Gut bacteria cocktail shows promise for autism GI troubles

NCT ID NCT02504554

Completed Disease control Sponsor: Arizona State University Source: ClinicalTrials.gov ↗

First seen Jun 26, 2026 · Last updated Jun 26, 2026

Summary

This study tested a combination therapy—including antibiotics, a bowel cleanse, stomach acid suppressants, and beneficial bacteria from human feces—to treat gastrointestinal problems in 18 children with autism. The goal was to see if the treatment could reduce gut symptoms like pain and bloating. The trial was small and early-stage, so results are preliminary.

What this could mean

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

Active substance: beneficial bacteria (fecal transplant) along with antibiotics, bowel cleanse, and stomach acid suppressant
What this could lead to: If it works, this could point toward a treatment for gastrointestinal problems in children with autism, potentially easing related symptoms.
What could go wrong: This is a very small, early-phase trial with only 18 participants, so results may not apply to everyone. The combination therapy involves multiple steps and may cause discomfort or side effects.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

autism spectrum disorder

As listed by the trial registrant

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

AUTISM SPECTRUM DISORDERS GASTROINTESTINAL PROBLEMS

More trials for these conditions

Other studies related to the condition(s) this trial covers.