NCT04655326Completed
Probiotic Therapy for Children and Adults With Autism Spectrum Disorder
Assessment of Customized Probiotic Therapy for Children and Adults With Autism Spectrum Disorder
Source: ClinicalTrials.gov · Last updated 9 Apr 2026
Brief summary (registry, in English)
This is a study of the effect of a customized probiotic on children and adults with autism, including effects on autism symptoms and gastrointestinal symptoms.
- Status (registry)
- Completed
- Study type
- Interventional
- Enrollment
- 296 (actual)
- First submitted
- 30 Nov 2020
- Start date
- 15 Oct 2020
- Primary completion date
- 15 May 2025
- Lead sponsor
- Arizona State University
- Diseases
- Autism
- NCT number
- NCT04655326
What you commit to
- Study type: Interventional
- Participants enrolled: 296
- From 15 Oct 2020 to the primary completion date, 15 May 2025
- 1 site in 1 country
- Visits and tests: ask the trial team, the registry does not list them
Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.
Who cannot take part
Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.
Prior treatment
- Any changes in medications, nutritional supplements, therapies, in the last two months, or any plans to change them during the first 3 months of probiotic treatment.
Other
- Antibiotic use in the last two months (not counting topical antibiotics)
Who the study is looking for
- New client of Sun Genomics (has applied for testing and treatment, but not yet begun treatment)
- Diagnosis of ASD (initially based on self-report of ASD diagnosis by appropriate medical professional, and then verified by an evaluation of the Social Responsiveness Scale (SRS-2) by ASU staff.
- Children and adults ages 2.5-75 years
Age in the registry: 30 months to 75 years · Sex: All · Does not accept healthy volunteers
Sites (1)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| Arizona State University Coordinator of this site? Confirm its status | Tempe | United States | Unknown status |
This page is information, not medical advice. Discuss any trial with your doctor.