Hidden heart problem may cause strokes in women – study tests new monitoring

NCT ID NCT07194811

Ongoing Knowledge-focused Sponsor: University Hospital, Akershus Source: ClinicalTrials.gov ↗

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

Summary

This study follows 1,400 women who had a stroke with no known cause. Researchers use a small implantable heart monitor to check for hidden atrial fibrillation, an irregular heartbeat that can cause strokes. The goal is to see if detecting this condition and using blood thinners can lower the risk of another stroke or disability.

What this could mean

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

Active substance: implantable cardiac monitor
What this could lead to: If successful, this study could show that long-term heart monitoring helps detect hidden atrial fibrillation in women, potentially guiding better stroke prevention strategies.
What could go wrong: This is an observational study, not a randomized trial, so it cannot prove cause and effect. Results may not apply to all stroke patients, and monitoring may not reduce stroke recurrence.

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Conditions

The condition(s) this trial relates to.

Arrhythmias, Cardiac atrial fibrillation cardiovascular disorder cerebrovascular disorder Embolic Stroke intracranial embolism Ischemic Stroke stroke disorder transient ischemic attack

As listed by the trial registrant

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

ATRIAL FIBRILLATION CRYPTOGENIC STROKE EMBOLIC STROKE OF UNDETERMINED SOURCE IMPLANTABLE CARDIAC MONITOR ORAL ANTICOAGULATION SECONDARY STROKE PREVENTION WOMEN'S HEALTH

Contacts and locations

Locations

Akershus University Hospital, Department of Neurology

Oslo, Lørenskog/Akershus, 1478, Norway

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