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On July 26, Biogen and Ionis Pharmaceuticals announced that the antisense oligonucleotide (ASO) therapy BIIB080/IONIS-MAPTRx jointly developed by the two parties was used in patients with mild Alzheimer’s disease (AD).
BIIB080 is an ASO therapy jointly developed by Bojian and Ionis, which binds to the mRNA encoding tau protein, which leads to the degradation of mRNA and the decrease of tau protein level
In patients treated with BIIB080, 8 weeks after the last dose (day 141), the total tau protein concentration in the cerebrospinal fluid showed a dose-dependent decrease.
Note: The original text has been deleted
Reference materials:
[1] Biogen and Ionis report positive topline clinical data on investigational Alzheimer's disease treatment at AAIC.