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Related Experiment Videos

Pimozide in autistic children.

M Ernst1, H J Magee, N M Gonzalez

  • 1Department of Psychiatry, New York University School of Medicine, NY.

Psychopharmacology Bulletin
|January 1, 1992
PubMed
Summary

Pimozide treatment showed promising results in reducing behavioral symptoms in hospitalized autistic children over three weeks. Further research is recommended due to minimal side effects and positive symptom changes.

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Area of Science:

  • Child and Adolescent Psychiatry
  • Neurodevelopmental Disorders
  • Pharmacological Interventions

Background:

  • Autism Spectrum Disorder (ASD) presents complex behavioral challenges in children, including withdrawal, stereotypies, and aggression.
  • Hospitalized autistic children often exhibit severe symptoms requiring effective therapeutic interventions.
  • Limited pharmacological options exist for managing severe behavioral disturbances in this population.

Purpose of the Study:

  • To evaluate the efficacy and safety of pimozide in treating behavioral symptoms in hospitalized autistic children.
  • To assess the impact of pimozide on specific symptoms such as withdrawal, stereotypies, hyperactivity, and aggression.
  • To determine the optimal dosage range and potential side effects of pimozide in this pediatric population.

Main Methods:

Related Experiment Videos

  • An open pilot study involving eight male participants aged 4.2 to 8.3 years with autism and moderate to profound intellectual disability.
  • Administration of pimozide at daily doses ranging from 3.0 mg to 6.0 mg over a 3-week period.
  • Assessment of behavioral symptoms using standardized scales (Children's Psychiatric Rating Scale, Clinical Global Impressions, Global Clinical Judgments Scale) and monitoring of laboratory tests and electrocardiograms.

Main Results:

  • Significant decreases in overall behavioral symptoms were observed across all assessment measures.
  • Four out of five hypoactive children demonstrated a reduction in hypoactivity.
  • Pimozide was generally well-tolerated, with minimal and transient adverse effects. Laboratory tests and ECGs remained within normal limits.

Conclusions:

  • Pimozide demonstrates potential as a safe and effective treatment for severe behavioral symptoms in hospitalized autistic children.
  • The observed improvements in behavioral symptoms and hypoactivity warrant further investigation in larger, controlled trials.
  • Pimozide offers a promising therapeutic avenue for managing challenging behaviors associated with autism spectrum disorder in pediatric inpatients.