Water filters and lessons aim to protect Kids' teeth from too much fluoride
NCT ID NCT07359937
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests a program for children in Colombia that combines water filters with educational sessions for parents and kids to reduce high fluoride exposure. About 90 children from kindergartens will take part, with half getting the full program and the other half receiving standard education. Researchers will measure fluoride levels in urine and water over a year to see if the approach works.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- reverse osmosis water filter and educational sessions
- What this could lead to
- If successful, this could provide a practical, community-based program to reduce children's fluoride exposure and prevent dental fluorosis.
- What could go wrong
- This is a small, early-stage trial with only 90 children in one region, so results may not apply broadly. The intervention relies on families sticking with the program, which can be challenging.
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
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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
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About 90 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Aug 2025
- Expected to finish
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Jun 2027
An estimate. End dates often move.
- Lead sponsor
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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
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2 to 5 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide 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: * Kindergartens located in municipalities with exposure to fluoride concentrations in water. * Have a school feeding program. * The child must be enrolled. * They must be registered in the school feeding program. * The primary caregiver must be able to read. * The caregiver must agree to participate voluntarily and sign the informed consent form. * The caregiver must commit to attending all components of the intervention (education and collection of the child's urine sample). Exclusion Criteria: * Parents or children with conditions or situations that may interfere with the assimilation of the components of the strategy. * Children who wear diapers will be excluded from the study.
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Conditions
The condition(s) this trial relates to.
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.
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The places running it
1 site. The list below names each one and where it is.
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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.
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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
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Centro de desarrollo infantil - Sonrisitas de oro
Palermo, Colombia
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