Matsushita, Takaya
Wada, Yukihiro
Saburi, Masuo
Kobayashi, Kazuo
Tsukamoto, Shunichiro
Kawanami, Daiji
Suzuki, Daisuke
Tsuriya, Daisuke
Wakui, Hiromichi
Kanasaki, Keizo
Muta, Yoshimi
Tamura, Kouichi
Takeuchi, Yasuo
Toyoda, Masao
Article History
Received: 13 February 2026
Revised: 12 May 2026
Accepted: 24 May 2026
First Online: 4 June 2026
Compliance with ethical standards
:
: KK has received lecture fees from Otsuka Pharmaceutical and Novartis. Hiromichi Wakui has received research supports from AstraZeneca, Otsuka Pharmaceutical, and Kaneka Corporation, and honoraria from AstraZeneca, Otsuka Pharmaceutical, Kaneka Corporation, Kyowa Kirin, Sanwa Kagaku, Chugai Pharma, Kowa, Otsuka Pharmaceutical, Novartes, Mitsubishi-Tanabe Pharma, Bayer, and Daiichi-Sankyo Pharma. MT received lecture fees from Boehringer Ingelheim, Eli Lilly, Novo Nordisk, Sumitomo, and Mitsubishi Tanabe and received subsidies from Super Light Water, TAKAGI, Roche DC, and LifeScan. Kouichi Tamura has received honoraria/lecture fee from AstraZeneca, Novartes, Bayer, Otsuka Pharmaceutical, Boehringer Ingelheim, Fuji Pharma, Kyowa Kirin, Ono Pharmaceutical, Sanwa Kagaku, Mochida Pharmaceutical, Kowa, Eli Lilly, Novo Nordisk, commissioned clinical trials, contract research and joint research funding: AstraZeneca, Bayer, Novartis, Chinook, Otsuka Medical Devices, Novo Nordisk, Terumo, Variatris, and Kowa, and, Scholarship donations: Otsuka Pharmaceutical, Bayer, Mochida Pharmaceutical, and Boehringer Ingelheim. Daisuke Tsuriya received lecture fees from Eli Lilly, Novo Nordisk Pharma, and Tanabe Pharma Corporation. Daiji Kawanami received consulting/lecture fees from Bayer Yakuhin Ltd., Tanabe Pharma Corporation, Novo Nordisk Pharma Ltd., Eli Lilly Japan KK, Daiichi Sankyo Co., Ltd., and Sumitomo Pharma Co., Ltd., and grants from Nipro Corporation, Sumitomo Pharma Co., Ltd., and Tanabe Pharma Corporation. Keizo Kanasaki were supported by grants from the Japan Society for the Promotion of Science to Keizo Kanasaki (25K11544). KK collaborated with Boehringer Ingelheim, Kowa, Bayer, and Mitsubishi. KK received lecture honoraria from Sumitomo Pharma, Astra Zeneca, Otsuka, Taisho Pharma, Tanabe-Mitsubishi, Eli Lilly, Boehringer-Ingelheim, Novo Nordisk, Bayer, Novartis, and Kowa.