We give first thought to patients and their families, and to increasing the benefits health care provides
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Welcome to Eisai Inc

Eisai Inc. (pronounced ā-zī) is a U.S. pharmaceutical subsidiary of Tokyo-based Eisai Co., Ltd, a research-based human health care (hhc) company that discovers, develops and markets products throughout the world. Established in 1995, Eisai Inc. began marketing its first product in the United States in 1997 and has rapidly grown to become an integrated pharmaceutical business.

Headquartered in Woodcliff Lake, New Jersey, we are dedicated to a tradition of genuine concern for people and are driven by the desire to help meet the diverse health care needs of patients and their families and caregivers. We are an agile, entrepreneurial organization managed by experienced leadership, backed by the strength, stability and historical successes of Eisai Co., Ltd., which has a strong and lasting commitment to the U.S. market.

Our heritage and mission have earned us recognition as an innovative, efficient, solution-oriented pharmaceutical company - a company that effectively works with healthcare professionals, hospitals and managed care organizations to develop and market specialty products that help address unmet needs. Our ability to forge strong alliances gives us a competitive edge.

In the United States, our rapid growth and strong performance result from putting patients and their families first when making decisions and from empowering the people who manage our operations. Eisai employees personify our values of integrity, respect, professionalism, quality and teamwork.

As you continue exploring our corporate web site, you will learn more about how our commitment to hhc is a motivating force for everything we do and everything we produce.