New study aims to solve the mystery of 'breakthrough' strokes in heart patients

NCT ID NCT06954610

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study will follow 500 people who have had a stroke and also have atrial fibrillation (an irregular heartbeat). Some were taking blood thinners when they had their stroke, others were not. Researchers want to understand why blood thinners fail in some patients, by looking at blood tests and heart ultrasound images. The goal is to better predict who is at highest risk for another stroke and to guide future treatments.

What this could mean

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

What this could lead to
If successful, this study could lead to better ways to identify which atrial fibrillation patients are at highest risk for stroke, helping doctors choose more personalized treatments.
What could go wrong
This is an observational study, not a treatment trial, so it won't directly test a new therapy. The results may not apply to all patients, and it may take years before any changes in clinical practice occur.

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

Locations

  • Inselspital Bern

    RECRUITING

    Bern, 3010, Switzerland

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