Bergen Four-Day Treatment for OCD, in Finland
Official title: Bergen Four-Day Treatment (B4DT) for Obsessive-Compulsive Disorder
Run by Tampere University Hospital · NCT07644130 · Data updated 2026-11-12
This trial tests whether the Bergen Four-Day Treatment for OCD can be implemented in Finnish psychiatric care to help people with OCD see if the intensive program works in a real-world setting.
Quick facts
| Study type | Interventional |
|---|---|
| Ages | 18 Years and up |
| Sex | All |
| Enrollment | 65 (estimated) |
| Sponsor | Tampere University Hospital Academic / other |
| Locations | 1 site (Tampere) |
| Status | Recruiting |
| Started | June 1, 2026 |
| Main results expected | December 2027 |
| Study ends | December 2027 |
| Registry record updated | September 8, 2026 |
| Trial ID | NCT07644130 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Adults diagnosed with obsessive-compulsive disorder who are willing to participate in exposure-based therapy and can engage in an intensive four-day program.
✕Probably not a fit
Individuals with severe comorbid conditions, significant suicidality, intellectual disability, autism spectrum disorder precluding participation, current psychotic symptoms, active substance dependence, or ongoing psychotherapy that would interfere with B4DT may not benefit.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
The study expands access to the Bergen Four-Day Treatment (B4DT) for obsessive-compulsive disorder by integrating it into Tampere University Hospital's care pathways. It involves training local staff and evaluating how well the model fits within the Finnish healthcare system, including clinicians' attitudes and patient outcomes. Approximately 35 participants with OCD will be recruited across multiple groups, using the same admission criteria as the standard B4DT program. This is a pragmatic, implementation-focused study rather than a traditional efficacy trial. Exclusion criteria reflect safety and engagement considerations typical for intensive exposure-based therapy.
Why it matters
Potential benefit: If successful, patients may gain access to an intensive, structured OCD treatment within their local healthcare system, potentially improving symptom management and functioning.
How similar studies have gone: Prior implementations of B4DT in other settings have shown promise, supporting feasibility; this study assesses adaptability and real-world outcomes in Finland.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * diagnosed with obsessive-compulsive disorder * willingness to participate in exposure-based treatment Exclusion Criteria: * intellectual disability * autism spectrum disorder that precludes engagement in psychotherapeutic work * a psychotic disorder with current psychotic symptoms * underweight or very rapid weight loss affecting cognition * severe suicidality * substance dependence * benzodiazepine medication (use of Z-drugs as sleep medication is permitted) * In addition, ongoing psychotherapy may prevent participating in the B4DT.
Where it's running
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Tampere University Hospital
Tampere, Finland Recruiting
Study contacts
- Principal investigator: Aino Mattila — Tampere University Hospital
- Study coordinator: Aino Mattila
- Email: aino.mattila@pirha.fi
- Phone: +358503439168
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.