Phase 3 topline — Tofersen
Biogen Inc. · NASDAQ · $33.1B market cap
Q3 2027
Bias Score
P(positive outcome)
Forecast move
Date confidence
45%
Company guidance for a period, e.g. 2H 2026.
What this event is
A Study of BIIB067 (Tofersen) Initiated in Clinically Presymptomatic Adults With a Confirmed Superoxide Dismutase 1 Mutation
- Drug
- Tofersen
- Mechanism
- —
- Indication
- Amyotrophic Lateral Sclerosis Associated With a SOD1 Gene Mutation
- Primary endpoint
- Parts B and C: Percentage of Participants with Emergence of Clinically Manifest ALS Within 24 Months of Part B Baseline
- Enrollment
- 158
- Source
- ClinicalTrials.gov
Full dossier
Trial design and what the registration does and does not record, the primary endpoint and how it is assessed, where the date comes from and how firm it is, and the balance-sheet position going into the print.
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See pricingCompany
- Market cap
- $33.1B
- Cash
- $2.9B
- Runway
- —
- Approved products
- 0
Research, not advice. Aperture is not a registered investment adviser or broker-dealer and does not provide personalised recommendations. Nothing here is sized to your circumstances. Trial details come from the sponsor's own ClinicalTrials.gov registration, which sponsors revise; the date is the registered primary completion date, not a commitment.