PMID- 28477447 OWN - NLM STAT- MEDLINE DCOM- 20180323 LR - 20220410 IS - 1873-3360 (Electronic) IS - 0306-4530 (Linking) VI - 81 DP - 2017 Jul TI - Metabolic adverse effects of olanzapine on cognitive dysfunction: A possible relationship between BDNF and TNF-alpha. PG - 138-143 LID - S0306-4530(17)30253-6 [pii] LID - 10.1016/j.psyneuen.2017.04.014 [doi] AB - OBJECTIVE: There is accumulating evidence indicating that long-term treatment with second-generation antipsychotics (SGAs) results in metabolic syndrome (MetS) and cognitive impairment. This evidence suggests an intrinsic link between antipsychotic-induced MetS and cognitive dysfunction in schizophrenia patients. Olanzapine is a commonly prescribed SGA with a significantly higher MetS risk than that of most antipsychotics. In this study, we hypothesized that olanzapine-induced MetS may exacerbate cognitive dysfunction in patients with schizophrenia. METHODS: A sample of 216 schizophrenia patients receiving long-term olanzapine monotherapy were divided into two groups, MetS and non-MetS, based on the diagnostic criteria of the National Cholesterol Education Program's Adult Treatment Panel III. We also recruited 72 healthy individuals for a control group. Cognitive function was evaluated using the Repeatable Battery for the Assessment of Neuropsychological Status (RBANS). Plasma brain-derived neurotrophic factor (BDNF) and tumor necrosis factor-alpha (TNF-alpha) were measured by an enzyme-linked immunosorbent assay for 108 patients and 47 controls. RESULTS: Among the 216 schizophrenia patients receiving olanzapine monotherapy, MetS was found in 95/216 (44%). Patients with MetS had more negative symptoms, higher total scores in PANSS (Ps<0.05) and lower immediate memory, attention, delayed memory and total scores in RBANS (Ps<0.01). Stepwise multivariate linear regression analysis revealed that increased glucose was the independent risk factor for cognitive dysfunction (t=-2.57, P=0.01). Patients with MetS had significantly lower BDNF (F=6.49, P=0.012) and higher TNF-alpha (F=5.08, P=0.026) levels than those without MetS. There was a negative correlation between the BDNF and TNF-alpha levels in the patients (r=-0.196, P=0.042). CONCLUSION: Our findings provide evidence suggesting that the metabolic adverse effects of olanzapine may aggravate cognitive dysfunction in patients with schizophrenia through an interaction between BDNF and TNF-alpha. CI - Copyright (c) 2017 Elsevier Ltd. All rights reserved. FAU - Zhang, Chen AU - Zhang C AD - Schizophrenia Program, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China. Electronic address: zhangchen645@gmail.com. FAU - Fang, Xinyu AU - Fang X AD - Schizophrenia Program, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China. FAU - Yao, Peifen AU - Yao P AD - Schizophrenia Program, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China. FAU - Mao, Yemeng AU - Mao Y AD - Department of Pharmacology, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China. FAU - Cai, Jun AU - Cai J AD - Schizophrenia Program, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China. FAU - Zhang, Yi AU - Zhang Y AD - Schizophrenia Program, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China. FAU - Chen, Meijuan AU - Chen M AD - Schizophrenia Program, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China. FAU - Fan, Weixing AU - Fan W AD - Department of Psychiatry, Jinhua Second Hospital, Jinhua, Zhejiang, China. FAU - Tang, Wei AU - Tang W AD - Department of Psychiatry, Wenzhou Kanging Hospital, Wenzhou, Zhejiang, China. FAU - Song, Lisheng AU - Song L AD - Schizophrenia Program, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China. Electronic address: slslulu@163.com. LA - eng PT - Journal Article DEP - 20170427 PL - England TA - Psychoneuroendocrinology JT - Psychoneuroendocrinology JID - 7612148 RN - 0 (Antipsychotic Agents) RN - 0 (Brain-Derived Neurotrophic Factor) RN - 0 (Tumor Necrosis Factor-alpha) RN - 12794-10-4 (Benzodiazepines) RN - 7171WSG8A2 (BDNF protein, human) RN - N7U69T4SZR (Olanzapine) SB - IM MH - Adult MH - Antipsychotic Agents/adverse effects/therapeutic use MH - Benzodiazepines/*adverse effects/metabolism/therapeutic use MH - Brain-Derived Neurotrophic Factor/*blood MH - Case-Control Studies MH - Cognitive Dysfunction/blood/*chemically induced/complications MH - Cross-Sectional Studies MH - Female MH - Humans MH - Male MH - Metabolic Syndrome/blood/*chemically induced/complications MH - Olanzapine MH - Schizophrenia/blood/drug therapy MH - Treatment Outcome MH - Tumor Necrosis Factor-alpha/*blood MH - Young Adult OTO - NOTNLM OT - Brain-derived neurotrophic factor OT - Cognitive function OT - Metabolic syndrome OT - Olanzapine OT - Tumor necrosis factor-alpha EDAT- 2017/05/10 06:00 MHDA- 2018/03/24 06:00 CRDT- 2017/05/07 06:00 PHST- 2017/03/13 00:00 [received] PHST- 2017/04/17 00:00 [revised] PHST- 2017/04/21 00:00 [accepted] PHST- 2017/05/10 06:00 [pubmed] PHST- 2018/03/24 06:00 [medline] PHST- 2017/05/07 06:00 [entrez] AID - S0306-4530(17)30253-6 [pii] AID - 10.1016/j.psyneuen.2017.04.014 [doi] PST - ppublish SO - Psychoneuroendocrinology. 2017 Jul;81:138-143. doi: 10.1016/j.psyneuen.2017.04.014. Epub 2017 Apr 27.