Contact Us
For questions or to request for information, please contact us.
Ionis Pharmaceuticals, Inc.
2855 Gazelle Court
Carlsbad, CA 92010
Telephone: 760-931-9200
Confidential Reporting Helpline:
For all inquiries, please visit this link.
Adverse Event Reporting:
To report an Adverse Event or safety concern with use of an Ionis product, please call (800) 491-2664. If you are experiencing a medical emergency, please dial emergency services such as 911 or 112. For any other assistance, please call our Corporate Headquarters: (760) 931-9200.
Ionis Investor Contact:
Ionis Media Contact:
Ionis Medical Information Contact:
1-833-644-6647 (833-MI-IONIS)
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