PMID: 15242330Jul 10, 2004Paper

Newer anticonvulsants in the treatment of bipolar disorder

The Journal of Clinical Psychiatry
Lakshmi N Yatham

Abstract

The anticonvulsants valproate and carbamazepine have efficacy in treating acute mania, but their efficacy in treating acute bipolar depression and preventing mood episodes remains uncertain. Despite this, and given their utility and widespread use, both are widely accepted as standard treatments for bipolar disorder. All the newer anticonvulsants that have become available during the last decade have been or are being assessed to determine their efficacy in the treatment of various phases of bipolar disorder. Among the newer anticonvulsants, some appear to have efficacy in treating core bipolar symptoms, while others have efficacy in treating psychiatric comorbidity such as substance abuse or an anxiety disorder. Lamotrigine is the most widely studied and is effective in treating and preventing bipolar depression, and it is the only anticonvulsant approved by the U.S. Food and Drug Administration as a maintenance treatment for bipolar disorder. Other newer anticonvulsants, levetiracetam, oxcarbazepine, phenytoin, and zonisamide offer promise, but further studies are required before they can be recommended for routine use to treat bipolar disorder. Gabapentin and topiramate do not appear to have efficacy in treating acute mania,...Continue Reading

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