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Eisai Inc. (Headquarters)

200 Metro Blvd,
Nutley, NJ 07110
United States

201-692-1100

201-746-2600

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Eisai Center for Genetics Guided Dementia Discovery (G2D2)

35 Cambridgepark
Drive Cambridge, MA
02140 United States

857-829-6100

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Exton

210 Welsh Pool Road
Exton, PA 19341
United States

610-423-6100

610-423-6199

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Eisai Inc. (Manufacturing)

11675 Crossroads
Circle Baltimore,
MD 21220

410-631-6300

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Eisai Inc. (Global Logistics)

4130 Parklake Avenue,
Suite 500 Raleigh, NC
27612 United States

919-941-6920

919-941-6931

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Eisai Global Headquarters

Eisai Co., Ltd. 4-6-10
Koishikawa, Bunkyo-ku
Tokyo 112-8088 Japan

+81-3-3817-3700

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Clinical Trials

Learn more about Eisai clinical trials to evaluate potential new therapies for neurological disorders and for various types of cancer.

Eisai USA Foundation

To submit an official request or if you have any further questions regarding the submissions process, please email:

EisaiUSAFoundation@eisai.com

Reimbursement

Curious about our product reimbursement and patient assistance programs (where applicable)?

Please visit our Reimbursement Resources page. Or call us at your product’s phone number, below:

LENVIMA^® (lenvatinib) capsules:

1-866-61-EISAI
(1-866-613-4724) (1-866-613-4724)

Neurology

For Neurology information or to report an adverse event, please:

888-274-2378
(8:30 am - 5:00 pm Eastern Time, Monday – Friday)

888-274-2378 (8:30 am - 5:00 pm Eastern Time, Monday – Friday)

esi_medinfo@eisai.com

Or write to:
Medical Information,
Eisai Inc., 200
Metro Blvd., Nutley,
NJ 07110, United States

Oncology

For Oncology information or to report an adverse event, please:

888-274-2378
(8:30 am - 5:00 pm Eastern Time, Monday – Friday)

888-274-2378 (8:30 am - 5:00 pm Eastern Time, Monday – Friday)

esi_oncmedinfo@eisai.com

Or write to:
Medical Information,
Eisai Inc., 200
Metro Blvd., Nutley,
NJ 07110, United States