Biogen and Ionis Announce Topline Phase 1/2 Study Results of Investigational Drug in Amyotrophic Lateral Sclerosis
and CARLSBAD, Calif., May 16, 2024 (GLOBE NEWSWIRE) -- Biogen Inc. (Nasdaq: BIIB) and Ionis Pharmaceuticals, Inc. (Nasdaq: IONS) announced the decision to terminate development of BIIB105 (ION541) an investigational antisense oligonucleotide (ASO) for amyotrophic lateral sclerosis (ALS) based on topline results from the Phase 1/2 ALSpire study.
- and CARLSBAD, Calif., May 16, 2024 (GLOBE NEWSWIRE) -- Biogen Inc. (Nasdaq: BIIB) and Ionis Pharmaceuticals, Inc. (Nasdaq: IONS) announced the decision to terminate development of BIIB105 (ION541) an investigational antisense oligonucleotide (ASO) for amyotrophic lateral sclerosis (ALS) based on topline results from the Phase 1/2 ALSpire study.
- BIIB105 was designed to reduce expression of ataxin-2 (ATXN2) protein and demonstrated statistically significant cerebrospinal fluid (CSF) ATXN2 protein reductions in the study.
- The Phase 1/2 study was a randomized, placebo-controlled, dose-escalating trial to evaluate BIIB105 administered intrathecally to adults (n=99) with ALS.
- Analyses of data from the study are ongoing to further understanding of the underlying disease process and effects of BIIB105.