Common painkiller may weaken Aspirin's heart attack protection
NCT ID NCT00646906
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at whether taking acetaminophen (like Tylenol) can reduce aspirin's ability to prevent heart attacks. Researchers gave 55 healthy adults and smokers both drugs in different orders to see if timing matters. The goal was to understand if acetaminophen interferes with aspirin's blood-thinning effects, which could affect how people with heart disease or arthritis manage their medications.
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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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Conditions
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
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Locations
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Hospital of The University of Pennsylvania
Philadelphia, Pennsylvania, 19104, United States