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Health-related quality of life in pain-free or mildly symptomatic patients with metastatic hormone-resistant prostate cancer following treatment with the specific endothelin A receptor antagonist zibotentan (ZD4054)
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Dawson, Nancy, Payne, Heather, Battersby, Clare, Taboada, Maria and James, Nicholas D. (2010) Health-related quality of life in pain-free or mildly symptomatic patients with metastatic hormone-resistant prostate cancer following treatment with the specific endothelin A receptor antagonist zibotentan (ZD4054). Journal of Cancer Research and Clinical Oncology, 137 (1). pp. 99-113. doi:10.1007/s00432-010-0864-1 ISSN 0171-5216.
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Official URL: http://dx.doi.org/10.1007/s00432-010-0864-1
Abstract
Purpose:
Zibotentan (ZD4054) is a specific endothelin A receptor antagonist in clinical development for the treatment of hormone-resistant prostate cancer (HRPC). In a Phase II trial in patients with pain-free or mildly symptomatic metastatic HRPC, zibotentan was well tolerated with a promising signal for prolonged overall survival compared with placebo. As part of this trial, the impact of zibotentan compared with placebo on health-related quality of life (HRQoL) was assessed.
Methods:
Patients were randomized to receive once-daily oral zibotentan 10 or 15 mg, or matching placebo. Patients were allocated to one of two questionnaires; the Functional Assessment of Cancer Therapy-Prostate (FACT-P) or the European Organization for Research and Treatment of Cancer Quality of Life Questionnaire (EORTC QLQ-C30), supplemented by PR25, specific for prostate cancer. Questionnaires were completed at baseline and every 4 weeks until disease progression when study treatment was discontinued.
Results:
Compliance with questionnaire completion was >90% (286 of 312 patients) of the intention-to-treat population at baseline. Of baseline completers who were available for assessment (i.e., had not clinically progressed), 89% (164 of 184) and 83% (73 of 88) completed questionnaires at 12 and 24 weeks, respectively. HRQoL scores from both questionnaires were high at baseline and remained high throughout the study, with scores being similar in the zibotentan and placebo groups. However, some floor and ceiling effects were seen in the EORTC QLQ-C30 questionnaire.
Conclusions:
High-baseline HRQoL scores were maintained throughout treatment with zibotentan. The FACT-P instrument was selected to further assess the impact of zibotentan on HRQoL in the Phase III clinical trial program.
Item Type: | Journal Article | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School > Health Sciences > Cancer Research Unit Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School > Health Sciences Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School |
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Journal or Publication Title: | Journal of Cancer Research and Clinical Oncology | ||||
Publisher: | Springer | ||||
ISSN: | 0171-5216 | ||||
Official Date: | 2010 | ||||
Dates: |
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Volume: | 137 | ||||
Number: | 1 | ||||
Page Range: | pp. 99-113 | ||||
DOI: | 10.1007/s00432-010-0864-1 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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