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New study to test best heart rhythm fix for seniors

NCT ID NCT07424690

Disease control Sponsor: Karolinska 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Aug 06, 2026 · Updated 2 times

Summary

This study looks at two ways to treat atrial fibrillation (a common heart rhythm problem) in people aged 78 and older. One approach uses a procedure called catheter ablation to fix the heart's electrical signals, while the other uses medications to control heart rate or rhythm. Researchers will track participants for 2 years to see which strategy leads to fewer serious health events and better quality of life.

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

About 282 people

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

Expected to start

Sep 2026

An estimate. Start dates often move.

Expected to finish

Sep 2034

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.

Ages

78 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. Age ≥78 years. 2. ECG-documented atrial fibrillation. 3. AF type: paroxysmal, persistent, or longstanding persistent AF. 4. Suitable candidate for catheter ablation according to ESC guidelines. 5. Charlson's comorbidity index ≤7. Exclusion Criteria: 1. Left atrial (LA) dimension \>55 mm, based on echocardiography within the previous year. 2. Acute coronary syndrome or coronary artery bypass surgery within the last 12 weeks. 3. Severe valvular heart disease (per ESC definitions) or congenital heart disease. 4. Prior surgical or catheter AF ablation procedure, or prior AV-node (atrioventricular nodal) ablation. 5. Contraindication to oral anticoagulation. 6. AF due to a reversible cause. 7. Medical condition likely to limit survival to \<12 months. 8. Unable or unwilling to provide informed consent. 9. History of non-compliance with medical therapy. 10. BMI \<18 or \>37 kg/m².

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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) Atrial fibrillation ablation Elderly

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

  • Karolinska University Hospital

    Stockholm, Sweden

More trials for these conditions

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