Adebrelimab and a TKI in Combination With GEMOX in First-line Treatment of Advanced Biliary Tract Cancers (BTC)

"Adebrelimab 20 mg/kg, once every 3 weeks (Q3W), maintained for 1 year. The interval between two doses should not be less than 12 days.~Tyrosine kinase inhibitor (TKI) Lenvatinib: 12 mg (3 capsules 4 mg) or 8 mg (2 capsules 4 mg) once daily (QD) at fixed times daily, on an empty stomach or with food; Apatinib: 250mg orally, QD, 5 days of medication, 2 days off (5 on 2 off) or once every other day (QOD), half an hour after meals; Sorafenib: 0.4g (2 × 0.2g) twice or once daily on an empty stomach or with a low-fat or medium-fat diet Anlotinib: 12 mg orally before breakfast, QD. The drug was taken continuously for 2 weeks and stopped for 1 week.~GEMOX: gemcitabine 800mg/m2 and oxaliplatin 85mg/m2, intravenous infusion, D2, D15, D29, until 6 cycles of treatment were completed, or the patients who did not reach 6 cycles had intolerable adverse reactions, then the combination chemotherapy was terminated."