Pilot study of the efficacy of double-blind, placebo-controlled one-week olanzapine stabilization therapy in heterogeneous symptomatic bipolar disorder patients

Journal of Psychiatric Research
Shefali SrivastavaTerence A Ketter

Abstract

Olanzapine has demonstrated efficacy in acute mania and bipolar I disorder (BDI) maintenance, but efficacy in brief therapy in more diverse populations, including patients with bipolar II disorder (BDII)/bipolar disorder not otherwise specified (BDNOS) with syndromal/subsyndromal depressive/mood elevation symptoms and taking/not taking concurrent medications remains to be established. Fifty adult outpatients (24 BD1, 22 BDII, 4 BDNOS, mean ± SD age 40.8 ± 11.5 years, 28.1% female, already taking 1.1 ± 1.2 [median 1] prescription psychotropics) with 17-item Hamilton Depression Rating Scale (HDRS) ≥10 and/or Young Mania Rating Scale (YMRS) ≥10 and ≤24, were randomized to double-blind olanzapine (2.5-20 mg/day) versus placebo for one week. Among 45 patients with post-baseline ratings, olanzapine (9.0 ± 5.8 mg/day, n = 23) compared to placebo (n = 22) tended to yield greater Clinical Global Impressions-Bipolar Version-Overall Severity of Illness (-1.4 ± 0.9 versus -0.8 ± 1.1, p = 0.08) and Hamilton Anxiety Scale (-7.9 ± 6.3 versus -3.8 ± 6.1, p = 0.07) improvements, and YMRS/HDRS remission rate (47.8% versus 22.7%, p = 0.08), but significantly increased median weight (+2 versus -1 lbs, p = 0.001), and rates of excessive appetite (5...Continue Reading

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Citations

Sep 24, 2015·The Cochrane Database of Systematic Reviews·Caroline CaddyAndrea Cipriani

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