Study tests whether a standard Clot-Risk tool works for hospital patients on blood thinners
NCT ID NCT03784937
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at how well the Wells score, a tool used to predict deep vein thrombosis (blood clots), works for hospitalized patients who are already receiving blood thinners. Researchers compared the score's accuracy between patients with and without thromboprophylaxis and checked if different doctors scored patients consistently. The study included 415 adults referred for suspected DVT.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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415 people
The number who actually took part.
- Started
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Feb 2018
- Finished
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Mar 2019
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
Any patient adressed to an Vascular Medicine unit for a clinical suspicion of DVT, with risk stratification throught the modified Wells score by the referent doctor.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Any patient addressed to an Vascular Medicine unit for a clinical suspicion of DVT, with risk stratification through the modified Wells score by the referent doctor. Exclusion Criteria: * Patient addressed to our Vascular Medicine unit for any other reason. * Patient addressed to our Vascular Medicine unit for DVT detection to help in a pulmonary embolism suspicion. * Age under 18 yo * Patients unable to express their informed consent.
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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.
Contacts and locations
Locations
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Centre Hospitalo-Universitaire de Nîmes
Nîmes, 30000, France
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Other studies related to the condition(s) this trial covers.
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