Characterization of a Clinical Subpopulation With Autism Spectrum Disorder

Characterization of a Clinical Subpopulation With Autism Spectrum Disorder

The main objective for this research study is to gather additional information to help confirm identification of new subgroups within the autism spectrum.

Inclusion Criteria:

• Participants previously diagnosed with ASD (DSM-5) supported by either autism diagnostic interview revised (ADI-R) or Autism Diagnostic Observation Scale (ADOS-2) scores
• Available health records within the first 2 years of life
• Participants must have a parent or reliable caregiver who agrees to provide information about the participant

Exclusion Criteria:

• Genetically identified ASD (syndromic form of autism, e.g. fragile X)
• Episode of fever (i.e. ≥100.5 °F) or clinically significant illness without fever (as judged by the Investigator), within 10 days before the study visit