DMD and Duchenne muscular dystrophy: This is not particularly supported by clinical data that indicate that DMD patients treated with the exon 53 skipping ASO viltolarsen are among the ones displaying the highest percentage of dystrophin rescue in muscles (mean of 5.9%) [28] compared with other exons skipped like exon 51 or 45, nor is supported by the BMD with these naturally occurring DMD deletions.