Why do some stroke patients not improve after clot removal? new study aims to find out

NCT ID NCT07534319

Recruiting now Knowledge-focused Sponsor: University of Zurich Source: ClinicalTrials.gov ↗

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

Summary

This study looks at why about half of stroke patients don't recover well even after doctors successfully remove a blood clot from their brain. Researchers will use special MRI scans to measure blood flow changes in the brain at 3 days, 7 days, and 90 days after the procedure. They will follow 100 adult stroke patients to see if these blood flow patterns relate to how well patients recover 3 months later.

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 could help doctors identify why some stroke patients don't recover well after clot removal, potentially leading to better treatments.
What could go wrong: This is an early observational study with only 100 participants, so results may not apply to all patients. It aims to understand the problem, not test a new treatment.

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.

ischemic stroke No-Reflow Phenomenon stroke disorder

As listed by the trial registrant

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

ACUTE CEREBROVASCULAR ACCIDENT CEREBRAL REVASCULARIZATION NO-REFLOW PHENOMENON THROMBECTOMY

Contacts and locations

Locations

Zurich University Hospital
RECRUITING

Zurich, Canton of Zurich, 8006, Switzerland

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