Welcome to the Eisai Inc. Investigator Initiated Studies (IIS) Web Site

Eisai’s Investigator Initiated Studies (IIS) Program provides research grants in the form of clinical supplies and/or funding to eligible applicants to support scientifically compelling and innovative research consistent with Eisai’s therapeutic or clinical interests and to address legitimate medical or scientific questions impacting/relating to the use of Eisai marketed products or investigational compounds. Please select the “IIS” tab to be directed to the Eisai Investigator Initiated Studies (IIS) section of this website.

Eisai is currently accepting applications for Investigator Initiated Studies (IIS). All IIS application requests and proposals must be in compliance with all applicable governmental regulations and Eisai's policies and procedures for the Eisai marketed products and investigational compounds listed from time to time on this website.

If you have any questions regarding the preparation of the application or experience technical difficulties, please contact the Eisai Grants Helpdesk:

Toll free: 866-434-8176

Please allow 1 business day for return reply.