alexa Metabolic Alterations Associated With Antipsychotic Use
ISSN: 2329-6887

Journal of Pharmacovigilance
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Research Article

Metabolic Alterations Associated With Antipsychotic Use–A Descriptive Study and Comparison between Haloperidol and Olanzapine in Schizophrenic and Bipolar Patients

Sérgio Luiz Prior1, Antonio Ricardo de Toledo Gagliardi1, Marcos Montani Caseiro1 and Pedro Luis Prior2*
1Centro Universitário Lusíadas, Department of Psychiatry, Santos/SP, Brazil
2Universidade Federal de São Paulo, Department of Medicine, São Paulo/SP, Brazil
Corresponding Author : Pedro Luis Prior
Universidade Federal de São Paulo
Department of Medicine, R. Armando Sales de Oliveira
number 32 – Santos/SP, Brazil ZIP Code – 11050070
E-mail: [email protected]
Received July 03, 2014; Accepted July 30, 2014; Published August 06, 2014
Citation: Prior SL, Gagliardi ART, Caseiro MM, Prior PL (2014) Metabolic Alterations Associated With Antipsychotic Use–A Descriptive Study and Comparison between Haloperidol and Olanzapine in Schizophrenic and Bipolar Patients. J Pharmacovigilance 2:143. doi: 10.4172/2329-6887.1000143
Copyright: © 2014 Prior SL, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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Introduction: Antipsychotic drugs are essential to psychiatric health in many conditions, such as schizophrenia and bipolar disorder. However, they present several side effects, such as motor dystonia and “Parkinson-like” behavior (especially in first generation antipsychotics) and metabolic alterations leading to increased body weight, type 2 diabetes and dyslipidemias. Second generation antipsychotics are widely regarded as more damaging in metabolic side effects, though there are few studies comparing if first generation antipsychotics can provoke similar changes in metabolism. Methods: An observational-transversal-descriptive study was conducted in a total of 63 patients in use of their first generation (haloperidol–N=27) or second generation antipsychotic–olanzapine–N=36). Blood samples were collected to assess the following parameters–Fasting Glucose, HDL Cholesterol, LDL Cholesterol, Triglycerides and Basal Insulin. Anthropometric measurements of abdominal and neck circumference, as well as weight were also taken and compared between both groups. Statistical analyses: If variables were considered of normal distribution, the Student t-test and variance analyses (ANOVA) were performed to test for significant differences between groups. If samples were considered non-parametric, U Mann-Whitney test, Kruskal-Wallis test, Qui-square for extensive table, or Fish’s test were utilized. Statistical significance was considered 5% on all analyzes (p<0.05). Results: There were no statistically significant differences between both groups using either first and second generation antipsychotics., in relation to anthropometric measurements (abdominal circumference measurements p=0.56, U Mann-Whitney test), metabolic status (HOMA index p=0.12 , HDL cholesterol p=0.27, basal glycemia p=0.08 , BMI p=0.51, triglycerides p=0.12, Chi-square for extensive tables). Discussion: Metabolic alterations occurred in both groups, which support the literature findings which show a high prevalence of metabolic alteration in antipsychotic medication users.


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