期刊
SCHIZOPHRENIA RESEARCH
卷 118, 期 1-3, 页码 218-223出版社
ELSEVIER
DOI: 10.1016/j.schres.2010.02.001
关键词
Schizophrenia; Olanzapine; Topiramate; Weight; Metabolic syndrome; Leptin
类别
Background: Olanzapine associated weight gain (WG) is a major concern in patients with schizophrenia. The purpose of this study was to assess the efficacy of topiramate to prevent olanzapine induced WG in these cases. We also studied various metabolic parameters. Methods: In this 12-week, double-blind, parallel group study, seventy-two drug-naive, first-episode schizophrenia patients were randomized to receive olanzapine + placebo (olanzapine group) or olanzapine + topiramate (100 mg/day) (topiramate group). Weight, body mass index, fasting glucose, insulin, insulin resistance (IR), leptin, lipids and blood pressure were assessed at baseline and at 12 weeks. The patients were clinically evaluated using Positive and Negative Syndrome Scale (PANSS) and were monitored for adverse effects. Results: Topiramate resulted in a weight loss of 1.27 +/- 2.28 kg (p<0.01), decrease in leptin (p<0.001), glucose, cholesterol, triglyceride levels and systolic and diastolic blood pressure. In the olanzapine group, there was a significant WG, hyperglycemia, hyperinsulinemia, increased IR, hyperleptinemia, hypercholesterolemia and hypertriglyceridemia (p<0.001). There was a greater clinical improvement (PANSS scores) (p<0.001) in the topiramate group. The adverse effects were well tolerated. Conclusions: Topiramate could prevent olanzapine induced weight gain and adverse metabolic effects. It also results in a greater clinical improvement when used with olanzapine in schizophrenia. (C) 2010 Elsevier B.V. All rights reserved.
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