Biogen Declines Early Access to Tofersen Until Pivotal Trial Ends
Biogen will not offer early access to tofersen, its experimental therapy for familial amyotrophic lateral sclerosis (ALS) caused by mutations in the SOD1 gene, at least until data from its pivotal clinical trial are analyzed. Now in its Phase 3 portion, the study (NCT02623699) is testing the…