Heart device study halted early – what we know

NCT ID NCT05230524

Terminated Disease control Sponsor: Medtronic Cardiac Ablation Solutions Source: ClinicalTrials.gov ↗

First seen Jun 26, 2026 · Last updated Jul 07, 2026 · Updated 3 times

Summary

This study looked at how well the DiamondTemp ablation system controls atrial fibrillation (a type of irregular heartbeat) over three years. It included 84 adults with paroxysmal AF who had not responded to medication. The study was terminated early, so the full results are not available.

What this could mean

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

Active substance: DiamondTemp™ Ablation System (a device that uses heat to destroy heart tissue causing irregular heartbeat)
What this could lead to: If successful, this could confirm that the DiamondTemp system is a safe and effective way to control atrial fibrillation for years.
What could go wrong: The study was terminated early, so results are limited. It is observational, not randomized, and may not prove the device is better than other treatments.

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.

atrial fibrillation paroxysmal atrial fibrillation

As listed by the trial registrant

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

PAROXYSMAL ATRIAL FIBRILLATION

Contacts and locations

Locations

Azienda Ospedaliero-Universitaria Ospedali Riuniti di Ancona

Ancona, 60030, Italy
Centre Hospitalier de Pau - Hôpital François Mitterrand

Pau, 64046, France
Florida Electrophysiology LLC

Winter Park, Florida, 32792, United States
Humanitas Mater Domini

Varese, 21053, Italy
Reunion University Hospital - Saint Pierre

Saint-Pierre, 97448, France

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