Sasaki, Tomonari
Seto, Takashi
Yamanaka, Takeharu
Kunitake, Naonobu
Shimizu, Junichi
Kodaira, Takeshi
Nishio, Makoto
Kozuka, Takuyo
Takahashi, Toshiaki
Harada, Hideyuki
Yoshimura, Naruo
Tsutsumi, Shinichi
Kitajima, Hiromoto
Kataoka, Masaaki
Ichinose, Yukito
Nakagawa, Kazuhiko
Nishimura, Yasumasa
Yamamoto, Nobuyuki
Nakanishi, Yoichi
Article History
Received: 4 January 2018
Revised: 18 July 2018
Accepted: 2 August 2018
First Online: 12 September 2018
Competing interests
: All authors had full access to all the data in the study and take responsibility for the integrity of the data and the accuracy of the data analysis. T. Seto has received honoraria from Kyowa Hakko Kirin Co., Ltd. and Taiho Pharmaceutical Co., Ltd. T.Y. has received personal fees from Taiho Pharmaceutical Co., Ltd. N.K. has received personal fees from Taiho Pharmaceutical Co., Ltd. M.N. has received grants and personal fees from Taiho Pharmaceutical Co., Ltd. T.T. has received grants and personal fees from Taiho Pharmaceutical Co., Ltd. Y.I. has received honoraria from Kyowa Hakko Kirin Co., Ltd. and Taiho Pharmaceutical Co., Ltd. K.N. has received grants and personal fees from Taiho Pharmaceutical Co., Ltd., during the conduct of the study; grants and personal fees from Kyowa Hakko Kirin Co., Ltd. N. Yamamoto has received grants and personal fees from Kyowa Hakko Kirin Co., Ltd. and Taiho Pharmaceutical Co., Ltd. Y. Nakanishi has received grants from Taiho Pharmaceutical Co., Ltd. All other authors declared no competing interests.
: Each center’s institutional review board or ethics committee approved the study. The trial followed the principles of the Declaration of Helsinki and the Japanese Ethical Guidelines for Clinical Research. All patients provided written informed consent including the publication.
: All authors gave final approval of the version to be published.
: All data are available via the corresponding author and the WJOG.
: This work was supported by West Japan Oncology Group (WJOG). The Research fund was provided to WJOG by Taiho Pharmaceutical Co. Ltd under a research contract. The funders did not have any involvement in the design of the study; the collection, analysis, and interpretation of the data; the writing of the article; or the decision to submit the article for publication. No grant numbers are applicable.