Breastfeeding may shield caregivers from antibiotic-resistant gut bugs
NCT ID NCT07680972
First seen Jul 02, 2026 · Last updated Jul 02, 2026
Summary
This study looks at whether professional caregivers who work with breastfed infants carry fewer antibiotic-resistance genes in their gut than those caring for formula-fed infants. Researchers will collect stool samples and diet questionnaires from 40 childcare workers. The goal is to understand how infant feeding practices might influence the spread of antibiotic resistance among adults.
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 breastfeeding reduces antibiotic-resistance genes in caregivers, this could point to a simple dietary way to lower the spread of resistance.
- What could go wrong
- This is a small observational study, so it can only show links, not cause and effect. Results may not apply to all caregivers or settings.
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
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About 40 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Aug 2026
An estimate. Start dates often move.
- Expected to finish
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May 2029
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.
Who is studied
Professional infant caregivers who work with infants at least 3 days a week for at least 6 hours per day who meet the inclusion and exclusion criteria of the sample.
- Ages
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18 to 80 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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: * Employment at a childcare facility or home daycare at time of sampling * Participant works and interacts with infants under the age 6 months old, including responsibility for changing diapers * Participant \>18 years old Exclusion Criteria: * Participant has a history or presence of a medical condition including Ulcerative Colitis, Crohn's Disase, Inflammatory Bowel Disease, colon cancer, Celiac's disease, or other GI disordrs * Current priobitic use or probiotic use within the last 4 weeks * Participant is currently pregnant or breastfeeding * Participant has an infant \<12 months old at home for 3 or more days per week * Enrollment in a clinical trial involving an invstigational drug or dvic * Antibiotic use within the past 3 months * Participant working exclusively with infants \>6 months old at time of stool sample collection
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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 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.