Abstract
Introduction: Prostate cancer is one of the most common malignancies among men worldwide. Prostate-specific antigen (PSA) screening shows uncertain benefits and harms from clinical and economic perspectives, resulting in an important impact on healthcare systems. Because of nonstandardized studies and substantial differences among populations, data are still inconclusive. ObjectiveThe objective of this study was to carry out long-term cost-effectiveness and cost-utility analysis on the PSA-screened population from the service provider’s perspective in the Brazilian population. MethodsWe performed a cost-effectiveness and cost-utility analysis using clinical outcomes obtained from 9692 men enrolled in the PSA screening program. Prostate cancer treatments, 5-year follow-up outcomes, and all related costs were examined. Data were compared with a nonscreened prostate cancer population to calculate incremental cost-effectiveness ratio (ICER) and incremental cost-utility ratio (ICUR). ICER and ICUR were compared with the Brazilian-established willingness-to-pay (WTP) threshold (WTP = R$ 114 026.55). ResultsA total of 251 of 9692 men had a diagnosis of prostate cancer (2.6%), of which 90% had localized disease. Two hundred and five patients were treated as follows: surgery (45.37%); radiation therapy (11.22%); radiation plus androgen deprivation therapy (21.95%); active surveillance (13.17%); exclusive androgen deprivation therapy (7.32%); and watchful waiting (0.98%). Two simulated cohorts were compared based on screening and nonscreening groups. Values obtained were—ICER of R$ 44 491.39 per life saved and ICUR of R$ 10 851.56 per quality-adjusted life year (QALY) gained—below the Brazilian WTP threshold and showed cost-effectiveness and cost-utility advantages. ConclusionAccording to the Brazilian WTP, PSA screening is a cost-effective policy from a hospital and long-term perspective and should have more standardized studies developed in different populations and economies.
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