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The role of intestinal flora in the pathogenesis of autism spectrum disorder

The role of intestinal flora in the pathogenesis of autism spectrum disorder

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2000031008
Enrollment
Unknown
Registered
2020-03-21
Start date
2020-04-01
Completion date
Unknown
Last updated
2020-03-23

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Autism spectrum disorder

Interventions

Case series:Nil

Sponsors

Department of colorectal disease, Shanghai Tenth people's Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
3 Years to 10 Years

Inclusion criteria

Inclusion criteria: 1. Criteria for inclusion in ASD group of 500 patients: (1) age 3-10 years old; (2) In America's "medical diagnostic and statistical manual of mental disorders" fifth edition (DSM - ?) standards, childhood autism rating scale(CARS) of 30 or more points (not done the test need to offset); The total score of the autism behavior scale(ABC) is >=67 (those who have not done this test need to be retested); (3) the guardian of the patient signed the informed consent to allow the researcher to collect clinical data and samples of peripheral blood, saliva, urine and feces. 2. Inclusion criteria for 500 healthy controls: (1) aged 3-10 years old; (2) in good health with no clearly diagnosed disease.

Exclusion criteria

Exclusion criteria: 1. Exclusion criteria for 500 cases: (1) definite diagnosis of Rett syndrome(RTT); (2) a clear history of traumatic cerebral palsy encephalitis and other organic diseases of the brain; (3) definitely diagnosed with other mental disorders; (4) patients who used probiotic antibiotics, antacid inhibitors and other drugs affecting intestinal flora within the last 3 months; (5) intestinal organic lesions such as congenital megacolon ileus intussusception;(6) patients with poor compliance 2. Exclusion criteria for 500 healthy control groups: patients who used probiotics, antibiotics, antacid inhibitors and other drugs affecting intestinal flora within the past 3 months

Design outcomes

Primary

MeasureTime frame
Fecal microbiota 16SrRNA sequencing;

Secondary

MeasureTime frame
Amino acids, sugars, organic acids, fatty acids, lipids and other metabolites;

Countries

China

Contacts

Public ContactLi Ning

Department of colorectal disease, Shanghai Tenth people's Hospital

qiyichen2011@163.com+86 15896453859

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026