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Water bottles in schools may fight tooth decay and weight gain

NCT ID NCT06714929

What the study statuses mean

This study's is highlighted.

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 2 times

Summary

This study will give thousands of elementary school students refillable water bottles and install hydration stations in their schools, along with lessons about healthy hydration. Researchers will track whether this simple change reduces tooth decay and helps maintain healthy body weight over three years. The goal is to see if improving access to water in schools can make a real difference in children's health.

What this could mean

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

Active substance
refillable water bottles and hydration stations with education and outreach
What this could lead to
If it works, this could point toward a simple, low-cost way to reduce cavities and prevent obesity in schoolchildren by improving water access.
What could go wrong
This is a behavioral study, not a drug trial, so results depend on how well schools and students follow the program. It may not show clear health benefits, and changes in diet or other factors could affect outcomes.

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 7,200 people

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

Started

Aug 2024

Expected to finish

May 2028

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

4 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: * Lunchroom observations: All students (K-5th \[Pre-Kindergarten if applicable\]) who eat lunch in the cafeteria on assessment days are eligible * BMI and dental caries assessments: 1) student enrolls in study while in 3rd grade (followed through 5th g) * Student surveys: Students in 4th-5th grade are eligible to complete surveys assessing beverage intake and perceptions of hydration practices within their school district. * Staff surveys: All staff in the target schools will be eligible to complete the Personnel Survey. Exclusion Criteria: * Lunchroom observations: None. * BMI and dental caries assessments: Students are ineligible if they are unable to complete assessments due to developmental or physical reasons, 2) planning to move in the study duration * Student surveys: None. * Staff surveys: None.

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Conditions

The condition(s) this trial relates to.

dental caries Obesity Overweight

As listed by the trial registrant

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

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

  • Children's Hospital of Richmond at VCU Healthy Lifestyles Center

    RECRUITING

    Henrico, Virginia, 23229, United States

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