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No booze, better beat: study tests alcohol abstinence after AF ablation

NCT ID NCT07528729

Disease control Sponsor: Rigshospitalet, Denmark 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests whether staying alcohol-free for six months after a heart ablation procedure can reduce the return of atrial fibrillation (AF), a common heart rhythm problem. Researchers will enroll 414 adults who drink at least three alcoholic beverages per week and are scheduled for their first AF ablation. Participants will either receive nurse-led support to quit alcohol or continue their usual habits. The study uses a smartwatch to track heart rhythms and will also measure symptoms, quality of life, and long-term outcomes.

What this could mean

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

Active substance
alcohol abstinence (behavioral intervention)
What this could lead to
If successful, this could show that stopping alcohol for six months after ablation reduces the chance of atrial fibrillation returning, offering a simple lifestyle change to improve outcomes.
What could go wrong
This is a behavioral study with no blinding, so results may be influenced by participant awareness. The intervention requires significant commitment, and long-term benefits beyond six months are not yet known.

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 414 people

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

Expected to start

Apr 2026

An estimate. Start dates often move.

Expected to finish

May 2030

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

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: * All patients \>18 years old * Referred to a first-time AF or AFL ablation * Scores ≥3 on AUDIT/ ≥3 drinks per week * Can use the ScanWatch2 as described Exclusion Criteria: * Patients who do not have a Danish social security number * Patients who cannot read, and speak Danish fluently * Unable to give informed consent.

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Conditions

The condition(s) this trial relates to.

Alcohol Abstinence 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 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 ↗

  2. 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.

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