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Expanded Clinical Study of Tofersen (BIIB067) in SOD1-ALS

Japan Expanded Clinical Study (ECS) to Provide Tofersen (BIIB067) to Patients With Amyotrophic Lateral Sclerosis (ALS) Associated with a Mutation in the Superoxide Dismutase 1 (SOD1) Gene

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2071240022
Enrollment
20
Registered
2024-06-14
Start date
2024-06-25
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Amyotrophic lateral sclerosis (ALS) associated with a mutation in the superoxide dismutase 1 (SOD1)

Interventions

Research Name: BIIB067 Generic Name: Tofersen Trade Names: Not applicable Loading dose regimen for tofersen-naive participants only (doses 1 to 3): Tofersen will be administered on Days 0, 14, and 28.

Sponsors

Cho Kyo
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Weakness attributable to ALS and associated with a mutation in the SOD1 gene (SOD1-ALS).

Exclusion criteria

Exclusion criteria: 1. Any comorbidities or conditions that, in the opinion of the Investigator, would unacceptably increase the risk of participation, including contraindications to lumbar punctures (LPs). 2. Anticipated need, in the opinion of the Investigator, for administration of any antiplatelet or anticoagulant medication that cannot be safely held before and/or after an LP procedure according to local or institutional guidelines and/or Investigator determination. 3. Treatment with another investigational drug, biological agent (excluding tofersen), or device within 1 month or 5 half-lives of study agent, whichever is longer, before the first dose of tofersen in this study. 4. Female participants who are pregnant or breastfeeding. 5. Patient's primary place of residence is outside of the country of treatment.

Design outcomes

Primary

MeasureTime frame
Adverse event assessment

Contacts

Public ContactBiogen Japan Medical Information

Biogen Japan Ltd.

japan-medinfo@biogen.com+81-120-560-086

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026