The following represents disclosure information provided by authors of this abstract. The program committee has reviewed all presenting author disclosure reports, identified potential conflicts of interest, and implemented strategies to manage those areas of conflict, where appropriate. All relationships are considered compensated. Relationships are self-held unless otherwise noted. I = Immediate Family Member, Inst = My Institution
 
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A randomized study comparing electronic patient-reported outcome (ePRO) monitoring with routine follow-up during trastuzumab deruxtecan treatment in patients with metastatic breast cancer (PRO-DUCE study).
 
Yuichiro Kikawa
Honoraria - AstraZeneca; Chugai Pharma; Daiichi Sankyo/UCB Japan; Eisai; Lilly Japan; Novartis; Pfizer; Taiho Pharmaceutical
 
Yukari Uemura
Honoraria - Chugai Pharma
Speakers' Bureau - Pfizer
 
Tetsuhiko Taira
Honoraria - Chugai Pharma; Daiichi Sankyo/UCB Japan; Kyowa-Kirin,; Lilly; MSD; Taiho Pharmaceutical
 
Chiyoe Kitagawa
Speakers' Bureau - Chugai Pharma; Daiichi Sankyo/Astra Zeneca; Ono Yakuhin
Research Funding - Abbvie; ALX Oncology; Daiichi Sankyo/Astra Zeneca; MSD; Ono Yakuhin; Sanofi
 
Hideki Maeda
No Relationships to Disclose
 
Hiroaki Kato
No Relationships to Disclose
 
Naoki Hashimoto
No Relationships to Disclose
 
Mitsuchika Hosoda
Speakers' Bureau - Lilly Japan
 
Yohei Hamanaka
No Relationships to Disclose
 
Yuko Tanabe
Research Funding - Daiichi Sankyo; Lilly; MSD
 
Tatsuya Yoshida
No Relationships to Disclose
 
Kaori Tane
Honoraria - Chugai Pharma; Daiichi Sankyo; Eisai; Lilly; Pfizer
Consulting or Advisory Role - Daiichi Sankyo
 
Daisuke Takabatake
No Relationships to Disclose
 
Takashi Ishikawa
No Relationships to Disclose
 
Takayuki Iwamoto
Research Funding - Pfizer (Inst)
 
Takeshi Yamaguchi
No Relationships to Disclose
 
Daisuke Takiguchi
Employment - Daiichi Sankyo Co, Ltd
 
Hirofumi Mukai
Honoraria - Daiichi Sankyo; Taiho Pharmaceutical; Takeda
 
Naruto Taira
Speakers' Bureau - AstraZeneca/Daiichi Sankyo; Chugai Pharma; Daiichi Sankyo/Astra Zeneca; Eisai; Kirin Pharmaceuticals; MSD; MSD; Pfizer; Taiho Pharmaceutical
Research Funding - Chugai Pharma (Inst); Daiichi Sankyo/Astra Zeneca (Inst); Eisai (Inst); Kirin Pharmaceuticals (Inst); Lilly (Inst); Taiho Pharmaceutical (Inst)
 
Takafumi Sangai
Honoraria - AstraZeneca Japan; Chugai Pharma; Daiichi Sankyo/Astra Zeneca; Eisai; Kaken Pharmaceutical; Kyowa Hakko Kirin; Lilly Japan; Maruho; Miyarisan pharmaceutical; MSD; Nihonkayaku; PDRadiopharma; Pfizer; Taiho Pharmaceutical
Research Funding - Chugai Pharma (Inst); Eisai (Inst); Taiho Pharmaceutical (Inst)