BioArctic: Lecanemab Receives Priority Review Status in Japan
BioArctic AB’s partner Eisai has announced that the application for manufacturing and marketing approval for lecanemab in Japan has been designated for Priority Review by the Japanese Ministry of Health, Labour and Welfare (MHLW). Lecanemab is an anti-amyloid-β (Aβ) protofibril antibody for treatment of Alzheimer’s disease (AD). Priority Review in Japan is granted to new medicines recognized as having high medical utility for serious diseases, and once designated for Priority Review, the target total review period is shortened.
In Japan, Eisai submitted the manufacturing and marketing approval for lecanemab to the Pharmaceuticals and Medical Devices Agency (PMDA) on January 16, 2023. This application is based on the results of the Phase 3 Clarity AD study and the Phase 2b clinical study, which demonstrated that lecanemab treatment showed a reduction of clinical decline in early AD. Lecanemab selectively binds and eliminates soluble, toxic Aβ aggregates (protofibrils) that are thought to contribute to the neurotoxicity in AD. As such, lecanemab may have the potential to have an effect on disease pathology and to slow down the progression of the disease. The Clarity AD study of lecanemab met its primary endpoint and all key secondary endpoints with highly statistically significant results. In November 2022, the results of the Clarity AD study were presented at the 2022 Clinical Trials on Alzheimer’s Disease (CTAD) conference and simultaneously published in the New England Journal of Medicine, a peer-reviewed medical journal.
In the U.S., lecanemab was granted accelerated approval as a treatment for AD by the U.S. Food and Drug Administration (FDA) on January 6, 2023. On the same day, Eisai submitted a Supplemental Biologics License Application (sBLA) to the FDA for approval under the traditional pathway. In Europe, Eisai submitted a marketing authorization application (MAA) to the European Medicines Agency (EMA) on January 9, 2023, which was accepted on January 26, 2023. In China, Eisai initiated submission of data for a BLA to the National Medical Products Administration (NMPA) in December 2022.
Eisai serves as the lead of lecanemab development and regulatory submissions globally with both Eisai and Biogen co-commercializing and co-promoting the product and Eisai having final decision-making authority. BioArctic has right to commercialize lecanemab in the Nordic under certain conditions and is currently preparing for commercialization in the Nordics together with Eisai. BioArctic has no development costs for lecanemab in Alzheimer’s disease and is entitled to payments in connection with regulatory filings, approvals, and sales milestones as well as royalties on global sales.
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