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Document type:
journal article 
Author(s):
Spill, B; Konoppa, S; Kissling, W; Maino, K; Messer, T; Heres, S 
Title:
Long-term observation of patients successfully switched to risperidone long-acting injectable: A retrospective, naturalistic 18-month mirror-image study of hospitalization rates and therapy costs 
Abstract:
Objective. The aim of the present 18-month retrospective study was to assess the association between a continuous long-term treatment with risperidone long-acting injectable (RLAI) of at least 12 months and in-patient care of patients suffering of schizophrenia or schizoaffective disorder. Furthermore we wanted to assess the cost-effectiveness of a long-term treatment with RLAI. Methods. In a mirror-image design, data of 119 patients with schizophrenia and schizoaffective disorder who were switched to RLAI treatment were analyzed retrospectively. Hospitalization rates, the duration of inpatient treatment and the overall treatment costs were assessed 12 and 18 months after switching to RLAI and compared to the equivalent time preceding the switch. Results. After 12 and 18 months of RLAI treatment, the mean reduction of inpatient care was 27.4 and 38.4 days per patient, respectively, compared to the equivalent time period prior to switching to RLAI (Wilcoxon P< 0.001). The overall savings in drug and institutional-care costs were 21.1 and 21.9%, respectively. Conclusions. Patients receiving RLAI for at least 12 months showed a reduction in inpatient days and lower overall treatment costs. 
Journal title abbreviation:
INT J PSYCHIATR CLIN PRACT 
Year:
2010 
Journal volume:
14 
Journal issue:
Pages contribution:
53-62 
Language:
eng 
Print-ISSN:
1365-1501 
TUM Institution:
Klinik und Poliklinik für Psychiatrie und Psychotherapie