FDA grants Breakthrough Therapy designation to Syndax's entinostat for ER+ breast can
 

Syndax Pharmaceuticals Inc. today announced that the U.S. Food and Drug Administration has designated entinostat as a Breakthrough Therapy for the treatment of locally recurrent or metastatic estrogen receptor-positive (ER+) breast cancer when added to exemestane in postmenopausal women whose disease has progressed following non-steroidal aromatase inhibitor therapy.

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