A Phase 3b Study to Evaluate Higher Dose Nusinersen (BIIB058) in Patients With Spinal Muscular Atrophy Previously Treated With Risdiplam

14368BIOGEN-232SM303-ASCENDOpen (affiliates only)A Phase 3b Study to Evaluate Higher Dose Nusinersen (BIIB058) in Patients With Spinal Muscular Atrophy Previously Treated With Risdiplam232SM303NCT05067790IndustrialAdultTreatmentOtherNayar, ShaktiGeorgetown University Medical Center : David Pisfil; Lombardi Comprehensive Cancer Center : David PisfilGUMC Neurology10694David PisfilDavid Pisfilddp39@georgetown.edu2026.1.0 Build 16 <a href="https://advarra.com" target="_blank">© 2026 Advarra, Inc.</a>