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Brain artery study seeks clues to memory decline

NCT ID NCT06336174

Knowledge-focused Sponsor: Anhui Medical University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study follows 100 people with severe narrowing of brain arteries to understand why some develop memory and thinking problems. Participants receive either standard medications or a procedure to open the artery. Researchers will track changes in memory and stroke risk over time.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Aspirin, Clopidogrel, Atorvastatin
What this could lead to
If successful, this study could clarify how different treatments affect memory and thinking in people with narrowed brain arteries.
What could go wrong
This is an observational study with only 100 participants, so results may not apply to everyone. It aims to understand mechanisms, not to prove a new treatment works.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

About 100 people

The number the study aims to enrol. It can still change while the study runs.

Started

Nov 2022

Expected to finish

Dec 2026

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Patients with intracranial stenosis which was defined as stenosis of 70% or more in Intracranial segment of internal carotid artery and middle cerebral artery (MCA) with transient ischemic attack or minor stroke(NIHSS≤4 points).The degree of stenosis was measured by transcranial doppler, computed magnetic resonance angiography (MRA),tomography angiography (CTA) and digital subtraction angiography (DSA).

Ages

18 to 80 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Age between 18 and 80 years * Severe stenosis (≥70%-99%) of atherosclerotic internal carotid artery (C6 segment, C7 segment) or middle cerebral artery (M1 segment) confirmed by digital subtraction angiography (DSA) or at least two of the following non-invasive examinations: magnetic resonance angiography (MRA), computed tomography angiography (CTA), or transcranial Doppler (TCD) * Transient ischemic attack (TIA) or minor stroke (National Institute of Health Stroke Scale \[NIHSS\] score ≤ 4 points) * Right-handed and able to cooperate in neuropsychological tests * At least 14 days post-onset of cerebral infarction or TIA * Signed informed consent Exclusion Criteria: * Other diseases that affect cognitive function, such as cerebral hemorrhage, •Parkinson's disease, neurosyphilis, dementia, tumors, etc. * Right upper limb hemiplegia, aphasia, visual field defects, or visual impairments * More than 50% stenosis of the extracranial internal carotid artery, the vertebral artery, or the basilar artery * Vasculitis, moyamoya disease, and cardiogenic stroke * Previous history of head and neck stent implantation, carotid endarterectomy, aneurysm embolization, or other intracranial surgeries

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Conditions

The condition(s) this trial relates to.

Cognitive Dysfunction intracranial arterial disease intracranial arteriosclerosis stroke disorder

As listed by the trial registrant

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

Cerebrovascular event Cognitive impairment Intracranial atherosclerosis

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Anhui Medical University

    RECRUITING

    Hefei, Anhui, 230032, China

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