New balloon device shows promise in clearing hardened heart blockages

NCT ID NCT06358508

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

Summary

This study tested a very small balloon catheter (Sapphire 3) in 170 people with severely blocked heart arteries (chronic total occlusions). The balloon was used to open the blockage before placing a stent. The main goal was to see if the device could be safely delivered, inflated, and removed without causing serious damage. Results focused on immediate success and safety during the hospital stay.

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Conditions

The condition(s) this trial relates to.

arteriosclerosis disorder cardiovascular disorder coronary artery disorder Coronary Disease heart disorder myocardial ischemia

As listed by the trial registrant

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

Contacts and locations

Locations

  • Atlanta VA Health Care System

    Decatur, Georgia, 30033, United States

  • Brigham and Women's Hospital Heart and Vascular Center

    Boston, Massachusetts, 02115, United States

  • Emory St. Joseph's Hospital

    Atlanta, Georgia, 30342, United States

  • Emory University Hospital

    Atlanta, Georgia, 30322, United States

  • Emory University Hospital Midtown

    Atlanta, Georgia, 30308, United States

  • Henry Ford Health System

    Detroit, Michigan, 48202, United States

  • Hospital Clinico Universitario de Valladolid

    Valladolid, 47003, Spain

  • Hospital Universitari de Bellvitge

    Barcelona, 08907, Spain

  • Massachusetts General Hospital

    Boston, Massachusetts, 02114, United States

  • Minneapolis Heart Institute Foundation

    Minneapolis, Minnesota, 55407, United States

  • Piedmont Heart Institute

    Atlanta, Georgia, 30309, United States

  • Stanford Health Care

    Stanford, California, 94305, United States

  • Torrance Memorial Medical Center

    Torrance, California, 90505, United States

  • University of Washington

    Seattle, Washington, 98195, United States