Adaptive phase I study of OROS methylphenidate treatment of attention deficit hyperactivity disorder with epilepsy

Joseph Gonzalez-Heydrich, Jane Whitney, Deborah Waber, Peter Forbes, Olivia Hsin, Stephen V. Faraone, Alice Dodds, Sneha Rao, Christine Mrakotsky, Carlene MacMillan, David R. DeMaso, Carl de Moor, Alcy Torres, Blaise Bourgeois, Joseph Biederman

Research output: Contribution to journalArticlepeer-review

64 Scopus citations

Abstract

Objective: The goal of this study was to pilot a randomized controlled trial of OROS methylphenidate (OROS-MPH) to treat attention deficit hyperactivity disorder (ADHD) plus epilepsy. Methods: Thirty-three patients, 6-18. years of age, taking antiepileptic drugs and with a last seizure 1-60. months prior were assigned to a maximum daily dose of 18, 36, or 54. mg of OROS-MPH in a double-blind placebo-controlled crossover trial. Results: There were no serious adverse events and no carryover effects in the crossover trial. OROS-MPH reduced ADHD symptoms more than did placebo treatment. There were too few seizures during the active (5) and placebo arms (3) to confidently assess seizure risk; however, considering exposure time, we observed an increased daily risk of seizures with increasing dose of OROS-MPH, suggesting that potential safety concerns require further study. Conclusion: A larger study to assess the effect of OROS-MPH on seizure risk is needed. A crossover design including subjects with frequent seizures could maximize power and address high patient heterogeneity and recruitment difficulties.

Original languageEnglish
Pages (from-to)229-237
Number of pages9
JournalEpilepsy and Behavior
Volume18
Issue number3
DOIs
StatePublished - Jul 2010
Externally publishedYes

Keywords

  • Attention deficit hyperactivity disorder
  • Childhood seizures
  • Epilepsy
  • Methylphenidate
  • OROS methylphenidate
  • Pharmacotherapy
  • Seizures
  • Stimulant

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