New drug application submitted to the FDA for elacestran to treat ER+/HER2- advanced or metastatic breast cancer.- Menarini + Radius Health
The Menarini Group and Radius Health, Inc. announced that Menarini, with support from Radius, has submitted a New Drug Application (NDA) to the FDA for elacestrant in patients with ER+/HER2- advanced or metastatic breast cancer.
As part of the submission, the companies have requested Priority Review with the FDA. If Priority Review is granted, the Companies anticipate that the FDA would conduct an 8-month review, incorporating a 6-month priority designation review.
The NDA submission is based on positive phase III data from the EMERALD study that was previously announced on October 20, 2021. EMERALD met both of its primary endpoints, which were progression-free survival (PFS) in the overall population and PFS in the estrogen receptor 1 (ESR1) mutation subgroup as compared to standard of care (SoC) with the options of fulvestrant or an aromatase inhibitor. Elacestrant is the first and currently only investigational oral SERD to show positive topline results in a pivotal trial for the treatment of ER+/HER2- advanced or metastatic breast cancer in postmenopausal women, and men. Notably, these results showed elacestrant is also active in patients whose tumors harbor an ESR1 mutation, one of the key resistance mechanisms that develops in later treatment lines of metastatic breast cancer.
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