A Phase II Exploratory Study of Sacituzumab Tirumotecan Combined With Envafolimab for TROP2-Positive Advanced Biliary Tract Cancers Previously Treated With First-Line Immunotherapy Combined With Chemotherapy.
Conditions
- Advanced Biliary Tract Cancers
Interventions
- DRUG: Sacituzumab tirumotecan combined with envafolimab
Sponsor
Tianjin Medical University Cancer Institute and Hospital