• Toshimasa Fujimura, Daiki Taira, Yoshihiro Uchida, Keitaro Takahashi, Kanako Yamasuji, Kentaro Shimizu, Yasuhito Nagai, Naoto Yoshinari, Tomoe Hirata, Kazuma Fujimoto, Yui Kurosawa, Seita Yasuda, Akane Yoshikawa, Yoshihide Takeshita, Masanobu Ito, Chihiro Kakiuchi, and Tadafumi Kato.
• Department of Psychiatry, Juntendo University School of Medicine, Tokyo, Japan.
• Medicine (Baltimore). 2024 Jan 5; 103 (1): e36217e36217.

AbstractPatients with bipolar disorder often report self-perceived treatment resistance. However, it is not known to what extent it is due to actual treatment resistance. The Juntendo University provides "Bipolar Disorder Treatment Rebuilding Program," in which patients with self-reported treatment resistant bipolar disorder are hospitalized for 2 weeks and undergo detailed examinations. In this study, we report our experience with the initial 43 patients hospitalized during the one and half years after the launch of the program. Among the patients who underwent full assessment, only one was regarded as having genuine treatment-resistant bipolar disorder without comorbidity. In other cases, ten were not diagnosed with bipolar disorder, 3 had organic brain diseases, 12 had comorbid mental disorders and its symptoms were regarded as treatment-resistant bipolar symptoms by the patients, and 18 did not receive adequate treatment because attendant physicians did not adhere to the treatment guidelines or patients did not adhere to the treatment because of lack of insight. The number of participants was not large, and selection bias hampered the generalization of the findings. Insight and adherence were assessed without the use of validated tools. We could not verify recovery after adequate treatment because of the limited hospitalization period. The findings suggest that most patients with self-perceived treatment-resistant bipolar disorder may not have genuine treatment-resistant bipolar disorder. These results shed light on the difficulties of public education of bipolar disorder and importance of providing appropriate services for diagnosis and treatment of bipolar disorder in the community.Copyright © 2024 the Author(s). Published by Wolters Kluwer Health, Inc.

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