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Treatment of Early-Age Mania: Outcomes for Partial and Nonresponders to Initial Treatment

  • John T. Walkup
  • , Karen Dineen Wagner
  • , Leslie Miller
  • , Gayane Yenokyan
  • , Joan L. Luby
  • , Paramjit T. Joshi
  • , David A. Axelson
  • , Adelaide Robb
  • , Jay A. Salpekar
  • , Dwight Wolf
  • , Abanti Sanyal
  • , Boris Birmaher
  • , Benedetto Vitiello
  • , Mark A. Riddle

Research output: Contribution to journalArticlepeer-review

Abstract

Objective The Treatment of Early Age Mania (TEAM) study evaluated lithium, risperidone, and divalproex sodium (divalproex) in children with bipolar I disorder who were naive to antimanic medication, or were partial or nonresponders to 1 of 3 study medications. This report evaluates the benefit of either an add-on or a switch of antimanic medications for an 8-week trial period in partial responders and nonresponders, respectively. Method TEAM is a randomized, controlled trial of individuals (N = 379) aged 6 to 15 years (mean ± SD = 10.2 ± 2.7 years) with DSM-IV bipolar I disorder (mixed or manic phase). Participants (n = 154) in this report were either nonresponders or partial responders to 1 of the 3 study medications. Nonresponders (n = 89) were randomly assigned to 1 of the other 2 antimanic medications and cross-tapered. Partial responders (n = 65) were randomly assigned to 1 of 2 other antimanic medications as an add-on to their initial medication. Adverse event (AE) rates are reported only for the add-on group. Results Response rate for children switched to risperidone (47.6%) was higher than for those switched to either lithium (12.8%; p =.005; number needed to treat [NNT] = 3; 95% CI = 1.71-9.09) or divalproex (17.2%; p =.03; NNT = 3; 95% CI = 1.79-20.10); response rate for partial responders who added risperidone (53.3%) was higher than for those who added divalproex (0%; p =.0002; NNT = 2; 95% CI = 1.27-3.56) and trended higher for lithium (26.7%; p =.07; NNT = 4). Reported AEs in the add-on group were largely consistent with the known AE profile for the second medication. Weight gain (kg) was observed for all add-on medications: lithium add-on (n = 29 of 30) = 1.66 ± 1.97; risperidone add-on (n = 15 of 15) = 2.8 ± 1.34; divalproex add-on (n = 19 of 20) = 1.42 ± 1.96. There was no evidence at the 5% significance level that the average weight gain was different by study medication for partial responders (p =.07, 1-way analysis of variance). Conclusion Risperidone appears to be more useful than lithium or divalproex for children with bipolar I disorder and other comorbid conditions who are nonresponders or partial responders to an initial antimanic medication trial.

Original languageEnglish (US)
Pages (from-to)1008-1019
Number of pages12
JournalJournal of the American Academy of Child and Adolescent Psychiatry
Volume54
Issue number12
DOIs
StatePublished - 2015

Keywords

  • bipolar
  • mania
  • nonresponders
  • pharmacology
  • treatment

ASJC Scopus subject areas

  • Developmental and Educational Psychology
  • Psychiatry and Mental health

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