Fingerprick test could replace lab draws for blood thinner monitoring
NCT ID NCT04074980
First seen Jun 13, 2026 · Last updated Jun 23, 2026 · Updated 3 times
Summary
This study tested whether a fingerstick blood test (LumiraDx INR test) gives accurate results for people taking the blood thinner phenprocoumon. Researchers compared fingerstick results to standard lab tests in 102 adults. The goal is to see if this quick test can reliably monitor blood clotting levels without a vein draw.
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the original study
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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.
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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Contacts and locations
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Locations
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CLINICAL SITE Klinik am See, Rehabilitation Clinic for Cardiovascular Diseases, Ruedersdorf/Berlin.
Rüdersdorf, Germany
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
What this could lead to
If successful, this could provide a reliable, quick fingerstick test for monitoring blood thinner levels at home or in clinics.
What could go wrong
This is a small, completed accuracy study, not a treatment trial. The test may not be as accurate in real-world use or for all patients.
Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.