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Schizophr Res Treatment. 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.

Schizophrenia research and treatment

Matthias J Müller

Affiliations

  1. Clinic for Psychiatry and Psychotherapy Giessen and Marburg, Vitos Clinical Centre Giessen-Marburg, Academic Teaching Hospital, University of Giessen, Licher Strasse 106, 35392 Giessen, Germany.

PMID: 22937263 PMCID: PMC3420656 DOI: 10.1155/2011/317368

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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