This study is a multicenter, randomized, open-label, controlled Phase III clinical trial aimed at evaluating the efficacy and safety of JS107 combined with toripalimab XELOX versus sintilimab combined with XELOX as first-line treatment for patients with advanced G/GEJ adenocarcinoma.
The research subjects were patients with unresectable locally advanced, recurrent or metastatic G/GEJ adenocarcinoma who were CLDN18.2-positive and HER2-negative and had not received systemic treatment before (except for neoadjuvant/adjuvant therapy that occurred more than 6 months after disease progression/recurrence from the last treatment). The study took BICR-PFS and OS as Dual primary endpoints.
The patient voluntarily participated, provided informed consent, signed a written informed consent form, and had good compliance.
Age ≥18 years (including), male and female. 3)Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1. 4）Expected survival period ≥3 months.
Previously received any drug or cell therapy targeting CLDN18.2
Received major surgery, live vaccine administration, or Drug therapy with other investigational medicinal products, or received radiotherapy within 2 weeks prior to randomization.
Imaging shows cerebral tumor lesions (unless whole-brain radiotherapy or surgery, etc., local treatment has been completed, and imaging and clinical stability have been assessed according to the protocol) 4)Peripheral neuropathy ≥ Grade 2