DISEASE AREAS

As a human health care company, we don’t base R&D decisions on the size of a potential market. Instead, we focus on areas of unmet medical need.



Neurology

WE’RE TACKLING SOME OF THE HARDEST-TO-TREAT NEUROLOGICAL CONDITIONS

Including Alzheimer’s disease and other forms of dementia, partial and generalized tonic-clonic seizures, insomnia and other sleep-wake rhythm disorder, and more. find out how we’re breaking through

Disease Areas

WE’RE HARNESSING THE BODY’S IMMUNE SYSTEM TO HELP FIGHT CANCER

Eisai scientists are working to advance immuno-oncology so that it can benefit more patients and address more types of cancers. discover what’s next in Oncology