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Massive new registry aims to improve stroke prevention in AFib patients

NCT ID NCT02699957

Knowledge-focused Sponsor: American College of Cardiology Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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 Results may not be published yet.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
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This status has not been confirmed recently, so it may be out of date.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 registry is collecting data from 3,000 adults with atrial fibrillation who undergo a procedure to close off a part of the heart called the left atrial appendage. The goal is to track how well the procedure works to prevent strokes and to identify any complications. Hospitals submit patient information quarterly to help improve care and safety.

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 registry could provide real-world data to improve guidelines and outcomes for stroke prevention in atrial fibrillation patients.
What could go wrong
As an observational registry, it does not test a new treatment, so it cannot prove cause and effect. Results may be limited by data quality and hospital participation.

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

About 3,000 people

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

Start date

Dec 2015

Expected to finish

Jan 2029

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.

Who is studied

All facilities performing percutaneous or epicardial left atrial appendage occlusion procedures.

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: * Adult patients, 18 years and older, undergoing percutaneous or epicardial left atrial appendage occlusion procedures Exclusion Criteria: * None

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Conditions

The condition(s) this trial relates to.

atrial fibrillation stroke disorder prevention target

As listed by the trial registrant

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

Atrial fibrillation

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

  • American College of Cardiology/National Cardiovascular Data Registry (NCDR)

    RECRUITING

    Washington D.C., District of Columbia, 20037, United States

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