UV water treatment tested to keep kids healthy
NCT ID NCT04258059
First seen Jun 26, 2026 · Last updated Jun 26, 2026
Summary
This study tested whether treating private well water with ultraviolet (UV) light can prevent stomach and respiratory infections in children under 5. Researchers gave 28 Pennsylvania households either a real UV device or a fake one and tracked illness symptoms via weekly texts. The goal is to see if UV treatment reduces the burden of waterborne illness in vulnerable kids.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- UV water treatment device
- What this could lead to
- If effective, this could show that treating well water with UV light reduces illness in young children, pointing toward a simple prevention method.
- What could go wrong
- This is a small, early-stage trial with only 28 households, so results may not apply broadly. The device may not significantly reduce illness, and the study relies on self-reported symptoms.
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
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28 people
The number who actually took part.
- Started
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Jun 2020
- Finished
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May 2022
- 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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6 to 59 months
- 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: * Child resides in Berks, Bucks, Chester, Lancaster, Lehigh, or Montgomery County in Pennsylvania * Household is served by a private well * Participant child is under the age of 5 (under 4 at time of enrollment), who is a full-time resident of the home and drinks untreated well water (75% or more of water consumption must be from untreated well water) * Parent/guardian has access to a phone with texting capabilities Exclusion Criteria: * Child participant is immunocompromised * Child participant has a chronic gastrointestinal condition * Child takes daily oral steroids * Household treats water before consumption (with the exception of water softeners)
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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.
Contacts and locations
Locations
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Temple University
Philadelphia, Pennsylvania, 19122, United States
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