Table 1.
SMA type 2 | SMA type 3 | Total | |
---|---|---|---|
Number of patients | 6 (54.5%) | 5 (45.5%) | 11 (100%) |
Demographic data | |||
Mean age at first injection (range), years | 30 (16–45) | 36 (29–46) | 33 (16–46) |
Male:Female | 2:4 | 4:1 | 6:5 |
Clinical data | |||
Ambulatory | 0 | 0 | 0 |
Swallowing problems | 2 (66.7%) | 1 (33.3%) | 3 (27.3%) |
Noninvasive ventilation | 3 (60.0%) | 2 (40.0%) | 5 (45.5%) |
Scoliosis | 6 (100%) | 5 (100%) | 11 (100%) |
Spondylodesis | 4 (66.7%) | 2 (33.3%) | 6 (54.5%) |
Treatment goals
(stabilization/ improvement of) | |||
Hand strength | 5 (62.5%) | 3 (37.5%) | 8 (72.7%) |
Arm strength | 2 (50.0%) | 2 (50.0%) | 4 (36.4%) |
Respiratory function | 4 (66.7%) | 2 (33.3%) | 6 (54.5%) |
Swallowing | 2 (100%) | 0 | 2 (18.2%) |
Sitting stability | 0 | 1 (100%) | 1 (9.1%) |
Functional scales | |||
HFMSE score, mean (± SD) | |||
Baseline | 0.2 (0.4), n = 6 | 3.2 (2.7), n = 5 | 1.5 (2.4), n = 11 |
2 months | 0 (0), n = 4 | 2.5 (2.6), n = 4 | 1.3 (2.0), n = 8 |
6 months | 0.3 (0.4), n = 4 | 0.0 (0.0), n = 2 | 0.2 (0.4), n = 6 |
10 months | 0.5 (0.5), n = 2 | n = 0 | 0.5 (0.5), n = 2 |
14 months | 0.5 (0.5), n = 2 | 4.0 (0.0), n = 1 | 1.7 (1.7), n = 3 |
RULM score, mean (± SD) | |||
Baseline | 7.1 (6.2), n = 6 | 12.5 (12.1), n = 5 | 9.5 (9.7), n = 11 |
2 months | 6.4 (6.2), n = 4 | 7.9 (7.7), n = 4 | 7.1 (7.0), n = 8 |
6 months | 10.3 (6.2), n = 4 | 1.0 (1.0), n = 2 | 7.2 (6.7), n = 6 |
10 months | 8.0 (8.0), n = 2 | n = 0 | 8.0 (8.0), n = 2 |
14 months | 8.0 (8.0), n = 2 | 7.0 (0.0), n = 1 | 7.7 (6.5), n = 3 |
ALS-FRS-R score, mean (± SD) | |||
Baseline | 22.0 (6.4), n = 6 | 24.0 (4.9), n = 5 | 22.9 (5.9), n = 11 |
2 months | 19.8 (6.8), n = 4 | 24.0 (5.5), n = 4 | 21.9 (6.6), n = 8 |
6 months | 20.5 (7.4), n = 4 | 19.5 (4.5), n = 2 | 20.2 (6.6), n = 6 |
10 months | 18.0 (9.0), n = 2 | n = 0 | 18.0 (9.0), n = 2 |
14 months | 18.0 (9.0), n = 2 | 28.0 (0.0), n = 1 | 21.3 (8.7), n = 3 |
Percentages with respect to total number in subgroup. ALS-FRS-R, amyotrophic lateral sclerosis functional rating scale-revised; HFMSE, Hammersmith functional motor scale expanded; RULM, revised upper limb module.