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Ultragenyx Receives Complete Response Letter from FDA for UX111 AAV Gene Therapy to Treat Sanfilippo Syndrome Type A (MPS IIIA)

Key Takeaway: Ultragenyx Receives Complete Response Letter from FDA for UX111 AAV Gene Therapy to Treat Sanfilippo Syndrome Type A (MPS IIIA)

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Ultragenyx Receives Complete Response Letter from FDA for UX111 AAV Gene Therapy to Treat Sanfilippo Syndrome Type A (MPS IIIA).
Last updated: Jul 11, 2025