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Quality of Life Improvement in Patients Treated with Degarelix versus Leuprorelin for Advanced Prostate Cancer
BresMed, England.
BresMed, England.
BresMed, Netherlands.
Linköping University, Department of Medical and Health Sciences, Division of Health Care Analysis. Linköping University, Faculty of Health Sciences. Ferring Int PharmaScience Centre, Denmark. (Ctr Med Technol Assessment, Linkoping)
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2015 (English)In: Journal of Urology, ISSN 0022-5347, E-ISSN 1527-3792, Vol. 193, no 3, 839-846 p.Article in journal (Refereed) Published
Abstract [en]

Purpose: We used responses to questionnaires included in the CS21 degarelix trial and published mapping algorithms to address the paucity of evidence for health related quality of life in patients with advanced hormone dependent prostate cancer treated with degarelix. Materials and Methods: We measured health related quality of life in 610 patients enrolled in the CS21 trial using SF-12 (R) and EORTC QLQ-C30. Based on responses to these questionnaires we estimated patient utility using 4 published mapping algorithms. Utility was tested for relationships with aspects of the symptom and side effect burden that may be affected by degarelix treatment, that is prostate specific antigen progression and adverse events. Results: Average utility in patients without prostate specific antigen progression or an adverse event was 0.742, similar to previously published utilities for nonprogressed prostate cancer states. Prostate specific antigen progression was associated with a utility decrement of between 0.062 and 0.134 depending on the mapping algorithm used. Of adverse events considered in our analysis musculoskeletal events were associated with the greatest effects on patient utility with a decrement of between 0.029 and 0.086. The 4 mapping algorithms generated similar utility estimates, although values derived from SF-12 were consistently lower than those derived from EORTC QLQ-C30. Conclusions: Prostate specific antigen progression status and the incidence of treatment and disease related adverse events result in significant decrements to patient health related quality of life. By slowing prostate specific antigen progression degarelix may improve patient utility and the health related quality of life burden.

Place, publisher, year, edition, pages
Elsevier , 2015. Vol. 193, no 3, 839-846 p.
Keyword [en]
prostatic neoplasms; drug therapy; quality of life; cost-benefit analysis; questionnaires
National Category
Health Sciences
URN: urn:nbn:se:liu:diva-116517DOI: 10.1016/j.juro.2014.09.098ISI: 000349873300022PubMedID: 25264336OAI: diva2:798908

Funding Agencies|Ferring Pharmaceuticals A/S

Available from: 2015-03-27 Created: 2015-03-27 Last updated: 2015-03-27

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