Processed food diet linked to heart risk – small study tests if cutting them helps arteries

NCT ID NCT05628350

Completed Knowledge-focused Sponsor: Virginia Polytechnic Institute and State University Source: ClinicalTrials.gov ↗

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

Summary

This study tested whether reducing ultra-processed foods (UPF) can improve blood vessel function in middle-aged adults, a key factor in heart disease. Seventeen participants ate either a diet with no UPF or one with high UPF for six weeks. Researchers measured changes in artery function and looked at gut health as a possible mechanism. This is a small, early-stage trial to gather initial evidence for a larger study.

What this could mean

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

Active substance: controlled diet without ultra-processed foods
What this could lead to: If it works, this could point toward a dietary approach to improve vascular health in middle-aged adults.
What could go wrong: This is a very small, early proof-of-concept study with only 17 participants. Results may not apply to the general population, and the diet is highly controlled, making real-world adoption challenging.

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.

cardiovascular disorder

As listed by the trial registrant

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

CARDIOVASCULAR DISEASES

Contacts and locations

Locations

Virginia Polytechnic and State University

Blacksburg, Virginia, 24061, United States

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