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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Zanidatamab + chemotherapy (CT) ± tislelizumab for first-line (1L) HER2-positive (HER2+) locally advanced, unresectable, or metastatic gastroesophageal adenocarcinoma (mGEA): Primary analysis from HERIZON-GEA-01.
 
Elena Elimova
Employment - Merck (I)
Honoraria - Daiichi Sankyo/Astra Zeneca; Roche Canada
Consulting or Advisory Role - Abbvie; Adaptimmune (Inst); Astellas Pharma; AstraZeneca; BeiGene; Bristol-Myers Squibb (Inst); Jazz Pharmaceuticals (Inst); Signatera; Viracta Therapeutics; Zymeworks (Inst)
Research Funding - Amgen (Inst); Arcus Biosciences (Inst); AstraZeneca Canada (Inst); Bold Therapeutics (Inst); Bristol-Myers Squibb (Inst); Jazz Pharmaceuticals (Inst); Jazz Pharmaceuticals (Inst); Zymeworks (Inst)
 
Sun Young Rha
Consulting or Advisory Role - Amgen; Arcus Biosciences; Astellas Pharma; AstraZeneca; BeOne; Daiichi Sankyo; Eisai; indivumed; LG Chem; MSD Oncology; Ono Pharmaceutical; Toray Industries
Speakers' Bureau - Amgen; Arcus Biosciences; Astellas Pharma; AstraZeneca; BeOne; BMS/Ono; Daiichi Sankyo/UCB Japan; Eisai; MSD Oncology
Research Funding - Amgen (Inst); ASLAN Pharmaceuticals; Astellas Pharma; AstraZeneca; Bayer; BeiGene; BeOne (Inst); Beringer Ingelheim (Inst); Bristol-Myers Squibb; Daichii Sankyo; Eisai; Indivumed; Jazz Pharmaceuticals (Inst); Lilly; MSD Oncology; Roche/Genentech; Sillajen
 
Kohei Shitara
Honoraria - Astellas Pharma; AstraZeneca; Bristol-Myers Squibb; Janssen; Lilly; Ono Pharmaceutical
Consulting or Advisory Role - Abbvie; ALX Oncology; Amgen; Arcus Biosciences Inc.; Astellas Pharma; AstraZeneca; Bayer; Boehringer Ingelheim; Bristol-Myers Squibb; CMIC Co., Ltd.; Daiichi Sankyo; eChainaHealth,Inc.; Elevation Oncology; Elevation Oncology; Gilead Sciences; GlaxoSmithKline K.K.; Guardant Health; Healios; Janssen; Leap Therapeutics; Levolution Medicines,Inc.; Moderna.Inc; MSD; Novartis; Oncolys BioPharma; Ono Pharmaceutical; Phanes Therapeutics; Sanofi; Scandion Oncology; Suzuhou Liangyihui Network Technology Co.,; Takeda; Zymeworks
Research Funding - Amgen (Inst); Astellas Pharma (Inst); AstraZeneca (Inst); Chugai Pharma (Inst); Daiichi Sankyo (Inst); Eisai (Inst); Insyte Biosciences G.K., (Inst); Medpace Japan K.K., (Inst); MSD (Inst); Ono Pharmaceutical (Inst); PPD-SNBL (Inst); PRA Health Sciences (Inst); Syneos Health (Inst); Taiho Pharmaceutical (Inst); Toray Industries (Inst)
 
Tianshu Liu
No Relationships to Disclose
 
Josep Tabernero
Stock and Other Ownership Interests - 1TRIALSP; Alentis Therapeutics; Oniria Therapeutics; Pangaea Oncology
Consulting or Advisory Role - Accent Therapeutics; Alentis Therapeutics; AstraZeneca; Boehringer Ingelheim; Bristol Myers Squibb; Carina Biotech; Cartography Biosciences; Chugai Pharma; Daiichi Sankyo; F. Hoffmann LaRoche; Genentech; Johnson & Johnson/Janssen; Larkspur Biosciences Inc; Lilly; Marengo Therapeutics; Menarini; Merus; MSD; Novartis; Ono Pharmaceutical; Peptomyc; Pfizer; Pierre Fabre; Quantro Therapeutics; Scandion Oncology; Scorpion Therapeutics; Servier; Sotio; Syntelios AG; Taiho Pharmaceutical; Takeda Pharmaceuticals International AG; Tolremo
 
