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Corn's hidden markers: a meal that could tell us who eats whole grains

NCT ID NCT07767162

Knowledge-focused Sponsor: North Carolina Agriculture & Technical State University Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 17, 2026 · Last updated Aug 25, 2026 · Updated 3 times

Summary

This study investigates how the body absorbs and processes compounds from whole-grain corn compared to refined corn. Healthy adults will eat two servings of either type of corn, and blood and urine samples will be analyzed to identify unique biomarkers of whole-grain intake. The goal is to develop objective ways to measure whether people are truly consuming whole grains, which could improve dietary research and health guidance.

What this could mean

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

Active substance
Whole-grain corn and refined corn as dietary supplements
What this could lead to
If successful, this could lead to reliable biomarkers that objectively measure whole-grain intake, helping researchers and clinicians verify dietary habits and study the health benefits of whole grains.
What could go wrong
This is a small, early-stage study in healthy adults, so the identified biomarkers may not apply to everyone or to long-term consumption. The results are exploratory and require further validation.

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 16 people

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

Started

Aug 2026

Expected to finish

Dec 2026

An estimate. End dates often move.

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

25 to 70 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: * Adults aged 25-70 years * Body mass index (BMI) between 18 and 30 kg/m² * Able to read, speak, and understand English * No known allergy or intolerance to the test foods * Normal blood and urine biochemical parameters * No antibiotic use within the past 6 months * Willing and able to comply with all study procedures, including dietary restrictions throughout the study period * No medical conditions or lifestyle factors that, in the opinion of the investigators, would interfere with the study objectives Exclusion Criteria: * Active disease, including gout, heart disease, peripheral vascular disease, kidney disease, liver disease, cancer, diabetes, gastrointestinal disorders, or endocrine disorders that may interfere with the study * Current smoker or use of tobacco products * Unwilling or unable to comply with the required dietary restrictions during the study period

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As listed by the trial registrant

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

Healthy adult females Healthy adult males

How to take part

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  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

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Contacts and locations

Locations

  • Clinical Research Core (CRC)

    RECRUITING

    Kannapolis, North Carolina, 28081, United States

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