Liangyu Yu1, Sanlan Wu1, Yahui Deng1, Juan Lei2, Lixiu Yu1, Weiyong Li3. 1. Department of Pharmacy, Union Hospital Affiliated to Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China. 2. College of Pharmacy, Hubei University of Chinese Medicine, Wuhan, People's Republic of China. 3. Department of Pharmacy, Union Hospital Affiliated to Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China. wenzhang_sci@163.com.
Abstract
PURPOSE: This systematic review aimed to determine whether olanzapine is more likely than other second-generation antipsychotics (SGAs) to induce insulin resistance in patients with schizophrenia in China. METHODS: We reviewed all randomized controlled trials on insulin resistance and metabolic abnormalities caused by SGAs in the PubMed, China National Knowledge Infrastructure (CNKI), VIP, and Wanfang databases. Retrieved articles were published on or before December 2018. Meta-analysis was performed to determine the effect size of the treatment on the insulin resistance index (IRI), fasting blood glucose (FBG), and fasting insulin (FINS). RESULTS: Forty studies (3725 participants in total) were included. All studies contained data suitable for comparing aripiprazole vs. olanzapine, ziprasidone vs. olanzapine, and risperidone vs. olanzapine. Patients treated with olanzapine had higher IRI, FBG, and FINS levels than did patients treated with aripiprazole, ziprasidone, or risperidone, with significant differences (aripiprazole vs. olanzapine: FBG: standardized mean difference [SMD] = 0.72, 95% confidence interval [95%CI] - 0.82, - 0.61; FINS: SMD = - 0.8, 95%CI - 1.00, - 0.61; IRI: SMD = - 0.80, 95%CI - 0.99, - 0.61; ziprasidone vs. olanzapine: FBG: SMD = - 1.19, 95%CI - 1.30, - 1.08; FINS: SMD = - 0.66, 95%CI - 0.85, - 0.47; IRI: SMD = - 0.71, 95%CI - 0.88, - 0.55; risperidone vs. olanzapine: FBG: SMD = - 0.17, 95%CI - 0.34, - 0.00). CONCLUSIONS: Existing data suggest that olanzapine is associated with a significantly greater risk of IRI, FBG, and FINS, while other agents are associated with relatively lower risks. Thus, olanzapine is more likely to induce insulin resistance than are other SGAs in schizophrenic patients in China.
PURPOSE: This systematic review aimed to determine whether olanzapine is more likely than other second-generation antipsychotics (SGAs) to induce insulin resistance in patients with schizophrenia in China. METHODS: We reviewed all randomized controlled trials on insulin resistance and metabolic abnormalities caused by SGAs in the PubMed, China National Knowledge Infrastructure (CNKI), VIP, and Wanfang databases. Retrieved articles were published on or before December 2018. Meta-analysis was performed to determine the effect size of the treatment on the insulin resistance index (IRI), fasting blood glucose (FBG), and fasting insulin (FINS). RESULTS: Forty studies (3725 participants in total) were included. All studies contained data suitable for comparing aripiprazole vs. olanzapine, ziprasidone vs. olanzapine, and risperidone vs. olanzapine. Patients treated with olanzapine had higher IRI, FBG, and FINS levels than did patients treated with aripiprazole, ziprasidone, or risperidone, with significant differences (aripiprazole vs. olanzapine: FBG: standardized mean difference [SMD] = 0.72, 95% confidence interval [95%CI] - 0.82, - 0.61; FINS: SMD = - 0.8, 95%CI - 1.00, - 0.61; IRI: SMD = - 0.80, 95%CI - 0.99, - 0.61; ziprasidone vs. olanzapine: FBG: SMD = - 1.19, 95%CI - 1.30, - 1.08; FINS: SMD = - 0.66, 95%CI - 0.85, - 0.47; IRI: SMD = - 0.71, 95%CI - 0.88, - 0.55; risperidone vs. olanzapine: FBG: SMD = - 0.17, 95%CI - 0.34, - 0.00). CONCLUSIONS: Existing data suggest that olanzapine is associated with a significantly greater risk of IRI, FBG, and FINS, while other agents are associated with relatively lower risks. Thus, olanzapine is more likely to induce insulin resistance than are other SGAs in schizophrenicpatients in China.
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