['gastric cancer']
['tas-118 plus oxaliplatin', 's-1 plus cisplatin']

        Key Inclusion Criteria:

          -  Patients who are diagnosed as gastric cancer.

          -  No prior treatment for gastric cancer.

          -  Negative or unknown for HER2 testing.

          -  ECOG performance status of 0 or 1.

        Key Exclusion Criteria:

          -  Unmanageable diarrhea.

          -  Current peripheral sensory neuropathy or paresthesia.

          -  Pregnant or lactating female.
      