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J Child Adolesc Psychopharmacol. 2001 Fall;11(3):239-50.

A prospective open-label treatment trial of olanzapine monotherapy in children and adolescents with bipolar disorder.

Author information

  • 1Department of Psychiatry, McLean Hospital, Belmont, Massachusetts 02478, USA. frazier@helix.mgh.harvard.edu

Abstract

OBJECTIVE:

The goal of this study was to assess the effectiveness and tolerability of olanzapine in the treatment of acute mania in children and adolescents.

METHODS:

This was an 8-week, open-label, prospective study of olanzapine monotherapy (dose range 2.5-20 mg/day) involving 23 bipolar youths (manic, mixed, or hypomanic; 5-14 years old). Weekly assessments were made using the Young Mania Rating Scale (YMRS), Clinical Global Impressions Severity Scale (CGI-S), Brief Psychiatric Rating Scale, and Children's Depression Rating Scale. Adverse events were assessed through self-reports, vital sign and weight monitoring, laboratory analytes, and extrapyramidal symptom rating scales (Barnes Akathisia Scale, Simpson-Angus Scale, and Abnormal Involuntary Movement Scale).

RESULTS:

Twenty-two of the 23 youths (96%) completed the study. Olanzapine treatment was associated with significant improvement in mean YMRS score (-19.0 +/- 9.2, p < 0.001). Using predefined criteria for improvement of > or = 30% decline in the YMRS and a CGI-S Mania score of < or = 3 at endpoint, the overall response rate was 61%. Overall, olanzapine was well tolerated, and extrapyramidal symptom measures were not significantly different from baseline. Body weight increased significantly over the study (5.0 +/- 2.3 kg, p < 0.001).

CONCLUSIONS:

Open-label olanzapine treatment was efficacious and well tolerated in the treatment of acute mania in youths with bipolar disorder. Future placebo-controlled, double-blind studies are warranted.

PMID:
11642474
[PubMed - indexed for MEDLINE]
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