Blood test could help paramedics spot severe strokes before the hospital

NCT ID NCT04726839

First seen Jun 24, 2026 · Last updated Jun 26, 2026 · Updated 1 time

Summary

This study looked at whether a panel of blood biomarkers can quickly identify stroke patients who have a large vessel occlusion (a major blockage) and would benefit from a specialized clot-removal procedure. Researchers enrolled nearly 3,900 adults with stroke symptoms and tested their blood in the ambulance or emergency room. The goal is to help paramedics decide which hospital to take a patient to, avoiding delays that can worsen outcomes.

What this could mean

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

Active substance

blood biomarker panel

What this could lead to

If successful, this blood test could help paramedics quickly identify stroke patients who need a specialized clot-removal procedure, getting them to the right hospital faster and improving outcomes.

What could go wrong

This is a completed study analyzing blood samples, not a treatment trial. The biomarker panel may not be accurate enough in real-world ambulance settings, and further validation is needed before it can be used routinely.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

cerebral artery occlusion ischemic stroke large artery stroke

As listed by the trial registrant

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

Contacts and locations

Locations

  • Department Neurology Caen Hospital

    Caen, France

  • Hospital Foch

    Suresnes, France

  • Lariboisière

    Paris, 75010, France

  • Rothschild Foundation Hospital

    Paris, France