Evaluation of the Reliability of the Determination of MisMatch Repair Deficiency Status by Endoscopic Biopsies in Oesophagus and Gastric Adenocarcinoma.
Substudy 06C: A Study of Sacituzumab Tirumotecan (MK-2870) With Pembrolizumab (MK-3475) and Chemotherapy in Participants With First-Line Locally Advanced Unresectable/Metastatic Gastroesophageal Adenocarcinoma (MK-3475-06C/KEYMAKER-U06)
Study to Assess Adverse Events and Change in Disease Activity in Adult Participants With Advanced Solid Tumors Receiving Intravenous (IV) ABBV-400 as Monotherapy and in Combination With IV Bevacizumab
A Study of Zanidatamab in Combination With Chemotherapy Plus or Minus Tislelizumab in Patients With HER2-positive Advanced or Metastatic Gastric and Esophageal Cancers
The Sequential Combination of FOLFOX and Toripalimab for Perioperative Immuno-Oncology Therapy of HER2-negative Adenocarcinoma of the Esophagogastric Junction (Siewert I/II):
Phase II Study of Short Course FOLFOX Chemotherapy With Either Nivolumab or Nivolumab + Radiation in the First Line Treatment of Metastatic or Unresectable Gastroesophageal Cancers (BMS Protocol CA209-76L)