Accessibility StatementSkip Navigation ROCKVILLE, Md., Oct. 30, 2025 /PRNewswire/ -- REGENXBIO Inc. (Nasdaq: RGNX) today announced the completion of enrollment in the AFFINITY DUCHENNE pivotal trial of RGX-202, an investigational gene therapy for the treatment of Duchenne muscular dystrophy, as well as the successful production of the first batches intended for commercial supply. "The Duchenne community urgently needs new treatment options that provide durable, safe outcomes and can meaningfully change the ...