Klempner, Samuel J. https://orcid.org/0000-0002-4062-0808
Sundar, Raghav https://orcid.org/0000-0001-9423-1368
Article History
First Online: 19 August 2025
Competing interests
: S.J.K. has served a consultant/advisory role for Bristol Myers Squibb, Merck, Astellas, Daiichi-Sankyo, Natera, Novartis, AstraZeneca, Mersana, Beigene, Gilead, Elevation Oncology, EsoBiotec, Eisai, Taiho, Boehringer-Ingelheim and I-Mab; reports research support (institutional) from AstraZeneca, I-Mab, Arcus Biosciences, Mersana, Parabilis, the Torrey Coast Foundation, the Degregorio Foundation, the Gastric Cancer Foundation, Debbie’s Dream Foundation, NIH/NCI, StandUp2Cancer, AACR; and serves (uncompensated) on the NCCN guidelines for gastric and esophageal cancers and the medical advisory board for Debbie’s Dream Foundation. R.S. reports advisory board roles for Astellas, AstraZeneca, Bayer, BeiGene, Bristol Myers Squibb, Daiichi Sankyo, DKSH, Eisai, GSK, Merck, MSD, Novartis, Pierre-Fabre, Sanofi, Taiho and Tavotek BioTherapeutics; honoraria for talks from Astellas, AstraZeneca, BeiGene, BMS, Daiichi Sankyo, DKSH, Eli Lilly, Ipsen, MSD, Roche and Taiho; travel support from AstraZeneca, CytoMed, DKSH, Eisai, Ipsen, Paxman, Roche and Taiho; research funding from MSD, Natera and Paxman Coolers; stock ownership with Teladoc; and has patents pending that are licensed to Paxman and in the processing of being licensed to Auristone.