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500 patients join hunt for genetic clues in brain vessel disease

NCT ID NCT05473637

Knowledge-focused Sponsor: National Taiwan University Hospital 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study is following 500 people with cerebral small vessel disease (CSVD) to see how their genes affect their brain scans, symptoms, and health over time. Participants get genetic testing and MRI scans at the start and again after 1-2 years. The goal is to better understand the differences between genetic and non-genetic forms of CSVD, which could improve diagnosis and future treatments.

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 successful, this study could help doctors better predict and manage brain small vessel disease based on genetic types.
What could go wrong
This is an observational study, not a treatment trial. It may not lead to direct benefits for participants, and results may take years to apply in practice.

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 500 people

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

Started

Jan 2019

Expected to finish

Dec 2028

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

This study enrolled patients with clini-cal and neuroimaging features of CSVD in the neurology outpatient clinic of National Taiwan University Hospital. The clinical features for being enrolled in the TAG-SVD cohort included stroke (especially small vessel occlusion type of ischaemic stroke, spontaneous ICH or young stroke), cognitive impairment, gait disturbance, parkinsonism, headache or a positive family history of hereditary CSVD. The neuroimaging features were at least one evident magnetic resonance imaging (MRI) feature of CSVD

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: Participants must have at least one of the following symptoms/signs or history * stroke (especially small vessel occlusion type of ischaemic stroke, spontaneous ICH or young stroke) * cognitive impairment or dementia * gait disturbance * parkinsonism (especially vascular parkinsonism features) * headache (especially migraine) * positive family history of hereditary CSVD * MRI evidence of CSVD (MRI may be done for other reasons), including mild to moderate white matter hyper intensity, any lacune, or any cerebral microbleed Exclusion Criteria: * MRI evidence of CSVD due to other inflammatory, malignancy, or structural lesions * patients or family members not willing to sign informed consent

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Conditions

The condition(s) this trial relates to.

brain small vessel disease 1 with or without ocular anomalies cerebral arteriopathy with subcortical infarcts and leukoencephalopathy cerebral arteriopathy, autosomal dominant, with subcortical infarcts and leukoencephalopathy, type 1 Cerebral Small Vessel Diseases Fabry disease HTRA1-related autosomal dominant cerebral small vessel disease stroke disorder

As listed by the trial registrant

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

Cadasil Cerebral small vessel diseases COL4A1-related brain small vessel disease with haemorrhage Fabry disease HTRA1-related autosomal dominant cerebral angiopathy Magnetic resonance imaging Next-generation sequencing Stroke

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

  • Department of Neurology, National Taiwan University Hospital

    RECRUITING

    Taipei, 100, Taiwan

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