Could a gentle sedation cocktail replace general anesthesia for heart ablation?

NCT ID NCT07734194

Recruiting now Symptom relief Sponsor: Charles University, Czech Republic Source: ClinicalTrials.gov ↗

First seen Jul 29, 2026 · Last updated Jul 30, 2026 · Updated 1 time

Summary

This trial is testing whether a mild sedation combination of remimazolam and fentanyl can be used instead of general anesthesia during a pulsed-field ablation procedure for atrial fibrillation. The study will enroll 20 adults with paroxysmal or persistent AF and monitor how well the sedation works and how patients experience the procedure. The main question is whether this lighter approach avoids the need to switch to deeper anesthesia.

What this could mean

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

Active substance: a mild sedative combination of remimazolam and fentanyl
What this could lead to: If successful, this could offer a simpler, less risky sedation option for people undergoing pulsed-field ablation for atrial fibrillation.
What could go wrong: This is a very small, early-stage trial with only 20 participants. The sedation may not be strong enough, requiring a switch to general anesthesia during the procedure.

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.

ATRIAL FIBRILLATION (AF)

Contacts and locations

Locations

University Hospital Kralovske Vinohrady
RECRUITING

Prague, 100000, Czechia

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