People with Advanced Thyroid Cancer in Germany and Austria Now Able to Benefit from New Thyroid Cancer Treatment Lenvima

Publicado 01/07/2015 1:02:58CET

HATFIELD, England, July 1, 2015 /PRNewswire/ --

FOR EMEA MEDIA ONLY - NOT FOR SWISS/AUSTRIAN JOURNALISTS 

Launch delivers important new treatment option for advanced thyroid cancer following

significant progression-free survival data from the SELECT trial  

Lenvima(R) (lenvatinib) is now available in Germany and Austria, a treatment option for people with radioactive iodine refractory differentiated thyroid cancer (RAI refractory DTC).[1]  Advanced thyroid cancer is a difficult to treat condition with a poor prognosis and lenvatinib represents a significant step forward for patients in Germany and Austria.

Lenvatinib is indicated for the treatment of adult patients with progressive locally advanced or metastatic, differentiated (papillary, follicular, Hürthle cell) thyroid carcinoma (DTC) refractory to radioactive iodine (RAI).[2]

"Thyroid cancer is a very complex and hard to treat disease, with a poor outcome for many patients. The availability of Lenvima is a welcome milestone for people in Germany and Austria who live with thyroid cancer as it gives a sense of renewed optimism. Patients now have a powerful treatment option that they can discuss with their physician with the real prospect of a better future," Professor Christoph Reuter, Clinic for Haematology, Haemostaseology and Oncology, Hannover Medical School.

In the SELECT study, Lenvatinib demonstrates significantly prolonged progression-free survival (PFS) in RAI refractory DTC versus placebo. Lenvatinib shows a median 18.3 months progression free survival PFS versus 3.6 months for placebo (hazard ratio [HR] 0.21; 99% confidence interval 0.14-0.31, p<0.0001). In addition, the study underlines the rapid response of lenvatinib, with a median time to first objective response of two months. The New England Journal of Medicine published SELECT study, a randomised, double-blind, multicentre trial for people with progressive radioactive iodine refractory differentiated thyroid cancer (n=392).[3] Lenvatinib significantly improves objective response rate versus placebo (64.8% versus 1.5%; p<0.0001). For lenvatinib, the most common treatment related adverse events were hypertension, diarrhoea, fatigue, decreased appetite, decreased weight, and nausea.

Lenvatinib, discovered and developed by Eisai, is an oral molecular tri-specific targeted therapy that possesses a potent selectivity and a binding mode different to other tyrosine kinase inhibitors (TKI). Lenvatinib simultaneously inhibits the activities of several different molecules including vascular endothelial growth factor receptors (VEGFR), fibroblast growth factor receptors (FGFR), RET, KIT and platelet-derived growth factor receptors (PDGFR). This potentially makes lenvatinib the first TKI that simultaneously inhibits the kinase activities of FGFR 1-4 as well as VEGFR 1-3.[4],[5] In addition, lenvatinib was found to have a new Type V binding mode of kinase inhibition that is distinct from existing compounds.[6]

While thyroid cancer is relatively rare, over the past few decades the incidence of the disease is rising rapidly across the whole of Europe.[7],[8] In 2012 there were approximately 1,200 new cases in Austria, and 5,229 in Germany.[7] More prevalent in women than men, at a ratio of 2 to 1, thyroid cancer is the most common endocrine malignancy.[9]  

Lenvatinib has been approved for the treatment of refractory thyroid cancer in the United States, Europe and Japan, and has been submitted for regulatory approval in Switzerland, South Korea, Canada, Singapore, Russia, Australia and Brazil. Lenvima was granted Orphan Drug Designation in Japan for thyroid cancer, in the United States for treatment of follicular, medullary, anaplastic, and metastatic or locally advanced papillary thyroid cancer and in Europe for follicular and papillary thyroid cancer.

The development of lenvatinib underscores Eisai's human health care (hhc) mission, the company's commitment to innovative solutions in disease prevention, cure and care for the health and well-being of people worldwide. Eisai is committed to the therapeutic area of oncology and to address the unmet medical needs of patients and their families.

Notes to Editors  

Lenvatinib (E7080) 

Eisai is currently conducting clinical studies of Lenvima in several types of cancer including hepatocellular carcinoma (Phase III), renal cell carcinoma (Phase II), non-small cell lung cancer (Phase II) and endometrial cancer (Phase II).

About Lenvatinib's Novel Binding Mode (Type V)[6]

Kinase inhibitors are categorized into several types (Type I to Type V) depending on the binding site and the conformation of the targeted kinase in complex with them. Most of the currently approved tyrosine kinase inhibitors are either Type I or Type II, however according to X-ray crystal structural analysis, lenvatinib was found to possess a new Type V binding mode of kinase inhibition that is distinct from existing compounds. In addition, lenvatinib was confirmed via kinetic analysis to exhibit rapid and potent inhibition of kinase activity, and it is suggested that this may be attributed to its novel binding mode.

About SELECT[3]

The SELECT (Study of (E7080) LEnvatinib in Differentiated Cancer of the Thyroid) study was a multicentre, randomised, double-blind, placebo-controlled Phase III study to compare the PFS of patients with RR- radioiodine-refractory differentiated thyroid cancer and radiographic evidence of disease progression within the prior 13 months, treated with once-daily, oral lenvatinib (24mg) versus placebo. The study enrolled 392 patients in over 100 sites in Europe, North and South America and Asia and was conducted by Eisai in collaboration with the SFJ Pharmaceuticals Group.

Participants were stratified by age (less than or equal to65, >65 years), region and less than or equal to1 prior VEGFR-targeted therapies and randomised 2:1 to either lenvatinib or placebo therapy (24mg/d, 28-d cycle). The primary endpoint was PFS assessed by independent radiologic review. The secondary endpoints of the study included overall response rate (ORR), overall survival (OS) and safety. Rates of complete response were 1.5% (4 patients) for the lenvatinib group and zero in the placebo group. The results for partial response were 63.2% (165 patients) in the lenvatinib group and 1.5% (2 patients) in the placebo arm. The median exposure duration was 13.8 months for lenvatinib and 3.9 months for placebo and the median time to response for lenvatinib was 2.0 months. Median OS has not yet been reached.

The six most common lenvatinib treatment-related adverse events (TRAEs) of any grade were hypertension (67.8%), diarrhea (59.4%), fatigue (59.0%), decreased appetite (50.2%), weight loss (46.4%) and nausea (41.0%). TRAEs of Grade 3 or higher (Common Terminology Criteria for Adverse Events) included hypertension (41.8%), proteinuria (10.0%), weight loss (9.6%), diarrhoea (8.0%), and decreased appetite (5.4%).

Subgroup analyses presented at the European Thyroid Association Annual Meeting in September 2014 showed that lenvatinib maintained a PFS benefit in all pre-defined subgroups of people with progressive radioiodine-refractory differentiated thyroid cancer. In particular, the PFS benefit observed in 195 people with progressive radioiodine-refractory differentiated thyroid cancer in Europe (lenvatinib n=131 and placebo n=64) was similar to the PFS of overall study population (HR=0.24, [95% CI, 0.16-0.35]). The median PFS with lenvatinib and placebo were 18.7 months and 3.7 months respectively.[10]

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