Can one aspirin a day beat two after joint surgery?
NCT ID NCT04295486
First seen Nov 01, 2025 · Last updated May 15, 2026 · Updated 28 times
Summary
This study looks at whether taking 81 mg of aspirin once a day works just as well as taking it twice a day to prevent dangerous blood clots after hip or knee replacement surgery. About 5,500 adults having joint replacement will be randomly assigned to one of the two dosing schedules. The goal is to find the safest and most effective dose to prevent clots while reducing side effects like bleeding.
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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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University of Miami Hospital
RECRUITINGMiami, Florida, 33136, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
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