Tart cherry juice tested to stop Post-Surgery heart flutter

NCT ID NCT03793465

Ongoing Disease control Sponsor: University of Michigan Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This pilot study tests whether drinking tart cherry concentrate for three days before heart valve surgery can reduce the risk of post-operative atrial fibrillation (an irregular heartbeat). The study involves 50 adults aged 50-79 who are in normal heart rhythm before surgery. Researchers will also measure inflammation-related gene activity in heart tissue to understand how the supplement might work.

What this could mean

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

Active substance: tart cherry concentrate
What this could lead to: If it works, this could point toward a simple dietary supplement to help prevent heart rhythm problems after cardiac surgery.
What could go wrong: This is a very small early-phase pilot study, so results may not be conclusive. The supplement may cause digestive discomfort and might not reduce atrial fibrillation at all.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

mitral valve disorder atrial fibrillation prevention target

As listed by the trial registrant

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

POST-OPERATIVE ATRIAL FIBRILLATION POAF

Contacts and locations

Locations

University of Michigan

Ann Arbor, Michigan, 48109, United States

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