Shibaki, Ryota
Murakami, Shuji
Shinno, Yuki
Matsumoto, Yuji
Yoshida, Tatsuya
Goto, Yasushi
Kanda, Shintaro
Horinouchi, Hidehito
Fujiwara, Yutaka
Yamamoto, Nobuyuki
Yamamoto, Noboru
Ohe, Yuichiro
Article History
Received: 5 November 2019
Accepted: 28 February 2020
First Online: 10 March 2020
Compliance with ethical standards
:
: Shuji Murakami has served on speakers’ bureaus for Taiho Pharmaceutical and Ono Pharmaceutical. Yasushi Goto has held consulting/advisory roles for Taiho Pharmaceutical; served on speakers’ bureaus for Taiho Pharmaceutical, Ono Pharmaceutical, Bristol-Myers Squibb, and Merck Sharp and Dohme (MSD); and received research funding from Taiho Pharmaceutical, Bristol-Myers Squibb, and Ono Pharmaceutical. Shintaro Kanda has received research funding from Ono Pharmaceutical and honoraria from Ono Pharmaceutical and Bristol-Myers Squibb. Hidehito Horinouchi has received research funding from MSD, Bristol-Myers Squibb, Ono Pharmaceutical, and Taiho Pharmaceutical. Yutaka Fujiwara has received research funding from MSD and served on speakers’ bureaus for MSD, Taiho Pharmaceutical, Bristol-Myers Squibb, and Ono Pharmaceutical. Nobuyuki Yamamoto has held consulting/advisory roles for Taiho Pharmaceutical; served on speakers’ bureaus for Ono Pharmaceutical, Bristol-Myers Squibb, and MSD; and received honoraria from Ono Pharmaceutical and MSD. Noboru Yamamoto has received research funding from Taiho Pharmaceutical, Bristol-Myers Squibb, and Ono Pharmaceutical; and served on speakers’ bureaus for Bristol-Myers Squibb and Ono Pharmaceutical. Yuichiro Ohe has received research funding from Taiho Pharmaceutical and MSD and honoraria from Taiho Pharmaceutical and MSD. All remaining authors declare no conflicts of interest.
: This study was approved by the Institutional Review Board of the National Cancer Center Hospital, Tokyo, Japan, and has been performed in accordance with the ethical standards described in the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards (No. 2018–268).
: Informed consent was not obtained from each patient, because this retrospective analysis of existing data did not require any interaction with patients and did not intervene in their treatment.