Clinical Trial

The Neurodevelopmental and Behavioral Phenotyping Screening Protocol

Recruiting
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Summary
The purpose of this protocol is to allow for the careful evaluation of healthy volunteers and individuals with risk for psychiatric disorders or neurodevelopmental disorders, such as autism spectrum disorder for specific protocols at NIH.
Protocol Amendment History 379 amendments
This ClinicalTrials.gov record has been amended 379 times since 2005-12-31; most recent amendment 2026-06-24.
Trial Details
NCT Number NCT00271622
Lead Sponsor National Institute of Mental Health (NIMH)
Conditions Neurologic Disorders, Autism, Neurodegenerative Disease, Neurobehavioral Manifestation
Enrollment 5,000 participants
Start Date 2006-02-27
Updated on ClinicalTrials.gov 2026-06-25