Ultragenyx asks FDA to review gene therapy for Sanfilippo A
Ultragenyx Pharmaceutical has submitted a biologics license application (BLA) to the U.S. Food and Drug Administration (FDA) seeking accelerated approval of its gene therapy UX111 for Sanfilippo syndrome type A. If approved, UX111 would become the first therapy to be cleared in the U.S. for Sanfilippo, a…