Contact Us

U.S. Corporate Headquarters

Daiichi Sankyo, Inc.
211 Mt. Airy Road
Basking Ridge, NJ 07920-2311
Phone: 908-992-6400

Daiichi Sankyo Call Center

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

Patient Assistance Program

For more information, visit the Daiichi Sankyo Access Central website at DSI Access Central to learn more about medication coverage and access support, financial assistance and other helpful resources.
Phone: 1-866-437-4669

Expanded Access to Investigational Products

For information, visit: Expanded Access to Investigational Products

Supplier Diversity Program

Daiichi Sankyo, Inc.
Attn: Supplier Diversity Department
211 Mt. Airy Road
Basking Ridge, NJ 07920-2311
Phone: 1-877-726-5961 ext. 8080989
smallbusinessplan@dsi.com

Office of Grants & Education

Daiichi Sankyo, Inc.
Attn: Grant Office
211 Mt. Airy Road
Basking Ridge, NJ 07920-2311
OGE-CME@dsi.com

Government Affairs

Daiichi Sankyo, Inc.
211 Mt. Airy Road
Basking Ridge, NJ 07920-2311
Attn: Amanda Pezalla
Phone: 908-992-6683

Sponsor, Research Organization and Investigator Records

If you have questions regarding retention or disposition of project or study documents sponsored by Daiichi Sankyo Companies and its entities, contact DSPDRecords@dsi.com.

Compliance Hotline

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

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). Health professionals, consumers and patients can voluntarily report observed or suspected adverse events for human medical products to FDA at www.fda.gov/medwatch or by calling 1-800-FDA-1088.