Tiny study to test how Ultra-Processed foods affect weight and health

NCT ID NCT07318064

Ongoing Knowledge-focused Sponsor: Pennington Biomedical Research Center Source: ClinicalTrials.gov ↗

First seen Jun 25, 2026 · Last updated Jun 30, 2026 · Updated 4 times

Summary

This pilot study will compare two diets—one high in ultra-processed foods and one typical American diet—in 6 adults with overweight or obesity. Participants will try each diet for two weeks in random order. The goal is not to prove which diet is better, but to see if a larger study is possible and to estimate how many people would be needed for future research.

What this could mean

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

Active substance: dietary intervention (ultra-processed food diet vs. typical American diet)
What this could lead to: If successful, this pilot could provide the necessary data to design a larger trial that may clarify how ultra-processed foods affect health.
What could go wrong: This is a very small pilot study with only 6 participants and a short 2-week diet period, so results may not apply to the general population or show clear health effects.

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Conditions

The condition(s) this trial relates to.

Obesity obesity disorder Overweight Weight Loss

As listed by the trial registrant

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

OBESITY & OVERWEIGHT

Contacts and locations

Locations

Pennington Biomedical Research Center

Baton Rouge, Louisiana, 70810, United States

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