ISTH and Regeneron partner to launch World Thrombosis Day educational quiz series

September 23, 2025

Chapel Hill, N.C., United States, September 11, 2025 — The International Society on Thrombosis and Haemostasis (ISTH), in collaboration with Regeneron, will launch a new World Thrombosis Day educational series about blood clots on September 13, highlighting their shared commitment to improving awareness and education about thrombosis.

World Thrombosis Day is a global awareness campaign held annually on October 13 to educate the public, healthcare professionals and policymakers about thrombosis.

The new initiative is designed in a quiz format with interactive opportunities for participants on the World Thrombosis Day social media channels. Participants can answer quiz questions in the comments section of social media posts. Prizes will be provided to winners.

Follow the World Thrombosis Day social media channels and learn more at www.worldthrombosisday.org.

About Regeneron 
Regeneron (NASDAQ: REGN) is a leading biotechnology company that invents, develops and commercializes life-transforming medicines for people with serious diseases. Founded and led by physician-scientists, our unique ability to repeatedly and consistently translate science into medicine has led to numerous approved treatments and product candidates in development, most of which were homegrown in our laboratories. Our medicines and pipeline are designed to help patients with eye diseases, allergic and inflammatory diseases, cancer, cardiovascular and metabolic diseases, neurological diseases, hematologic conditions, infectious diseases, and rare diseases.

Regeneron believes that operating as a good corporate citizen is crucial to delivering on our mission. We approach corporate responsibility with three goals in mind: to improve the lives of people with serious diseases, to foster a culture of integrity and excellence and to build sustainable communities. Regeneron is proud to be included on the Dow Jones Sustainability World Index and the Civic 50 list of the most “community-minded” companies in the U.S. Throughout the year, Regeneron empowers and supports employees to give back through our volunteering, pro bono and matching gift programs. Our most significant philanthropic commitments are in the area of early science education, including the Regeneron Science Talent Search (STS) and the Regeneron International Science and Engineering Fair (ISEF).

About the ISTH

Founded in 1969, the ISTH is the leading international medical and scientific professional organization dedicated to advancing the understanding, prevention, diagnosis and treatment of conditions related to thrombosis and hemostasis. The ISTH professional membership community includes more than 7,000 clinicians, researchers and educators from more than 120 countries working together to advance science and improve clinical care around the world. Among its highly-regarded activities and initiatives are education and standardization programs, research activities, meetings and congresses, clinical and laboratory practice guidance and guidelines, peer-reviewed publications, expert committees and World Thrombosis Day on 13 October. Learn more at www.isth.org.

MEDIA CONTACT:

Barbara Krolak

ISTH Marketing Manager

Barbara_Krolak@isth.org

Participate in the World Thrombosis Day countdown quiz series supported by Regeneron.

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