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Clinical Trial Summary

This is a phase 2 study of gemcitabine, cisplatin, zimberelimab (AB122) and quemliclustat (AB680) in subjects with untreated advanced biliary tract cancers (BTC). The study will include a safety run-in involving 6 study participants. The goal of the safety run-in is to screen for early safety signals of the proposed drug combination. Trial enrollment can continue while full safety assessment is being completed for the first 6 subjects. Participants will receive 4 cycles of combination therapy as described. After 4 cycles (~6 months), cisplatin will be discontinued, while gemcitabine, zimberelimab (AB122), and quemliclustat (AB680) will be continued. Subjects will be treated until disease progression or development of intolerable toxicities. In total, there will be up to 39 participants on the study.


Clinical Trial Description

n/a


Study Design


Related Conditions & MeSH terms


NCT number NCT06048133
Study type Interventional
Source Big Ten Cancer Research Consortium
Contact Nataliya Uboha, MD, PhD
Phone 608-265-9966
Email nvuboha@medicine.wisc.edu
Status Recruiting
Phase Phase 2
Start date March 8, 2024
Completion date July 2025

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