New trial aims to stop deadly blood clots with quick catheter action

NCT ID NCT06672081

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests whether using a catheter to break up or remove blood clots early, along with standard care, can save more lives in people with a massive pulmonary embolism. About 210 participants will be randomly assigned to receive either catheter treatment within 60 minutes plus usual care, or usual care alone. The goal is to see if the catheter approach reduces death, cardiac arrest, or persistent shock.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance
catheter-directed treatment (aspiration thrombectomy, local fibrinolytic therapy, or ultrasound-assisted fibrinolysis)
What this could lead to
If successful, this approach could become a standard early intervention for high-risk pulmonary embolism, potentially reducing deaths and serious complications.
What could go wrong
This is a relatively small, early-stage trial (210 participants) and the procedure carries risks like bleeding or vessel damage. Results may not apply to all patients.

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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

Study contacts

  • Contact

    Email: •••••@•••••

  • Contact

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

Locations

  • Asklepios Klinik St. Georg

    RECRUITING

    Hamburg, 20099, Germany

    Contact

  • Bundeswehrkrankenhaus Ulm, Abteilung I - Innere Medizin, Schwerpunkt Kardiologie

    RECRUITING

    Ulm, 89081, Germany

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

  • HELIOS Klinikum Erfurt

    RECRUITING

    Erfurt, 99089, Germany

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

  • Heart Center Leipzig at University of Leipzig, Department of Internal Medicine/Cardiology

    RECRUITING

    Leipzig, 04289, Germany

    Contact

  • Helios Kliniken Wuppertal

    RECRUITING

    Wuppertal, 42117, Germany

    Contact

  • Klinik für Innere Medizin 8 Schwerpunkt Kardiologie Universitätsklinik der Paracelsus Medizinischen Privatuniversität Klinikum Nürnberg I Campus Süd

    RECRUITING

    Nuremberg, 90471, Germany

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

  • Oberlausitzklinikum Bautzen, Medizinische Klinik I

    RECRUITING

    Bautzen, 02625, Germany

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

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

  • Rems-Murr-Kliniken

    RECRUITING

    Winnenden, 71364, Germany

    Contact

  • SLK-Kliniken Heilbronn

    RECRUITING

    Heilbronn, 74078, Germany

    Contact

  • Schwarzwald-Baar-Klinikum

    RECRUITING

    Villingen-Schwenningen, 78052, Germany

    Contact

  • Universitätsklinik Düsseldorf, Klinik für Kardiologie, Pneumologie und Angiologie

    RECRUITING

    Düsseldorf, 40225, Germany

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

  • Universitätsklinikum Bonn

    RECRUITING

    Bonn, 53127, Germany

    Contact

  • Universitätsklinikum Frankfurt, Med. Klinik III - Kardiologie, Angiologie

    RECRUITING

    Frankfurt am Main, 60590, Germany

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

  • Universitätsklinikum Freiburg

    RECRUITING

    Bad Krozingen, 79189, Germany

    Contact

  • Universitätsklinikum Halle

    RECRUITING

    Halle, 06120, Germany

    Contact

  • Universitätsklinikum Leipzig

    RECRUITING

    Leipzig, 04103, Germany

    Contact

  • Universitätsklinikum Mannheim

    RECRUITING

    Mannheim, 68167, Germany

    Contact

  • Westpfalz-Klinikum GmbH, Klinik für Innere Medizin 2

    RECRUITING

    Kaiserslautern, 67655, Germany

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

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