Outcomes and costs of treating chronic obstructive pulmonary disease with inhaled fixed combinations: the Italian perspective of the PATHOS study
Alessandro Roggeri,1 Claudio Micheletto,2 Daniela Paola Roggeri1
1ProCure Solutions, Bergamo, Italy; 2Respiratory Unit, Mater Salutis Hospital, Legnago, Verona, Italy
Purpose: Fixed-dose combinations of inhaled corticosteroids and long-acting ß2-agonists have proven to prevent and reduce chronic obstructive pulmonary disease (COPD) exacerbations. The aim of this analysis was to explore the clinical consequences and direct health care costs of applying the findings of the PATHOS (An Investigation of the Past 10 Years Health Care for Primary Care Patients with Chronic Obstructive Pulmonary Disease) study to the Italian context.
Patients and methods: Effectiveness data from the PATHOS study, a population-based, retrospective, observational registry study conducted in Sweden, in terms of reduction in COPD and pneumonia-related hospitalizations, were considered, in order to estimate the differences in resource consumption between patients treated with budesonide/formoterol and fluticasone/salmeterol. The base case considers the average dosages of the two drugs reported in the PATHOS study and the actual public price in charges to the Italian National Health Service, while the difference in hospitalization rates reported in the PATHOS study was costed based on Italian real-world data.
Results: The PATHOS study demonstrated a significant reduction in COPD hospitalizations and pneumonia-related hospitalizations in patients treated with budesonide/formoterol versus fluticasone/salmeterol (-29.1% and -42%, respectively). In the base case, the treatment of a patient for 1 year with budesonide/formoterol led to a saving of €499.90 (€195.10 for drugs, €193.10 for COPD hospitalizations, and €111.70 for pneumonia hospitalizations) corresponding to a -27.6% difference compared with fluticasone/salmeterol treatment.
Conclusion: Treatment of COPD with budesonide/formoterol compared with fluticasone/salmeterol could lead to a reduction in direct health care costs, with relevant improvement in clinical outcomes.
Keywords: disease management, pharmacoeconomics, direct health care costs, hospitalizations
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