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ISSN: 1689-832X
Journal of Contemporary Brachytherapy
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3/2018
vol. 10
 
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abstract:
Original paper

Hypofractionated external beam radiation therapy in combination with HDR boost for localized prostate cancer: patient reported quality of life outcomes

Tiffany M. Morgan
,
Robert H. Press
,
Patrick K. Cutrell
,
Chao Zhang
,
Zhengjia Chen
,
Sara Rahnema
,
Jaymin Jhaveri
,
Martin Sanda
,
John Pattaras
,
Pretesh Patel
,
Ashesh B. Jani
,
Peter J. Rossi

J Contemp Brachytherapy 2018; 10, 3: 211–217
DOI: https://doi.org/10.5114/jcb.2018.76980
Online publish date: 2018/06/30
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Purpose
There is limited data to support the use of hypofractionated external beam radiation (HypoF) in combination with high-dose-rate brachytherapy (HDR). We report our quality of life (QOL) outcomes when treating intermediate and high-risk prostate cancer patients with external beam radiation (EBRT) plus HDR.

Material and methods
The charts of 54 patients with localized adenocarcinoma of the prostate treated with standard fractionation (SF) or HypoF EBRT plus HDR boost at a single institution between 2012 and 2015 were reviewed. All patients completed the American Urological Association Symptom Score (AUASS) and Expanded Prostate Index for Prostate Cancer – Clinical Practice (EPIC-CP) quality of life assessments prior to treatment and completed at least one follow-up survey. Linear mixed models were performed to test for significant changes and differences in each outcome over time.

Results
There was no significant difference in AUA score (p = 0.98), incontinence (urge) and urinary irritation/obstruction scores (p = 0.81 and p = 0.62, respectively), and bowel QOL (p = 0.97) between the two dosing groups over time or at any discrete time point. For both groups, AUA scores peaked at 0-2 months before improving. Likewise, sexual function, vitality score, and QOL scores were also not significantly different between the dose groups over time (p = 0.59, p = 0.37, and p = 0.71, respectively). All QOL categories, except sexual function, trended toward baseline with increasing time from intervention.

Conclusions
Our study suggests HypoF EBRT can be delivered in combination with HDR for patients with ntermediate-risk and high-risk adenocarcinoma of the prostate without increasing toxicity compared to SF with an HDR boost.

keywords:

boost, brachytherapy, quality of life, HDR, prostate cancer

  
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