Blood test may spare some stroke patients unnecessary brain scans

NCT ID NCT05002400

Completed Diagnosis Sponsor: Poitiers University Hospital Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested whether a blood test measuring PS100B levels could help rule out stroke in patients with symptoms lasting more than 24 hours but less than 4 days. Researchers enrolled 179 patients at a French hospital. If the test proves accurate, it might reduce the need for emergency brain imaging in some cases.

What this could mean

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

Active substance: PS100B blood test
What this could lead to: If successful, this blood test could help doctors quickly rule out stroke in some patients, reducing the need for emergency brain scans.
What could go wrong: This is a small, early study (179 patients) looking at a biomarker that takes hours to rise, so it may not be reliable enough for routine use. The test is not yet proven to replace standard imaging.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for STROKE are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

Conditions

The condition(s) this trial relates to.

disease stroke disorder

As listed by the trial registrant

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

STROKE

Contacts and locations

Locations

C.H.U. de Poitiers

Poitiers, 86000, France
CHU Henri MONDOR

Créteil, 94000, France

More trials for these conditions

Other studies related to the condition(s) this trial covers.