(Meta-)cognitive biases in obsessive compulsive disorder (OCD): a randomized controlled trial on the efficacy of Metacognitive Training for OCD (MCT-OCD) and its mechanisms of change

Not Applicable

• Conditions: F42; Obsessive-compulsive disorder

• Registration Number: DRKS00013539
• Lead Sponsor: niversitätsklinikum Hamburg-Eppendorf

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Start: 2018-02-22
• Study Completion: 2019-12-20
• Results First Posted: 2020-10-20
• Last Update Posted: 19 August 2024

Recruitment & Eligibility

• Status: Complete
• Sex: All
• Target Recruitment: 79

Inclusion Criteria

diagnosed OCD (ICD-10: F 42)
- informed consent
- consent to participate in the metacognitive group training
- social capacity to participate in the group (judged by therapist)

Exclusion Criteria

- lifetime diagnosis of schizophrenia or affective-psychotic symptoms (e.g. manic symptoms)
- macroscopic brain changes (diagnoses, organic brain lesions are assessed at baseline)
- substance abuse

Study & Design

• Study Type: interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Primary outcome is the difference in the Yale-Brown Obsessive Compulsive Scale (Y-BOCS) total score between t0 and t1 assessment<br>.

Secondary Outcome Measures

Name	Time	Method
The following secondary outcome measures are assessed at baseline (t0), after 8 weeks (t1) and for follow-up (t2): changes in self-reported frequency and distress experienced by OC symptoms (OCI-R), cognitive biases (OBQ), depressive symptoms (BDI), quality of life, and metacognitive distortions (MCQ). Moreover, change in Y-BOCS total score from t0 to t2 is defined as secondary outcome measure.