Can low blood flow predict stroke? new study investigates

NCT ID NCT00590980

Completed Knowledge-focused Sponsor: University of Illinois at Chicago Source: ClinicalTrials.gov ↗

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

Summary

This study followed 82 people with blocked arteries supplying the back of the brain to see if low blood flow raises the risk of stroke or mini-stroke. Participants had already experienced a stroke or transient ischemic attack (TIA) and had at least 50% blockage in those arteries. Researchers used MRI to measure blood flow and tracked participants for future strokes. The goal was to determine if blood flow levels can help predict who is at highest risk.

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 help doctors identify which patients with blocked brain arteries are at highest risk of stroke, leading to better prevention strategies.
What could go wrong: This is an observational study with only 82 participants, so results may not apply to everyone. It does not test a new treatment, so direct patient benefits are limited.

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.

brain ischemia cerebrovascular disorder stroke disorder transient ischemic attack vertebrobasilar insufficiency

As listed by the trial registrant

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

BRAIN ISCHEMIA CEREBROVASCULAR DISORDER ISCHEMIC ATTACK, TRANSIENT STROKE VERTEBROBASILAR INSUFFICIENCY

Contacts and locations

Locations

Columbia University

New York, New York, 10032, United States
Jeffrey Kramer, MDSC at Mercy Hospital

Chicago, Illinois, 60616, United States
UHN-Toronto Western Hospital

Toronto, Ontario, M5T 2S8, Canada
University of California at Los Angeles - UCLA

Los Angeles, California, 90095, United States
University of Illinois at Chicago

Chicago, Illinois, 60612, United States
Washington University

St Louis, Missouri, 63110, United States

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