New combo test spares 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 Nov 20, 2025 · Last updated May 14, 2026 · Updated 17 times

Summary

This study tested a new approach to diagnose whether a blood clot in the leg has come back. Instead of relying on old methods that can be confusing, doctors used a special ultrasound (color Doppler) and a blood test (D-Dimer) together. Out of 466 adults with a history of deep vein thrombosis, those who tested negative were safely sent home without blood thinners. Over 3 months, very few had a clot come back, showing the strategy is safe and effective.

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Contacts and locations

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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

Conditions

Explore the condition pages connected to this study.

DEEP VEIN THROMBOSIS