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Evaluating the Effect of 8-Week Treatment With Risperidone On Fasting Blood Glucose of Patients with Schizophrenia

Abstract

Objective: This study was designed to evaluate the effects of risperidone on fasting blood glucose (FBG) in patients with Schizophrenia .
Method: Seventy five non-diabetic patients with Schizophrenia (based on Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition criteria) entered this cross-sectional study. Patients did not receive any medications (Including risperidone) affecting serum FBG levels for at least 2 weeks prior to the initiation of the study. Patients received the mean dose of 4.5mg (range 2-12mg) risperidone for 8 weeks. Pregnant women, patients with diabetes mellitus and a history of any major heart disease were excluded from this study.Additionally, none of the patients should have received electroconvulsive therapy within 6 months prior to the initiation of the antiphsychotics.FBG levels were measured at the initiation and 8 weeks after starting risperidone.
Results: Fifty one patients completed the study. The mean FBG level was increased from 88.9mg/dL (baseline) to 94.4 mg/dL at week 8 (P =0.003). This 8-week study showed that FBG levels may increase in schizophrenic patients receiving risperidone.
Conclusion: Measuring and monitoring FBG before the initiation and during the treatment with risperidone is suggested.

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Keywords
Blood glucose Risperidone Schizophrenia

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How to Cite
1.
Raisi F, Okhovatpoor H, Dashti-Khavidaki S, Khalili H, Ghaeli P. Evaluating the Effect of 8-Week Treatment With Risperidone On Fasting Blood Glucose of Patients with Schizophrenia. Iran J Psychiatry. 1;2(3):124-126.