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Probiotic may rewrite allergy genes in children

NCT ID NCT02062476

Disease control Sponsor: Federico II University Source: ClinicalTrials.gov ↗

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
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Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Sep 02, 2026 · Last updated Sep 03, 2026 · Updated 1 time

Summary

Researchers are testing whether Lactobacillus GG, a probiotic, can help children with cow's milk allergy develop tolerance to milk. The study involves 20 children aged 4 months to 4 years. The goal is to see if the probiotic changes how genes related to the immune system are turned on or off, which might explain its effects. This could lead to new ways to manage or prevent allergies.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Lactobacillus GG, a probiotic supplement
What this could lead to
If it works, this could point toward a way to help children with cow's milk allergy develop tolerance faster, possibly reducing the risk of other allergic conditions.
What could go wrong
This is a small, early study with only 20 children, so the results may not apply broadly. The probiotic's effect on gene activity is uncertain, and not all children may respond.

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

20 people

The number who actually took part.

Start date

Jul 2013

Finished

Aug 2016

Lead sponsor

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

4 to 48 months

Sex

Anyone

Healthy volunteers

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

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Children aged 4 months-4 years with cow's milk allergy Exclusion Criteria: * age higher than 4 years, * concomitant chronic systemic diseases, * congenital cardiac defects, * active tuberculosis, * autoimmune diseases, * immunodeficiency, * chronic inflammatory bowel diseases, * celiac disease, * cystic fibrosis, * metabolic diseases, * malignancy, * chronic pulmonary diseases, * malformations of the gastrointestinal tract, * suspected eosinophilic esophagitis or eosinophilic enterocolitis, * suspected food-protein-induced enterocolitis syndrome, * suspected cow's milk protein-induced anaphylaxis.

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Conditions

The condition(s) this trial relates to.

Heiner syndrome Milk Hypersensitivity

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Cow's milk allergy

Contacts and locations

Locations

  • University of Naples Federico II

    Naples, 80131, Italy

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