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Major Milestones


Eisai in the United States

1981
Eisai U.S.A. established
 
1987
Eisai Research Institute of Boston established
 
1992
Eisai Corporation of North America established
 
1994
Process, research and bulk pharmaceutical company established in Andover, Massachusetts

Agreement forged with Pfizer Inc to co-promote Aricept® (donepezil hydrochloride) in the United States
 
1995
Prescription pharmaceutical sales company established as Eisai Inc.

American Depositary Receipt (ADR) established for trading in the over-the-counter market

New Drug Application (NDA) for Aricept® (donepezil hydrochloride tablets) filed with FDA
 
1996
Aricept® (donepezil hydrochloride tablets) 5-milligram and 10-milligram tablets receive FDA clearance for marketing

Medical sales force established
 
1997
Aricept® (donepezil hydrochloride tablets) launched

Research Triangle Park (RTP) pharmaceutical production and formulation R&D facility completed

Agreement forged with Janssen Pharmaceutica Inc. to co-promote Aciphex® (rabeprazole sodium) in the United States
 
1998
NDA for Aciphex® (rabeprazole sodium) submitted to FDA
Production of Aricept® (donepezil hydrochloride tablets) begins at Research Triangle Park facility
 
1999
FDA clears Aciphex® (rabeprazole sodium) for marketing

Aciphex® (rabeprazole sodium) is launched
 
2001
Research Triangle Park facility expanded

Production of Aciphex® (rabeprazole sodium) begins at RTP
 
2002
Eisai Inc. reaches sales of $1 billion

Company acquires exclusive U.S. rights to promote Cerebyx® (fosphenytoin sodium injection) - Cerebyx® is a registered trademark of the Warner-Lambert Company

Eisai Medical Research Inc. is established to focus solely on clinical research and to expedite clinical drug development of new clinical entities and of new indications for marketed products
 
2003
Eisai Inc. Assumes U.S. Distribution Responsibilities for Aricept® (donepezil hydrochloride tablets)

Through a global agreement, Eisai Inc. and Teva Neuroscience Inc., the U.S. pharmaceutical operations of Eisai Co., Ltd. and Teva Pharmaceutical Industries Ltd., to copromote rasagiline, once approved by the U.S. Food and Drug Administration

Eisai Medical Research Inc. to codevelop rasagiline with Teva in the United States

Eisai Inc. expands its Research Triangle Park, North Carolina facility again to increase manufacturing and packaging capabilities; the facility more than doubles in size since its opening in 1997

Eisai Inc. assumes U.S. distribution responsibilities for Aciphex® (rabeprazole sodium)
 
2004
Through the Eisai Co., Ltd. global agreement, Eisai Inc. gains exclusive U.S. rights to manufacture and market rufinamide, once approved by the U.S. Food and Drug Administration; Eisai Medical Research Inc., the U.S. clinical research and development group will work with other Eisai research organizations globally to further develop rufinamide

Eisai Medical Research Inc. establishes new headquarters in Ridgefield Park, New Jersey.

Through the Eisai Co., Ltd. global agreement, Eisai Inc. acquires anti-epileptic drug Zonegran® (zonisamide) from Elan Corporation. By this agreement, Eisai obtains exclusive manufacturing, developing, and marketing rights for the drug in the U.S.
 
2005
Eisai Inc. reaches sales of $2 billion.

Eisai Inc. acquires exclusive U.S. rights to promote, further develop, and distribute Fragmin® (dalteparin sodium injection).
 
2006
Eisai Co., Ltd. and Eisai Inc. acquire exclusive rights for four oncology-related products from Ligand Pharmaceuticals.

Eisai Inc. breaks ground for a new pharmaceutical production and formulation research and development facility for parenteral oncology treatments at its RTP campus.
 
2007
Eisai Inc. moves to new headquarters in Woodcliff Lake, New Jersey.

Eisai Co., Ltd., Eisai Corporation of North America (ECA), and Morphotek® agree to acquisition of Morphotek, a biopharmaceutical company that discovers and develops monoclonal antibodies for oncology, inflammatory, and infectious diseases.

Eisai Internationally

2010
To learn more about Eisai's global milestones, please click here
 

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Eisai Inc.'s pharmaceutical production and formulation research and development facility in Research Triangle Park, North Carolina

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Mr. Toyoji Naito, founder of Eisai

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Tsukuba Research Laboratories in Japan

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Eisai London Research Laboratories, Ltd. in the United Kingdom

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Eisai Inc.'s pharmaceutical production and formulation research and development facility in Research Triangle Park, North Carolina


 
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