Yoshimura, Masaru https://orcid.org/0000-0003-0811-4902
Fujieda, Yuichiro https://orcid.org/0000-0003-4705-341X
Sugawara, Masanari https://orcid.org/0000-0001-7146-533X
Kono, Michihito https://orcid.org/0000-0002-7663-534X
Kato, Masaru https://orcid.org/0000-0002-2023-6585
Yokota, Isao https://orcid.org/0000-0001-6254-2225
Amengual, Olga https://orcid.org/0000-0002-1193-4832
Ito, Yoichi M. https://orcid.org/0000-0001-5073-0827
Atsumi, Tatsuya https://orcid.org/0000-0001-5657-962X
Article History
Received: 28 January 2022
Accepted: 18 March 2022
First Online: 6 April 2022
Declarations
:
: T. Atsumi reports grants from Astellas, Takeda Pharmaceutical, Mitsubishi Tanabe, Chugai Pharmaceutical, Daiichi Sankyo, Otsuka Pharmaceutical, Pfizer, and Alexion, and personal fees from Mitsubishi Tanabe, Chugai Pharmaceutical, Astellas, Takeda Pharmaceutical, Pfizer, AbbVie, Eisai, Daiichi Sankyo, Bristol-Myers Squibb, UCB Japan, Eli Lilly Japan, AstraZeneca, MEDICAL & BIOLOGICAL LABORATORIES, ONO PHARMACEUTICAL, Novartis, and Nippon Boehringer Ingelheim, outside the submitted work. M. Kato has received research grants from AbbVie, Actelion, and GlaxoSmithKline and speaking fees from Eli Lilly. M. Kono has received research grants from GlaxoSmithKline plc, Mitsubishi Tanabe, Astellas, Sanofi, Taisho Pharmaceutical, and Taisho Pharmaceutical, outside the submitted work. The other authors state that they have no conflict of interest.
: This study and protocol were conducted in accordance with the ethical principles of Declaration of Helsinki and the Good Clinical Practice guidelines approved by Hokkaido University Hospital Ethics Committee (approval number: 020-0072). Date: 6/11/2020.
: This study is a retrospective study. Patients were not required to give informed consent to this particular study because the analysis used anonymous clinical data that were obtained patients who had given prior written consent. We also applied an Opt-out method to obtain consent on this study.