Noji, Yoshiaki
Matsui, Kentaro
Shimosaka, Sakiko
Sugiyama, Daijiro
Kuriyama, Kenichi
Tabuchi, Takahiro
Funding for this research was provided by:
Health Labor Sciences Research Grants
the Japan Society for the Promotion of Science (JSPS) KAKENHI Grants
National Institute for Environmental Studies
Article History
Received: 25 June 2026
Accepted: 13 August 2026
First Online: 19 August 2026
Declarations
Ethics approval and consent to participate: This study was performed in accordance with the Declaration of Helsinki and relevant guidelines and regulations. This study was approved by the Institutional Review Board of Osaka International Cancer Institute (20084-8) and the Ethics Committee of Tohoku University Graduate School of Medicine (2024–1–231). Electronic informed consent was obtained from all participants.
Consent for publication: Not applicable.
Competing interests: TT received financial support for research, consulting fees, or lecture fees from Daiichi Sankyo Healthcare Co., Ltd., Johnson & Johnson K.K., Data Seed Inc., Workout-Plus LLC, and EMMA Co., Ltd. KM received consulting fees from Eisai Co., Ltd. and speaking or lecture fees from Chugai Pharmaceutical Co., Ltd., Daiichi Sankyo Co., Ltd., Eisai Co., Ltd., Japan Blood Products Organization, Lundbeck Japan K.K., Meiji Seika Pharma Co., Ltd., Mitsubishi Tanabe Pharma Corporation, Mochida Pharmaceutical Co., Ltd., MSD K.K., Nobel Pharma Co., Ltd., Otsuka Pharmaceutical Co., Ltd., Sumitomo Pharma Co., Ltd., Takeda Pharmaceutical Company Limited, and Viatris Pharmaceuticals Japan Inc. SS and DS were employed by Daiichi Sankyo Healthcare Co., Ltd. KK received consulting or advisory fees and/or research grants from Eisai Co., Ltd., Meiji Seika Pharma Co., Ltd., MSD K.K., Takeda Pharmaceutical Company Limited, Mitsubishi Tanabe Pharma Corporation, Shionogi & Co., Ltd., Sumitomo Pharma Co., Ltd., Daiichi Sankyo Co., Ltd., Accuris Healthcare LLP, Taisho Pharmaceutical Co., Ltd., Nxera Pharma Japan Co., Ltd., Nobelpharma Co., Ltd., Lundbeck Japan K.K., Kissei Pharmaceutical Co., Ltd., and Sleep Healthcare Association. The remaining author declares no conflicts of interest. The funders had no role in the study design, data collection, analysis, data interpretation, writing of the manuscript, or the decision to submit the manuscript for publication.