Kuboki, Yasutoshi http://orcid.org/0000-0003-3675-953X
Terazawa, Tetsuji
Masuishi, Toshiki http://orcid.org/0000-0002-7521-1596
Nakamura, Masato
Watanabe, Jun
Ojima, Hitoshi http://orcid.org/0000-0003-3551-9796
Makiyama, Akitaka http://orcid.org/0000-0002-4017-668X
Kotaka, Masahito
Hara, Hiroki http://orcid.org/0000-0003-3881-9815
Kagawa, Yoshinori
Sugimoto, Naotoshi
Kawakami, Hisato http://orcid.org/0000-0002-3280-4850
Takashima, Atsuo http://orcid.org/0000-0002-8456-1248
Kajiwara, Takeshi http://orcid.org/0000-0001-5337-9833
Oki, Eiji http://orcid.org/0000-0002-9763-9366
Sunakawa, Yu http://orcid.org/0000-0002-0163-7543
Ishihara, Soichiro
Taniguchi, Hiroya
Nakajima, Takako Eguchi
Morita, Satoshi
Shirao, Kuniaki
Takenaka, Naruhito
Ozawa, Daisuke
Yoshino, Takayuki http://orcid.org/0000-0002-0489-4756
Funding for this research was provided by:
Taiho Pharmaceutical
Article History
Received: 28 September 2022
Revised: 9 February 2023
Accepted: 17 February 2023
First Online: 4 March 2023
Competing interests
: YKu has received (in the past 36 months) institutional grants or contracts from Taiho, Takeda, Ono, AbbVie, AstraZeneca, Boehringer Ingelheim, Incyte, Amgen, Chugai, GlaxoSmithKline, Genmab, Astellas, and Daiichi Sankyo; personal consulting fees from Taiho, Takeda, and Boehringer Ingelheim; and payment or honoraria for lectures, presentations, speaker’s bureau, manuscript writing, or educational events from Taiho, Ono, Bayer, and Sanofi. TT has received (in the past 36 months) payment or honoraria for lectures, presentations, speaker’s bureau, manuscript writing, or educational events from Chugai, Eli Lilly Japan, Taiho Pharmaceutical, and Sanofi; has been part of the data safety monitoring board or advisory board of Sanofi; and is an employee for Shionogi. TM has received (in the past 36 months) institutional grants or contracts from MSD, Daiichi Sankyo, Ono, and Novartis and personal consulting fees from Takeda, Chugai, Merck Biopharma, Taiho, Bayer, Eli Lilly Japan, Yakult Honsha, Sanofi, Daiichi Sankyo, Ono, and Bristol Myers Squibb. MN has received (in the past 36 months) payment or honoraria for lectures, presentations, speaker’s bureau, manuscript writing, or educational events from Bayer, Daiichi Sankyo, Merck Biopharma, Taiho Pharmaceutical, Yakult, Chugai, Eli Lilly Japan, Ono, and Takeda. JW has received (in the past 36 months) institutional grants or contracts from Medtronic, Amco, and Terumo and payment or honoraria for lectures, presentations, speaker’s bureau, manuscript writing, or educational events from Medtronic, Johnson & Johnson, and Eli Lilly. AM has received (in the past 36 months) payment or honoraria for lectures, presentations, speaker’s bureau, manuscript writing, or educational events from Eli Lilly Japan, Ono, Daiichi Sankyo, Taiho, and Bristol Myers Squibb. MK has received (in the past 36 months) payment or honoraria for lectures, presentations, speaker’s bureau, manuscript writing, or educational events from Chugai, Taiho, and Yakult. HH has received (in the past 36 months) institutional grants from Amgen, AstraZeneca, BeiGene, Chugai, Sumitomo Dainippon, Janssen, MSD, Taiho, Astellas, Bayer, Boehringer Ingelheim, Daiichi Sankyo, Eisai, Merck Biopharma, and Ono; personal consulting fees from Bristol Myers Squibb, Daiichi Sankyo, MSD, Boehringer Ingelheim, Sumitomo Dainippon, and Ono; and payment or honoraria for lectures, presentations, speaker’s bureau, manuscript writing, or educational events from Bayer, Chugai, Kyowa Kirin, Merck Biopharma, Ono, Taiho, Yakult, Bristol Myers Squibb, Daiichi Sankyo, Eli Lilly, MSD, Sanofi, and Takeda. YKa has received (in the past 36 months) payment or honoraria for lectures, presentations, speaker’s bureau, manuscript writing, or educational events from Taiho, Eli Lilly, Chugai, Takeda, Ono, Yakult, Sanofi, Merck, and MSD. HK has received (in the past 36 months) institutional grants or contracts from Chugai Pharmaceutical, Kobayashi