Blood type clues may reveal hidden clot risk

NCT ID NCT07402005

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at whether certain natural markers on red blood cells, called Lewis antigens, are more common in people who have had blood clots in their veins. Researchers will test 100 adults with a history of deep vein thrombosis and record their other clot risk factors. The goal is to better understand if these blood markers could help identify people at higher risk for future clots.

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