Fig. 3: 6-minute walk test and hand held dynamometry results per participant from baseline to open label extension, week 36.

(a) Change in 6-minute walk test (6MWT) results per participant from baseline to open label extension (OLE) week 36. The mean distance walked on the 6MWT increased from baseline across ten subjects at week 12, part 2, with a mean improvement of 60.5 m (16% increase, paired t-test: p = 0.02). At week 36, part 2 across eight subjects the mean improvement from baseline was 95.9 m (25% improvement, paired t-test: p = 0.02). (b) Change in handheld dynamometry (HHD) results per participant from baseline to open label extension (OLE) week 36. At week 12, part 2 there was a mean improvement from baseline HHD of 37.9 newtons (a 30% improvement, paired t-test: p = 0.003) across the ten subjects. At week 36, part 2 there was a mean improvement of +56.0 newtons (a 42% improvement, paired t-test: p = 0.001) across the eight participants who reached the 36 week study visit.