Can a probiotic ease tummy troubles in kids with autism?
NCT ID NCT07345585
First seen Jun 27, 2026 · Last updated Sep 01, 2026 · Updated 6 times
Summary
This study tests whether a common probiotic (Lactobacillus rhamnosus GG) can reduce stomach issues like constipation and diarrhea in children with autism spectrum disorder. About 50 children aged 4 to 12 with both autism and ongoing stomach problems will receive the probiotic or a placebo. The goal is to see if the probiotic improves gut symptoms and quality of life.
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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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50 people
The number who actually took part.
- Started
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Jan 2023
- Finished
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Apr 2026
- 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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4 to 12 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.
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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 4-12 years * children of both sex * children with a sure diagnosis of ASD and presence of FGIDs with a GSI ≥7 from at least 3 months. Exclusion Criteria: * children aged \<4 or \>12 years * uncertain ASD and/or FGIDs diagnosis * FGIDs duration lasting \<3 months * concomitant presence of other chronic conditions (adverse food reactions; genetic and metabolic disorders; malformations of GI, respiratory or urinary tract; neurologic diseases; immunodeficiencies; diabetes; cardiovascular diseases; autoimmune diseases; chronic infections; chronic respiratory, GI or urinary tract diseases; obesity; tumors; malnutrition). * use of antibiotics and/or pre-/pro-/ synbiotics during the 6 months prior to enrolment * participation into other clinical trials during the last 12 months.
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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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Department of Traslational Medical Science - University of Naples Federico II
Naples, Naples, 80131, Italy
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Other studies related to the condition(s) this trial covers.
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