Poop test tells you what you ate – and may change your diet
NCT ID NCT06266689
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study explores whether showing people detailed diet information from their stool samples can encourage healthier eating. About 600 infants, children, and adults will provide stool samples, get their diet data, and then provide another sample to see if their eating habits improved. The goal is to see if this feedback also affects gut bacteria and overall health.
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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 600 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Feb 2024
- Expected to finish
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Dec 2026
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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Up to 12 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: * Participant's parent/legal guardian is over age 18 and able to understand English * Plans to remain in the area for the next two years * Primary caregiver for infant less than 12 months old * Able to collect and ship the requested infant stool samples Exclusion Criteria: There will be no specific exclusions for this study. However, the following biospecimens will not be collected for research purposes from individuals who have a condition that, in the opinion of the site investigators and/or providers, would place the subject at unacceptable risk of injury or confound data interpretation; including but not limited to: * Health conditions that impact the infant feeding in a way that may confound interpretation of study results.
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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
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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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Duke University
RECRUITINGDurham, North Carolina, 27705, United States
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