Comparing Exposure v Imagery Rescripting in People With OCD: a SCED

King's College London6 enrolled

Overview

Individuals with OCD may experience intrusive future orientated thoughts and images, which are extremely distressing and interfering in life. This project aims to explore whether imagery rescripting or exposure may be a more effective intervention for individuals with OCD experiencing such images.

Study Type

INTERVENTIONAL

Allocation

RANDOMIZED

Purpose

TREATMENT

Masking

NONE

Enrollment

Conditions

Obsessive-Compulsive Disorder (OCD)

Interventions

Imagery interventionOTHER

Imagery rescripting or imaginal exposure

Eligibility

Sex: ALLMin age: 18 Years

Medical Language ↔ Plain English

Inclusion Criteria: * 18 years or over * Main diagnosis of OCD (assessed by the Structured Clinical Interview for ICD11) * Must report future orientated images that are distressing and ego-dystonic Exclusion Criteria: * Psychosis, bipolar disorder, or trauma disorder * Current stimulant or hallucinogenic misuse, alcohol or substance misuse or dependence * Intellectual disability, dementia, serious cognitive impairment, or organic brain disorder * Personality Disorder as the main problem * Active suicidality * Concurrent engagement in other psychotherapy * A patient may be taking anti-depressant medication so long as the dose has been stable for 6 weeks and there is no plan to increase the dose.

Locations (1)

Centre for Anxiety Disorders and Trauma

London, United Kingdom

Outcomes

Primary Outcomes

Obsessive Compulsive Inventory (OCI).

A 42-item self-report scale to assess the severity and type of OCD symptoms; the OCI uses a 5-point Likert scale ranging from 0 (not at all) to 4 (extremely) and measures distress relating to 7 different subscales (washing, checking, doubting, ordering, obsessions, hoarding, and mental neutralizing). The total summed score of all items ranged between zero and 168. This measure will be completed at the beginning and end of each phase. Higher scores suggest more severe OCD symptomology.

Time frame: From the start of treatment until the end of treatment at 12 weeks.

Yale-Brown Obsessive-Compulsive scale (Y-BOCS).

A 10-item self-rated scale used to measure the severity of obsessive-compulsive symptoms and response to treatment; each item is scored from 0 (no symptoms) to 4 (extreme symptoms), with a total ranging from zero to 40. It will be completed at the beginning and end of each phase. Higher scores suggest more severe OCD symptomatology.

Time frame: From the start of treatment until the end of treatment at 12 weeks.

The Impact of Future Events Scale (IFES).

A 24-item self-rating scale used to measure the impact of intrusive prospective, personally relevant imagery. Each item is scored from 0 (no symptoms) to 4 (extreme symptoms), with a total ranging from zero to 96. Higher scores indicate greater symptomatology. This will be completed at the beginning and end of each phase.

Time frame: From the start of treatment until the end of treatment at 12 weeks.

The Florida Obsessive Compulsive Inventory (FOCI).

Designed to measure the severity and frequency of obsessive-compulsive symptoms in individuals. The severity scale (Part B) of the FOCI was used in the project. Part B is a 5-item self-rating scale used to measure the frequency, severity, and impact of obsessive-compulsive symptoms; each item is scored from 0 (no symptoms) to 4 (extreme symptoms), with a total ranging from zero to 20. Higher scores indicate greater symptomology.

Time frame: From the start of treatment until the end of treatment at 12 weeks.

Data from ClinicalTrials.gov

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