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- W2023246997 abstract "Purpose/Objective: Although prostate cancer often has a relatively good prognosis in terms of mortality, many unanswered questions remain about the morbidity of this disease and its treatment. While a great number of studies have examined health-related quality of life (QOL) following the treatment of prostate cancer, the vast majority of these studies are retrospective or cross-sectional in nature. This research design is not optimal for the analysis of QOL in patients treated for prostate cancer due to significant baseline sexual, urinary, or bowel dysfunction in this cohort. For this reason, prospective studies are much more effective at measuring the QOL in men treated for prostate cancer as they will be more sensitive to changes caused by the cancer or its treatment. This study reports a prospective QOL assessment in patients treated with adjuvant radiotherapy (RT) and two years of androgen suppression (AS) with buserelin acetate for positive surgical margins or persistently elevated PSA in the post-operative period. Given the likelihood that many of these patients will be long term survivors, the QOL implications of this combined therapy are of paramount importance. Materials/Methods: A total of 83 patients were enrolled between 1998 and 2002. QOL data was collected prospectively as a part of a phase II study designed to evaluate the efficacy of combined, sequential, adjuvant RT followed by 2-year AS. All patients had either positive surgical margins or persistently elevated PSA levels after radical prostatectomy. None of the patients had previous hormonal therapy, previous pelvic radiation therapy, or evidence of nodal metastasis on CT. Also, all patients had a negative bone scan, and were not on concurrent cytotoxic medication. Patients completed the EORTC QLQ-C30 questionnaire with the added EORTC prostate cancer module at baseline and at pre-defined follow-up visits. Major QOL domains examined were global health status, erectile function, bowel function, urinary function, as well as the functional and symptom scales of the EORTC QLQ-C30 which include: physical functioning, role functioning, emotional functioning, cognitive functioning, social functioning, fatigue, nausea and vomiting, pain, dyspnoea, insomnia, appetite loss, constipation, diarrhea and financial difficulties. Results: A large decline in bowel function (22%) was observed at the end of RT that was both statistically and clinically significant. Bowel function returned to baseline during AS. There was a decline in global health status and an increase in pain at the end of RT that resolved during AS. While statistically significant, this change was of minor clinical significance. Patients also developed insomnia during AS that was of minor clinical significance and improved during the second year of AS. Interestingly, there was no significant change in either erectile function or urinary function at any time point. None of the other QOL domains of the EORTC QLQ-C30 demonstrated any significant change during either RT or AS compared to the baseline measurement taken at enrollment. Conclusions: Combined adjuvant radiotherapy and androgen suppression following radical prostatectomy results in only a minimal decrease in health-related quality of life compared to the post operative baseline that is worst immediately following RT and improves during AS." @default.
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- W2023246997 date "2005-10-01" @default.
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- W2023246997 title "Quality of Life After Combined Postoperative Adjuvant Radiotherapy and Androgen Suppression for Adenocarcinoma of the Prostate" @default.
- W2023246997 doi "https://doi.org/10.1016/j.ijrobp.2005.07.135" @default.
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