{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,7,30]],"date-time":"2025-07-30T10:05:10Z","timestamp":1753869910448,"version":"3.41.2"},"reference-count":37,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2025,2,16]],"date-time":"2025-02-16T00:00:00Z","timestamp":1739664000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001691","name":"Japan Society for the Promotion of Science","doi-asserted-by":"publisher","award":["21K15729"],"award-info":[{"award-number":["21K15729"]}],"id":[{"id":"10.13039\/501100001691","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["PCN Reports"],"published-print":{"date-parts":[[2025,3]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Self\u2010help programs without therapist involvement for obsessive\u2013compulsive disorder (OCD) are promising, but the high dropout rate is a significant issue. Our software, which incorporates entertainment elements, showed a completion rate of over 80% in a pre\u2013post comparison study, with superior effectiveness. This is the protocol for a study that aims to evaluate the efficacy and tolerability of a video\u2010based mobile application for OCD treatment through a randomized controlled trial.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>This study is designed as a randomized controlled trial with two parallel group comparison, with assessors blinded to group allocation. The study will include outpatients aged 18 years or older diagnosed with OCD. The intervention group will receive a mobile\u2010device\u2010based intervention using an application grounded in cognitive behavioral therapy. The treatment period will be 8 weeks, during which 21 sessions will be conducted. Participants not allocated to the intervention group will be assigned to a waitlist control group for 8 weeks. The primary outcome for effectiveness will be the comparison of the Yale\u2013Brown Obsessive Compulsive Scale. As the primary outcome for tolerability, participants in the intervention group who complete 80% or more of the sessions by the 8\u2010week point will be defined as treatment completers, and the proportion of completers will be calculated. Assuming a 10% attrition rate, a total of 88 participants will be needed.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Results will be presented according to the protocol.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>If this study demonstrates that OCD can be improved through mobile\u2010based self\u2010help\u00a0treatment without therapist involvement, it will become an important treatment option for patients.<\/jats:p><\/jats:sec>","DOI":"10.1002\/pcn5.70065","type":"journal-article","created":{"date-parts":[[2025,2,17]],"date-time":"2025-02-17T04:14:56Z","timestamp":1739765696000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Movie\u2010 and mobile\u2010therapy without therapist involvment for patients with obsessive\u2013compulsive disorder: Protocol for a randomized controlled 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