Testing Immunotherapy (Atezolizumab) With or Without Chemotherapy in Locoregional MSI-H/dMMR Gastric and Gastroesophageal Junction (GEJ) Cancer
National Cancer Institute (NCI)
National Cancer Institute (NCI)
St. Jude Children's Research Hospital
M.D. Anderson Cancer Center
Nanfang Hospital, Southern Medical University
National Cancer Institute (NCI)
Eastern Cooperative Oncology Group
Jules Bordet Institute
Institut Claudius Regaud
University Health Network, Toronto
St. Jude Children's Research Hospital
Ascendis Pharma A/S
St. Jude Children's Research Hospital
Dana-Farber Cancer Institute
Children's Oncology Group
First Affiliated Hospital of Zhejiang University
Alliance Foundation Trials, LLC.