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Gene clue may help spot hidden brain vessel condition

NCT ID NCT06809062

Knowledge-focused Sponsor: Centre Hospitalier Universitaire de Nīmes Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looks at whether a specific gene variant (ApoE4) is more common in people with certain brain MRI patterns that suggest cerebral amyloid angiopathy (CAA), a condition where proteins build up in brain blood vessels. Researchers will analyze genetic samples from 100 patients who have had an ischemic stroke and show signs of small vessel disease on MRI. The goal is to see if the gene can help identify CAA in patients without the typical bleeding pattern.

What this could mean

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

What this could lead to
If a strong link is found, this could help doctors identify amyloid angiopathy earlier using genetic testing.
What could go wrong
This is an observational study with only 100 participants, so results may not apply to everyone. The gene variant is common and not definitive for diagnosis.

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

100 people

The number who actually took part.

Started

Feb 2025

Finished

Dec 2025

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 ischaemic stroke (from causes other than CAA, as CAA is not a frequent cause of ischaemic stroke) with associated stigmata of microangiopathy on MRI that may suggest associated CAA.

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: * Patients with ischaemic stroke (from causes other than CAA, as CAA is not a frequent cause of ischaemic stroke) with associated stigmata of microangiopathy on MRI that may suggest associated CAA. * Patients treated at Nîmes University Hospital Exclusion Criteria: * Patient refusing to participate

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Conditions

The condition(s) this trial relates to.

Amyloid angiopathy cerebral amyloid angiopathy

As listed by the trial registrant

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

Amyloid angiopathy

Contacts and locations

Locations

  • CHU de Nîmes

    Nîmes, Gard, 30029, France