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A Long-Term Extension Study of Nusinersen (BIIB058) Administered at Higher Doses in Participants With Spinal Muscular Atrophy Who Previously Participated in an Investigational Study With Nusinersen

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Trial Profile

A Long-Term Extension Study of Nusinersen (BIIB058) Administered at Higher Doses in Participants With Spinal Muscular Atrophy Who Previously Participated in an Investigational Study With Nusinersen

Status: Active, no longer recruiting
Phase of Trial: Phase III

Latest Information Update: 11 Mar 2026

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At a glance

  • Drugs Nusinersen (Primary)
  • Indications Spinal muscular atrophy
  • Focus Adverse reactions; Registrational; Therapeutic Use
  • Acronyms ONWARD
  • Sponsors Biogen

Most Recent Events

  • 05 Mar 2026 According to Biogen media release, long term data from this ONWARD study will be presented at the 2026 Muscular Dystrophy Association (MDA) Clinical & Scientific Conference (March 8-11, 2026) and 5th International Scientific Congress on SMA (SMA Europe 2026; March 11-14, 2026).
  • 19 Sep 2024 Status changed from recruiting to active, no longer recruiting.
  • 23 Dec 2023 This trial has been completed in Poland.

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