NewslettersMuscle Cell News Dyne Therapeutics Receives FDA Fast Track Designation for DYNE-251 for the Treatment of Duchenne Muscular Dystrophy By Jamie Kang - October 31, 2022 0 Dyne Therapeutics, Inc. announced that the FDA has granted Fast Track designation for DYNE-251 for the treatment of Duchenne muscular dystrophy mutations amenable to exon 51 skipping. [Dyne Therapeutics, Inc.] Press Release