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Blood fat clues could flag hidden heart rhythm risk

NCT ID NCT07757282

Knowledge-focused Sponsor: First Affiliated Hospital Xi'an Jiaotong 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 11, 2026 · Last updated Aug 12, 2026 · Updated 1 time

Summary

This study looks at whether certain fat molecules in the blood, called lipids and ceramides, are linked to atrial fibrillation, a common heart rhythm problem. Researchers will compare blood samples from people with atrial fibrillation to those with other heart conditions but no atrial fibrillation. By analyzing these fats, they hope to find patterns that could one day help identify or understand the condition better.

What this could mean

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

Active substance
Peripheral blood lipidomic profiling and ceramide assays (no treatment)
What this could lead to
If certain fat molecules in the blood are linked to atrial fibrillation, this could lead to a simple blood test to help identify people at risk or aid in diagnosis.
What could go wrong
This is an observational study, so it can only show associations, not cause and effect. The findings may not apply to all people with atrial fibrillation, and more research would be needed before any test could be used 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 200 people

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

Started

Jun 2017

Expected to finish

Feb 2027

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

The study population includes adult patients prospectively enrolled from clinical cardiovascular cohorts. Participants will include patients with atrial fibrillation diagnosed by Holter monitoring and control patients with other cardiovascular diseases without documented atrial fibrillation. All participants will provide peripheral blood samples for untargeted lipidomic profiling or targeted ceramide analysis.

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: * Adults aged 18 years or older. * Participants who are able to provide informed consent. * Participants diagnosed with atrial fibrillation based on Holter monitoring, or control participants with other cardiovascular diseases and no documented atrial fibrillation. * Participants with available peripheral blood samples for untargeted lipidomic profiling or targeted ceramide analysis. Exclusion Criteria: * Inability or unwillingness to provide informed consent. * Missing key clinical information. * Missing or poor-quality peripheral blood samples unsuitable for lipidomic or targeted ceramide analysis. * Participants considered unsuitable for this study by the investigators.

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Conditions

The condition(s) this trial relates to.

atrial fibrillation

As listed by the trial registrant

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

Atrial fibrillation (AF)

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

  • First Affiliated Hospital of Xian JiaotongUniversity

    RECRUITING

    Xi'an, Shaanxi, 710061, China

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