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Nerve block may stop Post-Surgery heart flutter

NCT ID NCT05357690

Prevention Sponsor: Mayo Clinic 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 10, 2026 · Updated 1 time

Summary

This study tests if a nerve block called a stellate ganglion block can lower the chance of developing atrial fibrillation (a fast, irregular heartbeat) after heart surgery. About 220 adults having valve or bypass surgery will receive either the nerve block or a placebo. The goal is to see if the block reduces the number of people who experience this common complication.

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

Phase 2/3

Runs two stages together: whether the treatment works, then large-scale confirmation.

Participants

200 people

The number who actually took part.

Started

Apr 2023

Finished

Jun 2026

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

60 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: * Patient presenting for cardiac surgery at the Mayo Clinic in Rochester, Minnesota. * Patients scheduled to undergo mitral or aortic valve surgery with or without coronary artery bypass grafting. Exclusion Criteria: * Patients with a history of permanent atrial fibrillation, left or right ventricular assist device implantation or explantation. * Patients with procedures not requiring cardiopulmonary bypass. * Patients with procedures requiring deep hypothermic circulatory arrest. * Patients with active infection or sepsis. * Pre-operative immunosuppressive medication use (including steroid use). * Pre-operative anti-arrhythmic medication use (aside from beta-blockers). * Patients with Immunodeficiency syndrome. * Patients with known neurologic disorder. * Patients requiring left internal jugular central line placement. * Performance of Maze procedures or left atrial appendage ligation procedures will not exclude patients from potential enrollment as atrial fibrillation still occurs postoperatively while the scarring from the Maze procedure forms.

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Conditions

The condition(s) this trial relates to.

atrial fibrillation prevention target

As listed by the trial registrant

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

Atrial fibrillation

Contacts and locations

Locations

  • Mayo Clinic in Rochester

    Rochester, Minnesota, 55905, United States

More trials for these conditions

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