U.S., April 16 -- ClinicalTrials.gov registry received information related to the study (NCT07530445) titled 'Phase II Study of Iparomlimab and Tuvonralimab (QL1706) in Combination With Albumin-Bound Paclitaxel and Lenvatinib as Second-Line Therapy for Unresectable or Metastatic Biliary Tract Cancer' on Dec. 18, 2025.
Brief Summary: Biliary tract carcinoma (BTC) is a highly aggressive malignancy with rising incidence worldwide. Most patients present at an advanced stage and have a dismal prognosis. First-line gemcitabine-platinum plus PD-1/PD-L1 blockade has become the new standard, yet no established second-line therapy exists after progression on this regimen. Combining dual checkpoint inhibition (PD-1/CTLA-4) with anti-angiogenic therap...