Bath time hack may slash baby food allergy risk
NCT ID NCT07489040
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether a special package of bathing, skincare, and allergen exposure advice can prevent food allergies in infants at risk. Researchers will compare the package to usual care in 64 newborns. Parents will follow recommendations like delaying the first bath and avoiding harsh soaps and wipes.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- multi-component environmental package (bathing and skincare routine, allergen exposure strategy)
- What this could lead to
- If it works, this could point toward a simple, low-cost way to prevent food allergies in babies at risk.
- What could go wrong
- This is a very small, early feasibility trial (64 infants) focused on adherence, not yet on allergy outcomes. The approach may not actually prevent allergies.
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 64 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Apr 2026
An estimate. Start dates often move.
- Expected to finish
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Dec 2028
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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37 to 42 weeks
- 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: 1. Healthy singleton, neonates born at term (gestational age ≥37 weeks) (e.g. newborn without complications such as severe respiratory conditions, major congenital abnormalities, severe inborn errors of immunity \[e.g. severe combined immunodeficiency\], severe neonatal infections, neurologic impairment, and major gastrointestinal disorders). 2. The newborn has any or at least one of the following risk factors: is an only child (no live siblings); first-degree relatives (parents and/or siblings) with history of food allergy, allergic rhinitis/conjunctivitis, asthma, or atopic dermatitis. 3. Parent(s)/guardian provided informed consent for the child's study participation. Exclusion Criteria: 1. Newborns born to mothers with positive routine prenatal screening for any of the vertically transmitted diseases (e.g. hepatitis B, hepatitis C, active syphilis or genital herpes simplex, Chlamydia trachomatis, gonorrhea and human immunodeficiency virus \[HIV\]) that may prevent adherence to any of the recommendations of the environmental packages. 2. Inability to adhere to the study procedures, e.g. severe maternal conditions (e.g. eclampsia, life-threatening conditions requiring intensive care admission) or neonatal skin conditions that require specific care practices. 3. Ongoing participation in another interventional study (e.g. trials involving skin care with topical creams, medication or interventions related to allergy prevention) that may interfere with the current study. 4. No access to phone, internet, or email (requirements to contact participant/guardian). 5. Planning to move out of the province within 12 months of study enrollment.
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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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McMaster University Medical Centre
Hamilton, Ontario, L8N 3Z5, Canada
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