Can zapping an extra vein stop atrial fibrillation better?
NCT ID NCT07724899
First seen Jul 24, 2026 · Last updated Jul 24, 2026
Summary
This trial investigates whether isolating the superior vena cava, in addition to the standard pulmonary vein isolation, improves success rates for treating atrial fibrillation. Using a newer, safer energy source called pulsed field ablation, the study compares the two procedures in 200 adults with documented AF. The goal is to see if targeting non-pulmonary vein triggers can reduce recurrence without added harm.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- pulsed field ablation procedure to isolate the superior vena cava and pulmonary veins
- What this could lead to
- If successful, this approach could reduce atrial fibrillation recurrence by targeting an additional trigger site beyond the standard pulmonary vein isolation.
- What could go wrong
- This is a single-center trial with 200 participants, and the added isolation may not improve outcomes or could increase procedure risks like phrenic nerve injury.
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.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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Qiang Hu
RECRUITINGChengdu, Sichuan, 610000, China
Contact Phone: •••-•••-•••• Email: •••••@•••••
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