Before revision: Genetic testing, usually from blood samples, can be used to determine the precise nature and location of the DMD mutation in the dystrophin gene.
After revision: + exon skipping drugs approved for DMD drug exon company UD FDA approval Example Example Example Example eteplirsen 51 Sarepta September 2016 golodirsen 53 Sarepta December 2019 viltolarsen 53 NS Pharma August 2020 casimerson 45 Sarepta March 2021Genetic testing, usually from blood samples, can be used to determine the precise nature and location of the DMD mutation in the dystrophin gene.