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Battle of the balloons: super High-Pressure vs shockwaves for Rock-Hard arteries

NCT ID NCT05072730

Completed Disease control Sponsor: Deutsches Herzzentrum Muenchen Source: ClinicalTrials.gov ↗

First seen Jul 13, 2026 · Last updated Jul 14, 2026 · Updated 1 time

Summary

This trial tests two techniques for treating severely calcified coronary arteries before placing a stent. One uses a super high-pressure balloon to crack the calcium; the other uses intravascular lithotripsy, which sends shockwaves through the artery wall. The study includes 80 adults with hard-to-treat blockages and measures how wide the artery becomes after preparation. The goal is to see which method leads to better stent placement and fewer complications.

What this could mean

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

Active substance
Super high-pressure balloon (OPN NC) and intravascular lithotripsy (IVL)
What this could lead to
If one method proves better, it could improve stent placement success and reduce complications in people with heavily calcified heart arteries.
What could go wrong
This is a small, early-stage trial with only 80 participants, so results may not apply to all patients. Both techniques carry risks like vessel injury or incomplete expansion.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

coronary artery disorder coronary atherosclerosis

As listed by the trial registrant

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

CALCIFIED CORONARY ARTERY DISEASE

Contacts and locations

Locations

  • Deutsches Herzzentrum Muenchen

    München, Germany

  • Helios Klinikum Erfurt

    Erfurt, 99089, Germany

  • Herz- und Diabeteszentrum NRW Universitätsklinikum der Ruhr-Universität Bochum

    Bad Oeynhausen, Germany

  • MEDICLIN Herzzentrum Lahr

    Lahr, 77933, Germany

  • Universitätsklinikum Frankfurt

    Frankfurt am Main, Germany

  • Universitätsklinikum Jena

    Jena, 07747, Germany

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