Pharmaceutical Co. Ltd., Taiho, and Eisai; personal consulting fees from Daiichi Sankyo; and payment or honoraria for lectures, presentations, speaker’s bureau, manuscript writing, or educational events from Bristol Myers Squibb, Eli Lilly Japan, Ono, Daiichi Sankyo, Takeda, Teijin Pharma Ltd., GlaxoSmithKline K.K., Bayer, MSD K.K., Chugai, Merck Biopharma, Yakult, Taiho, and Otsuka. AT has received (in the past 36 months) institutional grants or contracts from MSD, Daiichi Sankyo, Taiho Pharmaceutical, Hutchison MediPharma, Incyte, Ono, Sumitomo Dainippon, Pfizer Inc., and Isofol Medical AB and payment or honoraria for lectures, presentations, speaker’s bureau, manuscript writing, or educational events from Chugai Pharmaceutical, Taiho Pharmaceutical, Ono, Eli Lilly, and MSD. TK has received (in the past 36 months) payment or honoraria for lectures, presentations, speaker’s bureau, manuscript writing, or educational events from Taiho Pharmaceutical, Chugai Pharmaceutical, Ono, and Eli Lilly Japan. EO has received (in the past 36 months) payment or honoraria for lectures, presentations, speaker’s bureau, manuscript writing, or educational events from Taiho. YS has received (in the past 36 months) institutional grants or contracts from Chugai, Taiho, Takeda, Sanofi, Otsuka, and Eli Lilly Japan; payment or honoraria for lectures, presentations, speaker’s bureau, manuscript writing, or educational events from Eli Lilly Japan, Bristol Myers Squibb, Chugai, Takeda, Ono, Merck Biopharma, Taiho, Bayer, Daiichi Sankyo, MSD, Sysmex, and Guardant Health; and has participated on the data safety monitoring board or advisory board of Daiichi Sankyo, MSD, and Guardant Health. SI has received (in the past 36 months) institutional grants or contracts from Yakult and payment or honoraria for lectures, presentations, speaker’s bureau, manuscript writing, or educational events from Taiho and Yakult. HT has received (in the past 36 months) institutional grants or contracts from Takeda, Daiichi Sankyo, and Ono and payment or honoraria for lectures, presentations, speaker’s bureau, manuscript writing, or educational events from Takeda, Taiho, Eli Lilly Japan, Merck Biopharma, Ono, and Chugai. TEN has received (in the past 36 months) institutional royalties or licenses from Sumitomo Dainippon, Ono, Taiho, Takeda, Chugai, Sanofi K.K., Nippon Kayaku Co., MSD K.K., and Eli Lilly Japan; personal consulting fees from Thyas Co. Ltd. and Rebirthel Co. Ltd.; and payment or honoraria for lectures, presentations, speaker’s bureaus, manuscript writing, or educational events from Sumitomo Dainippon, Boehringer Ingelheim, Bristol Myers Squibb, Ono, Taiho, Amgen, Takeda, Chugai, Sanofi K.K., Novartis Japan, Nippon Kayaku Co., MSD K.K., Eli Lilly Japan, Bayer, Pfizer Japan Inc., Daiichi Sankyo, Yakult, Nipro Co., Merck Serono Co., AstraZeneca, IQVIA, and GlaxoSmithKline. SM has received (in the past 36 months) payment or honoraria for lectures, presentations, speaker’s bureau, manuscript writing, or educational events from AstraZeneca K.K., Bristol Myers Squibb Company, Chugai, Eli Lilly Japan, MSD K.K., Nippon Boehringer Ingelheim, Novartis Pharma K.K., Ono, Pfizer Japan Inc., and Taiho. NT and DO are employees of Taiho. TY has received (in the past 36 months) institutional grants or contracts from Ono, Sanofi K.K., Daiichi Sankyo, Parexel International Inc., Pfizer Japan Inc., Taiho Pharmaceutical, MSD K.K., Amgen K.K., Genomedia Inc., Sysmex Corporation, Chugai, and Nippon Boehringer Ingelheim and payment or honoraria for lectures, presentations, speaker’s bureau, manuscript writing, or educational events from Taiho, Chugai, Eli Lilly Japan, Merck Biopharma, Bayer, Ono, and MSD K.K. HO, NS, and KS have nothing to disclose.
: The study protocol was approved by the institutional review board or ethics committee of each institution. The study was conducted in compliance with the Declaration of Helsinki and the Clinical Trials Act.