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Hidden clot risk in rare heart disease revealed by CT scans

NCT ID NCT07648303

Knowledge-focused Sponsor: Centre Hospitalier Universitaire Dijon 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Sep 18, 2026 · Updated 3 times

Summary

This study uses advanced CT scans to find out how common blood clots are inside the heart chambers of people with cardiac amyloidosis, a condition where abnormal proteins build up in the heart. Researchers will scan 200 adults diagnosed with this disease to detect clots that may raise stroke risk, even in those without irregular heartbeats. The goal is to better understand who is at risk and improve prevention strategies.

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 reveal how often dangerous blood clots form in the hearts of people with cardiac amyloidosis, helping doctors better prevent strokes.
What could go wrong
This is an observational study, not a treatment trial. It will not test any new therapy, and the findings may not apply to all patients with cardiac amyloidosis.

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.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 200 people

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

Started

Sep 2026

Expected to finish

Sep 2030

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.

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: * Individuals with a diagnosis of cardiac amyloidosis (AL diagnosed by echocardiography and/or MRI combined with histological evidence; or ATTR diagnosed in the presence of typical cardiac abnormalities on echocardiography and/or MRI with cardiac hyperintensity) * Individuals who have had at least one consultation related to their cardiac amyloidosis at the Dijon University Hospital during the year prior to enrollment * Adults Exclusion Criteria: * Individuals with an estimated glomerular filtration rate (eGFR) \< 30 mL/min/1.73 m² * Anyone with a known allergy to iodinated contrast agents * Overt thyrotoxicosis * Uncontrolled asthma * Individuals with a known history of cardiac thrombus * Individuals with a history of percutaneous or surgical closure of the left atrial appendage * Individuals not enrolled in or not eligible for a social security program * Individuals under legal guardianship * Individuals under conservatorship * Pregnant or breastfeeding women

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Conditions

The condition(s) this trial relates to.

Amyloid Neuropathies, Familial amyloidosis

As listed by the trial registrant

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

Cardiac amyloidosis

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

  • Chu Dijon Bourogne

    RECRUITING

    Dijon, 21000, France

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