Contact Us

U.S. Corporate Headquarters

Daiichi Sankyo, Inc.
Two Hilton Court
Parsippany, NJ 07054
Phone: 973-944-2600

Daiichi Sankyo Pharma Development

399 Thornall Street
Edison, NJ 08837
Phone: 732-590-5000

Daiichi Sankyo Call Center

For healthcare providers and patients with questions or concerns about our products.
1-877-437-7763

Patient Assistance Program

Daiichi Sankyo Open Care Program
PO Box 8409
Somerville, NJ 08876
Phone: 1-866-268-7327

Certified Continuing Medical Education

Phone: 973-944-2599
OCME@dsi.com

Compliance Hotline

For questions on compliance or ethical issues or to report unethical or questionable activity. 1-877-48-ALERT (1-877-482-5378)

Reporting Adverse Reactions

Please report any adverse reactions to our products to the Daiichi Sankyo Contact Center at 1-877-4 DS-PROD (1-877-437-7763). Or to report negative side effects of prescription drugs to the FDA visit www.fda.gov/medwatch or call 1-800-FDA-1088