Move Against Thrombosis

Learn more and educate others today!

We strive to empower patients and save lives across the world.

Celebrated on October 13, World Thrombosis Day focuses attention on the often overlooked and misunderstood condition of thrombosis, also known as blood clots.

1 in 0
people worldwide die from conditions caused by thrombosis.
of venous clots occur during or after hospitalization, making hospital-associated clots a leading cause of preventable hospital death.
An estimated 10M cases of hospital associated clots occur annually across all countries in the world – low, middle and high-income.
Patients and Caregivers

Feeling Empowered as a Patient is Life-Changing

As a patient, personal empowerment, or learning as much as you can about your health problem is important because it puts you at the heart of healthcare which maximizes your benefits. This provides you with information to understand your immediate treatment and long-term care plan, helps provide a more positive healthcare experience for you and controls your healthcare costs. This platform is designed with the patient in mind providing you with the tools and the opportunity to take control of your health journey.

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Know Thrombosis

Learn about thrombosis including the risk factors, signs and symptoms.

Support for You

Learn about the support available to help advocate for your health and navigate your recovery journey.

Get Involved

Learn more about upcoming World Thrombosis Day activities and how to get involved.


Stories of Strength and Survival

Blood clots affect millions of people worldwide, from various ages, ethnicities and locations. World Thrombosis Day is proud to share these stories of strength and resilience.

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VTE Risk Assessment

The campaign offers a timely opportunity to discuss, update or establish an organization’s VTE policy. While there is no universal policy on VTE prevention, several models do exist. Learn more.

ISTH Academy Thrombosis Resources

The ISTH Academy offers the latest resources and information on thrombosis and other bleeding conditions. These resources include abstracts, journal articles, recorded webinars, webcasts and more.

Share Resources With Your Patients

Review campaign resources and provide them to recently diagnosed patients who are seeking guidance and support.

Healthcare Professionals

Learn the Latest on Thrombosis

The World Thrombosis Day campaign offers the latest science, research and clinical guidance on evidence-based risk assessment models on thrombosis. A campaign of the International Society on Thrombosis and Haemostasis, World Thrombosis Day highlights present and future goals in global thrombosis research and offers key information to healthcare professionals around the world.

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World Thrombosis Day In the News
  • Forbes

  • Eagle Online

  • Good RX Logo

  • Today Show

Latest Campaign Updates
  • Lana Castellucci, M.D. M.Sc., WTD Steering Committee Chair By: [...]

  • CHAPEL HILL, NC, USA, March 20, 2023 – The International Society [...]

  • Award-Winning Global Campaign Unveils New Theme and Redesigned Website to Provide [...]

  • World Thrombosis Day (WTD) 2022 is around the corner, and it's [...]

Take Action

Get involved with the World Thrombosis Day campaign in any way that you can. The campaign offers many different and exciting opportunities to get involved. Together, we can save lives!

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Make a Donation

The World Thrombosis Day campaign relies on its supporters and donors to provide the best education and resources each year. If you would like to make a financial donation to the campaign, please follow the link below.


Interested in becoming an official supporter of World Thrombosis Day?

Contact Robin today!

ISTH Director of Industry Relations and Business Development