The US Food and Drug Administration (FDA) approved the first targeted therapy for bile duct cancer. Pemazyre (pemigatinib) is for adults with advanced bile duct cancer whose cancer has grown after at least one previous chemotherapy treatment and whose tumors have a mutation in the FGFR2 gene.
Full information at: https://www.cancer.org/latest-news/fda-approves-pemazyre-pemigatinib-for-bile-duct-cancer.html