Olfactory Reference Syndrome
Conditions
Brief summary
The primary aim of the study is to test the feasibility and efficacy of, a manual based, Internet-delivered, cognitive behaviour therapy (CBT) for patients with Olfactory Reference Syndrome (ORS) who live in Sweden. The secondary aim is to investigate smell sensitivity and body odor in these ORS-patients.
Interventions
BEHAVIORALCognitive behavioral therapy
Cognitive behavioral therapy
Sponsors
Region Stockholm
Volen Ivanov
Study design
Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE
Eligibility
Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No
Inclusion criteria
* Primary diagnosis of ORS * Outpatients * Male or female * Signed informed consent * Have regular access to a computer with Internet access and skills to use the web
Exclusion criteria
* Not able to read or understand the basics of the ICBT self-help material * Psychotropic medication changes within two months prior to treatment * Completed CBT for ORS within last 12 months * Ongoing substance dependence or misuse * Lifetime bipolar disorder or psychosis * Suicidal ideation * Axis II diagnosis that could jeopardize treatment participation * Serious physical illness that will be an obstacle in ICBT * Other ongoing psychological treatments that could affect ORS symptoms * Epilepsia
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Yale-Brown Obsessive Compulsive Scale Modified for olfactory reference syndrome (ORS-YBOCS) | Change from baseline (week 0) to post-treatment (week 10). | The instrument is a 12-item clinician-administered scale rating the severity of ORS symptoms during the past week. Each item is scored along a Likert scale ranging from 0 (least extreme) to 4 (most extreme), with higher total scores indicating more severe ORS symptoms (range 0-48). |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Yale-Brown Obsessive Compulsive Scale Modified for olfactory reference syndrome - Self Report (ORS-YBOCS-SR) | Change from baseline (week 0) to post-treatment (week 10). | The instrument is a12-item self-administered scale rating the severity of ORS symptoms during the past week. Each item is scored along a Likert scale ranging from 0 (least extreme) to 4 (most extreme), with higher total scores indicating more severe ORS symptoms (range 0-48). |
| The Montgomery Åsberg Depression Rating Scale - self report (MADRS-S) | Change from baseline (week 0) to post-treatment (week 10). | — |
Countries
Sweden
Outcome results
None listed