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Erectile function, incontinence, and other quality of life outcomes following proton therapy for prostate cancer in men 60 years old and younger.

Abstract：

BACKGROUND:This study sought to evaluate patient-reported health-related quality of life following proton therapy for prostate cancer in men ≤ 60 years old. METHODS:Between August 2006 and January 2010, 262 hormone-naive men ≤ 60 years old were treated with definitive proton therapy for prostate cancer. Before treatment and every 6 months after treatment, patients filled out the Expanded Prostate Index Composite (EPIC) and the International Index of Erectile Function (IIEF) questionnaires. Potency was defined as successful sexual intercourse in the prior month or an EPIC sexual summary (SS) score ≥ 60. RESULTS:Median follow-up was 24 months; 90% of men completed follow-up EPIC forms within the last year. For EPIC urinary, bowel, and hormone subscales, the average decline from baseline to 2 years was ≤5 points, except for bowel function (5.2 points). SS scores declined 12.6 points after 2 years. Potency rates declined by 11% from baseline at 2 years, but 94% of men were potent with a baseline IIEF > 21, body mass index < 30, and no history of diabetes. At 2 years after treatment, only 1.8% of men required a pad for urge incontinence. On multivariate analysis, factors associated with a significant decline in SS score were mean penile bulb dose ≥40 cobalt Gy equivalents (P = .012) and radiation dose ≥ 80 cobalt Gy equivalents (P = .017); only diabetes was significantly associated with impotence (P = .015). CONCLUSIONS:Young men undergoing proton therapy for treatment of prostate cancer have excellent outcomes with respect to erectile dysfunction, urinary incontinence, and other health-related quality of life parameters during the first 2 years after treatment. Longer follow-up is needed to confirm these findings.

journal_name

Cancer

journal_title

Cancer

authors

Hoppe BS,Nichols RC,Henderson RH,Morris CG,Williams CR,Costa J,Marcus RB Jr,Mendenhall WM,Li Z,Mendenhall NP

doi

10.1002/cncr.27398

subject

Has Abstract

pub_date

2012-09-15 00:00:00

pages

4619-26

issue

eissn

0008-543X

issn

1097-0142

journal_volume

118

pub_type

杂志文章

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Erectile function, incontinence, and other quality of life outcomes following proton therapy for prostate cancer in men 60 years old and younger.