Effectiveness and cost of atypical versus typical antipsychotic treatment for schizophrenia in routine care

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dc.contributor.authorStargardt, T.
dc.contributor.authorWeinbrenner, S.
dc.contributor.authorBusse, R.
dc.contributor.authorJuckel, G.
dc.contributor.authorGericke, C.
dc.date.issued2008
dc.descriptionCopyright © 2008 ICMPE
dc.description.abstractBACKGROUND: In two recent randomised clinical trials, a meta-analysis and in an effectiveness study analysing routine data from the U.S. Veterans Administration the superiority of the newer atypical drugs over typical antipsychotic drugs, concerning both their efficacy and their side-effect profile, has been questioned. AIMS OF THE STUDY: To analyse the effectiveness and cost of atypical versus typical antipsychotic treatment for schizophrenia in routine care. METHODS: Cohort study using routine care data from a statutory sickness fund with 5.4 million insured in Germany. To be included, patients had to be discharged with a diagnosis of schizophrenia in 2003 and fulfil membership criteria. Main outcome measures were rehospitalisation rates, mean hospital bed days, mean length of stay, cost of inpatient and pharmaceutical care to the sickness fund during follow-up and medication used to treat side-effects. RESULTS: 3121 patients were included into the study. There were no statistically significant differences in the effectiveness of atypical and typical antipsychotics on rehospitalisation during follow-up (rehospitalisation rate ratio 1.07, 95% confidence interval 0.86 to 1.33). However, there were consistent observations of atypical antipsychotics being more effective for severe cases of schizophrenia (14.6% of study population; >61 prior bed days per year in 2000-2002) in the follow-up period, whereas for the other severity strata typical antipsychotics seemed more effective in reducing various rehospitalisation outcomes. Patients treated with atypical antipsychotics received significantly less prescriptions for anticholinergics or tiaprid (relative risk 0.26, 95% confidence interval 0.18 to 0.38). DISCUSSION: The effectiveness of atypical antipsychotics for schizophrenia on rehospitalisation measures appeared similar to that of typical antipsychotics. With the exception of severe cases, the higher costs for atypical antipsychotics were not offset by savings from reduced inpatient care. Major limitations include the lack of statistical power for subgroup analyses, the lack of clinical severity scale data and of life-course medical history data which both increase the risk of residual confounding by disease severity. CONCLUSIONS: This study provides evidence that the effectiveness of atypical and typical antipsychotics measured in terms of hospital readmissions appears to be similar in routine care. IMPLICATIONS FOR HEALTH CARE PROVISION AND USE: From a clinical perspective, this study provides evidence that the effectiveness of atypical and typical antipsychotics measured in terms of hospital readmissions appears to be similar in routine care. IMPLICATIONS FOR HEALTH POLICIES: Routine data studies can yield valuable information for policy decision-makers on the costs and the effectiveness of pharmaceuticals in routine care, complementing efficacy data from randomised clinical trials currently used for licensing and reimbursement decisions. IMPLICATIONS FOR FURTHER RESEARCH: The non-significant differences in the effectiveness of atypical compared to typical antipsychotics according to severity of disease should be investigated in a prospective observational study or in a randomised clinical trial.
dc.description.statementofresponsibilityStargardt T, Weinbrenner S, Busse R, Juckel G. and Gericke C.A.
dc.description.urihttp://www.icmpe.org/test1/journal/issues/v11i2/v11i2abs05.html
dc.identifier.citationJournal of Mental Health Policy and Economics, 2008; 11(2):89-97
dc.identifier.issn1091-4358
dc.identifier.issn1099-176X
dc.identifier.orcidGericke, C. [0000-0002-7834-0406]
dc.identifier.urihttp://hdl.handle.net/2440/46375
dc.language.isoen
dc.publisherInternational Center of Mental Health Policy and Economics
dc.subjectHumans
dc.subjectAntipsychotic Agents
dc.subjectHospitalization
dc.subjectLength of Stay
dc.subjectPatient Readmission
dc.subjectCohort Studies
dc.subjectFollow-Up Studies
dc.subjectSchizophrenia
dc.subjectHealth Policy
dc.subjectCost-Benefit Analysis
dc.subjectHealth Care Costs
dc.subjectGermany
dc.subjectOutcome Assessment, Health Care
dc.titleEffectiveness and cost of atypical versus typical antipsychotic treatment for schizophrenia in routine care
dc.typeJournal article
pubs.publication-statusPublished

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