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Lookup NU author(s): Professor Allan Young
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The aim of this study was to evaluate the efficacy and tolerability of quetiapine combined with lithium or divalproex in the treatment of bipolar mania. Patients were randomized to 6 weeks of quetiapine (up to 800 mg/day) and lithium/divalproex (Li/DVP) (target trough serum concentrations of 0.7-1.0 mEq/L and 50-100 μg/mL, respectively) or placebo and lithium/divalproex. Quetiapine+lithium/divalproex treatment (n=104) showed a 2.0-point greater improvement on the primary outcome (change from baseline in Young Mania Rating Scale total score at day 21) compared with placebo+lithium/divalproex (n=96), and a 2.8-point greater difference by day 42, but the differences between groups were not statistically significant. Other efficacy measures, however, did show a statistically significant advantage in favor of quetiapine+lithium/divalproex over lithium/divalproex monotherapy at day 42. Improvement of mean Young Mania Rating Scale scores with quetiapine+lithium/divalproex was numerically but not statistically significantly greater than lithium/divalproex monotherapy in the treatment of bipolar mania. Potential reasons for the failure of quetiapine+lithium/divalproex to differentiate from placebo+lithium/divalproex treatment on the primary outcome measure and the implications of this for the treatment of mania and future studies are discussed. Overall, the combination of quetiapine with lithium or divalproex was well tolerated. © 2007 Lippincott Williams & Wilkins, Inc.
Author(s): Yatham LN, Vieta E, Young AH, Moller H-J, Paulsson B, Vagero M
Publication type: Article
Publication status: Published
Journal: International Clinical Psychopharmacology
ISSN (print): 0268-1315
ISSN (electronic): 1473-5857
Publisher: Lippincott Williams & Wilkins
PubMed id: 17519644
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