A Clinical Study To Evaluate Camrelizumab (SHR-1210) Plus Capecitabine and Oxaliplatin Followed by Sequential Treatment With Camrelizumab Plus Apatinib Mesylate in Advanced or Metastatic Gastric Cancer (GC) or Gastroesophageal Junction Cancer (GEJ) Without Prior Systemic Therapy
Jiangsu HengRui Medicine Co., Ltd.