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Scientists hunt for heart rhythm genes in 1,300 patients

NCT ID NCT00599118

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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Sep 15, 2026 · Updated 2 times

Summary

This study aims to uncover the genetic roots of atrial fibrillation, a common heart rhythm disorder. Researchers are collecting blood samples and health data from 1,300 adults—some with the condition and some without—to compare their DNA. The goal is to identify genetic variants that may increase the risk of developing atrial fibrillation.

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 could help identify genes that increase the risk of atrial fibrillation, pointing toward better prevention or treatment strategies in the future.
What could go wrong
This is an observational study that does not test any treatment. It may not find clear genetic links, and any potential benefits are far off.

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 1,300 people

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

Started

Aug 2005

Expected to finish

Dec 2035

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

Subjects with atrial fibrillation

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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 for Atrial Fibrillation group: * Male or female at least 18 years old * Subjects with a history of or current Atrial Fibrillation * Subjects able to give informed consent Exclusion Criteria for Atrial Fibrillation group: no history of atrial fibrillation Inclusion Criteria for Controls: * Male or female at least 18 years old * Subjects with no history of Atrial Fibrillation * Subjects able to give informed consent Exclusion Criteria for controls: History of atrial fibrillation

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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

Contacts and locations

Locations

  • Cleveland Clinical Foundation

    Cleveland, Ohio, 44145, United States

More trials for these conditions

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