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...






