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Psychiatry Res. 2019 Oct 31:112627. doi: 10.1016/j.psychres.2019.112627. [Epub ahead of print]

Bipolar spectrum disorder: What evidence for pharmacological treatment? A systematic review.

Author information

1
Mood disorder unit, Psychiatric specialties service, Geneva University Hospital, Rue de Lausanne 20, CH-1201 Geneva, Switzerland. Electronic address: vincent.hede@hcuge.ch.
2
Mood disorder unit, Psychiatric specialties service, Geneva University Hospital, Rue de Lausanne 20, CH-1201 Geneva, Switzerland. Electronic address: sophie.favre@hcuge.ch.
3
Mood disorder unit, Psychiatric specialties service, Geneva University Hospital, Rue de Lausanne 20, CH-1201 Geneva, Switzerland; Department of Psychiatry, University of Geneva, Geneva, Switzerland. Electronic address: jean-michel.aubry@hcuge.ch.
4
Mood disorder unit, Psychiatric specialties service, Geneva University Hospital, Rue de Lausanne 20, CH-1201 Geneva, Switzerland. Electronic address: helene.richard-lepouriel@hcuge.ch.

Abstract

BACKGROUND AND OBJECTIVES:

Bipolar spectrum disorder (BSD) is an extended concept of bipolar disorder (BD) that includes conditions that do not fulfill the criteria. There is no recommendation today about its treatment. We reviewed relevant literature focusing on pharmacological treatments, looking for high-strength evidence leading to guidelines.

METHODOLOGY:

A literature search was conducted using MedLine / PubMed database and Google Scholar up to September 2018. Search words were related to BSD and pharmacological treatment.

RESULTS:

The literature search yielded 621 articles. Out of these, 35 articles met our selection criteria. There was limited high quality data. Only one randomized control trial (RCT) and one randomized open label trial were found. Most studies used different definition of BSD.

CONCLUSIONS:

There is a considerable lack of data and no evidence supporting efficacy of pharmacological treatment for BSD. There is a need for a consensus on the definition of BSD and more evidence studies to evaluate drug's effectiveness in this condition.

KEYWORDS:

Agitated depression; Mood stabilizer; Pharmacological treatment; Subthreshold

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