CAMBRIDGE, Mass., July 21, 2020 — Biogen Inc. (Nasdaq: BIIB) today announced it plans to initiate a global Phase 4 clinical study, RESPOND, to examine the clinical benefit and assess the safety of SPINRAZA® (nusinersen) in infants and children with spinal muscular atrophy (SMA) who still have unmet clinical needs following treatment with gene therapy Zolgensma® (onasemnogene abeparvovec).
