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Tray labels aim to slash carbon and calories in university cafeteria

NCT ID NCT07531524

Knowledge-focused Sponsor: Lina Zhang 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests whether putting carbon footprint and calorie labels on cafeteria trays can nudge university students toward healthier, low-carbon food choices. About 200 students will be randomly assigned to see the labels or not, and researchers will track what they pick over several weeks. The goal is to see if simple visual cues can make a difference in real-world eating habits.

What this could mean

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

Active substance
Carbon and calorie labels on serving trays
What this could lead to
If it works, this could point toward a simple, low-cost way to encourage healthier and more environmentally friendly eating habits in cafeterias.
What could go wrong
This is a small, early-stage study in one university setting. Results may not apply to other groups or real-world situations, and labels might not change behavior long-term.

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 200 people

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

Expected to start

May 2026

An estimate. Start dates often move.

Expected to finish

Jul 2026

An estimate. End dates often move.

Lead sponsor

A government agency

The lead sponsor is a government body.

Who can take part

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

Ages

18 years and older

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: * Students enrolled at the university * Regularly purchase food in the university cafeteria * Aged ≥18 years Exclusion Criteria: * Individuals aged \<18 years * Individuals who do not regularly purchase food in the university cafeteria * Individuals unable to participate throughout the study period

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Conditions

The condition(s) this trial relates to.

Feeding Behavior

As listed by the trial registrant

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

Dietary behavior Eating behavior

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

  • Zhejiang Chinese Medicine University

    Hangzhou, Zhejiang, 310000, China

More trials for these conditions

Other studies related to the condition(s) this trial covers.