Two different versions of cognitive behaviour therapy for body dysmorphic disorder

Not Applicable

Completed

• Conditions: Body dysmorphic disorder; Mental and Behavioural Disorders; Somatoform disorders

• Registration Number: ISRCTN96566335
• Lead Sponsor: Institute of Psychiatry, Kings College London (UK)

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Start: 2009-10-20
• Last Update Posted: 17 October 2016

Recruitment & Eligibility

• Status: Completed
• Sex: All
• Target Recruitment: 44

Inclusion Criteria

1. BDD is the main psychological problem. We will use Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition (DSM-IV) criteria as BDD does not exist as a separate diagnosis in the International Classification of Disease, version 10 (ICD-10). They may have an additional diagnosis of delusional disorder when it refers to beliefs about being ugly or defective.
2. They must have a total of 24 or more on the twelve-item Yale-Brown Obsessive Compulsive Scale (YBOCS) modified for BDD
3. They may be of either gender but must be 17 years or above
4. They are willing to travel to the treatment centre for weekly sessions
5. They are willing to complete regular questionnaires and be audiotaped for supervision and for listening to enhance their learning
6. They may be taking psychotropic medication so long as it is stabilised and there are no plans to increase the dose

Exclusion Criteria

1. They have a current or past diagnosis of schizophrenia, bipolar affective disorder
2. They have current suicidal intent or severe self-neglect that requires hospitalisation
3. They have a current alcohol or substance dependence or anorexia nervosa or borderline personality disorder that requires treatment in its own right
4. They are currently receiving any other form of psychotherapy
5. They have received CBT for BDD in the past 6 months, which is judged as competently delivered and did not respond
6. They cannot speak sufficient English for CBT (assistance will be provided for those who speak English but are unable to read questionnaires)

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Yale Brown Obsessive Compulsive Scale (modified for BDD) (BDD-YBOCS), which will be done by a blind assessor at 12 weeks.

Secondary Outcome Measures

Name	Time	Method
Two observer-rated scales:<br>1. Brown Assessment of Beliefs to measure the strength of conviction in beliefs about being ugly<br>2. Montgomery Asberg Depression rating scale<br><br>Five brief self-rated scales: <br>1. The Body Image Quality Of Life (BIQL) inventory, which is a disorder-specific quality of life measure and used in BDD<br>2. Depression (nine-item Patient Health Questionnaire [PHQ9])<br>3. Anxiety (Generalised Anxiety Disorder Assessment [GAD7])<br>4. Appearance Anxiety Inventory (AAI)<br>5. EQ5-D, a measure of health-related quality of life<br><br>Patients will be reassessed on all measures at 6 and 12 weeks. Patients in the CBT specific for BDD group will be assessed at 1 month, 3 months and 1 year following treatment. In addition, the PHQ9, GAD7 and AAI are measured weekly for case tracking during treatment. The primary end-point is at 12 weeks. Patient preference as to treatment group and their expectations and beliefs about treatment (pre- and post-) will also be recorded.