Eisai Co Ltd (4523 JP) shares corrected more than 60% from highs over the disappointment from Alzheimer’s disease drug Leqembi. During H1FY24, Leqembi reported revenue of just ¥400M ($3M).
With approximately 40% revenue contribution, anti-cancer drug Lenvima is the top selling drug of Eisai. In the U.S., Lenvima patent protection will start to expire in US in October 2025.
In December, Eisai has submitted a marketing authorization application in Japan for tasurgratinib for biliary tract cancer. If approved, tasurgratinob will be a late entrant in a crowded market.
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