Positive study demonstrates the potential for investigational higher dose nusinersen regimen to advance the treatment of SMA; Biogen plans to submit for regulatory approval of this investigational dose regimenHigher dose nusinersen regimen showed statistically significant improvement compared to a prespecified matched sham control groupAmong key measures of clinical efficacy, higher dose regimen showed positive trends compared to the approved dosing regimen CAMBRIDGE, Mass., Sept. 04, 2024 (GLOBE NEWSWIRE) ...