Can a dual immune booster plus chemo shrink hard-to-treat bile duct tumors?

NCT ID NCT07733115

First seen Jul 29, 2026 · Last updated Jul 30, 2026 · Updated 1 time

Summary

This trial tests whether adding an experimental immune therapy (QL1706) to standard chemotherapy can shrink tumors in people with advanced biliary tract cancer that has a specific marker (PD-L1 positive). About 38 participants will receive the combination every three weeks for up to eight cycles, then continue QL1706 alone. The study measures tumor response, how long benefits last, and safety.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance
a combination of two immune checkpoint inhibitors (PD-1 and CTLA-4 antibodies) called QL1706, plus standard chemotherapy drugs gemcitabine and cisplatin
What this could lead to
If effective, this combination could offer a new first-line treatment option for people with advanced biliary tract cancer whose tumors have a specific marker (PD-L1 positive).
What could go wrong
This is a small, early-phase trial with only 38 participants and no comparison group, so results may not apply broadly. Immune-related side effects from QL1706 can be serious.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

biliary tract cancer Biliary Tract Neoplasms

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Zhongshan Hospital

    RECRUITING

    Shanghai, China

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