Overview Cadonilimab Plus Regorafenib and Gem-Cis Chemotherapy in Advanced Biliary Tract Cancer Status: Not yet recruiting Trial end date: 2025-09-01 Target enrollment: Participant gender: Summary To evaluate the efficacy and safety of Cadonilimab in combination with Regorafenib and Gem-Cis chemotherapy in advanced biliary tract Cancer Phase: Phase 2 Details Lead Sponsor: Tianjin Medical University Cancer Institute and Hospital