2013-10-25

Completion date

2014-09-22

Last updated

2020-01-13

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Conditions

None listed

Brief summary

This RCT will evaluate the acceptability and efficacy of a multi-day online CBM program targeting obsessive compulsive beliefs by comparing an active CBM intervention with a control comparator.

Interventions

Internet-based cognitive bias modification intervention with 4 sessions (1 x 20 minute session/day) of written scenarios delivered over 1 week. Each CBM session consists of delivery of 41 initially ambiguous scenarios that 100% of the time terminate with a positive resolution. Adherence to the daily CBM sessions will be automatically tracked by the computer program. Standardised email reminders will be sent to a participant if more than 2 days lapse between logins. Each of the 164 training s

Study design

Allocation

Randomised controlled trial

Intervention model

Parallel

Primary purpose

Treatment

Masking

Blinded (masking used) (Subject, Outcomes Assessor)

Eligibility

Sex/Gender

All

Age

18 Years to 65 Years

Healthy volunteers

Inclusion criteria

Meet Lifetime diagnostic criteria for Obsessive Compulsive Disorder (DSM-IV and DSM 5 criteria will be assessed). Internet access; Australian resident; Fluent in written and spoken English.

Exclusion criteria

Presence of severe depression and/or suicidal ideation; lifetime psychotic symptoms or bipolar disorder; current substance abuse; current or planned psychological treatment during study duration; change in medication during last 1 month or intended change during study duration, use of Benzodiazepines; not fluent in written and spoken English.

Outcome results