Among patients with CCA who received futibatinib 20 mg QD (nā=ā64)...The responders included 1 patient with extrahepatic CCA harboring an FGFR2-POC1B fusion (mDOR, 3.5 months)...FGFR2 p.C383R mutation (n = 1), or an FGFR2 p.W290C mutation (n = 1; Supplementary Table S2)....The PFS of the patients with the FGFR2 p.C383R and p.W290C mutations were 9.2 and 8.9 months, respectively.