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New 3D mapping may cut radiation during heart procedure

NCT ID NCT07630480

Disease control Sponsor: Kafrelsheikh University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested two ways to treat a type of fast heartbeat called AVNRT. One method uses standard X-ray guidance, while the other uses a 3D map of the heart. Researchers wanted to see if the 3D approach reduces radiation exposure. The trial involved 80 adults with confirmed AVNRT who were randomly assigned to one of the two techniques.

What this could mean

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

Active substance
catheter ablation procedure
What this could lead to
If successful, this could show that 3D mapping reduces radiation exposure during heart ablation while maintaining effectiveness.
What could go wrong
This is a small, completed study with only 80 participants, so results may not apply to all patients. The 3D mapping technique may not improve success rates or reduce recurrence.

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

80 people

The number who actually took part.

Started

Dec 2023

Finished

Nov 2025

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: * Sustained symptomatic supraventricular tachycardia with surface ECG features highly suggestive of atrioventricular nodal re-entrant tachycardia (AVNRT). * Electrophysiologically confirmed typical (slow-fast) AVNRT during the index electrophysiology study. * Ability to provide written informed consent. Exclusion Criteria: * Coexisting arrhythmia requiring concurrent catheter ablation during the same procedure. * Non-inducible AVNRT at the time of electrophysiological study. * Antiarrhythmic drug use within 48 hours before the procedure or ongoing amiodarone therapy. * Hemodynamic instability precluding safe catheter manipulation. * Pregnancy.

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Conditions

The condition(s) this trial relates to.

Tachycardia, Atrioventricular Nodal Reentry Tachycardia, Supraventricular

As listed by the trial registrant

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

Atrioventricular nodal reentry tachycardia Supraventricular tachycardia (SVT)

Contacts and locations

Locations

  • Kafr Elsheikh Univfersity Hospital

    Kafr ash Shaykh, Kafr el-Sheikh Governorate, 11355, Egypt

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