Astellas Pharma

Astellas Oncology
Membership Level
Company Headquarters
Northbrook, IL
(800) 888-7704

Committed to Changing Tomorrow for the Cancer Community

There are over 14 million cancer patients and survivors living in the United States and that number is only expected to grow*. In the U.S., Astellas Oncology is dedicated to enhancing the lives of those impacted by cancer through continued development of targeted treatments and support solutions for patients and their caregivers.

Oncology Products

XOSPATA® (gilteritinib) tablets

Xtandi® (enzalutamide) capsules


Reimbursement Hotline

Toll-free: 1 (800) 477-6472 For more information about reimbursement and Astellas Patient Assistance Program visit the Patients & Caregivers section of this site.

Medical Communications Phone: 1 (800) 727-7003 Fax: 1 (877) 829-7942 Email: [email protected]

Adverse Event Reporting Phone: 1 (800) 727-7003

Customer Service Toll-free: 1 (800) 888-7704 For more information about Astellas including latest news visit the News Room section of this site.

Corporate Communications/Media Inquiries Email: [email protected] For media inquries, please visit the News Room section of this website.

Product Complaints Phone: 1 (800) 327-6449 Fax: 1 (847) 317-1249 Email: [email protected]

Patient Assistance Program
Personalized Xtandi Resources
Established Efficacy from PREVAIL and New Data From TERRAIN

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