NASA’s Search for Solutions to Monitor, Prevent, and Treat Venous Thrombosis in Space
What Is Venous Thrombosis?
Venous thrombosis is the formation of a blood clot in a vein, commonly occurring in the deep veins of the legs, often triggered by surgery, injury, or prolonged immobility (such as during long flights or bed rest). Clots can also develop in the upper body, particularly the jugular veins, although this is less frequent. Symptoms may include swelling, redness, and pain. Particularly concerning is the risk for astronauts; a clot in the internal jugular vein may be asymptomatic but detectable via ultrasound.
What Is NASA Seeking?
NASA’s Human Research Program (HRP) is inviting proposals for research that explores innovative strategies to monitor, reduce the risk of, and treat venous thrombosis during space missions. Researchers are encouraged to provide plans and budget quotes for either prospective or retrospective studies.
Submission Guidelines
To apply, follow these steps:
- Address strategies for developing and validating methods to surveil, reduce risks of, and prevent or treat venous thrombosis during space exploration. Include a clear rationale and methodology in your proposal.
- Consider including either or both prospective research or retrospective analysis.
Resources
For additional context, refer to the Technical Brief on Venous Thrombosis prepared by NASA’s Office of the Chief Medical Officer.
Deadline
Responses must be submitted electronically by 1:00 PM CT on November 20, 2026, to joshua.r.hlavenka@nasa.gov.
Apply Here
To submit your project plan and budget quote, click here.
Questions?
For inquiries, please contact the HRP Chief Science Office at js-hrp-chief-science-office@mail.nasa.gov.
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