Zanidatamab monotherapy or combined with chemotherapy in HER2-expressing gastroesophageal adenocarcinoma: a phase 1 trial

F Funda Meric-Bernstam S Sun Young Rha E Erika Hamilton Y Yoon-Koo Kang D Diana L. Hanna S Syma Iqbal K Keun-Wook Lee (Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, South Korea) J Jeeyun Lee (Samsung Medical Center, Seoul, South Korea) M Muralidhar Beeram D Do-Youn Oh (Division of Medical Oncology, Department of Internal Medicine, Seoul National University Hospital, and the Cancer Research Institute, Seoul National University College of Medicine, Seoul, South Korea) J Jorge Chaves R Rachel A. Goodwin J Jaffer A. Ajani L Lin Yang R Rajen Oza E Elena Elimova (Princess Margaret Cancer Centre, Toronto)