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Early quality of life outcomes in patients with prostate cancer managed by high-dose-rate brachytherapy as monotherapy

, : Early quality of life outcomes in patients with prostate cancer managed by high-dose-rate brachytherapy as monotherapy. International Journal of Urology 20(2): 185-192

To evaluate the early quality of life outcomes in prostate cancer patients managed by high-dose-rate brachytherapy as monotherapy. A total of 51 patients with cT1c T3aN0M0 prostate cancer treated between July 2007 and January 2010 were included in this study. The average age was 69 years, and the average initial serum prostate-specific antigen was 10.98 ng/mL. A total of 25, 18 and eight patients were considered to be low, intermediate and high risk, respectively. All patients received one implant of Ir-192 and seven fractions of 6.5 Gy within 3.5 days for a total prescribed dose of 45.5 Gy. For high-risk prostate cancer, neoadjuvant androgen deprivation therapy was carried out for at least 6 months, and continued after high-dose-rate brachytherapy. Quality of life outcomes were measured by using the International Prostate Symptom Score, the Functional Assessment of Cancer Therapy-Prostate and the International Index of Erectile Function Questionnaire. The oncological outcome was assessed by serum prostate-specific antigen and diagnostic imaging. Adverse events were also recorded. The Functional Assessment of Cancer Therapy-Prostate scores decreased for a few months after high-dose-rate brachytherapy, and recovered to pretreatment condition thereafter. The International Prostate Symptom Score significantly increased 2 weeks after treatment for each of its items and their sum, and it returned to baseline after 12 weeks. Sexual function decreased at 2 and 4 weeks, and recovered after 12 weeks. Severe complications were rare. Within a median follow up of 17.2 months, two patients showed a prostate-specific antigen recurrence. High-dose-rate brachytherapy for prostate cancer is a feasible treatment modality with acceptable toxicity and only a limited impact on the quality of life.


PMID: 22905941

DOI: 10.1111/j.1442-2042.2012.03125.x

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