alexa A national study of adverse effects and global quality of life among candidates for curative treatment for prostate cancer.
Oncology

Oncology

Journal of Cancer Science & Therapy

Author(s): Kyrdalen AE, Dahl AA, Hernes E, Smstuen MC, Foss SD

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Abstract OBJECTIVES: To provide population-based estimates of typical adverse effects (AEs), e.g. urinary, bowel and sexual dysfunction, in patients with non-metastatic recurrence-free prostate cancer (PCa) by curative treatment method, including no treatment. To describe associations between typical AEs and global quality of life (QoL) and to study patients' use of medication for erectile dysfunction (EDmed) and the relationship between such use and global QoL. PATIENTS AND METHODS: In October 2006 a national population-based sample of PCa survivors diagnosed in 2004 was invited to a postal survey focusing on treatment-related AEs and global QoL, 12-32 months after treatment start. All had completed their initial treatment. In the present study, 771 compliers were categorized into four groups of localized or locally advanced PCa related to the treatment they completed: (i) no treatment; (ii) radical prostatectomy (RP); (iii) radiotherapy (RAD) without hormones; and (iv) RAD with hormone therapy of 3-24 months duration. Measurement of AEs was restricted to function, using selected items from the 50-item Expanded Prostate Cancer Index Composite and the Brief Sexual Function Inventory among others, whereas global QoL was measured with the 12-item short-form health survey. National prescription data enabled assessment of adjuvant hormone application and EDmed use. RESULTS: Men who had undergone RP reported more urinary incontinence (24\%) than the other treatment groups, but had the lowest level of moderate/severe urinary irritative-obstructive symptoms. Men from the 'no treatment' group had the highest level of moderate/severe irritative-obstructive urinary symptoms. Men who had undergone RAD reported higher levels of irritative intestinal symptoms and faecal leakage compared with the RP group and the no treatment group. In all treatment groups, poor sexual drive and poor erectile function were common AEs, with men treated with RP reporting the highest prevalence of poor erectile function (89\%). Presence of irritative-obstructive urinary symptoms and poor sexual drive were independently associated with low global QoL in multivariate analyses. Fifty percent of the study group had used EDmed after treatment start, but only 47\% of them were still using EDmed at the time of the survey. Use of EDmed was not significantly associated with global QoL. CONCLUSIONS: PCa survivors after curative treatment, but also patients without any anticancer therapy, report high levels of urinary and sexual AEs. Irritative-obstructive urinary symptoms and poor sexual drive were significantly associated with low global QoL, whereas erectile function and use of EDmed were not. © 2012 The Authors. BJU International © 2012 BJU International. This article was published in BJU Int and referenced in Journal of Cancer Science & Therapy

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