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Topiramate as a mood stabilizer.

M Letmaier1, D Schreinzer, R Wolf

  • 1Department of General Psychiatry, University of Vienna, Austria.

International Clinical Psychopharmacology
|September 13, 2001
PubMed
Summary
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Topiramate shows promise as a mood stabilizer for bipolar I disorder, significantly reducing hospitalizations in one patient. This anticonvulsant was well-tolerated and improved long-term functioning.

Area of Science:

  • Neuroscience
  • Psychiatry
  • Pharmacology

Background:

  • Bipolar disorder, specifically Bipolar I, is characterized by recurrent manic episodes.
  • Previous treatments including carbamazepine, valproate, and lamotrigine showed limited efficacy in this patient.
  • Topiramate, an anticonvulsant with a broad mechanism of action, has emerging evidence for mood-stabilizing properties.

Observation:

  • A 41-year-old female patient with a 10-year history of Bipolar I disorder and 12 prior hospitalizations was treated with topiramate.
  • Initial treatment led to a brief hospitalization, but subsequent management with adjusted topiramate dosage and adjunctive medications (risperidone, clonazepam) prevented further hospitalizations.
  • The patient experienced a recurrence of psychopathology following a significant life event, which was managed without inpatient care.

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Findings:

  • Topiramate treatment resulted in sustained clinical improvement and functional well-being for over 17 months.
  • The patient remained largely asymptomatic on a maintenance dose of 200 mg/day of topiramate.
  • Topiramate was generally well-tolerated throughout the treatment period.

Implications:

  • Topiramate may be a viable therapeutic option for managing acute mania in treatment-resistant Bipolar I disorder.
  • This case highlights the potential of topiramate as an adjunctive or alternative mood stabilizer.
  • Further research is warranted to explore the efficacy and safety of topiramate in larger bipolar disorder populations.