Resumo

CRUZ GUERRA, Nicolás Alberto. Outcomes of maximal androgen blockade in prostate cancer patients at a health area with type 2 reference hospital (2nd part). quality of life: application of EORTC QLQ-PR25 instrument and global results. Quality-of-life adjusted survival. Pharmaceutical expenses and cost-utility. Arch. Esp. Urol. [online]. 2009, vol.62, n.7, pp.543-570. ISSN 0004-0614.

Objectives: To study quality of life in patients from the health area of Zamora diagnosed of prostate adenocarcinoma between 2000-2005 treated with maximal androgen blockade (MAB). To evaluate the pharmacoeconomics of the treatment. Methods: Basal, 12-month, 24 -month and 36-month application of the health-related quality of life measurement instrument EORTC QLQ-C30 to the population sample (n= 111), as well as a control sample (n= 100). Comparative study of outcomes: between groups; between different time measurements in MAB patients; and inter-categories/-intervals of some variables in patients with hormonal deprivation therapy (third year of follow-up). Analysis of health-related quality of life global outcomes (QLQ-C30 + QLQ-PR25). Description of the pharmaceutical expenses in androgen blockade patients. Cost-utility analysis by means of quality-adjusted life years (QALYs) obtained using preference-based weighted index from the EUROQOL 5-D tool. Results: Hot flushes and sexual field worsening as mean expressions related to hormonal suppression. Treated patients had worse subjective perception of health condition and quality of life, in opposition to non-tumoral individuals. Positive bone scan, was a negative-influence factor on quality of life. Most patients undergoing MAB needed cost-utility figures of less than 5000 Euros/ QALY. Conclusions: There was a negative initial repercussion of MAB on quality of life, although tinged according to the different fields studied. The economic impact of this therapy on overall pharmaceutical expenses is relative.

Palavras-chave : Prostate cancer; Hormonal therapy; Quality of life; Health economics.

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