Eisai US Medical Information supports the Oncology and Neurology therapeutic areas. This portal has been developed to assist your 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 (Mon – Fri 8:30am-5pm EST).

For inquiries related to lecanemab (Mon – Fri 8:30-8pm EST).