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An empty lab with shelves and lab equipment on the left and multiple blue lab coats hanging on hooks on the right

Take an In-Depth Look At Our Pipeline

Our research and development pipelines at Eisai are creating innovative solutions for some of society’s most difficult health care challenges.

View Our Global Pipeline
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Find Out Why We’re So Focused On Neurology and Oncology

Learn how we’re spearheading research and treatment in immuno-oncology, Alzheimer’s disease and dementia, sleep-wake disorders and more.

Explore Our Disease Areas

30+ years

That’s how long we’ve been investing our research dollars — and our hearts and souls — in neurology and oncology research and development.

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Learn About Clinical Trials That Could Lead To Breakthroughs

We’re evaluating potential new therapies for a variety of cancers and neurological disorders.

Get Info on Active Trials
Outside view of the front of the Eisai Center for Genetics Guided Dementia Discovery (G2D2) with trees in front of the building

Discover New Frontiers of Neurology and Oncology Science

With our G2D2 Discovery Center in Cambridge, MA, we’re establishing a bold approach to pushing the boundaries of science in search of life-changing solutions.

Learn More About G2D2