Savolitinib for Treating Gastric Cancer and Esophagogastric Junction Adenocarcinoma Patients

Patients meeting the study inclusion criteria will receive Savolitinib \[Savolitinib 600 mg, po, once per day (QD) continuously in patients with baseline weight ≥50 kg, and Savolitinib 400 mg, po, QD in patients with baseline weight \<50 kg\] in 21 day treatment cycle, until disease progression, death, intolerable toxicity or other termination criteria as specified in the protocol, whichever occurs earliest.