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Baptista, T. et al.

T. Baptista, N. Rangel, Y. El Fakih, E. Uzcátegui, T. Galeazzi, S. Beaulieu, E. Araujo de Baptista,

Rosiglitazone in the assistance of metabolic control during olanzapine administration in schizophrenia: a pilot double-blind, placebo-controlled, 12-week trial.

INTRODUCTION: Excessive body weight gain (BWG), hyperglycemia and dyslipidemia are important side effects of olanzapine. We assessed the effects of rosiglitazone on BWG, the insulin resistance index (HOMA-IR), lipids, glycated hemoglobin and fibrinogen in olanzapine-treated schizophrenia patients. METHODS: Thirty patients taking olanzapine (10-20 mg daily for 8 months) were randomly allocated to rosiglitazone (n=15; 4 to 8 mg daily) or placebo (n=15) in a 12-week double-blind protocol. Anthropometric and biochemical variables were evaluated at baseline, weeks 6 and 12. RESULTS: The rosiglitazone and placebo groups gained 3.2+/-4.5 and 2.2+/-2.3 kg, respectively (p=0.65). Insulin and the HOMA-IR significantly decreased after rosiglitazone (p<0.05). Rosiglitazone did not improve the lipid profile, fibrinogen and Hb1c levels. DISCUSSION: The positive impact of rosiglitazone was limited to improved glycemic control. It cannot be recommended for metabolic control during olanzapine treatment.[1]

References

Rosiglitazone in the assistance of metabolic control during olanzapine administration in schizophrenia: a pilot double-blind, placebo-controlled, 12-week trial. Baptista, T., Rangel, N., El Fakih, Y., Uzcátegui, E., Galeazzi, T., Beaulieu, S., Araujo de Baptista, E. Pharmacopsychiatry (2009) [Pubmed]

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