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New heart catheter aims to zap Hard-to-Treat AFib

NCT ID NCT06960252

Disease control Sponsor: Ting-Yung Chang 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 26, 2026

Summary

This study tests a new catheter called OPTRELL™ to map and treat persistent atrial fibrillation (AF), a type of irregular heartbeat that is harder to treat. The device helps doctors identify and target the specific areas in the heart causing the problem. The trial will enroll 80 people with persistent AF to see if this approach reduces the chance of the arrhythmia returning after ablation.

What this could mean

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

Active substance
OPTRELL™ Mapping Catheter (a device used to map the heart's electrical signals during ablation)
What this could lead to
If successful, this could improve the precision of ablation for persistent atrial fibrillation, potentially reducing the chance of the arrhythmia coming back.
What could go wrong
This is a small, early-stage study (80 participants) testing a new device. The approach may not work better than standard ablation, and there are always risks with heart procedures like bleeding or infection.

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 80 people

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

Started

Aug 2025

Expected to finish

Dec 2027

An estimate. End dates often move.

Lead sponsor

A government agency

The lead sponsor is a government body.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

non-paroxysmal AF

Ages

20 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: 1. Patients who sign the informed consent forms, and allow to be followed. 2. Symptomatic AF refractory or intolerant to at least one Class 1 or 3 antiarrhythmic medication. 3. Patients with persistent/permanent AF (sustained beyond seven days, or lasting less than seven days but necessitating pharmacologic or electrical cardioversion). Persistent AF is defined as an AF episode which lasts longer than 7 days, Persistent AF which lasted longer than 12 months will be defined as long standing persistent AF. 4. Patients with age equal or greater than 20 years old regardless of gender. Exclusion Criteria: 1. The presence of an atrial or ventricular thrombus. 2. Patients who are allergic to or unsuitable for use with the contrast media. 3. Pregnant patients or patients who are unavailable to receive X-ray. 4. Patients with severe renal insufficiency. (Glomerular Filtration Rate \[GFR\] \< 15 mg/dl or under dialysis) 5. Patients had autonomic nervous system disorder (e.g. respiratory apnea). 6. Patients with age less than 20 years old or greater than 90 years old regardless of gender. 7. Contraindications to anticoagulation.

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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

  • Taipei Veterans General Hospital

    RECRUITING

    Taipei, Outside US, 112, Taiwan

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