Spinraza helps SMA type 3 motor function, maybe not fatigability
Treatment with Spinraza (nusinersen) extended the distance adults with spinal muscular atrophy (SMA) type 3 could walk during a six-minute walking test (6MWT), but they walked farther during the first minute than the sixth, a sign of fatigability despite treatment, a study suggests. “The increase in 6WMT…