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Brain filter may prevent stroke during heart procedure

NCT ID NCT04685317

Recruiting now Disease control Sponsor: Malini Madhavan Source: ClinicalTrials.gov ↗

First seen Jul 21, 2026 · Last updated Jul 22, 2026 · Updated 1 time

Summary

This study tests whether a filter device called the Sentinel Cerebral Protection System can prevent stroke and brain injury during ablation for atrial fibrillation (an irregular heartbeat). The device is placed in the arteries to catch debris that might break loose during the procedure. Researchers will compare brain scans and cognitive function between patients who receive the device and those who do not.

What this could mean

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

Active substance
a filter device called the Sentinel Cerebral Protection System, placed in the arteries to catch debris during ablation
What this could lead to
If effective, this device could reduce the risk of stroke and cognitive decline during atrial fibrillation ablation procedures.
What could go wrong
This is a small pilot study with only 48 participants, so results may not apply broadly. The device itself carries procedural risks, and it may not significantly reduce brain 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.

Arrhythmias, Cardiac atrial fibrillation cardiac rhythm disease stroke disorder prevention target

As listed by the trial registrant

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

ARRHYTHMIA ATRIAL FIBRILLATION

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • Mayo Clinic in Rochester

    RECRUITING

    Rochester, Minnesota, 55905, United States

    Contact Phone: •••-•••-•••• Email: •••••@•••••

    Contact

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