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New study aims to spot hidden heart danger in genetic AFib patients

NCT ID NCT06575881

Knowledge-focused Sponsor: Vanderbilt University Medical Center 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 observational study looks at 200 adults with early-onset atrial fibrillation and certain genetic variants. Researchers will use cardiac MRI and electrophysiologic mapping during scheduled heart procedures to find who is at high risk for ventricular tachycardia, a dangerous heart rhythm. The goal is to better understand and predict this risk, not to test a new treatment.

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 could help doctors better predict who is at risk for life-threatening heart rhythms, leading to earlier prevention.
What could go wrong
This is an observational study, not a treatment trial. It may not lead to immediate changes in care, and results may not apply to all patients.

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

Dec 2023

Expected to finish

Dec 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

Young patients with atrial fibrillation, frequent PVCs, or VT that are scheduled to undergo procedural management of their arrhythmia.

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 and older * Diagnosed with AF, frequent PVCs, or VT before age 60 * Scheduled for catheter-based AF ablation (de-novo or repeat) OR catheter-based PVC ablation OR catheter-based VT ablation * Able to provide written, informed consent * P/LP variant in TTN or other CM gene (cases) or identified as a genotype-negative control. Exclusion Criteria: * Diagnosed with a genetic CM or arrhythmia syndrome prior to ablation procedure * VUS in 'possibly pathogenic' subgroup (control group only) * Previous PVC or VT ablation * LVEF \<20% * Prosthetic mitral or aortic valve * Contraindication to heparin * Prior myocardial infarction

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Conditions

The condition(s) this trial relates to.

atrial fibrillation Ventricular Premature Complexes ventricular tachycardia

As listed by the trial registrant

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

Atrial fibrillation Premature ventricular contraction Ventricular tachycardia

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

  • Vanderbilt University Medical Center

    RECRUITING

    Nashville, Tennessee, 37232, United States

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