Costs in the treatment of schizophrenia in adults receiving atypical antipsychotics : an eleven-year cohort in Brazil

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Barbosa, Wallace Breno and de Oliveira Costa, Juliana and Lovato Pires de Lemos, Livia and Gomes, Rosângela Maria and de Oliveira, Helian Nunes and Ruas, Cristina Mariano and de Assis Acurcio, Francisco and Barbui, Corrado and Bennie, Marion and Godman, Brian and Guerra Júnior, Augusto Afonso (2018) Costs in the treatment of schizophrenia in adults receiving atypical antipsychotics : an eleven-year cohort in Brazil. Applied Health Economics and Health Policy, 16 (5). pp. 697-709. ISSN 1179-1896 (https://doi.org/10.1007/s40258-018-0408-4)

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Abstract

Background: Schizophrenia is associated with significant economic burden. In Brazil, antipsychotics drugs, outpatient and hospital services are provided by the Brazilian National Health System for patients with schizophrenia. However, there are few studies that capture the cost of managing these patients within the Brazilian NHS. This is important to appraise different management approaches within universal healthcare systems. Objective: Describe the costs associated with the treatment of schizophrenia in adults receiving atypical antipsychotics in Brazil from 2000 to 2010 through real world data. Methods: We integrated three national databases for adult patients with schizophrenia receiving one or more atypical antipsychotics. Only direct medical costs were assessed as the perspective is a public payer. A multivariate log-linear regression model was performed to evaluate associations between costs and clinical and demographic variables. Results: 174,310 patients with schizophrenia were identified with mean (± SD) annual costs of USD 1,811.92 ± 284.39 per patient. Atypical antipsychotics accounted for 79.7% of the total cost, with a mean (± SD) annual cost per patient of USD 1,578.74 ± 240.40. Mean (± SD) annual costs per patient of psychiatric hospitalization were USD 2,482.90 ± 302.92 and outpatient psychiatric care was USD 862.96 ± 160.18. Olanzapine was used by 47.7% of patients and represented 62.8% of the total cost of atypical antipsychotics. Patients who used clozapine had the highest mean annual cost per patient regarding outpatient psychiatric care and psychiatric hospitalization. Conclusions: Atypical antipsychotics were responsible for the majority of the schizophrenia treatment cost, and psychiatric hospitalization costs were the highest mean annual cost per patient. As a result, authorities should ensure good quality of use of atypical antipsychotic and encourage outpatient psychiatric care over psychiatric hospitalization where possible.

ORCID iDs

Barbosa, Wallace Breno, de Oliveira Costa, Juliana, Lovato Pires de Lemos, Livia, Gomes, Rosângela Maria, de Oliveira, Helian Nunes, Ruas, Cristina Mariano, de Assis Acurcio, Francisco, Barbui, Corrado, Bennie, Marion ORCID logoORCID: https://orcid.org/0000-0002-4046-629X, Godman, Brian and Guerra Júnior, Augusto Afonso;
CORE (COnnecting REpositories)