A Study to Learn About Salanersen's (BIIB115) Effects on Movement and Its Safety When Given Before Symptoms Appear in Babies With Genetically Diagnosed Spinal Muscular Atrophy (SMA)

NCT07221669 · STELLAR-1 Phase 3Recruiting

Lead sponsor
Biogen (Industry)
Enrollment
30 (estimated)
Start date
28 Apr 2026
Primary completion
28 Nov 2028 (estimated)
Study completion
29 May 2032
Last update posted
23 Oct 2026

Design

Study type
Interventional
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None
Arms
1

Interventions

  • Salanersen Drug

Conditions and primary outcome

  • Muscular Atrophy, Spinal

Primary outcome

Part 1: Percentage of Participants with 2 Survival Motor Neuron 2 (SMN2) Copies Sitting Without Support (for at Least 10 Seconds) (At Month 12); Part 1: Percentage of Participants with 3 SMN2 Copies Walking Alone (for at Least 5 Steps) (At Month 18); Part 2: Percentage of Participants Attaining and Maintaining World Health Organization (WHO) Motor Milestones (Up to Day 1825)

Posted results on ClinicalTrials.gov

Results posted on ClinicalTrials.gov: No

Results from company and journal sources

No editor-confirmed results are on record for this study.

Publications

No PubMed citation lists NCT07221669.

CT-VCA trial quality

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Data integrity

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Source

Source: ClinicalTrials.gov, U.S. National Library of Medicine. Listing a study does not mean NLM has evaluated it.

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