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What should toddlers eat? major study aims to solve portion size puzzle

NCT ID NCT07698158

Knowledge-focused Sponsor: University of Leeds 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 13, 2026 · Last updated Jul 14, 2026 · Updated 1 time

Summary

This study looks at how eating habits, including portion sizes and plant-based diets, influence growth and dental health in children aged 6 months to 5 years. Researchers will track what children eat and measure their growth and teeth over one year. The goal is to create clear, age-based food guidelines for parents and health experts.

What this could mean

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

What this could lead to
If successful, this could provide clear, evidence-based guidelines for parents and policymakers on age-appropriate portion sizes and healthy eating for young children.
What could go wrong
This is an observational study, so it cannot prove cause and effect. Results may not apply to children outside the UK or those with different diets.

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.

Participants

About 1,890 people

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

Started

Jan 2026

Expected to finish

Oct 2027

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.

Who is studied

Children aged between 6 months and 5 years living in Leeds, Doncaster and East London.

Ages

6 months to 4 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: * Children aged 6 months-4 years along with their parents or guardians who reside in or near one of the three study locations and planned fieldwork sites: Leeds, Doncaster, or East London. For East London, eligibility includes individuals living in or near Tower Hamlets or an adjacent borough * All participants are eligible regardless of background, language, educational ability, or literacy level. Exclusion Criteria: * Plan to move outside of the study area within the next 12 months * Children not living with the consenting parent/guardian for any part of the week or not living with the consenting parent/guardian at the time of data collection (e.g. in care, hospital, or living wholly with another family member). * Children with significant oral feeding difficulties (e.g. tube-feeding or developmental delays) * Children that have been diagnosed with a long-term condition that affects their growth or development (e.g. hormonal or genetic conditions) * Children from subgroups where quotas have been filled will be excluded to maintain balanced representation across all study groups (e.g., age 3, non-deprived locations).

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As listed by the trial registrant

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

Child growth and development Dental health Dietary behaviors Dietary intakes

How to take part

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

  1. The places running it

    6 sites. 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

  • Barts Health NHS Trust

    RECRUITING

    London, West Yorkshire, LS6 2EF, United Kingdom

  • Community settings across Doncaster

    RECRUITING

    Doncaster, West Yorkshire, United Kingdom

  • Community settings across East London

    RECRUITING

    London, West Yorkshire, LS6 2EF, United Kingdom

  • Community settings across Leeds

    RECRUITING

    Leeds, West Yorkshire, United Kingdom

  • Doncaster and Bassetlaw Teaching Hospitals NHS Foundation Trust

    RECRUITING

    Doncaster, West Yorkshire, LS6 2EF, United Kingdom

  • Leeds Teaching Hospitals NHS Trust

    RECRUITING

    Leeds, West Yorkshire, LS6 2EF, United Kingdom

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