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Vertebral Artery Origin Treatment Via Endovascular Techniques Registry (VOTER)

Who can join

Ages 18 to 90 · All sexes

Inclusion Criteria:

1. Patients between 18 and 90 years of age
2. Patient has experienced a posterior circulation ischemic event
3. Patient has angiographically confirmed bilateral vertebral artery origin disease (Hypoplasia, occlusion, or stenosis).
4. Patient has \>50% stenosis on the side being targeted for therapy

Exclusion Criteria:

1. Pregnant women
2. Contrast Indication to the use of anti-platelet drugs
3. There is tandem vertebral or basilar artery stenosis
4. The serum creatinin is \>2.5
5. Baseline modified Rankin score is \>3
6. \< 5 years life expectancy

About the study

A retrospective and prospective registry of patients admitted for stroke and evidence of Vertebral Artery Origin Stenosis (VAOS).

What is being tested

• Observational Prospective Registry (other)

Sponsor: St. Louis University · Participants: 150 · Started: Nov 19, 2019

Contact the study team

• Randall Edgell, MD · Phone: 314-977-3129
• Mollie Hoffmeyer, RN, BSN · Phone: 314-617-3313

Official record on ClinicalTrials.gov — NCT03999983

Locations in the U.S.

From ClinicalTrials.gov, data retrieved Oct 2, 2026. Each study sets its own eligibility; the study team decides who can join.