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

NCT ID NCT06087952

First seen Jun 27, 2026 · 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.

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

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Other studies related to the condition(s) this trial covers.