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Related Experiment Videos

The PANDAS subgroup: recognition and treatment.

S E Swedo1, M Garvey, L Snider

  • 1Pediatrics and Developmental Neuropsychiatry, the National Institute of Mental Health, Bethesda, MD, USA.

CNS Spectrums
|July 7, 2005
PubMed
Summary
This summary is machine-generated.

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Pediatric Autoimmune Neuropsychiatric Disorders Associated with Streptococcal infections (PANDAS) involve sudden OCD symptom flares after strep infections. Immunomodulatory therapies like IVIG and TPE effectively reduced symptoms in severely ill children.

Area of Science:

  • Pediatric Neurology
  • Immunology
  • Infectious Diseases

Background:

  • A distinct subgroup of childhood-onset obsessive-compulsive disorder (OCD) patients exhibit symptom exacerbations linked to Group A beta-hemolytic streptococcal (GABHS) infections.
  • This subgroup is termed Pediatric Autoimmune Neuropsychiatric Disorders Associated with Streptococcal infections (PANDAS).
  • PANDAS is characterized by specific clinical features including OCD/tic disorders, prepubertal onset, sudden symptom exacerbations, neurological abnormalities, and temporal association with GABHS infections.

Purpose of the Study:

  • To investigate the efficacy of immunomodulatory therapies for PANDAS.
  • To evaluate the potential of therapeutic plasma exchange (TPE) and intravenous immunoglobulin (IVIG) in treating severe neuropsychiatric symptoms in children with OCD and/or tic disorders.

Main Methods:

Related Experiment Videos

  • A placebo-controlled trial was conducted.
  • Severely ill children diagnosed with OCD and/or tic disorders participated.
  • Treatment groups received either IVIG or TPE.

Main Results:

  • Both IVIG and TPE demonstrated significant reductions in neuropsychiatric symptom severity.
  • Reductions ranged from 40% to 55% in the treated groups.
  • The post-streptococcal inflammatory nature of PANDAS symptoms suggests novel treatment avenues.

Conclusions:

  • Immunomodulatory therapies, specifically IVIG and TPE, are effective in reducing symptom severity in children with severe PANDAS.
  • Further research is needed to elucidate the mechanisms of action for these therapies.
  • Additional studies are required to determine the role of antibiotic prophylaxis in preventing symptom exacerbations.