Cognitive therapy for Obsessive-Compulsive Disorder

Phase-Based Progress Estimates
Obsessive-Compulsive DisorderCognitive therapy - Other
All Sexes
What conditions do you have?

Study Summary

This trial will compare a traditional behavioral approach to OCD with a newer cognitive-based approach to see which is more effective and more acceptable to patients.

Eligible Conditions
  • Obsessive-Compulsive Disorder

Treatment Effectiveness

Effectiveness Progress

1 of 3

Study Objectives

3 Primary · 3 Secondary · Reporting Duration: Through study completion (week 3; week 6; one week post therapy; 6 month follow-up; 12 month follow-up).

Baseline, up to week two.
Incidents of participants that refuse treatment
Month 12
Anxiety Disorders Interview Schedule for DSM-5 (ADIS-5; Brown & Barlow, 2014)
Month 12
The Vancouver Obsessional Compulsive Inventory (VOCI; Thordarson, Radomsky, Rachman, et al., 2004)
The Yale-Brown Obsessive Compulsive Scale (YBOCS; Goodman, Price, Rasmussen, et al., 1989)
Month 12
Treatment and Acceptability Adherence Scale (TAAS; Milosevic, Levy, Alcolado & Radomsky, 2015)
Week 2
Incidents of participants that drop-out of treatment

Trial Safety

Safety Progress

1 of 3

Trial Design

2 Treatment Groups

Behavioural Therapy
1 of 2
Cognitive Therapy
1 of 2

Active Control

Experimental Treatment

100 Total Participants · 2 Treatment Groups

Primary Treatment: Cognitive therapy · No Placebo Group · N/A

Cognitive Therapy
Experimental Group · 1 Intervention: Cognitive therapy · Intervention Types: Other
Behavioural Therapy
ActiveComparator Group · 1 Intervention: Exposure and Response Prevention · Intervention Types: Behavioral

Trial Logistics

Trial Timeline

Screening: ~3 weeks
Treatment: Varies
Reporting: through study completion (week 3; week 6; one week post therapy; 6 month follow-up; 12 month follow-up).

Who is running the clinical trial?

University College London HospitalsOTHER
175 Previous Clinical Trials
459,694 Total Patients Enrolled
McGill UniversityOTHER
359 Previous Clinical Trials
976,717 Total Patients Enrolled
University of British ColumbiaOTHER
1,328 Previous Clinical Trials
1,534,587 Total Patients Enrolled
6 Trials studying Obsessive-Compulsive Disorder
733 Patients Enrolled for Obsessive-Compulsive Disorder
Concordia University, MontrealLead Sponsor
18 Previous Clinical Trials
4,111 Total Patients Enrolled
1 Trials studying Obsessive-Compulsive Disorder
7 Patients Enrolled for Obsessive-Compulsive Disorder
Université de MontréalOTHER
195 Previous Clinical Trials
92,666 Total Patients Enrolled
Adam S Radomsky, PhDPrincipal InvestigatorConcordia University, Montreal

Eligibility Criteria

Age 18+ · All Participants · 2 Total Inclusion Criteria

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is necessary In order to be successful in the U.S., it is necessary to be able to read, write, and communicate in English.