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Healthy but processed? study tests if food processing tricks your appetite

NCT ID NCT07525050

Knowledge-focused Sponsor: USDA Grand Forks Human Nutrition Research Center Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026

Summary

This study compares how a healthy breakfast made mostly from ultra-processed foods affects hunger and fullness versus a similar breakfast with less-processed foods. Forty healthy adults will eat both meals on separate mornings and rate their appetite. The goal is to understand if food processing alone changes eating behaviors, even when the meals are equally healthy.

What this could mean

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

Active substance
meal (ultra-processed vs less-processed)
What this could lead to
If it works, this could help people understand how food processing affects hunger and fullness, guiding healthier eating habits.
What could go wrong
This is a small, early-stage study in healthy adults, so results may not apply to everyone. It only looks at short-term effects after one meal.

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

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 40 people

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

Started

Jun 2026

Expected to finish

Dec 2027

An estimate. End dates often move.

Lead sponsor

A government agency

The lead sponsor is a US federal agency other than the NIH.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 50 years

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: * do not have restrictive eating practices * regularly consume breakfast * able to understand and sign the consent form * have own transportation to the research center * not allergic to study foods or unwilling to eat them * willing to comply with study demands * able to read and understand English * available to attend two in-person visits on a weekday and/or Saturday morning from 7:15 a.m. to 12:15 p.m. Exclusion Criteria: * taking statins, medication to lower blood pressure, anti-inflammatory, anti-diabetes, or weight-loss medications * pregnant, lactating, or planning to become pregnant * diagnosed with an eating disorder, hypothyroidism, or cancer * allergy to study foods or express unwillingness to consume them * have gained or lost more than 10 pounds in the last 3 months * regular participants in vigorous endurance or resistance exercise (e.g., marathons, endurance bike races, triathlons, CrossFit, powerlifting)

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As listed by the trial registrant

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

Healthy individuals

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • USDA ARS Grand Forks Human Nutrition Research Center

    RECRUITING

    Grand Forks, North Dakota, 58203, United States

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