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Biogen/Ionis’ Tofersen Wins Accelerated Approval In ALS Subgroup – A Significant But Narrow Precedent

 
• By Sue Sutter

US FDA designates ongoing ATLAS trial in presymptomatic individuals with SOD1 mutation as confirmatory study. ‘Classic Biogen’ approval is first in ALS under the expedited pathway and could lead to more drugs reaching market on basis of a reduction in plasma neurofilament light chain concentration.

Footsteps on beach
Other ALS drug developers will look to follow Biogen/Ionis' lead in using reduction in neurofilament concentration as the basis for accelerated approval. • Source: Shutterstock

The US Food and Drug Administration opted for accelerated approval, rather than regular approval, for Biogen, Inc. and Ionis Pharmaceuticals, Inc.’s Qalsody (tofersen) in a genetically defined subset of amyotrophic lateral sclerosis patients, banking that clinical benefit will be confirmed in an ongoing trial of presymptomatic individuals.

The agency approved tofersen, an antisense oligonucleotide, on 25 April for treatment of ALS in adults who have a mutation in the superoxide dismutase 1 (SOD1) gene (SOD1-ALS)

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More from Approvals

New EU Filings

 
• By Neena Brizmohun

Brensocatib, Insmed's investigational treatment for non-cystic fibrosis bronchiectasis, is among the latest products that have been filed for review by the European Medicines Agency for potential EU marketing approval.

New EU Filings

 
• By Neena Brizmohun

Plozasiran, Arrowhead Pharmaceuticals' treatment for familial chylomicronemia syndrome, is among the latest products that have been filed for review by the European Medicines Agency for potential EU marketing approval.

Potency Assay Issues Delayed US FDA Approval Of Mesoblast’s Ryoncil For Years

 
• By Sue Sutter

The company’s failure to show its potency assays measured attributes directly related to the mesenchymal stromal cell product’s therapeutic effect highlights the importance of a robust CMC program for complex cell therapies.

Mesoblast’s Ryoncil: US FDA Changed Its Mind On Need For A Randomized Trial

 
• By Sue Sutter

Agency staff repeatedly said the BLA based on a single-arm study in 55 patients lacked substantial evidence of effectiveness in steroid-refractory acute graft-versus-host disease and a randomized trial was needed, but changed course “based on additional consideration” after a second CRL.

More from Product Reviews

Recent and Upcoming FDA Advisory Committee Meetings

 
• By Sue Sutter

Recent and upcoming US FDA advisory committee meetings and a summary of the topics covered.

US FDA Advisory Committee Misperceptions Abound … At HHS

 
• By Michael McCaughan

HHS Secretary Robert F. Kennedy Jr. regularly decries the “conflicts of interest” he believes abound in advisory committees, but his concerns, as well as a recent “policy directive” eliminating industry representatives, seem driven by a misunderstanding of the panels’ jobs.

US FDA Layoffs Hit Conflict-Of-Interest Screening For ODAC Meeting

 
• By Sue Sutter and Derrick Gingery

Screening for conflicts and finding the right expertise for a two-day Oncologic Drugs Advisory Committee meeting on four products has been complicated by the Trump Administration’s initial communications freeze and subsequent layoffs in CDER.