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Vigabatrin for Epileptic Spasms and Tonic Seizures in Tuberous Sclerosis Complex

Emma A van der Poest Clement1, Mustafa Sahin2, Jurriaan M Peters1

  • 11 Division of Epilepsy and Clinical Neurophysiology, Department of Neurology, Boston Children's Hospital and Harvard Medical, School, Boston, MA, USA.

Journal of Child Neurology
|April 25, 2018
PubMed

Insights

Vigabatrin effectively treats various seizures in children with tuberous sclerosis complex (TSC) beyond infantile spasms. This study shows significant seizure reduction and freedom in most patients, with manageable side effects.

Area of Science:

  • Neurology
  • Pediatric Epilepsy
  • Tuberous Sclerosis Complex Research

Background:

  • Vigabatrin is a primary treatment for infantile spasms in tuberous sclerosis complex (TSC).
  • Limited data exists on vigabatrin's efficacy for other seizure types in older children with TSC.
  • Understanding alternative indications is crucial for comprehensive TSC management.

Purpose of the Study:

  • To evaluate vigabatrin's effectiveness and safety in children over one year old with TSC experiencing various seizure types.
  • To assess seizure reduction, seizure freedom, and treatment tolerability.
  • To explore the potential of vigabatrin beyond its established role in infantile spasms.

Main Methods:

  • Retrospective review of 201 children diagnosed with TSC.
  • Analysis of data from 21 children over one year old who received vigabatrin for seizure management.
  • Inclusion of seizure types, age at treatment onset, seizure outcomes, and adverse events.

Main Results:

  • Vigabatrin was prescribed for epileptic spasms, tonic seizures, and status epilepticus.
  • A significant majority of patients (20/21) experienced seizure reduction.
  • Ten patients achieved complete seizure freedom, and four showed over 90% improvement.
  • Successful tapering of vigabatrin was achieved in 9 patients.
  • Reported side effects included rash and behavioral decline; no retinal toxicity was observed in monitored patients.

Conclusions:

  • Vigabatrin demonstrates efficacy in treating epileptic spasms and tonic seizures in children with TSC beyond infancy.
  • The drug appears well-tolerated in this age group, with a low incidence of significant side effects.
  • Further research may support expanded use of vigabatrin for specific seizure types in older children with TSC.

Keywords:
antiepileptic drugschildrenepilepsyinfantile spasmstuberous sclerosis complex

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