A Study to Learn More About the Long-Term Safety of Tofersen (Qalsody) in Participants With Superoxide Dismutase 1 (SOD-1) Amyotrophic Lateral Sclerosis (ALS)
Public ClinicalTrials.gov record NCT07259980. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
An Observational Registry-Based Study to Evaluate the Long-Term Safety of Tofersen in People With SOD1-ALS
Study identification
- NCT ID
- NCT07259980
- Recruitment status
- Recruiting
- Study type
- Observational
- Phase
- Not listed
- Lead sponsor
- Biogen
- Industry
- Enrollment
- 125 participants
Conditions and interventions
Conditions
Interventions
- Tofersen Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jan 1, 2026
- Primary completion
- Dec 29, 2033
- Completion
- Dec 29, 2033
- Last update posted
- Apr 8, 2026
2026 – 2033
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Mass General Hospital -MGH | Boston | Massachusetts | 02114 | Recruiting |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT07259980, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Apr 8, 2026 · Synced May 8, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT07259980 live on ClinicalTrials.gov.