Can ultrasound better spot returning leg clots? new study aims to find out

NCT ID NCT05300139

Completed Diagnosis Sponsor: Centre Hospitalier Intercommunal de Toulon La Seyne sur Mer Source: ClinicalTrials.gov ↗

First seen Jun 25, 2026 · Last updated Jul 08, 2026 · Updated 3 times

Summary

This study looks at whether ultrasound can correctly diagnose a repeat deep vein thrombosis (DVT) in the same leg. Researchers will check if the clot changes after 3 months of blood thinner treatment. The goal is to reduce false alarms and unnecessary treatment. The study involves 18 adults with a history of DVT.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: Color Doppler Ultrasound
What this could lead to: If successful, this could improve accuracy of ultrasound for diagnosing DVT recurrence, reducing false positives and unnecessary treatment.
What could go wrong: This is a small, early study with only 18 participants and no comparison standard, so results may not be reliable or widely applicable.

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Conditions

The condition(s) this trial relates to.

Recurrence venous thromboembolism Venous Thrombosis

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

DEEP VEIN THROMBOSIS

Contacts and locations

Locations

Cabinet d'angiologie Bensedrine

Six-Fours-les-Plages, Var, 83140, France
Cabinet d'angiologie Bonavita

Bastia, Haute-Corse, 20200, France
Cabinet d'angiologie Cazanave

Carcassonne, Aude, 11000, France
Cabinet d'angiologie Cazaux

Auch, Gers, 32000, France
Cabinet d'angiologie De Mari

Ajaccio, Corse-du-Sud, 20090, France
Cabinet d'angiologie Dias

Martigues, Bouches Du Rhône, 13500, France
Cabinet d'angiologie Secondi

Ajaccio, Corse-du-Sud, 20090, France
Centre Hospitalier Intercommunal Toulon La Seyne sur Mer

Toulon, Var, 83056, France
Centre Hospitalier d'Auch

Auch, Gers, 32000, France
Centre Hospitalier de Carcassonne

Carcassonne, Aude, 11000, France
Clinique Rive Gauche

Toulouse, Haute-Garonne, 31076, France
Clinique des fleurs

Ollioules, Var, 83140, France

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