Keun-Wook Lee
Honoraria - Astellas Pharma; Bayer; Celltrion; Merck KGaA; MSD Oncology; Ono Pharmaceutical
Consulting or Advisory Role - Abbvie; Astellas Pharma; BeiGene; Daiichi Sankyo; Metafines; MSD; Ono Pharmaceutical; PIN therapeutics; Takeda
Research Funding - ALX Oncology (Inst); Amgen (Inst); Arcus Biosciences (Inst); Astellas Pharma (Inst); AstraZeneca (Inst); Avelos Therapeutics (Inst); Bayer (Inst); BeiGene (Inst); Boehringer Ingelheim (Inst); Bolt Biotherapeutics (Inst); Daiichi Sankyo (Inst); Erasca, Inc (Inst); Exelixis (Inst); Genome & Company (Inst); GlaxoSmithKline (Inst); Hanmi (Inst); IDRx (Inst); IgM Biosciences (Inst); Ildong Pharmaceutical (Inst); InventisBio (Inst); Jazz Pharmaceuticals (Inst); Jiangsu Hengrui Pharmaceuticals (Inst); Leap Therapeutics (Inst); Medicenna (Inst); MedPacto (Inst); Merck KGaA (Inst); Metafines (Inst); MSD (Inst); Ono Pharmaceutical (Inst); Panolos Bioscience (Inst); Pfizer (Inst); Roche (Inst); Taiho Pharmaceutical (Inst); Torl Biotherapeutics (Inst); Trishula Therapeutics (Inst); Wellmarker Bio (Inst); Yuhan (Inst)
(OPTIONAL) Uncompensated Relationships - ALX Oncology
 
Michael Schenker
Research Funding - Abbvie; Amgen; Astellas Pharma; AstraZeneca; Bayer; BeiGene; Clovis Oncology; Daiichi Sankyo; Eisai; Five Prime Therapeutics; Gilead Sciences; GlaxoSmithKline; Lilly; Mylan; Novartis; Pfizer; PharmaMar; Samsung; Takeda
 
Niall Tebbutt
No Relationships to Disclose
 
Jaffer Ajani
Honoraria - Acrotech Biopharma; Aduro Biotech; Amgen; Astellas Pharma; AstraZeneca; BeiGene; Boehringer Ingelheim; Bristol-Myers Squibb; Daiichi Sankyo; DAVA Pharmaceuticals; Fresenius Kabi; Gilead Sciences; GRAIL; Lilly; Merck; Novartis; oncotherics; SERVIER; zymeworks
Consulting or Advisory Role - American Cancer Society; Amgen; Astellas Pharma; BeiGene; BeiGene; Bristol-Myers Squibb; Geneos; Gilead Sciences; Jazz Pharmaceuticals; Kyowa Kirin International; Merck; Novartis; SERVIER; Vaccinogen; Zymeworks
Research Funding - Amgen; Astellas Pharma (Inst); AstraZeneca (Inst); Bristol-Myers Squibb; Daiichi Sankyo; Delta-Fly Pharma; Gilead Sciences; Lilly/ImClone; Merck; Novartis; ProLynx; Roche/Genentech; SERVIER (Inst); Taiho Pharmaceutical; Takeda; Zymeworks
Patents, Royalties, Other Intellectual Property - I have research funding from: Genentech, Roche, BMS, Taiho, MedImmune, Merck, Amgen, Lilly
 
Norhidayu Salimin
Speakers' Bureau - AstraZeneca; DKSH; Dr. Reddy's; MSD; Zuellig Pharma
Research Funding - BeiGene (Inst); Celcuity (Inst); MSD (Inst); Olema Pharmaceuticals (Inst)
 
