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First vs multiple episode schizophrenia: two-year outcome of intermittent and maintenance medication strategies
Wolfgang Gaebel1, Michaela Jänner, Nicole Frommann
1Department of Psychiatry, Heinrich-Heine-University Düsseldorf, Bergische Landstr. 2, 40629 Düsseldorf, Germany. wolfgang.gaebel@uni-duesseldorf.de
Abstract:
Results of studies on intermittent neuroleptic treatment strategies in first episode (FE) schizophrenia have not been published. Aims of the present study were to elucidate the comparative efficacy of prodrome-based neuroleptic intervention in first vs multiple episode (ME) schizophrenia. As to the methods, three randomly assigned open neuroleptic treatment strategies were compared over 2 years in 363 schizophrenic outpatients (115 FE, 248 ME; ICD-9, RDC): maintenance medication vs two intermittent medication strategies (prodrome-based intervention and crisis intervention). Concerning relapse prevention, the results demonstrate that ME patients seemed to profit most from maintenance medication compared to both intermittent treatments, whereas FE patients did equally well under maintenance medication and prodrome-based intervention treatment. Psychopathology, social adjustment, subjective well-being, and side-effects after two years did not differ significantly between the FE and ME patients irrespective of treatment strategy. Concerning treatment adherence, FE patients complied better with prodrome-based intervention than with maintenance medication. Cumulative neuroleptic dosage was lowest in FE patients under intermittent treatment. In conclusion, maintenance medication is the best strategy for relapse prevention in ME patients. In FE patients, prodrome-based intermittent intervention seems to be equivalent or even better with respect to compliance and dosage applied.
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