Vertebral artery insufficiency
MONDO:0001631A syndrome which occurs as a result of the occlusion of one of the vertebral arteries. It may be caused by atherosclerosis, embolism or hemorrhage. Collateral circulation through the circle of Willis is usually comprised as well. Clinical signs may include vertigo, nystagmus, dysarthria, ataxia and sensorimotor deficits. Clinical course may lead to persistence of neurologic deficits. Prognosis is variable with a substantial risk for recurrent infarction.
Also known as: vertebral artery syndrome
37 clinical trials for this condition and its sub-types.
Follow this condition — get notified about new trialsBroader categories
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A new program aims to help stroke survivors change their lives
Disease control CompletedThis study tests whether a program called iHeLP is practical and acceptable for stroke survivors. The program includes a one-on-one interview to set personal goals, followed by six weekly group sessions focused on healthy lifestyle changes. Researchers will measure how many peopl…
Phase: NA • Sponsor: University of Limerick • Aim: Disease control
Last updated Aug 14, 2026 00:00 UTC
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Gentle brain zaps may help stroke survivors regain spatial awareness
Disease control CompletedThis study investigates whether a noninvasive brain stimulation technique called transcranial direct current stimulation (tDCS) can enhance recovery from spatial neglect — a condition where stroke survivors ignore one side of their world. Participants who had a stroke 3 to 12 mon…
Phase: NA • Sponsor: Universitat Oberta de Catalunya • Aim: Disease control
Last updated Jul 23, 2026 00:00 UTC
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Eye doppler test may spot dangerous brain pressure
Diagnosis CompletedThis study tested whether a special ultrasound of the eye's main artery can help doctors diagnose increased pressure inside the skull. Researchers measured blood flow in the central retinal artery of 66 patients with stroke or traumatic brain injury. The goal was to see if change…
Phase: NA • Sponsor: Inas Ahmed Sayed Ammar • Aim: Diagnosis
Last updated Jun 27, 2026 11:02 UTC
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Brain zaps boost stroke recovery in small trial
Symptom relief CompletedThis study tested whether a non-invasive brain stimulation technique called tDCS, combined with balance and walking exercises, could help stroke survivors improve their mobility and thinking. Thirty adults who had a stroke participated. The results suggest tDCS may enhance rehabi…
Phase: NA • Sponsor: University of Phayao • Aim: Symptom relief
Last updated Jun 27, 2026 07:53 UTC
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Massive study explores safety of Office-Based blood vessel procedures
Knowledge-focused CompletedThis completed study looked at 26,000 patients who had outpatient procedures for blood vessel problems like peripheral artery disease, varicose veins, or dialysis access issues. The goal was to see how safe and effective these procedures are when done in an office-based angiosuit…
Sponsor: Methodist Health System • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:00 UTC
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Stroke survivors: could this seated exercise boost your fitness and brain health?
Knowledge-focused CompletedThis study looked at how different types of exercise (interval vs. continuous) and intensity levels (moderate vs. high) affect aerobic fitness and blood vessel health in people who have had a stroke. 59 participants used a seated stepper that moves both arms and legs. The goal wa…
Phase: PHASE2 • Sponsor: University of Kansas Medical Center • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:08 UTC