ROCKVILLE, Md., March 10, 2025 /PRNewswire/ — REGENXBIO Inc. (Nasdaq: RGNX) today announced new interim biomarker data from the Phase I/II portion of the AFFINITY DUCHENNE® trial of RGX-202 for the treatment of Duchenne muscular dystrophy will be presented at the 2025 Muscular Dystrophy…