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Eisai US Medical Information supports the therapeutic areas of oncology and neurology. This site has been developed to assist in Medical Information needs.

If you are unable to find the information you require, please submit an inquiry using the forms available within the website or call 1-888-274-2378 (Monday through Friday 8:30 AM – 5:00 PM EST, excluding holidays).

For inquiries related to lecanemab (Monday through Friday 8:30 AM – 8:00 PM EST, excluding holidays).

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Oncology
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Neurology

This site is for informational purposes only and is intended to address unsolicited medical questions by healthcare professionals based in the United States. This resource may contain medical and scientific information about Eisai products and/or uses that have not been approved by the United States Food and Drug Administration.

If you are a patient or caregiver, please discuss any medical or treatment questions with your healthcare provider.

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TO REPORT SUSPECTED ADVERSE EVENTS OR PRODUCT COMPLAINTS, PLEASE CALL 1-888-274-2378. YOU MAY ALSO REPORT SUSPECTED ADVERSE EVENTS TO THE FDA BY CALLING 1-800-FDA-1088 OR CLICK HERE .

FOR MORE CONTACT INFORMATION PLEASE VISIT US.EISAI.COM/CONTACT-US

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