期刊
JOURNAL OF PSYCHIATRIC RESEARCH
卷 53, 期 -, 页码 133-140出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jpsychires.2014.02.013
关键词
Glucose; Lipid; Melatonin; Olanzapine; Schizophrenia; Weight gain
类别
资金
- Guilan University of Medical Sciences [9277]
We aimed to determine the efficacy of melatonin 3 mg/day in prevention of olanzapine-induced metabolic side-effects. In a randomized double-blind placebo-controlled study, 48 patients with first-episode schizophrenia who were eligible for olanzapine treatment, were randomly assigned to olanzapine plus either melatonin 3 mg/day or matched placebo for eight weeks. Anthropometric and metabolic parameters as well as psychiatric symptoms using The Positive and Negative Syndrome Scale (PANSS) were assessed at baseline, week 4, and 8. Primary outcome measure was the change from baseline in weight at week 8. Data were analyzed using t-test, Mann Whitney U test, and mixed-effects model. Thirty-six patients had at least one post-baseline measurement. At week eight, melatonin was associated with significantly less weight gain [mean difference (MD) = 3.2 kg, P = 0.023], increase in waist circumference [MD = 2.83 cm, P = 0.041] and triglyceride concentration [MD = 62 mg/dl, P = 0.090 (nearly significant)] than the placebo. Changes in cholesterol, insulin, and blood sugar concentrations did not differ significantly between the two groups. Patients in the melatonin group experienced significantly more reduction in their PANSS scores [MD = 12.9 points, P = 0.014] than the placebo group. No serious adverse events were reported. To summarize, in patients treated with olanzapine, short-term melatonin treatment attenuates weight gain, abdominal obesity, and hypertriglyceridemia. It might also provide additional benefit for treatment of psychosis. The study was registered in the ClinicalTrials. gov (Registration number: NCT01593774). (C) 2014 Elsevier Ltd. All rights reserved.
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