XTANDI is a prescription medicine used to treat men with prostate cancer that:

  • no longer responds to a hormone therapy or surgical treatment to lower testosterone
  • OR

  • has spread to other parts of the body and responds to a hormone therapy or surgical treatment to lower testosterone

It is not known if XTANDI is safe and effective in females or children.

Contact Us

XTANDI Support Solutions®

Phone: 1-855-8XTANDI (1-855-898-2634)

Business hours for dedicated access specialists: 8 AM to 8 PM ET (Monday–Friday)

XTANDI Patient Savings Program

Phone: 1-855-217-8311

Business hours: 8 AM to 8 PM ET (Monday–Friday)

Headquarters for the Americas

Astellas Pharma US, Inc.

1 Astellas Way

Northbrook, IL 60062

Phone: 1-800-695-4321

Website: www.astellas.com

Pfizer Inc.

P.O. Box 29387

Shawnee Mission, KS 66201

Website: www.pfizer.com

Corporate Communications

E-mail: corporate.communications@astellas.com

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