Clinical trialNCT04182633Active, not recruitingPhase 2Interventional

MTT for Children With ASD Who Have Gastrointestinal Disorders

SponsorArizona State UniversityEnrollment50Autism Spectrum DisorderConstipationDiarrheaGastro-Intestinal Disorder

View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

The investigators propose to investigate Microbiota Transfer Therapy (MTT) for treating children with Autism Spectrum Disorder (ASD) and gastrointestinal problems (primarily constipation and/or diarrhea). MTT involves a combination of 10 days of oral vancomycin (an antibiotic to kill pathogenic bacteria), followed by a bowel cleanse, followed by 12 weeks of Fecal Microbiota (FM).

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Investigators

The overall officials registered on this study. Names that resolve to a FindMyKOL profile link to it; the rest are shown as registered.

James B Adams, PhD
Arizona State University
Principal Investigator
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A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

1 registered facility, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States

Arizona State University
Tempe, Arizona, United States

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

No drug or biological interventions are in our data for this study. It may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start: 15 Nov 2019
Primary completion: 28 Feb 2025
Completion: 30 Dec 2025
Last update posted: 25 Apr 2025
Registered enrollment: 50
Registry id: NCT04182633

clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 24 Aug 2026. Registry facts are shown as registered by the study sponsor; FindMyKOL does not interpret them.