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NICE approves pemigatinib for patients with advanced cholangiocarcinoma

The oral kinase inhibitor, pemigatinib, has been approved by NICE as a second-line therapy for patients with advanced cholangiocarcinoma.

Cholangiocarcinoma (CCA) or bile duct cancer, is a rare cancer with an approximate incidence of 3.58 cases per 100,000, occurs in the tubes carrying bile into the digestive system. It can be further subdivided into two forms, depending on whether it develops within the liver (intrahepatic, iCCA) or extrahepatic (eCCA). According to Cancer Research UK, there are an estimated 1900 cases of iCCA each year but far fewer (530) cases of eCCA. Unfortunately, CCA is often asymptomatic in the early stages of the disease and consequently, it has been estimated that around 70% of patients are diagnosed at late stages due to this lack of symptoms. Figures for 2012 indicate that the 5-year survival is in both sexes is only around 5%, and in 2017, there were a total of 2523 deaths in England alone. Since a large proportion of patients are diagnosed at a late stage of the disease, surgical resection (which is perceived as the only curative treatment), is no longer an option.

Studies have shown that two-thirds of patients with cholangiocarcinoma have genomic alterations. One such alteration is in the fibroblast growth factor receptor (FGFR) pathway which is responsible for cellular migration, proliferation, survival and differentiation. There are at least four different isoforms of FGFR and genetic aberrations such as chromosomal translocations or fusions in the FGFR pathway, contribute to malignant transformation and have been observed to occur in 13% of iCCA.

There are currently no standard care treatments for cholangiocarcinoma and no recognised therapy for patients with FGFR fusion/mutations. Pemigatinib is a potent oral inhibitor of FGFR isoforms and has been shown to be of benefit in patients with cholangiocarcinoma with FGFR alterations. Results from the FIGHT-202 study, in which previously treated patients with advanced metastatic cholangiocarcinoma with FGFR mutations, were given pemigatinib monotherapy at a starting oral dose of 13.5mg daily for a 21-day cycle (two weeks on, 1 week off). Treatment with pemigatinib for a median duration of 8 months in 108 patients, led to an overall treatment response rate of 35.5% which included three complete remission and 35 partial responders. Overall, 71 patients died, mostly because of disease progression although there were no deaths deemed to be treatment-related, leading the authors to conclude that their data supported the therapeutic potential of pemigatinib in previously treated patients with FGFR fusions.

The drug is already approved in Japan, Europe and the US and according to Helen Morement, founder of The Cholangiocarcinoma Charity, ‘the availability of pemigatinib marks a major milestone in the fight against cholangiocarcinoma, bring new hope for our patients with the devastating type of liver cancer”. The decision by NICE will not only give patients an alternative to chemotherapy but also access to molecular testing.

Source. NICE 2021