Sales of Leqembi® totaled 23.1 billion yen in the second quarter 2025
Rhea-AI Summary
BioArctic AB (Nasdaq Stockholm: BIOA B) reported that its partner Eisai achieved Leqembi® sales of JPY 23.1 billion in Q2 2025. This generated royalty revenue of SEK 162.5 million for BioArctic, representing a 280% increase compared to Q2 2024.
The quarter's sales included a one-time stockpiling effect of JPY 5.3 billion in the Chinese market due to tariff risks. Excluding this effect, global sales were JPY 17.8 billion, corresponding to royalty revenue of approximately SEK 125 million.
Positive
- Leqembi sales generated SEK 162.5 million in royalties, up 280% year-over-year
- Strong market performance with JPY 23.1 billion in total sales
- Successful penetration in Chinese market evidenced by stockpiling activity
Negative
- JPY 5.3 billion of sales attributed to one-time stockpiling effect, not recurring revenue
- Chinese market sales potentially affected by future tariff risks
News Market Reaction – B
On the day this news was published, B gained 0.09%, reflecting a mild positive market reaction.
Data tracked by StockTitan Argus on the day of publication.
The results included a one-time stockpiling effect in the Chinese market of around
BioArctic's report for the second quarter 2025 will be published on August 28 at 08:00 a.m. CET.
This information is information that BioArctic AB (publ) is obliged to disclose pursuant to the EU Market Abuse Regulation. The information was released for public disclosure, through the agency of the contact person below, on July 31, 2025, at 12:00 CET.
For further information, please contact:
Oskar Bosson, VP Communications and Investor Relations
E-mail: oskar.bosson@bioarctic.com
Telephone: +46 704 107 180
About lecanemab (Leqembi®)
Lecanemab is the result of a strategic research alliance between BioArctic and Eisai. It is a humanized immunoglobulin gamma 1 (IgG1) monoclonal antibody directed against aggregated soluble (protofibril) and insoluble forms of amyloid-beta (Aβ). Lecanemab is approved in 46 countries including the
Since July 2020, Eisai's Phase 3 clinical study (AHEAD 3-45) with lecanemab in individuals with preclinical AD, meaning they are clinically normal and have intermediate or elevated levels of amyloid in their brains, is ongoing. The study was fully recruited in October 2024. AHEAD 3-45 is a four-year study conducted as a public-private partnership between Eisai, Biogen and the Alzheimer's Clinical Trial Consortium that provides the infrastructure for academic clinical trials in AD and related dementias in the
About the collaboration between BioArctic and Eisai
Since 2005, BioArctic has a long-term collaboration with Eisai regarding the development and commercialization of drugs for the treatment of Alzheimer's disease. The most important agreements are the Development and Commercialization Agreement for the lecanemab antibody, which was signed 2007, and the Development and Commercialization agreement for the antibody Leqembi back-up for Alzheimer's disease, which was signed 2015. In 2014, Eisai and Biogen entered into a joint development and commercialization agreement for lecanemab. Eisai is responsible for the clinical development, application for market approval and commercialization of the products for Alzheimer's disease. BioArctic has the right to commercialize lecanemab in the Nordic region 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 sales milestones as well as royalties on global sales.
About BioArctic AB
BioArctic AB (publ) is a Swedish research-based biopharma company focusing on innovative treatments that can delay or stop the progression of neurodegenerative diseases. The company invented Leqembi® (lecanemab) – the world's first drug proven to slow the progression of the disease and reduce cognitive impairment in early Alzheimer's disease. Leqembi has been developed together with BioArctic's partner Eisai, who are responsible for regulatory interactions and commercialization globally. In addition to Leqembi, BioArctic has a broad research portfolio with antibodies against Parkinson's disease and ALS as well as additional projects against Alzheimer's disease. Several of the projects utilize the company's proprietary BrainTransporter™ technology, which has the potential to actively transport antibodies across the blood-brain barrier to enhance the efficacy of the treatment. BioArctic's B share (BIOA B) is listed on Nasdaq Stockholm Large Cap. For further information, please visit www.bioarctic.com.
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SOURCE BioArctic
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