Impact of Carotid Artery Stenting on Brain Blood Flow and Cognitive Function
Official title: Effect of Carotid Artery Stent on Evoked Cerebral Blood Oxygenation and Neurocognitive Functioning
Run by Shanghai Jiao Tong University Affiliated Sixth People's Hospital · NCT04651998 · Data updated 2026-05-14
This study is no longer in our active list. It may have stopped recruiting or finished. The details below are as of 2026-05-14 and are kept for reference. Check ClinicalTrials.gov for its current status, or see similar studies below.
This study is testing if a procedure called carotid artery stenting can improve blood flow to the brain and help people with severe artery narrowing think better.
Quick facts
| Study type | Observational |
|---|---|
| Ages | 35 Years to 80 Years |
| Sex | All |
| Enrollment | 74 (estimated) |
| Sponsor | Shanghai Jiao Tong University Affiliated Sixth People's Hospital Academic / other |
| Locations | 1 site (Shanghai) |
| Trial ID | NCT04651998 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates are individuals aged 35-80 with severe carotid artery stenosis who are asymptomatic or have experienced mild strokes.
✕Probably not a fit
Patients with severe stenosis or occlusion of other major arteries, significant heart issues, or diagnosed dementia may not benefit from this study.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This study evaluates the effects of carotid artery stenting on cerebral blood oxygenation and neurocognitive function in patients with severe carotid artery stenosis. Patients aged 35-80 with confirmed high-grade stenosis will undergo cognitive assessments and functional near-infrared spectroscopy (fNIRS) before and after the stenting procedure, with follow-up evaluations at six months. The study aims to determine whether revascularization can improve blood flow to the brain and enhance cognitive performance. Cognitive tests such as the Mini-Mental State Examination (MMSE) and Montreal Cognitive Assessment (MoCA) will be utilized to measure changes in cognitive function.
Why it matters
Potential benefit: If successful, this study could lead to improved cognitive functioning in patients with carotid artery stenosis through enhanced cerebral blood flow.
How similar studies have gone: While the approach of using stenting for cognitive improvement is being explored, this specific evaluation of fNIRS in relation to cognitive function post-stenting is relatively novel.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: 1. 35-80 years old 2. Severe carotid stenosis (MRA or CTA confirmed stenosis rate of 70% - 99%, NASCET standard) 3. Asymptomatic or mild stroke (NIHSS ≤ 3) or TIA 4. Agree to participate in the clinical trial and sign the informed consent Exclusion Criteria: 1. Severe stenosis or occlusion of vertebrobasilar artery and other intracranial arteries (70% - 99%) 2. Left ventricular ejection fraction \< 50% or heart failure 3. Other types of dementia have been diagnosed 4. Severe depression, mental illness, epilepsy 5. Not cooperating with cognitive task evaluation
Where it's running
-
Shanghai 6th People's Hospital
Shanghai, China Recruiting
Study contacts
- Principal investigator: Yueqi Zhu, PhD — Shanghai Jiao Tong University Affiliated Sixth People's Hospital
- Study coordinator: Jiangshan Deng, PhD
- Email: johnson120@126.com
- Phone: 862164369181
Similar studies
Other studies for the same condition or treatment. Recruiting studies are listed first.
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Photon-counting CT vs conventional CT for carotid plaque in people with carotid artery stenosis
This study tests whether photon-counting CT gives clearer, more detailed pictures of carotid plaques compared with standard CT in patients with carotid artery stenosis to help characterize plaque features.
-
Carotid artery stent for people with carotid narrowing who are high risk for surgery
This study will try a carotid artery stent system in adults with carotid artery narrowing who are considered high risk for carotid endarterectomy.
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Balloon guide catheter plus filter protection during carotid artery stenting
This trial tests whether adding a balloon guide catheter to the usual distal filter during carotid artery stenting reduces debris-related brain injury in adults with symptomatic (≥50%) or asymptomatic (≥70%) carotid stenosis scheduled for stenting.
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Ultra-Intensive Lipid-Lowering Therapy in Carotid Artery Stenosis: PCSK9 Inhibitor Plus Statin vs Statin Alone
This study tests whether adding a PCSK9 inhibitor to statin therapy improves the amount of atherosclerosis in people with carotid artery stenosis compared to statin therapy alone.
-
Ultrasound screening and combined treatment strategies for people with coronary and neck artery narrowing.
This project uses Doppler ultrasound to screen people with coronary artery disease scheduled for elective PCI to see if finding and managing neck artery narrowings together with heart procedures leads to better outcomes.
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Evaluating a new system for protecting the brain during carotid artery procedures
This study is testing a new device to see if it can help protect the brain during carotid artery procedures for people with narrowed arteries.
How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.