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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Association between ctDNA levels, timing of blood collection, and overall survival in metastatic colorectal cancer.
 
Akinori Kobayashi
No Relationships to Disclose
 
Yoshiaki Nakamura
Consulting or Advisory Role - DAIICHI SANKYO Co., Ltd.; Exact Sciences; Gilead Sciences; Guardant Health Pte Ltd; Natera,Inc.; Premo Partners, Inc.; Roche Ltd./; Seagen,Inc.; Takeda
Speakers' Bureau - Becton Dickinson; CareNet,Inc.; Chugai Pharma; DAIICHI SANKYO Co., Ltd.; Eisai; Guardant Health Japan Corp.; Guardant Health Pte Ltd; Hisamitsu Pharmaceutical; Merck; Miyarisan pharmaceutical; MSD K.K; Taiho Pharmaceutical; Zeria Pharmaceutical
Research Funding - Chugai Pharma (Inst); DAIICHI SANKYO Co., Ltd. (Inst); Genomedia (Inst); Guardant Health (Inst); Guardant Health AMEA, Inc. (Inst); Roche (Inst); Seagen,Inc. (Inst); Tempus (Inst)
 
Tadayoshi Hashimoto
Honoraria - Cytogen; Takata Pharmaceutical
 
Hiroya Taniguchi
Honoraria - Amgen; Bristol-Myers Squibb Japan; Chugai Pharma; Lilly Japan; Merck; MSD K.K; Ono Yakuhin; Roche; Taiho Pharmaceutical; Takeda
Research Funding - Daiichi Sankyo (Inst); Ono Pharmaceutical (Inst); Takeda (Inst)
 
Yoshito Komatsu
Honoraria - Asahi Kasei; Bayer Yakuhin; Bristol-Myers Squibb Co.; Chugai Pharma; Daiichi Sankyo; Lilly Japan; Medical Review Co., Ltd.; Merck; Mitsubishi Tanabe Pharma; Moroo Co.; Nipro Corporation; Ono Pharmaceutical; Otsuka; Sanofi/Aventis; Taiho Pharmaceutical; Takeda; Yakult Honsha
Research Funding - A2 Healthcare; Astellas Pharma; Bayer Yakuhin; BeiGene (Inst); DAIICHI SANKYO CO., LTD.; Eisai; Incyte; IQvia; Lilly (Inst); Mediscience Planning; MSD K.K.; NanoCarrier; Nipro Corporation (Inst); Ono Pharmaceutical; Parexel International Corporation.; Sanofi/Aventis; Shionogi; Sumitomo Dainippon Pharma Co., Ltd.; Sysmex; Taiho Pharmaceutical; Yakult Honsha
 
Taito Esaki
Honoraria - Chugai Pharma; Daiichi Sankyo; Taiho Pharmaceutical
Research Funding - Amgen (Inst); Amgen Astellas BioPharma (Inst); Asahi Kasei (Inst); Astellas Pharma (Inst); Chugai Pharma (Inst); Daiichi Sankyo (Inst); IQVIA (Inst); Jazz Pharmaceuticals (Inst); MSD (Inst); Nihonkayaku (Inst); Ono Pharmaceutical (Inst); Pfizer (Inst); Quintiles (Inst); Syneos Health (Inst)
 
Yu Sunakawa
Honoraria - Bayer Yakuhin; Bristol-Myers Squibb Japan; Chugai Pharma; Daiichi Sankyo; Guardant Health; Incyte; Lilly Japan; Merck; MSD K.K; Ono Pharmaceutical; Sysmex; Taiho Pharmaceutical; Takeda
Consulting or Advisory Role - Bristol-Myers Squibb Japan; Daiichi Sankyo; Merck; MSD K.K
Research Funding - Chugai Pharma; Taiho Pharmaceutical
 
Kensei Yamaguchi
No Relationships to Disclose
 
Takeshi Kato
Honoraria - Asahi Kasei; Chugai Pharma; Lilly Japan; Ono Pharmaceutical; Takeda
 
Manabu Shiozawa
Speakers' Bureau - Johnson & Johnson; Kaken Pharmaceutical; Lilly Japan; Merck Serono; Ono Pharmaceutical; Taiho Pharmaceutical; Takeda; Yakult Honsha
 
Naoki Takahashi
Honoraria - Bristol-Myers Squibb Japan; Ono Pharmaceutical; Taiho Pharmaceutical
 
Takashi Ohta
Honoraria - AstraZeneca; Bristol-Myers Squibb Japan; EA Pharma; Lilly Japan; Merck KGaA; Novartis; Taiho Pharmaceutical; Takeda
 
Tadamichi Denda
Honoraria - Ono Pharmaceutical
Speakers' Bureau - Daiichi-Sankyo; Ono Pharmaceutical
Research Funding - Amgen (Inst); Bristol Myers Squibb Foundation (Inst); MSD (Inst); Ono Pharmaceutical (Inst); Pfizer (Inst)
 
Hironaga Satake
Honoraria - Bayer; Bristol-Myers Squibb; Chugai Pharma; Daiichi Sankyo; Lilly Japan; Merck; MSD; Ono Pharmaceutical; Sanofi; Taiho Pharmaceutical; Takeda; Yakult Honsha
Research Funding - Daiichi Sankyo (Inst); Ono Pharmaceutical (Inst); Sanofi (Inst); Taiho Pharmaceutical (Inst); Takeda (Inst)
 
Tomohiro Nishina
Honoraria - Astellas Pharma; Bristol-Myers Squibb; Chugai Pharma; Lilly; MSD; Ono Pharmaceutical; Taiho Pharmaceutical; Takeda
Research Funding - Amgen (Inst); Astellas Pharma (Inst); Chugai Pharma (Inst); Daiichi Sankyo (Inst); MSD (Inst); Ono Pharmaceutical (Inst); Taiho Pharmaceutical (Inst)
 
Hisateru Yasui
Honoraria - Bristol-Myers Squibb Japan; Chugai Pharma; Eisai; JMS; MSD; Ono Pharmaceutical; Taiho Pharmaceutical; Yakult Honsha
Research Funding - Astellas Pharma (Inst); AstraZeneca (Inst); Daiichi Sankyo (Inst); MSD (Inst); Ono Pharmaceutical (Inst)
 
Hideaki Bando
Honoraria - Chugai Pharma; Ono Pharmaceutical; Taiho Pharmaceutical
 
Takayuki Yoshino
Honoraria - Chugai Pharma; Merck; MSD K.K.; Takeda
Consulting or Advisory Role - Sumitomo Corp.
Research Funding - Amgen (Inst); Bristol-Myers Squibb Japan (Inst); Chugai Pharma (Inst); DAIICHI SANKYO COMPANY, LIMITED (Inst); Eisai (Inst); FALCO biosystems Ltd. (Inst); Medical & Biological Laboratories Co., Ltd. (Inst); Merus (Inst); Molecular Health (Inst); MSD (Inst); Ono Pharmaceutical (Inst); Pfizer (Inst); Roche (Inst); Sanofi (Inst); Sysmex (Inst); Taiho Pharmaceutical (Inst); Takeda (Inst)