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ClinicalTrials.gov public records Last synced May 22, 2026, 12:21 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–3 of 3 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Vertebrobasilar Insufficiency Clear all
Recruiting No phase listed Observational
View directory record Official record
Conditions
Vertebral Artery Stenosis
Interventions
Observational Prospective Registry
Other
Lead sponsor
St. Louis University
Other
Eligibility
18 Years to 90 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
10
States / cities
Jacksonville, Florida • Tampa, Florida • Winfield, Illinois + 7 more
Source: ClinicalTrials.gov public record
Updated Feb 11, 2025 · Synced May 22, 2026, 12:21 AM EDT
Completed No phase listed Observational Results available
View directory record Official record
Conditions
Vertebrobasilar Insufficiency, Ischemic Attack, Transient, Cerebrovascular Disorder, Brain Ischemia, Stroke
Interventions
Not listed
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years and older
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
5
States / cities
Los Angeles, California • Chicago, Illinois • St Louis, Missouri + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced May 22, 2026, 12:21 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Chronic Venous Insufficiency, Peripheral Arterial Disease, Dialysis Access Malfunction, Arterio-venous Fistula, Thoracic Outlet Syndrome, Vertebral Artery Insufficiency, Varicose Veins
Interventions
Not listed
Lead sponsor
Methodist Health System
Other
Eligibility
18 Years and older
Enrollment
26,000 participants
Timeline
2014 – 2024
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 23, 2026 · Synced May 22, 2026, 12:21 AM EDT