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Cornmeal protein study seeks to unlock better nutrition for aging populations

NCT ID NCT07272668

Knowledge-focused Sponsor: The Hospital for Sick Children Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looks at how well healthy adults over 60 absorb tryptophan, an essential amino acid, from cornmeal. Corn is a major food source worldwide, but its protein quality is limited. By measuring breath samples after controlled meals, researchers aim to improve protein recommendations for older adults.

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.

Expected to start

Nov 2025

An estimate. Start dates often move.

Expected to finish

May 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

60 to 90 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: * Aged 60 to 90 years old. * In good general health as evidenced by medical history, physical health and blood draw. * Fasting blood glucose, hemoglobin A1c (HbA1c), urea, creatinine. * Willingness to participate in the study. * BMI \<30 kg/m2. Exclusion Criteria: * Presence of chronic disease and/or acute illness known to affect protein/amino acid metabolism (e.g. HIV, diabetes, taking medications known to affect protein/AA metabolism (e.g. steroids). * Inability to tolerate the diet (i.e. allergy). * Significant weight loss during the past month or consumption of weight reducing diets. * Significant caffeine consumption (\>2 cups per day). * Significant consumption of alcohol (\>1 drink per day i.e. 1 beer or ½ glass of wine). * Unwilling to have blood drawn from a venous access or using a ventilated hood indirect calorimeter for the purposes of the study.

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As listed by the trial registrant

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

Protein absorption and amino acid availability

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

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    Open the record ↗

  3. A doctor treating you

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Contacts and locations

Locations

  • The Hospital for Sick Children

    Toronto, Ontario, M5G 1X8, Canada

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