Unguided movie- and mobile therapy for patients with obsessive-compulsive disorder: randomized controlled trial

Unguided movie- and mobile therapy for patients with obsessive-compulsive disorder: randomized controlled trial - Unguided movie- and mobile therapy for patients with obsessive-compulsive disorder: randomized controlled trial

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000056021

Enrollment

Registered

2024-11-01

Start date

2024-11-07

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

obsessive-compulsive disorder

Interventions

The intervention group will receive a mobile device-based intervention using an application grounded in CBT. The treatment period will be 8 weeks, during which 21 sessions will be conducted. Partici

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: The study will include outpatients aged 18 years or older diagnosed with OCD, who regularly use mobile devices in their daily lives. The diagnosis will be based on the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition. Concomitant therapies, including pharmacotherapy, will be allowed.

Exclusion criteria

Exclusion criteria: Patients who require imminent hospitalization, pose a risk of suicide or self-harm, have intellectual disabilities, have comorbid schizophrenia, or have previously undergone behavioral therapy or cognitive-behavioral therapy (CBT) will be excluded.

Design outcomes

Primary

Measure	Time frame
The primary outcome for effectiveness will be the comparison of the Yale-Brown Obsessive Compulsive Scale between the intervention and control groups using a linear mixed model for repeated measures (MMRM) to test the difference in score changes between the two groups from baseline to weeks 4 and 8. As a measure of tolerability, participants in the intervention group who complete 80% or more of the sessions by the 8-week point will be defined as treatment completers, and the proportion of completers will be calculated. Participants who complete less than 50% of the sessions by the 8-week point will be defined as dropouts. In the waitlist control group, participants will be asked at the 8-week point whether they received any psychotherapy during the period; those who did will be considered dropouts from the waitlist control group.	—

Measure

Time frame

The primary outcome for effectiveness will be the comparison of the Yale-Brown Obsessive Compulsive Scale between the intervention and control groups using a linear mixed model for repeated measures (MMRM) to test the difference in score changes between the two groups from baseline to weeks 4 and 8. As a measure of tolerability, participants in the intervention group who complete 80% or more of the sessions by the 8-week point will be defined as treatment completers, and the proportion of completers will be calculated. Participants who complete less than 50% of the sessions by the 8-week point will be defined as dropouts. In the waitlist control group, participants will be asked at the 8-week point whether they received any psychotherapy during the period; those who did will be considered dropouts from the waitlist control group.

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Secondary

Measure	Time frame
Obsessive-Compulsive Inventory-Revised, Patient Health Questionnaire,The 5-level EQ-5D version (at 8 weeks, between groups) Scale To Assess Therapeutic Relationship (desctiptive, intervention arm) free form for impressions and areas for improvement. Response defined as a 30% reduction in the Y-BOCS score, and remission defined as a Y-BOCS score of 14 or less.	—

Countries

Japan

Contacts

Public ContactHissei Imai

Ohashi psychiatric cilinic Department of psychiatry

ihits@hotmail.com0797-76-4610

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026