Blood thinner behavior in obesity and after Weight-Loss surgery under the microscope

NCT ID NCT04180436

First seen Jan 09, 2026 · Last updated Jun 12, 2026 · Updated 25 times

Summary

This study looked at how the blood thinner rivaroxaban acts in people with severe obesity and in those who had weight-loss surgery (gastric bypass or sleeve gastrectomy) at least a year earlier. Sixty-seven participants took rivaroxaban for eight days, and researchers measured drug levels and clotting effects. The goal was to see if obesity or surgery changes how the drug works, which could help doctors choose safer doses.

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Contacts and locations

Locations

  • CHRU de Brest

    Brest, France, 29609, France

Conditions

Explore the condition pages connected to this study.