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AstraZeneca granted therapy designation

sean-bohen

AstraZeneca has announced that the US Food and Drug Administration has granted Breakthrough Therapy Designation (BTD) for Tagrisso (osimertinib) for the 1st-line treatment of patients with metastatic epidermal growth factor receptor (EGFR) mutation-positive non-small cell lung cancer (NSCLC).

“The Breakthrough Therapy Designation acknowledges not only Tagrisso’s potential as a 1st-line standard of care in advanced EGFR mutation-positive NSCLC, but also the significant need for improved clinical outcomes in this disease. The results of the FLAURA trial have the potential to redefine clinical expectations and offer new hope for patients who currently have a poor prognosis,” says Sean Bohen, Executive Vice President, Global Medicines Development and Chief Medical Officer at AstraZeneca.

The FDA granted the BTD based on data from the Phase III FLAURA trial of Tagrisso versus standard-of-care EGFR tyrosine kinase inhibitor (TKI) therapy in previously-untreated patients with locally-advanced or metastatic EGFR mutation-positive NSCLC. In the trial, median progression-free survival was nearly double at 18.9 months for Tagrisso compared with 10.2 months for current 1st-line EGFR TKIs (erlotinib or gefitinib). Improvements were seen in all pre-specified subgroups, including patients with and without brain metastases. Tagrisso was well tolerated with a safety profile consistent with previous experience.

On 28 September 2017, the US National Comprehensive Cancer Network Clinical Practice Guidelines in Oncology were updated to include the use of Tagrisso in the 1st-line treatment of patients with locally-advanced or metastatic EGFR mutation-positive NSCLC. The use of Tagrisso for the 1st-line treatment of patients with locally-advanced or metastatic EGFR mutation-positive NSCLC is not yet FDA approved. Tagrisso is currently approved in more than 50 countries, including the US, EU, Japan and China, as 2nd-line treatment for patients with advanced NSCLC who progress following treatment with an EGFR TKI due to the EGFR T790M resistance mutation.

This is the sixth BTD that AstraZeneca has received from the FDA for an oncology medicine since 2014. BTD is designed to expedite the development and regulatory review of new medicines that are intended to treat a serious condition and that have shown encouraging early clinical results, which demonstrate substantial improvement on a clinically-significant endpoint over available medicines and when there is significant unmet medical need.

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