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. 2011:2011:317368.
doi: 10.1155/2011/317368. Epub 2011 Oct 27.

Clinical Practice Associated with a Switch from and to Ziprasidone during Routine Inpatient Treatment of Patients with Schizophrenia

Matthias J Müller  1
Affiliations

Clinical Practice Associated with a Switch from and to Ziprasidone during Routine Inpatient Treatment of Patients with Schizophrenia

Matthias J Müller. Schizophr Res Treatment. 2011.

Abstract

Ziprasidone (ZIP) shows a low propensity for metabolic side effects but can prolong QTc time. It is unclear how these features translate into clinical reality. Charts of inpatients with schizophrenia and switched from (ZIP - , n = 27) or to ZIP (ZIP + , n = 24) were reviewed. Clinical data including documented switch reasons were anonymously analyzed. Comorbidity, body mass index (BMI) at admission, illness severity, side effects, illness duration, and length of stay were comparable in both groups. About 2/3 of ZIP+ were women (1/3 of ZIP - , P = 0.035); ZIP+ patients were younger (P = 0.017), had higher BMI values (P = 0.042), and received higher chlorpromazine equivalents before switch (P = 0.004) whereas ZIP doses were comparable (136 versus 141 mg/d). More patients in ZIP- versus ZIP+ were switched because of previous weight gain (P = 0.006) and depression (P = 0.085) whereas single reasons for ZIP- versus ZIP+ were mainly persisting positive symptoms (P = 0.089) and patients' choice (P = 0.10). The results of the naturalistic study corroborate controlled trials.

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Figures

Figure 1
Figure 1
Main reasons for a switch from or to ziprasidone ZIP−, switch from ziprasidone; ZIP+, switch to ziprasidone.
See this image and copyright information in PMC

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