Qalsody
Qalsody ingredients
| Active ingredient | Strength |
|---|---|
| Tofersen | 100 mg/15mL |
What Qalsody is used for
The FDA lists the approved uses on the official label (below). In the EU, tofersen is approved as Qalsody for:
Qalsody is indicated for the treatment of adults with amyotrophic lateral sclerosis (ALS), associated with a mutation in the superoxide dismutase 1 (SOD1) gene.
EU wording from the European Medicines Agency; US approved uses can differ.
Key facts
- Brand
- Qalsody
- Generic name
- Tofersen
- Made by
- Biogen Inc.
- Forms
- Injection
- Given
- Intrathecal
- Drug class
- Antisense Oligonucleotide
- FDA approval
- New drug application (NDA) NDA215887
- On the US market since
- 2023
Official information
- MedlinePlus drug information (search for Tofersen)
Specialist medicine: started and supervised by a specialist doctor or hospital. This page is a plain-language summary of public official information, not medical advice; follow your doctor and the official product information.
Common questions
What is Qalsody?
Qalsody (Tofersen) is a specialist medicine made by Biogen Inc., approved by the US FDA.
What are the ingredients of Qalsody?
Qalsody contains Tofersen (100 mg/15mL).
Is Qalsody approved in Europe?
The same active substance is approved in the EU as Qalsody.
From the FDA National Drug Code directory (open.fda.gov, public domain) and the European Medicines Agency medicines list. Page made 5 November 2026 by Satya Babu.
← All specialty medicines, USA