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Current Psychiatry Reviews


ISSN (Print): 1573-4005
ISSN (Online): 1875-6441

Therapy of No-Type I Bipolar Spectrum Disorders: A Systematic Review

Author(s): Jorge M. Tamayo, David Mejia-Rodriguez, Ana M. Navarro-Montoya, Lina M. Alvarez-Arboleda, Gustavo Vazquez and Eduard Vieta

Volume 9 , Issue 1 , 2013

Page: [41 - 50] Pages: 10

DOI: 10.2174/1573400511309010006

Price: $65


Although No-Type I Bipolar spectrum disorders (NBP-I) are common, recurrent, and disabling, they are underdiagnosed and misdiagnosed in clinical practice. Several data show that NBP-I (especially BP type II) are a significant public health problem, and there is a dearth of studies of effective treatment modalities for the control of acute symptoms and the prevention of mood recurrences (mainly major depressive episodes). Considering the growing need to find effective therapies for patients with NBP-I, this review is based on a systematic search of evidence about the efficacy of treatments for each phase of the NBP-I.

Fifty-seven studies were identified and reviewed. Most studies investigating the pharmacotherapy of NBP-I were methodologically limited, having observational or retrospective designs and small samples. Regarding short-term treatment, there is some limited support for the use of risperidone, valproate, and quetiapine in hypomania, and for valproate, quetiapine, fluoxetine, and venlafaxine in treating depression. For long-term treatment, the only preventive therapy for both depression and hypomania that is supported by several controlled studies is quetiapine. Lithium and fluoxetine have shown efficacy in delaying depressive recurrences. Although the adequate treatment for these patients remains to be determined, mood stabilizers and some forms of psychotherapy may be useful for these patients.

We conclude that there is a paucity of sound evidence to guide clinicians in treating NBP-I patients. Although progress has been made, more quality research is needed to delineate effective treatment strategies.

Keywords: Bipolar II disorder, Soft bipolar disorder, Bipolar depression, Lithium, Valproate, Quetiapine, Antidepressants, Psychotherapy

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