Improving CT diagnostics for stroke mimics

The Importance of Multimodal CT Examination in Stroke Mimics Diagnosis: a Prospective Observational Multicenter Study

Observational University Hospital Ostrava · NCT06045455

This study is testing new CT imaging methods to see if they can better identify patients who are having stroke-like symptoms but don’t actually have a stroke, helping to avoid unnecessary treatments.

Quick facts

Study typeObservational
Enrollment3000 (estimated)
Ages18 Years and up
SexAll
SponsorUniversity Hospital Ostrava Academic / other
Locations3 sites (Ostrava, Moravian-Silesian Region and 2 other locations)
Trial IDNCT06045455 on ClinicalTrials.gov

What this trial studies

This observational clinical research aims to enhance the accuracy of multimodal computer tomography (CT) diagnostics in identifying stroke mimics among patients with sudden neurological deficits. The study will involve patients over 18 years old who are suspected of having a stroke, utilizing advanced imaging techniques such as non-contrast CT, CT angiography, and CT perfusion. By comparing the effectiveness of these multimodal imaging methods against standard CT approaches, the study seeks to reduce inappropriate treatments and associated complications, while also analyzing the economic impact of improved diagnostics.

Who should consider this trial

Good fit: Ideal candidates are adults over 18 years old presenting with acute focal neurological deficits within 24 hours of symptom onset.

Not a fit: Patients whose last period of normality is unknown or who have symptoms lasting more than 24 hours prior to examination may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to more accurate diagnoses of stroke mimics, reducing unnecessary treatments and improving patient outcomes.

How similar studies have performed: Other studies have shown promise in using advanced imaging techniques for stroke diagnosis, suggesting potential success for this approach.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

\- an acute focal neurological deficit (minimum 1 point on the National Institutes of Health Stroke Scale - NIHSS) within 24 hours from the onset of symptoms

Exclusion Criteria:

* the last period of normality is unknown prior to multimodal CT examination
* the last period of normality is \>24 hours prior to multimodal CT examination
* the diagnostic evaluation is incomplete
* a final neurologic diagnosis cannot be determined

Where this trial is running

Ostrava, Moravian-Silesian Region and 2 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Stroke Mimicsstroke mimicsneurological disorderscerebrovascular accidentbrain disorderscomputer tomographyCT angiographynon-contrast head computed tomography
Last reviewed 2026-06-09 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.