REGENXBIO Announces Regulatory Update on Ultra Rare MPS Programs

ROCKVILLE, Md., Jan. 28, 2026 /PRNewswire/ -- REGENXBIO Inc. (Nasdaq: RGNX) today announced that the U.S. Food and Drug Administration (FDA) placed a clinical hold on its investigational gene therapy, RGX-111, for the treatment of MPS I, also known as Hurler syndrome, following...