New drug safety check for Hard-to-Treat bile duct cancer
NCT ID NCT06793709
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at the safety of the drug Tasfygo in 60 people with advanced biliary tract cancer that has a specific gene change (FGFR2 fusion) and has gotten worse after chemotherapy. Researchers will track side effects and how well the drug works. The goal is to make sure the drug is safe for this group of patients.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Participants
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About 60 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jul 2025
- Expected to finish
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Nov 2032
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
Participants with FGFR2 fusion positive unresectable biliary tract cancer with prior chemotherapy who will receive Tasfygo tablet as per daily practice and package insert will be enrolled.
- Ages
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Children (under 18), adults (18 to 64) and older adults (65 and over)
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: 1\. Participants with unresectable biliary tract cancer with FGFR2 fusion gene positivity who are naïve to Tasfygo tablet and progressed after chemotherapy. Exclusion Criteria: Not applicable.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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#Eisai Trial Site 1
RECRUITINGTokyo, Japan
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Second try: pumping chemo straight into the liver for tumors that outsmarted standard treatment
- Immunotherapy meets chemo: a new front against bile duct cancer
- Can a Three-Drug chemo cocktail before surgery stop biliary tract cancer from coming back?
- Can a new drug shrink advanced solid tumors?
- Can adding immunotherapy to standard cancer care be safe for indian patients?
- App-based symptom tracking may cut hospital visits for advanced cancer patients