Eisai Completes Rolling Submission of sBLA to FDA for LEQEMBI Approval
Eisai has finalized the rolling submission of its Supplemental Biologics License Application (sBLA) to the U.S. Food and Drug Administration (FDA) for lecanemab-irmb, marketed under the brand name LEQEMBI in the United States. The company confirmed this milestone as part of its efforts to seek regulatory approval for the product.
The sBLA process allows companies to submit portions of their application as they are completed, expediting review timelines. Eisai’s submission marks a significant step in advancing LEQEMBI through regulatory channels. The FDA will now evaluate the application, which includes comprehensive data on safety, efficacy, and manufacturing processes related to lecanemab-irmb. This development follows ongoing research and clinical trials aimed at supporting LEQEMBI’s use in treating conditions specified by Eisai.
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Date: November 27, 2025
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