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2014-10-31

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Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/104177

Treatment implications of predominant polarity and the polarity index: a comprehensive review.

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https://doi.org/10.1093/ijnp/pyu079

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Background: Bipolar disorder (BD) is a serious and recurring condition that affects approximately 2.4% of the global population. About half of BD sufferers have an illness course characterized by either a manic or a depressive predominance. This predominant polarity in BD may be differentially associated with several clinical correlates. The concept of a polarity index (PI) has been recently proposed as an index of the antimanic versus antidepressive efficacy of various maintenance treatments for BD. Notwithstanding its potential clinical utility, predominant polarity was not included in the DSM-5 as a BD course specifier. Methods: Here we searched computerized databases for original clinical studies on the role of predominant polarity for selection of and response to pharmacological treatments for BD. Furthermore, we systematically searched the Pubmed database for maintenance randomized controlled trials (RCTs) for BD to determine the PI of the various pharmacological agents for BD. Results: We found support from naturalistic studies that bipolar patients with a predominantly depressive polarity are more likely to be treated with an antidepressive stabilization package, while BD patients with a manic-predominant polarity are more frequently treated with an antimanic stabilization package. Furthermore, predominantly manic BD patients received therapeutic regimens with a higher mean PI. The calculated PI varied from 0.4 (for lamotrigine) to 12.1 (for aripiprazole). Conclusions: This review supports the clinical relevance of predominant polarity as a course specifier for BD. Future studies should investigate the role of baseline, predominant polarity as an outcome predictor of BD maintenance RCTs. Keywords:

Matèries

Trastorn bipolar, Neuropsicofarmacologia, Trastorns afectius

Matèries (anglès)

Manic-depressive illness, Neuropsychopharmacology, Affective disorders

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CARVALHO, André f., QUEVEDO, Joao, MCINTYRE, Roger s., SOEIRO-DE-SOUZA, Márcio g., FOUNTOULAKIS, Konstantinos n., BERK, Michael, HYPHANTIS, Thomas n., VIETA I PASCUAL, Eduard. Treatment implications of predominant polarity and the polarity index: a comprehensive review.. _International Journal of Neuropsychopharmacology_. 2015. Vol. 18, núm. 2. [consulta: 15 de gener de 2026]. ISSN: 1461-1457. [Disponible a: https://hdl.handle.net/2445/104177]

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