The study will include approximately 15 patients. An initial cohort will receive ascending doses of WVE-N531. Up to 4 dose levels (administered ≥4 weeks apart) will be evaluated in order to select a dose level for further multiple dose evaluation. The initial patients will receive up to 3 additional doses every other week at that dose level. Additional patients will then be enrolled and dosed every other week at that level. All patients will receive a maximum of 7 total doses followed by a minimum 8 week safety monitoring period.
This is a Phase 1b/2a open-label study to evaluate the safety, tolerability, pharmacokinetic (PK), pharmacodynamic (PD), and clinical effects of intravenous (IV) WVE-N531 in patients with Duchenne muscular dystrophy (DMD). To participate in the study, patients must have a documented mutation of the DMD gene that is amenable to exon 53 skipping intervention