ROCKVILLE, Md., May 23, 2023 /PRNewswire/ --REGENXBIO Inc. (Nasdaq: RGNX) today announced that the U.S. Food and Drug Administration (FDA) has granted Regenerative Medicine Advanced Therapy (RMAT) designation for RGX-121, an investigational one-time AAV Therapeutic for the treatment of Mucopolysaccharidosis Type II (MPS II), also known as Hunter syndrome. RMAT designation is designed to expedite the drug development and review processes for promising new treatments, including gene therapies, and recognizes that the preliminary clinical evidence from RGX-121 indicates its potential to address unmet medical needs for MPS II. RGX-121 is currently being studied in the CAMPSIITE™ trial that is enrolling MPS II patients as part of a pivotal program that incorporates material from the NAVXpress™ platform process manufactured at the REGENXBIO Manufacturing Innovation Center and continues to support plans to file Biologics License Application (BLA) in 2024 using the accelerated approval pathway.
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