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New strategy could spare patients from unnecessary blood thinners

NCT ID NCT03868956

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

First seen Jun 27, 2026 · Last updated Jul 08, 2026 · Updated 2 times

Summary

This study tested a new approach to diagnose whether a blood clot has returned in the leg. Instead of relying on older methods, doctors used color Doppler ultrasound and a D-Dimer blood test to safely rule out a new clot. Over 400 people with a history of deep vein thrombosis took part, and those not treated based on the strategy were followed for 3 months. The goal was to see if this method could avoid unnecessary blood thinner use while still catching dangerous clots.

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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

  • APHM La Timone

    Marseille, Bouches Du Rhône, 13385, France

  • Cabinet libéral Ben Sedrine

    Six-Fours-les-Plages, Var, 83140, France

  • Cabinet libéral Besancon - polyclinique des Fleurs

    Ollioules, Var, 83190, France

  • Cabinet libéral Bonavita

    Bastia, Haute-Corse, 20200, France

  • Cabinet libéral Bourrinet

    Balma, Haute-Garonne, 31130, France

  • Cabinet libéral Casanova

    Bastia, Haute Corse, 20600, France

  • Cabinet libéral Cazaux

    Auch, Gers, France

  • Cabinet libéral De Mari

    Ajaccio, Corse Du Sud, 20090, France

  • Cabinet libéral Dias

    Istres, Bouches-du-Rhône, 13800, France

  • Cabinet libéral El Haddad

    Marseille, Bouches-du-Rhône, 13011, France

  • Cabinet libéral Esteve

    Tarbes, Hautes-Pyrénées, 65000, France

  • Cabinet libéral Pung

    Aubagne, Bouches-du-Rhône, 13400, France

  • Cabinet libéral Richard

    Sanary-sur-Mer, Var, 83110, France

  • Cabinet libéral Riviere

    Six-Fours-les-Plages, Var, 83140, France

  • Cabinet libéral Secondi

    Ajaccio, Corse Du Sud, 20090, France

  • Cabinet libéral Sidoli

    Marseille, Bouches-du-Rhône, 13003, France

  • Cabinet libéral Wagner

    Lourdes, Hautes-Pyrénées, 65100, France

  • Cabinet libéral Zimmermann

    Six-Fours-les-Plages, Var, 83140, France

  • Centre Hospitalier Intercommunal Toulon La Seyne sur Mer

    Toulon, Var, 83056, France

  • Centre Hospitalier Universitaire Bocage

    Dijon, Cote d'Or, 21079, France

  • Centre Hospitalier Universitaire François Mitterrand

    Dijon, Côte d'Or, 21079, France

  • Centre Hospitalier Universitaire Nord

    Saint-Étienne-de-Montluc, Pays de la Loire Region, 42055, France

  • Centre Hospitalier Universitaire Rangueil

    Toulouse, Haute-Garonne, 31059, France

  • Centre Hospitalier Universitaire d'Amiens

    Amiens, Somme, 80054, France

  • Centre Hospitalier Universitaire d'Angers

    Angers, Maine-et-Loire, 49933, France

  • Centre Hospitalier Universitaire de Clermont-Ferrand

    Clermont-Ferrand, Puy-de-Dôme, 63000, France

  • Centre Hospitalier Universitaire de Grenoble

    Grenoble, Isère, 38700, France

  • Centre Hospitalier Universitaire de Montpellier

    Montpellier, Hérault, 34295, France

  • Centre Hospitalier Universitaire de Nancy

    Nancy, Meurthe Et Moselle, 54511, France

  • Centre Hospitalier Universitaire de Nice

    Nice, Alpes-Maritimes, 06001, France

  • Centre Hospitalier Universitaire de Nîmes

    Nîmes, Gard, 30029, France

  • Centre Hospitalier Universitaire de Rennes

    Rennes, Ille-et-Vilaine, 35033, France

  • Centre Hospitalier d'Auch

    Auch, Gers, 32000, France

  • Centre Hospitalier de Carcassonne

    Carcassonne, Aude, 1060, France

  • Centre Hospitalier de Vichy

    Vichy, Allier, 03200, France

  • Centre d'angiologie

    Carcassonne, Aude, 11000, France

  • Centre d'explorations vasculaires

    Paris, Île-de-France Region, 75116, France

  • Centre de medicine vasculaire interventionnel

    Langon, Gironde, 33210, France

  • Centre hospitalier Universitaire Cavale Blanche

    Brest, Finistère, 29609, France

  • Clinique Rive Gauche

    Toulouse, Haute-Garonne, 31076, France

  • Clinique des Fleurs

    Ollioules, Var, 83190, France

  • Espace Artois Santé

    Arras, Pas-de-Calais, 62000, France

  • Hôpital Edouard Herriot

    Lyon, Rhône, 69003, France

  • Hôpital Saint André

    Bordeaux, Gironde, 33075, France

  • Hôpital Saint Joseph

    Paris, 75674, France

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