Safety and Efficacy of CT0494BCP in Participants With Advanced Gastric/Esophagogastric Junction Adenocarcinoma

Exclusion criteria

• ✕. Pregnant or lactating females;
• ✕. HIV, Treponema pallidum, HCV serology positive (HCV antibody positive but HCV-RNA negative can be included), Epstein-Barr virus (EBV) DNA (plasma or whole blood) positive, cytomegalovirus (CMV) DNA positive;
• ✕. Any uncontrolled active infection, including but not limited to active tuberculosis, HBV infection (including HBsAg positive, or HBcAb positive with HBV DNA above the lower limit of the laboratory test in our center), and other bacterial, viral or fungal infections requiring drug treatment. Participants who use drugs to prevent infection and can continue the trial as judged by the investigator;
• ✕. Known HER2-positive (defined as IHC3 +, or IHC2 + with amplification by FISH);
• ✕. Clinically significant abnormal thyroid function as judged by the investigator (serum thyroid hormone determination includes at least FT3, FT4 and serum thyroid stimulating hormone TSH), but patients with hypothyroidism whose disease is under stable control as assessed by the investigator can enter the trial;
• ✕. Toxic reactions caused by previous treatment have not recovered to CTCAE v6.0 ≤ Grade 1, except for alopecia and other tolerable events as judged by the investigator or laboratory abnormalities allowed in this trial;
• ✕. Received anti-tumor treatment for the disease under study within 2 weeks prior to CLL, including but not limited to surgery, systemic chemotherapy (or within 5 half-lives of the drug, whichever is shorter), radiotherapy, intervention, etc., or received anti-PD-(L) 1 monoclonal antibody therapy or CLDN18.2 targeted therapy or other non-marketed clinical trial drugs within 4 weeks prior to CLL (or within 5 half-lives of the drug, whichever is shorter);