+353-1-416-8900REST OF WORLD
+44-20-3973-8888REST OF WORLD
1-917-300-0470EAST COAST U.S
1-800-526-8630U.S. (TOLL FREE)
Eisai Limited is a research-based pharmaceutical company that develops, manufactures, and markets healthcare products for patients and their families. It offers products in the areas of Alzheimer's disease, gastrointestinal disorders, epilepsy, cervical dystonia, severe chronic pain, and oncology. The company was founded in 1988 and is based in Hatfield, United Kingdom. It also has operations in the United States, Asia, and Europe.