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Can a greener lunch change how your body burns energy?

NCT ID NCT07808736

Knowledge-focused Sponsor: University of Parma Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

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
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 09, 2026 · Last updated Sep 10, 2026 · Updated 1 time

Summary

Researchers at the University of Parma are studying how two different lunch meals affect metabolism, feelings of fullness, and hydration in healthy young men. One meal has a healthier nutritional profile and a lower environmental footprint, while the other has a less favorable profile and a higher footprint. Each participant eats both meals on separate visits in random order. The team measures oxygen use, energy expenditure, diet-induced thermogenesis, respiratory quotient, hunger scores, and hydration markers after each meal.

What this could mean

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

Active substance
Two standardized lunch meals: one with a healthier nutritional profile and lower environmental footprint, and one with a less favorable profile and higher footprint
What this could lead to
If the healthier, lower-footprint meal changes metabolism or fullness in a favorable way, it could inform dietary advice that benefits both personal health and the environment.
What could go wrong
This is a small, short-term study in 18 healthy young men, so any differences may be minor, may not apply to women or other age groups, and cannot show long-term health effects.

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

18 people

The number who actually took part.

Started

Nov 2025

Finished

Apr 2026

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

18 to 30 years

Sex

Male participants only

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: * Male participants aged 18 to 30 years. * Students enrolled at the University of Parma. * Residence or domicile in areas surrounding the University of Parma campus. * Stable body weight during the previous 6 months, defined as body weight change within ±5%. * Good general health. * Willingness to comply with study procedures. * Written informed consent provided before participation. Exclusion Criteria: * Female sex. * Age younger than 18 years or older than 30 years. * Smoking. * Food allergies or food intolerances incompatible with the test meals. * Chronic noncommunicable food-related diseases, including metabolic, endocrine, or chronic disorders. * Residence or domicile outside areas adjacent to the University of Parma campus. * Students enrolled at the University of Parma in Gastronomic Sciences or Human Nutrition Sciences.

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As listed by the trial registrant

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

Healthy volunteers Postprandial metabolism

Contacts and locations

Locations

  • University of Parma, Department of Food and Drug

    Parma, Parma, 43125, Italy

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