New hope for heart surgery patients whose blood thinners fail

NCT ID NCT06096116

First seen Nov 01, 2025 · Last updated May 21, 2026 · Updated 28 times

Summary

This study tests a medicine called Atenativ in 120 adults having heart surgery who do not respond well to the standard blood thinner heparin. The goal is to see if Atenativ can restore heparin's effectiveness during surgery, reducing the need for extra treatments. Participants will receive either Atenativ or a placebo, and researchers will monitor how well their blood thins during the procedure.

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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • Atrium Health Wake Forest Baptist

    RECRUITING

    Winston-Salem, North Carolina, 27157, United States

  • CHU de Reims, Hôpital Robert Debré

    TERMINATED

    Reims, France

  • CHU de Rennes

    WITHDRAWN

    Rennes, France

  • Center of Cardiovascular and Transplant Surgery

    RECRUITING

    Brno, Czechia

  • Cleveland Clinic

    NOT_YET_RECRUITING

    Cleveland, Ohio, 44195, United States

  • Duke University Medical Center

    RECRUITING

    Durham, North Carolina, 27710-1000, United States

  • Hospital of Lithuanian university of Health sciences Kauno Klinikos

    RECRUITING

    Kaunas, Lithuania

  • Institute for Cardiovascular Diseases C.C. Iliescu

    RECRUITING

    Bucharest, Romania

  • Institute for Clinical and Experimental Medicine

    RECRUITING

    Prague, Czechia

  • Institute of Cardiovascular Diseases Vojvodina

    NOT_YET_RECRUITING

    Kamenitz, Serbia

  • Kingston Health Sciences Centre

    RECRUITING

    Kingston, Ontario, K7L2V7, Canada

  • Massachusetts General Hospital

    RECRUITING

    Boston, Massachusetts, 02114, United States

  • Montreal Heart Institute

    RECRUITING

    Montreal, Quebec, H1T1C8, Canada

  • OU Health University of Oklahoma Medical Center

    RECRUITING

    Oklahoma City, Oklahoma, 73104, United States

  • Royal Columbian Hospital

    RECRUITING

    New Westminster, British Columbia, V3L0A4, Canada

  • Royal Papworth Hospital

    RECRUITING

    Cambridge, United Kingdom

  • Stanford University School of Medicine

    RECRUITING

    Stanford, California, 94305-5101, United States

  • The James Cook University Hospital

    RECRUITING

    Middlesbrough, United Kingdom

  • The Ohio State University

    RECRUITING

    Columbus, Ohio, 43214, United States

  • Toronto General Hospital

    RECRUITING

    Toronto, Ontario, M5G2C4, Canada

  • University Hospital Coventry and Warwickshire

    RECRUITING

    Coventry, United Kingdom

  • University Hospital Innsbruck

    RECRUITING

    Innsbruck, Austria

  • University Medical Centre Ljubljana

    RECRUITING

    Ljubljana, Slovenia

  • University of Miami

    RECRUITING

    Miami, Florida, 33136, United States

  • University of Texas Southwestern Medical Center

    RECRUITING

    Dallas, Texas, 75390, United States

  • Vienna General Hospital AKH, Medical University of Vienna

    RECRUITING

    Vienna, Austria

  • Vilnius University hospital Santaros Klinikos

    RECRUITING

    Vilnius, Lithuania

Conditions

Explore the condition pages connected to this study.