Clinical Study on the First-line Treatment of Advanced Biliary System Tumors With Tripley Monoclonal Antibody Combined With GEMOX Regimen

This is an open, single-arm, single-center, prospective phase II clinical study to evaluate the efficacy and safety of first-line tripletrumab combined with GEMOX chemotherapy in patients with advanced biliary tract tumors. Selected patients will receive the following treatment: Triplel monoclonal antibody (240mg, intravenous drip, d1, q3w);Combined with gemcitabine (1000mg/m2, intravenous drip, d1, d8, q3w) and oxaliplatin (100mg/m2, intravenous drip, d1, q3w) until the disease progresses or an intolerable adverse reaction occurs (the maximum treatment time is 2 years).