Overview
This project aims to evaluate the efficacy and safety of oral taurine supplementation combined with PD-1 inhibitor (sintilimab) and chemotherapy in inducing systemic CD8+ T cell responses and achieving improved gastric cancer patient outcomes than with sintilimab and chemotherapy alone.
Eligibility
Inclusion Criteria:
- Age 18 or older, no gender limitation;
- Pathologically confirmed gastric cancer or adenocarcinoma of the gastroesophageal junction, local lesions cannot be radically resected or metastatic gastric cancer;
- Expected survival of ≥ 3 months;
- Eastern Cooperative Oncology Group (ECOG) performance status score of 0 or 1;
- At least one measurable lesion outside the stomach (RECIST 1.1);
- Patients informed about the purpose and course of the study and provided a written consent to participate.
Exclusion Criteria:
- Use of taurine agent within 1 month prior to randomization on this study;
- Patients received prior systemic therapy for gastric cancer;
- Patients with operable gastric cancer;
- Patients with positive HER-2 and willing to receive herceptin treatment;
- Patients with gastrointestinal obstruction or active bleeding in the gastrointestinal tract, as well as perforation and dysphagia;
- Patients with active autoimmune disease that has required systemic treatment in past 2 years;
- Patients diagnosed as immunodeficiency or receiving systemic steroid therapy or any other form of immunosuppressive therapy;
- Patients with severe heart, lung, liver, kidney, endocrine, hematopoietic system or psychiatric diseases were considered not suitable for the study group;
- Patients with other medical conditions that interfere with the trial and are deemed unsuitable for inclusion in the trial by the investigator;
- Other conditions that the investigator thinks are not suitable to participate in this clinical trial.