New heart catheter zaps away irregular rhythms without heat or cold

NCT ID NCT06056557

Completed Disease control Sponsor: Vivek Reddy Source: ClinicalTrials.gov ↗

First seen Jun 25, 2026 · Last updated Jun 26, 2026 · Updated 1 time

Summary

This study tested a new catheter system that uses pulsed field energy to treat atrial fibrillation and related arrhythmias. In 141 patients, doctors used the VARIPULSE catheter with a 3D mapping system to destroy the heart tissue causing the irregular rhythm. The goal was to see if the procedure is safe and effective at stopping the abnormal signals.

What this could mean

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

Active substance: VARIPULSE catheter ablation device
What this could lead to: If successful, this could offer a safer and more precise way to treat atrial fibrillation using pulsed field energy instead of heat or cold.
What could go wrong: This is a small, completed study without a control group, so results may not apply to all patients. The procedure still carries risks like any heart ablation.

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 atrial flutter

As listed by the trial registrant

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

ATRIAL FIBRILLATION AND FLUTTER ATRIAL FIBRILLATION, PAROXYSMAL OR PERSISTENT ATRIAL FLUTTER TYPICAL

Contacts and locations

Locations

Icahn School of Medicine at Mount Sinai

New York, New York, 10029, United States

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