On September 30, 2022, the Food and Drug Administration granted accelerated approval to futibatinib for adult patients with previously treated, unresectable, locally advanced or metastatic intrahepatic cholangiocarcinoma harbouring fibroblast growth factor receptor 2 (FGFR2) gene fusions or other rearrangements.
Efficacy was evaluated in TAS-120-101 (NCT02052778), a multicenter, open-label, single-arm trial that enrolled 103 patients with previously treated, unresectable, locally advanced, or metastatic intrahepatic cholangiocarcinoma harbouring a FGFR2 gene fusion or other rearrangements. The presence of FGFR2 fusions or other rearrangements was determined using next-generation sequencing testing. Patients received 20 mg of futibatinib orally once daily until disease progression or unacceptable toxicity.
The major efficacy outcome measures were overall response rate (ORR) and duration of response (DoR) as determined by an independent review committee according to RECIST v1.1. ORR was 42% (95% Confidence Interval [CI]: 32, 52); all 43 responders achieved partial responses. The median DoR was 9.7 months (95% CI: 7.6, 17.1).
The most common adverse reactions occurring in 20% or more of patients were nail toxicity, musculoskeletal pain, constipation, diarrhoea, fatigue, dry mouth, alopecia, stomatitis, abdominal pain, dry skin, arthralgia, dysgeusia, dry eye, nausea, decreased appetite, urinary tract infection, palmar-plantar erythrodysesthesia syndrome, and vomiting.
The recommended futibatinib dose is 20 mg orally once daily until disease progression or unacceptable toxicity occurs.
View full prescribing information for futibatinib here.
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