One-Size-Fits-No-One: study tailors blood thinner length to prevent repeat clots

NCT ID NCT06087952

First seen Jun 27, 2026 ยท Last updated Jun 27, 2026

Summary

This study tests whether using a person's individual risk of another blood clot or major bleeding can help doctors decide how long they should take blood thinners after a first clot. About 600 adults who had a first deep vein thrombosis or pulmonary embolism will fill out a questionnaire and provide a cheek swab to estimate their risks. Based on this, some will be randomly assigned to different treatment durations to see which approach works best.

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Conditions

The condition(s) this trial relates to.

pulmonary embolism venous thromboembolism Venous Thrombosis

As listed by the trial registrant

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

Contacts and locations

Locations

  • Admiraal de Ruyter Ziekenhuis

    Goes, Netherlands

  • Amphia Ziekenhuis

    Breda, Netherlands

  • Amsterdam Medical Center, location AMC

    Amsterdam, Netherlands

  • Catharina Ziekenhuis

    Eindhoven, Netherlands

  • Deventer Ziekenhuis

    Deventer, Netherlands

  • Diakonessenhuis

    Utrecht, Netherlands

  • Groene Hart Ziekenhuis

    Gouda, Netherlands

  • Haaglanden Medisch Centrum

    The Hague, Netherlands

  • HagaZiekenhuis

    The Hague, Netherlands

  • Ikazia Ziekenhuis

    Rotterdam, Netherlands

  • Isala Klinieken

    Zwolle, Netherlands

  • Leiden University Medical Center

    Leiden, South Holland, 2333 ZA, Netherlands

  • Martini Ziekenhuis

    Groningen, Netherlands

  • Nij Smellinghe Ziekenhuis

    Drachten, Netherlands

  • Radboud University Medical Center

    Nijmegen, Netherlands

  • Rode Kruis Ziekenhuis

    Beverwijk, Netherlands

  • University Medical Center Groningen

    Groningen, Netherlands

  • Wilhelmina Ziekenhuis

    Assen, Netherlands

  • Ziekenhuis Gelderse Vallei

    Ede, Netherlands