The autism inpatient collection

Methods and preliminary sample description

Matthew Siegel, Kahsi A. Smith, Carla Mazefsky, Robin L. Gabriels, Craig Erickson, Desmond Kaplan, Eric M. Morrow, Logan Wink, Susan L. Santangelo

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Background: Individuals severely affected by autism spectrum disorder (ASD), including those with intellectual disability, expressive language impairment, and/or self-injurious behavior (SIB), are underrepresented in the ASD literature and extant collections of phenotypic and biological data. An understanding of ASD's etiology and subtypes can only be as complete as the studied samples are representative. Methods: The Autism Inpatient Collection (AIC) is a multi-site study enrolling children and adolescents with ASD aged 4-20 years admitted to six specialized inpatient psychiatry units. Enrollment began March, 2014, and continues at a rate of over 400 children annually. Measures characterizing adaptive and cognitive functioning, communication, externalizing behaviors, emotion regulation, psychiatric co-morbidity, self-injurious behavior, parent stress, and parent self-efficacy are collected. ASD diagnosis is confirmed by the Autism Diagnostic Observation Schedule - 2 (ADOS-2) and extensive inpatient observation. Biological samples from probands and their biological parents are banked and processed for DNA extraction and creation of lymphoblastoid cell lines. Results: Sixty-one percent of eligible subjects were enrolled. The first 147 subjects were an average of 12.6 years old (SD 3.42, range 4-20); 26.5 % female; 74.8 % Caucasian, and 81.6 % non-Hispanic/non-Latino. Mean non-verbal intelligence quotient IQ = 70.9 (SD 29.16, range 30-137) and mean adaptive behavior composite score = 55.6 (SD 12.9, range 27-96). A majority of subjects (52.4 %) were non- or minimally verbal. The average Aberrant Behavior Checklist - Irritability Subscale score was 28.6, well above the typical threshold for clinically concerning externalizing behaviors, and 26.5 % of the sample engaged in SIB. Females had more frequent and severe SIB than males. Conclusions: Preliminary data indicate that the AIC has a rich representation of the portion of the autism spectrum that is understudied and underrepresented in extant data collections. More than half of the sample is non- or minimally verbal, over 40 % have intellectual disability, and over one quarter exhibit SIB. The AIC is a substantial new resource for study of the full autism spectrum, which will augment existing data on higher-functioning cohorts and facilitate the identification of genetic subtypes and novel treatment targets. The AIC investigators welcome collaborations with other investigators, and access to the AIC phenotypic data and biosamples may be requested through the Simons Foundation (www.sfari.org).

Original languageEnglish (US)
Article number61
JournalMolecular Autism
Volume6
Issue number1
DOIs
StatePublished - Nov 10 2015
Externally publishedYes

Fingerprint

Autistic Disorder
Inpatients
Self-Injurious Behavior
Intellectual Disability
Psychiatry
Research Personnel
Observation
Psychological Adaptation
Self Efficacy
Checklist
Intelligence
Appointments and Schedules
Emotions
Language
Parents
Communication
Morbidity
Cell Line
Autism Spectrum Disorder
DNA

Keywords

  • Autism spectrum disorder
  • Genetics
  • Inpatient
  • Intellectual disability
  • New data resource
  • Non-verbal
  • Psychiatric
  • Self-injury
  • Severe autism

ASJC Scopus subject areas

  • Psychiatry and Mental health
  • Developmental Neuroscience
  • Developmental Biology
  • Molecular Biology

Cite this

Siegel, M., Smith, K. A., Mazefsky, C., Gabriels, R. L., Erickson, C., Kaplan, D., ... Santangelo, S. L. (2015). The autism inpatient collection: Methods and preliminary sample description. Molecular Autism, 6(1), [61]. https://doi.org/10.1186/s13229-015-0054-8

The autism inpatient collection : Methods and preliminary sample description. / Siegel, Matthew; Smith, Kahsi A.; Mazefsky, Carla; Gabriels, Robin L.; Erickson, Craig; Kaplan, Desmond; Morrow, Eric M.; Wink, Logan; Santangelo, Susan L.

In: Molecular Autism, Vol. 6, No. 1, 61, 10.11.2015.

Research output: Contribution to journalArticle

Siegel, M, Smith, KA, Mazefsky, C, Gabriels, RL, Erickson, C, Kaplan, D, Morrow, EM, Wink, L & Santangelo, SL 2015, 'The autism inpatient collection: Methods and preliminary sample description', Molecular Autism, vol. 6, no. 1, 61. https://doi.org/10.1186/s13229-015-0054-8
Siegel M, Smith KA, Mazefsky C, Gabriels RL, Erickson C, Kaplan D et al. The autism inpatient collection: Methods and preliminary sample description. Molecular Autism. 2015 Nov 10;6(1). 61. https://doi.org/10.1186/s13229-015-0054-8
Siegel, Matthew ; Smith, Kahsi A. ; Mazefsky, Carla ; Gabriels, Robin L. ; Erickson, Craig ; Kaplan, Desmond ; Morrow, Eric M. ; Wink, Logan ; Santangelo, Susan L. / The autism inpatient collection : Methods and preliminary sample description. In: Molecular Autism. 2015 ; Vol. 6, No. 1.
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abstract = "Background: Individuals severely affected by autism spectrum disorder (ASD), including those with intellectual disability, expressive language impairment, and/or self-injurious behavior (SIB), are underrepresented in the ASD literature and extant collections of phenotypic and biological data. An understanding of ASD's etiology and subtypes can only be as complete as the studied samples are representative. Methods: The Autism Inpatient Collection (AIC) is a multi-site study enrolling children and adolescents with ASD aged 4-20 years admitted to six specialized inpatient psychiatry units. Enrollment began March, 2014, and continues at a rate of over 400 children annually. Measures characterizing adaptive and cognitive functioning, communication, externalizing behaviors, emotion regulation, psychiatric co-morbidity, self-injurious behavior, parent stress, and parent self-efficacy are collected. ASD diagnosis is confirmed by the Autism Diagnostic Observation Schedule - 2 (ADOS-2) and extensive inpatient observation. Biological samples from probands and their biological parents are banked and processed for DNA extraction and creation of lymphoblastoid cell lines. Results: Sixty-one percent of eligible subjects were enrolled. The first 147 subjects were an average of 12.6 years old (SD 3.42, range 4-20); 26.5 {\%} female; 74.8 {\%} Caucasian, and 81.6 {\%} non-Hispanic/non-Latino. Mean non-verbal intelligence quotient IQ = 70.9 (SD 29.16, range 30-137) and mean adaptive behavior composite score = 55.6 (SD 12.9, range 27-96). A majority of subjects (52.4 {\%}) were non- or minimally verbal. The average Aberrant Behavior Checklist - Irritability Subscale score was 28.6, well above the typical threshold for clinically concerning externalizing behaviors, and 26.5 {\%} of the sample engaged in SIB. Females had more frequent and severe SIB than males. Conclusions: Preliminary data indicate that the AIC has a rich representation of the portion of the autism spectrum that is understudied and underrepresented in extant data collections. More than half of the sample is non- or minimally verbal, over 40 {\%} have intellectual disability, and over one quarter exhibit SIB. The AIC is a substantial new resource for study of the full autism spectrum, which will augment existing data on higher-functioning cohorts and facilitate the identification of genetic subtypes and novel treatment targets. The AIC investigators welcome collaborations with other investigators, and access to the AIC phenotypic data and biosamples may be requested through the Simons Foundation (www.sfari.org).",
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KW - New data resource

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