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Heart rhythm study seeks to predict ablation success

NCT ID NCT05366530

Knowledge-focused Sponsor: Imperial College London 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
The trial has finished. Results may not be published yet.
Stopped early This study
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This status has not been confirmed recently, so it may be out of date.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 looked at a common heart rhythm problem called atrial fibrillation (AF). The goal was to find better ways to predict which patients would benefit from a procedure called ablation, which creates scar tissue in the heart to stop abnormal rhythms. Researchers planned to use advanced heart mapping, blood tests, and MRI scans to develop a prediction tool. The study was terminated early with only one participant enrolled.

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

1 person

The number who actually took part.

Started

May 2022

Finished

Aug 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.

Who is studied

Patients undergoing direct current cardioversion (DCCV) or catheter ablation for atrial fibrillation

Ages

18 to 85 years

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: * Suitable candidate for catheter mapping/ablation for arrhythmias or direct current cardioversion for atrial fibrillation * Signed Informed Consent Exclusion Criteria: * Severe cerebrovascular disease * Moderate to severe renal impairment (eGFR \< 30) * Active gastrointestinal bleeding * Active infection or fever * Short life expectancy * Significant anaemia * Severe uncontrolled systemic hypertension * Severe electrolyte imbalance * Congestive heart failure - NYHA Class IV * Recent myocardial infarction * Bleeding or clotting disorders * Uncontrolled diabetes * Inability to receive IV or oral Anticoagulants * Unable to give informed consent * Pregnancy

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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

Contacts and locations

Locations

  • Imperial College Healthcare NHS Trust

    London, United Kingdom

More trials for these conditions

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