Geoffrey Ku
Consulting or Advisory Role - Astellas Pharma; AstraZeneca; AstraZeneca/Daiichi Sankyo; Bayer; BeiGene; Bristol-Myers Squibb; Daiichi Sankyo/Astra Zeneca; Gilead Sciences; I-Mab; Jazz Pharmaceuticals; Merck Sharp & Dohme; Oncolys BioPharma
Research Funding - Adaptimmune (Inst); AstraZeneca/MedImmune (Inst); Bristol-Myers Squibb (Inst); CARsgen Therapeutics (Inst); Daiichi Sankyo (Inst); Jazz Pharmaceuticals (Inst); Merck (Inst); Oncolys BioPharma (Inst); Pieris Pharmaceuticals (Inst); Triumvira Immunologics, Inc (Inst); Zymeworks (Inst)
Travel, Accommodations, Expenses - Aduro Biotech; AstraZeneca/MedImmune; Bristol-Myers Squibb; ImaBiotech; Merck Sharp & Dohme; Pieris Pharmaceuticals
 
Jong Gwang Kim
No Relationships to Disclose
 
Inmaculada Diaz
Consulting or Advisory Role - AstraZeneca Spain; BMSi; Merck
Speakers' Bureau - AstraZeneca Spain; BMSi; SERVIER
Travel, Accommodations, Expenses - AstraZeneca; Roche
 
Jingdong Zhang
No Relationships to Disclose
 
Filippo Pietrantonio
Honoraria - Amgen; Astellas Pharma; AstraZeneca; Bayer; BeiGene; Bristol-Myers Squibb; Daiichi-Sankyo; Incyte; Ipsen; Johnson&Johnson; Merck Serono; MSD Oncology; Pierre Fabre; Rottapharm Biotech; Seagen; SERVIER; Takeda
Consulting or Advisory Role - Agenus; Amgen; Astellas Pharma; AstraZeneca; Bayer; BeiGene; BMS; Daiichi-Sankyo; Gilead Sciences; GlaxoSmithKline; Incyte; Jazz Pharmaceuticals,; Johnson & Johnson/Janssen; Merck Serono; MSD Oncology; Pfizer; Pierre Fabre; Revolution Medicines; Rottapharm Biotech; SERVIER; Takeda
Research Funding - Agenus (Inst); Amgen (Inst); Astrazeneca (Inst); BeOne (Inst); Bristol-Myers Squibb (Inst); GlaxoSmithKline (Inst); Incyte (Inst); Johnson & Johnson/Janssen (Inst); Lilly (Inst); Rottapharm Biotech (Inst)
Travel, Accommodations, Expenses - Amgen; Astellas Pharma; Johnson & Johnson/Janssen; Merck Serono; Pierre Fabre; Takeda Science Foundation
 
Li-Yuan Bai
Honoraria - Ipsen; Ono Pharmaceutical; Taiwan Society for Therapeutic Radiology and Oncology; Taiwan Society for Therapeutic Radiology and Oncology; TTY Biopharm
Consulting or Advisory Role - Amgen; Astellas Pharma
Research Funding - Eisai
 
Samuel Le Sourd
Honoraria - Astellas Pharma; BTG; Jazz Pharmaceuticals; Merck; MSD; SERVIER
Speakers' Bureau - Astellas Pharma; BTG; Jazz Pharmaceuticals; Merck; MSD; SERVIER
Travel, Accommodations, Expenses - Bayer; Jazz Pharmaceuticals; MSD; SERVIER
Other Relationship - Astellas Pharma; BTG; Jazz Pharmaceuticals; Merck; MSD; SERVIER
 
Ye Chen
Employment - BeOne Medicines
Stock and Other Ownership Interests - BeOne Medicines
 
Jonathan Grim
Employment - Jazz Pharmaceuticals; Zymeworks
Stock and Other Ownership Interests - Jazz Pharmaceuticals; Medtronic (I); Vanguard Funds; Zymeworks
 
Lin Shen
Consulting or Advisory Role - AstraZeneca; Boehringer Ingelheim; MSD; SERVIER; Transcenta Holding Limited
Research Funding - BeiGene (Inst)