We're Taking Neurology To a Whole New Level.

 

Our goal is to revolutionize targeted drug discovery and development for the world’s most challenging neurological conditions. Everything we do is rooted in this dedication, and inspired by patient interactions, to create hope through innovation.

Elderly couple sitting closely, leaning into each other in an embrace

Leading The Fight Against Alzheimer’s Disease (AD)

Long at the forefront of AD research, today we are continuing to advance treatments and take steps towards personalized interventions.

A woman lies in bed, her face turned sideways on the pillow, with her arms raised above her head

Demystifying Sleep-Wake Disorders

We want the world to sleep, wake and be ready to take on each day. That’s why we’ve prioritized research into insomnia and narcolepsy.

R&D Powered by Deep Human Biology Learning

Our four-decade-long commitment to addressing AD grows naturally
from our human health care mission. We’re determined to find
solutions that go beyond treatment, to prevention and reversal.
To that end, we’ve amassed an unparalleled set of capabilities:

A group of Eisai employees standing in rows on the steps in front of an Eisai building

One Team

Looking for a team environment where you’ll be challenged to break through? Join our human health care mission to make a difference in the lives of patients.

Join Our Team