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Eye dye test may spot hidden brain disease

NCT ID NCT06416371

Knowledge-focused Sponsor: University of Edinburgh Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study uses a special eye dye test to see if leaky blood vessels in the eye are linked to leaky blood vessels in the brain. Researchers will compare eye images with brain scans from 40 people who have had a mild stroke or related brain disease. The goal is to learn more about cerebral small vessel disease, which can lead to dementia and stroke.

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 40 people

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

Started

Jan 2025

Expected to finish

Feb 2029

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

Adults \>18 years old with mild ischaemic stroke with a modified Rankin scale (mRS) greater or equal to 2 at recruitment presenting to Edinburgh/Lothian stroke services. For details see Clancy, et al (2021) Rationale and design of a longitudinal study of cerebral small vessel diseases, clinical and imaging outcomes in patients presenting with mild ischaemic stroke: Mild Stroke Study 3. European Stroke Journal 6:81-88. https://doi.org/10.1177/2396987320929617

Ages

18 years and older

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: * Membership in the Mild Stroke Study 3 cohort * Contrast enhanced MRI within 12 months * Clear optical media in both eyes, as assessed by study investigator * Best corrected visual acuity (near vision) ≥N36 Exclusion Criteria: * Any condition known to cause retinal leakage (i.e., worse than background diabetic retinopathy, retinal vein occlusion, active uveitis, wet age-related macular degeneration, malignant hypertension) * Previous treatment for retinal leakage (retinal laser, intravitreal anti-VEGF) * Recent eye surgery * Shallow anterior chambers as assessed by torch test * Pregnancy, renal failure * Severe dementia * Known allergy to fluorescein * History of allergy such as food or drug induced urticaria or history of bronchial asthma * Any other severe or acute medical or psychiatric conditions * Inability to give informed consent

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Conditions

The condition(s) this trial relates to.

Cerebral Small Vessel Diseases Stroke, Lacunar vascular dementia

As listed by the trial registrant

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

Cerebral small vessel diseases Lacunar stroke Vascular dementia

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. 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

  • NHS Lothian

    RECRUITING

    Edinburgh, United Kingdom

More trials for these conditions

Other studies related to the condition(s) this trial covers.