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Clinical trialNCT04271774CompletedObservational

Genome Environment Microbiome and Metabolome in Autism Study

SponsorMassachusetts General HospitalEnrollment344Autism Spectrum Disorder
View the registry record on ClinicalTrials.gov

Summary

The registered summary isn't in our current data snapshot. Read it on the ClinicalTrials.gov record ↗. Why? →

Investigators

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

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

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

Ireland
  • National University of Ireland Galway

    Galway, Ireland

Italy
  • the Azienda Sanitaria Locale Salerno

    Salerno, Italy

United States
  • Massachusetts General Hospital for Children

    Boston, Massachusetts, 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
1 Jul 2019
Primary completion
31 Dec 2025
Completion
31 Dec 2025
Last update posted
15 Apr 2026
Registered enrollment
344
Registry id
NCT04271774

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 12 Jul 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.