Abstract
Futibatinib (LYTGOBI®) is an oral small molecule compound that selectively, irreversibly and potently inhibits the tyrosine kinase activity of fibroblast growth factor receptor (FGFR)1–4. It is approved in the EU, Japan and the USA for the treatment of adults with locally advanced or metastatic cholangiocarcinoma (CCA) harbouring an FGFR2 fusion or rearrangement who have progressed following systemic therapy. In the phase II part (FOENIX-CCA2) of a multinational phase I/II study in this patient population, monotherapy with futibatinib 20 mg once daily was associated with clinically meaningful and durable responses, sustained health-related quality of life (HR-QOL), and a manageable safety profile with supportive care and as-needed dose modifications. Indeed, hyperphosphataemia (the most common all grade and grade 3 treatment-related adverse event) was manageable with phosphate-lowering therapy and dose reductions or interruptions. Although further efficacy and tolerability data are expected, current evidence indicates that futibatinib is a valuable targeted therapy option for adults with locally advanced or metastatic CCA harbouring an FGFR2 fusion or rearrangement who have progressed following systemic therapy, a patient population with limited treatment options and poor life expectancy.
Plain Language Summary
Cholangiocarcinoma (CCA) is an invasive tumour arising from the biliary tract. In the early stages it presents silently; this, along with its highly aggressive nature, means it is often diagnosed in the later (advanced) stages when surgery is not a treatment option. Up to half of CCAs have genetic aberrations that can be targeted for treatment. One such abnormality (present in 9–15% of CCAs) is found in fibroblast growth factor receptor (FGFR)2. The presence of this aberration promotes tumour survival and development. Futibatinib (LYTGOBI®) is an oral drug that strongly inhibits the activity of FGFR1–4. When given to adults with unresectable or metastatic CCA harbouring an FGFR2 aberration who had disease progression after systemic therapy, futibatinib 20 mg once daily produced clinically meaningful and prolonged responses and sustained health-related quality of life; moreover, with supportive care and as-needed dose modifications, futibatinib had a manageable safety profile. In a patient population that has limited treatment options and poor life expectancy, current evidence indicates that futibatinib is a valuable targeted therapy option.
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During the peer review process, the manufacturer of futibatinib was also offered an opportunity to review this article. Changes resulting from comments received were made on the basis of scientific and editorial merit.
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Sheridan M. Hoy is a salaried employee of Adis International Ltd/Springer Nature, and declares no relevant conflicts of interest. All authors contributed to this article and are responsible for its content.
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The manuscript was reviewed by: M. A. Morse, Division of Medical Oncology, Department of Medicine, Duke University Medical Center and Duke Cancer Institute, Durham, NC, USA; D. Wekking, Location Academic Medical Centre, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands.
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Hoy, S.M. Futibatinib: A Review in Locally Advanced and Metastatic Cholangiocarcinoma. Targ Oncol 19, 473–480 (2024). https://doi.org/10.1007/s11523-024-01059-8
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DOI: https://doi.org/10.1007/s11523-024-01059-8