Tailored Alzheimer’s Indication Let Lecanemab Avoid Stronger Safety Warning, REMS

Eisai says ‘narrow’ indication negated need for REMS on amyloid-related imaging abnormalities and hemorrhages in the brain. Unusual nature of accelerated approval and confirmatory trial timing means safety data from the Phase III is barely mentioned in label.

Brains Scans
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A “narrow” patient population helped Eisai Co., Ltd. and Biogen, Inc.’s Alzheimer’s drug lecanemab avoid contraindications, a boxed warning and a risk-evaluation and mitigation strategy, Eisai said.

Eisai and Biogen’s amyloid-targeting antibody, which will be marketed as Leqembi, became the second drug of its type to gain US Food and Drug

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