Objective response rate (ORR) was evaluated to evaluate the efficacy of SHR-8068 combined with adebrelimab and platinum-containing chemotherapy in first-line treatment of advanced gastric and esophageal cancer.

Inclusion Criteria:

1. Volunteer to join the clinical study, and sign the informed consent, compliance is good, can cooperate with follow-up;
2. Aged 18-75 at the time of signing the informed consent;
3. Histologically or cytologically confirmed, unresectable, advanced or recurrent/metastatic adenocarcinoma of the gastric or gastroesophageal junction, or unresectable or recurrent/metastatic esophageal squamous cell carcinoma without radical chemoradiation;
4. At least one measurable lesion consistent with RECIST v1.1;
5. ECOG PS score: 0-1;
6. The organ function level is good;

Exclusion Criteria:

1. Her2-positive patients;
2. Untreated (radiation or surgery) central nervous system metastasis, or accompanied by meningeal metastasis, spinal cord compression, etc.;
3. Uncontrolled pleural effusion, pericardial effusion, or peritoneal effusion with clinical symptoms;
4. Previous or co-existing malignant neoplasms;
5. The presence of any active or known autoimmune disease;
6. People who have previously received an organ transplant;
7. Have clinical symptoms or diseases of the heart that are not well controlled;
8. Known allergic reactions to adebrelimab or other monoclonal antibodies or investigational drugs;