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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-52602

Greil, W; Häberle, A; Haueis, P; Grohmann, R; Russmann, S (2012). Pharmacotherapeutic trends in 2231 psychiatric inpatients with bipolar depression from the International AMSP Project between 1994 and 2009. Journal of Affective Disorders, 136(3):534-542.

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Abstract

BACKGROUND: Pharmacological treatment of bipolar depression is a complex and controversial issue, and its real-world practice remains largely unknown. METHOD: Observational analysis of the pharmacotherapy of 2231 psychiatric inpatients with a current episode of bipolar depression. The study was based on cross-sectional prescription data from European psychiatric hospitals that had been repeatedly collected between 1994 and 2009 through the collaborative Drug Safety in Psychiatry (AMSP) program. RESULTS: Overall 81.3% of patients received antidepressants (AD) (7.8% monotherapy), 57.9% antipsychotics (AP), 50.1% anticonvulsants (AC), 47.5% tranquilizers, and 34.6% lithium (Li). Use over time was stable for AD, decreased for Li, and increased for AC, AP and tranquilizers. Pronounced increases were specifically observed for quetiapine, lamotrigine and valproate. Use of tricyclic AD decreased but its prevalence was still 11.8% in 2009. Venlafaxine was used by 19.5% in 2009. We also observed an increase of polypharmacy combining AD, AP, AC and Li. From 2006 to 2009 37.0% received concomitant treatment with three, and 6.4% even with all four of those drug classes. LIMITATIONS: Observational cross-sectional study without follow-up or additional clinical information. CONCLUSIONS: Monotherapy with antidepressants and any use of tricyclic AD and venlafaxine still has a considerable prevalence in bipolar depression, but this is controversial due to the reported risk of treatment emergent affective switches. Triple and quadruple therapy is not evidence-based but increasingly used in clinical practice. This may reflect an attempt to overcome treatment failure, and further studies should evaluate efficacy and safety of this common practice.

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Center for Integrative Human Physiology
04 Faculty of Medicine > University Hospital Zurich > Clinic for Clinical Pharmacology and Toxicology
DDC:570 Life sciences; biology
610 Medicine & health
Language:English
Date:2012
Deposited On:16 Dec 2011 12:16
Last Modified:27 Nov 2013 16:39
Publisher:Elsevier
ISSN:0165-0327
Publisher DOI:10.1016/j.jad.2011.10.033
PubMed ID:22134044
Citations:Web of Science®. Times Cited: 8
Google Scholar™
Scopus®. Citation Count: 9

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