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:

PIPELINERight arrow link icon
Learn about the investigational compounds,
diagnostic methods, and novel therapies we
are exploring.

FOCUS ON AD AND BRAIN HEALTH Right arrow link icon
We’re the only company with research
targeting amyloid,
tau, neurodegeneration,
and more.

DISCOVERY CENTERS Right arrow link icon
Our ground-breaking R&D labs are pursuing a
new generation of immunodementia drugs.
Take a look inside.

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.

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