All six evaluable Phase 1 patients with Danon disease are alive and transplant-free up to age 25 years RP-A501 demonstrated safety and meaningful efficacy; all evaluable patients show cardiac LAMP2 expression and ≥10% reduction in LV mass index at 12 months and sustained through most recent follow up (up to five years) First patient treated shows preliminary evidence of robust protein expression in heart on five-year biopsy... Read More