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EU regulator reiterates positive recommendation for Eisai-Biogen's Alzheimer's drug

Published by Global Banking & Finance Review

Posted on February 28, 2025

2 min read

· Last updated: January 25, 2026

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EU regulator reiterates positive recommendation for Eisai-Biogen's Alzheimer's drug
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(Reuters) - European Union's human medicines committee (CHMP) said on Friday it is not updating its opinion on Eisai and Biogen's Alzheimer's drug Leqembi, after it recommended its approval in

EU Medicines Regulator Reaffirms Positive Review for Eisai-Biogen's Leqembi

(Reuters) - The European Union's medicines regulator on Friday reiterated its positive recommendation for Eisai and Biogen's Alzheimer's drug, Leqembi, after concluding a safety review. The European Medicines Agency (EMA) in late January said the European Commission had requested a review of additional safety information for the drug, following its November approval to treat some patients with early Alzheimer's disease.

The Commission, which is EU's executive arm, must accept EMA recommendations for new drugs before they are made available to patients. It did not say why it had requested a safety review for Leqembi.

Biogen's head of development, Priya Singhal, said the "reaffirmation" underscores Leqembi's safety profile, adding that the company was working with Eisai to make the treatment available to patients in Europe as soon as possible.

The EMA's human medicines committee last year backed Leqembi for a narrower set of patients than those evaluated in a late-stage trial, reversing its initial refusal to approve the drug due to the risk of serious brain swelling.

Leqembi can cause brain swelling or bleeding, and patients must also undergo an MRI before treatment and several during treatment to monitor this risk, according to the U.S. Food and Drug Administration.

The therapy, also known as lecanemab, is already approved in the U.S., China, Hong Kong, Israel, Japan and South Korea, and could become Europe's first drug approved to treat the neurodegenerative condition directly rather than treat its symptoms.

(Reporting by Christy Santhosh in Bengaluru; Editing by Tasim Zahid, Sriraj Kalluvila and Shailesh Kuber)

Key Takeaways

  • EU regulator reaffirms positive recommendation for Leqembi.
  • EMA conducted a safety review following initial approval.
  • Leqembi is approved in several countries, including the US.
  • The drug treats early Alzheimer's, not just symptoms.
  • Leqembi requires MRI monitoring due to potential brain swelling.

Frequently Asked Questions

What is the EMA's stance on Leqembi?
The EMA has reiterated its positive recommendation for Leqembi after a safety review, indicating confidence in the drug's safety profile.
What risks are associated with Leqembi?
Leqembi can cause brain swelling or bleeding, requiring patients to undergo MRIs before and during treatment to monitor these risks.
Which countries have approved Leqembi?
Leqembi is already approved in the U.S., China, Hong Kong, Israel, Japan, and South Korea.
What is the role of the European Commission regarding drug approvals?
The European Commission must accept EMA recommendations for new drugs before they can be made available to patients.
What did Biogen's head of development say about Leqembi?
Priya Singhal stated that the reaffirmation of Leqembi's safety profile underscores the company's commitment to making the treatment available to patients.

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