Tofersen
Oligonucleotide
Overview
Tofersen is a oligonucleotide active pharmaceutical ingredient (ChEMBL CHEMBL3833346).
Patent & exclusivity (US)
Per the FDA Orange Book (1 approved US product), the latest listed US patent on Tofersen expires 1 Apr 2035 and exclusivity 25 Apr 2030. Generic API sourcing typically opens up once these lapse.
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