New heart valve trial hopes to offer less invasive option for aortic stenosis patients

NCT ID NCT05804903

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 2 times

Summary

This study is testing a new device called the ALLEGRA Plus Transcatheter Heart Valve in 177 people with severe aortic stenosis or a failed surgical valve. The valve is implanted through a catheter, avoiding open-heart surgery. Researchers are checking how safe and effective it is over 12 months, focusing on death and stroke rates.

What this could mean

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

Active substance

ALLEGRA Plus Transcatheter Heart Valve (a device implanted via a catheter to replace the aortic valve)

What this could lead to

If successful, this could provide a less invasive treatment option for people with severe aortic stenosis or a failed surgical valve, potentially improving survival and reducing stroke risk.

What could go wrong

The trial is currently suspended, and it is an early-stage study with only 177 participants. Risks include complications from the procedure, such as stroke or death, and the device may not perform as well as expected.

Disclaimer Read more

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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Conditions

The condition(s) this trial relates to.

aortic valve stenosis

As listed by the trial registrant

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

More trials for these conditions

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

Contacts and locations

Locations

  • Deutsches Herzzentrum Berlin

    Berlin, 13353, Germany

  • Herzzentrum - Luzerner Kantonsspital

    Lucerne, 6000, Switzerland

  • Hospital La Paz

    Madrid, 28046, Spain

  • III Katedra Kardiologii

    Katowice, 40-635, Poland

  • Klinika Kardiochirurgii

    Gdansk, 80-214, Poland

  • Oulu University Hospital

    Oulu, 90220, Finland

  • Reina Sofia Hospital

    Córdoba, 14004, Spain