New data for nusinersen underscore Biogen’s commitment to SMA

27 June 2025

US biotech major Biogen (Nasdaq: BIIB) today announced new data that reinforce the clinical impact of nusinersen across a broad spectrum of individuals affected by spinal muscular atrophy (SMA).

These latest findings from Part C of the DEVOTE trial evaluating a higher dose regimen of nusinersen, marketed under the trade name Spinraza, and the NURTURE trial which evaluated the approved 12mg regimen in clinically pre-symptomatic SMA were presented at the SMA Research & Clinical Care Meeting hosted by Cure SMA in Anaheim, Calif.

Biogen’s applications for the higher dose regimen of nusinersen are currently under review in the USA, Europe, Japanand other global markets. The higher dose regimen of nusinersen comprises a more rapid loading regimen – two 50mg doses 14 days apart – and a higher maintenance regimen – 28mg every four months.

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