A Safety and Efficacy Study of Treatment Combinations With and Without Chemotherapy in Adult Participants With Advanced Upper Gastrointestinal Tract Malignancies

Columbia University, New York

Virginia Cancer Specialists, Fairfax

Duke University, Durham

Mayo Clinic - Jacksonville, Jacksonville

Florida Cancer Specialist - North, St. Petersburg

Florida Cancer Specialist - South, Fort Myers

SCRI Tennessee Oncology - Nashville, Nashville

Vanderbilt-Ingram Cancer Center, Nashville

Zangmeister Cancer Center, Columbus

OU - Stephenson Cancer Center, Oklahoma City

Mayo Clinic - Arizona, Phoenix

Ronald Reagan UCLA Medical Center, Santa Monica

USC/Norris Comprehensive Cancer Center, Los Angeles

Yale Cancer Center, Derby

Massachusetts General Hospital, Boston

Memorial Sloan Kettering Cancer Center, New York

UHN - Princess Margaret Cancer Centre, Toronto

Clínica San Carlos de Apoquindo, Las Condes

Bradford Hill Centro de Investigaciones Clinicas, Recoleta

Centro de Estudios Clínicos SAGA, Santiago

Clínica Universidad Católica del Maule, Talca

Institut Bergonié _ Bordeaux, Bordeaux

CHU de Brest_Brest, Brest

Centre Baclesse - CAEN, Caen

Centre Oscar Lambret _ LILLE, Lille

Centre Léon Bérard _ Lyon, Lyon

Hôpital Timone - Marseille, Marseille

Institut de Recherche en Cancerologie de Montpellier, Montpellier

Centre Armoricain de Radiothérapie, d'Imagerie Médicale et d'Oncologie, Plérin

Pôle Régional de Cancérologie - Service d'Oncologie Médicale - Poitiers, Poitiers

CHU de Toulouse_Oncopole, Toulouse

Gustave Roussy - Villejuif, Villejuif

MSB - Medicinski Sistem Beograd, Belgrade

University Clinical Center of Serbia, Belgrade

University Hospital Medical Center (KBC) Bezanijska Kosa, Belgrade

Institute of Oncology of Vojvodina, Kamenitz

Clinical Center Kragujevac, Kragujevac

Dong-A University Hospital, Busan

Kyungpook National University Chilgok Hospital, Daegu

Chonnam National University Hwasun Hospital, Hwasun

CHA Bundang Medical Center, Seongnam-si

Asan Medical Center Hospital, Seoul

Korea University Anam Hospital, Seoul

Korea University Guro Hospital, Seoul

Samsung Medical Center, Seoul

Seoul National University Hospital, Seoul

Severance Hospital Cancer Center, Seoul

Ajou University Hospital, Suwon

St. Vincent's Hospital, The Catholic University of Korea, Suwon