obsessive-compulsive disorder, fear of contamination
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: OCD symptoms (scoring above 7 on the Y-BOCS diagnostic interview, self-report for the feasibility study)Fear of contamination OCD symptoms (scoring above 6 on the Padua Inventory - Contamination Fear Subscale) 18-64 years oldHave an access to a compatible smartphoneHave an internet connectionProficiency in one of the countries’ language (i.e., Dutch, Swedish, or German)Willing to participate in the research study and provide informed consent
Exclusion criteria
Exclusion criteria: Having been diagnosed with a bipolar or psychotic disorder (self-report)Fear of contamination being a symptom of other disorder than OCD, such as anxiety (based on a clinical judgment, Y-BOCS, GAD-7, SHAI)Severe depressive symptoms (PHQ-9 > 20 points at baseline)Reporting suicidality (PHQ-9, item 9 > 2 points at baseline)Parallel psychological treatmentNon-stable dosage of psychoactive medication during last 3 months or planned changes during the study period
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The main study parameters are the post-intervention and the follow-up differences in OCD symptoms between the experimental and control condition, post-intervention and follow-up differences for the experimental condition compared to baseline, and the differences in costs between the three conditions. In the feasibility study, a number of parameters related to user-friendliness and usage of the app will be assessed. | — |
Secondary
| Measure | Time frame |
|---|---|
| In the RCT, secondary outcomes will include weekly index of OCD symptoms, anxiety symptoms, depressive symptoms, overall social functioning, quality of life, and substance use. In the feasibility study, secondary outcomes will involve treatment satisfaction, user experience, realism of the AR exposure, safety, usage, reasons for discontinuation, understanding of the treatment, technical alliance between patients and the platform, engagement, and OCD symptoms. | — |
Countries
Netherlands, Sweden, Switzerland
Contacts
Vrije Universiteit