This clinical trial is focused on studying a type of cancer called cholangiocarcinoma, which affects the bile ducts. The study is testing a new treatment called tinengotinib, which is taken as a tablet. Tinengotinib is being compared to other treatments chosen by doctors for patients whose cancer has specific changes in the Fibroblast Growth Factor Receptor (FGFR) and who have not responded to previous chemotherapy or FGFR inhibitor treatments.
The purpose of the study is to evaluate how effective and safe tinengotinib is for these patients. Participants will receive either tinengotinib or another treatment selected by their doctor. The study will monitor the participants over a period to see how the cancer responds to the treatment and to check for any side effects. The study will also look at how long the participants live without the cancer getting worse.
In addition to tinengotinib, the study involves other medications that may be used as part of the doctor’s choice, including folinic acid, irinotecan, fluorouracil, and oxaliplatin. These medications are given through injections or infusions. The study aims to provide more information on the best treatment options for patients with this type of cancer.



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