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Authors
Fujikawa, Ryo https://orcid.org/0009-0002-4763-3588
Nagano, Nobuo https://orcid.org/0000-0001-6527-3286
Mitobe, Yuko https://orcid.org/0000-0001-8897-8561
Ito, Kyoko
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Funding
Funding for this research was provided by:
Torii Pharmaceutical
Kyowa Hakko Kirin
Nobelpharma
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Article History
Received: 8 August 2025
Accepted: 19 October 2025
First Online: 31 October 2025
Declarations
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: Ryo Fujikawa and Yuko Mitobe are employees of Torii Pharmaceutical Co., Ltd. Nobuo Nagano has received honoraria for lectures on anemia from Kyowa Kirin CO., Ltd, Nobelpharma Co., Ltd, and Torii Pharmaceuticals Co., Ltd. Kyoko Ito has no conflicts of interest to declare.
: This study was conducted in accordance with the Declaration of Helsinki and Ethical Guidelines for Medical and Biological Research Involving Human Subjects. The protocol was approved by the Review Board of Human Rights and Ethics for Clinical Studies Ethics Review Committee (approval number: E2023-04–001). All procedures involving human participants were conducted in accordance with the ethical standards of the Hidaka Hospital Medical Ethics Committee (approval number: 373).
: All study participants provided written informed consent before undergoing study procedures.
