Browsing by Subject "nivelpsoriaasi"

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  • Teittinen, Panu (Helsingfors universitet, 2017)
    Psoriasis (Ps) and Psoriatic Arthritis (PsA) are chronic inflammatory diseases that are associated with profoundly impaired quality of life. Psoriasis is incurable and therefore the treatment aims to relieve patient's symptoms and improve the quality of life. Biologics are an efficacious treatment option for moderate-to-severe Ps and PsA but their relatively high costs limit their use. Health care resources are scarce and therefore economic evaluations provide crucial information for decision-makers. The objectives of this study was to determine 1) What is the incremental cost-effectiveness of biologics for moderate-to-severe Ps and PsA, and 2) What is the quality of cost-utility analyzes examining the subject. The theory section of this Master's thesis considers the current treatment alternatives for Ps and PsA and costs relating their use. The main principles and methodologies conducting economic evaluation and systematic review are also discussed in the theory section. The empirical section concerns the previous systematic reviews regarding the cost-effectiveness of biologics for the treatment of moderate-to-severe Ps and PsA, while also addressing the results of this systematic review and the quality of included cost-utility analyzes. 1425 references were found with the systematic literature search and 17 of them were included in this study. Eight articles concerned the cost-effectiveness of biologics for the treatment of Ps and nine articles for the treatment of PsA. All of the included studies used cost-utility modelling approach. Based on the results of this systematic review, biologics are cost-effective compared standard care for the treatment of severe Ps. Biologics are also cost-effective compared to the standard care for the treatment of moderate-to-severe PsA. However, future studies, independent of influence of pharmaceutical industry, are needed to confirm these results. The quality of cost-utility analyzes included in this study varied substantially. The main shortcomings related to reporting of the data included, modelling methodologies and the arguments for choosing the treatments compared. The strengths of this study are a comprehensive and systematic literature search, careful evaluation of included data and the transparency of methodologies. The main weaknesses relate to generalizability of the results and the possibility of biases. This study updates the current knowledge of cost-effectiveness of biologics for Ps and PsA, while providing a good foundation for the future studies to be conducted.