Adverse Event or Product Complaint Inquires

To report an adverse event or product complaint please call immediately at:

Tel: +1 (888) 209-9326

Note: If telephone line is busy, please try your call throughout the day or send an email to

Medical Information Inquiries

For more information about Karyopharm’s products or clinical trials, please contact the Medical Information department at:

Tel: +1 (888) 209-9326

App Support

For more information about or support for one of Karyopharm’s apps please contact the administrator.

KPTrial App
The exclusive scientific platform for clinical study teams. Please contact the administrator at:​

HCP Connect App
A mobile application for health care providers who use selinexor to treat Multiple Myeloma patients. Please contact the administrator at:​

Corporate Offices


Corporate Headquarters:
85 Wells Ave., 2nd floor
Newton, MA 02459

Main Phone Number (USA)
+1 (617) 658-0600


Karyopharm Europe GmbH
Franziska-Bilek-Weg 9
80339 Munich

+49 (0) 89–54 84 860


Karyopharm Israel Ltd.
94 Yigal Alon Street
Alon Building #1, 23rd Floor
Tel Aviv, Israel

For General Inquiries Only:

Contact Us