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Heart procedure goes Radiation-Free: two techniques face off

NCT ID NCT07028502

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 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026

Summary

This study compared two methods for a key step in atrial fibrillation ablation—puncturing the wall between heart chambers—without using any X-rays. Both techniques used ultrasound instead. The trial involved 28 patients and measured how long each method took, whether X-rays were needed, and if any complications occurred. The goal was to see which technique is safer and more efficient, and to help doctors learn how to perform the procedure without radiation.

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 establish safer, radiation-free methods for heart procedures.
What could go wrong
This is a small, completed study with only 28 participants, so results may not apply widely. No new treatment is being tested.

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

28 people

The number who actually took part.

Started

Apr 2023

Finished

Sep 2024

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: 1. Patients with paroxysmal or persistent AF and are scheduled to undergo at least but not limited to pulmonary vein (PV) isolation. 2. Patients who are willing to sign the informed consent. Exclusion Criteria: 1. The patients need right atrial mapping and/or ablation before TSP. 2. The women who is pregnant. 3. Informed consent could not be obtained.

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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)

Contacts and locations

Locations

  • National Taiwan University Hospita

    Taipei, 100, Taiwan

More trials for these conditions

Other studies related to the condition(s) this trial covers.