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External Pelvic and Vaginal Irradiation Versus Vaginal Irradiation Alone as Postoperative Therapy in Medium-Risk Endometrial Carcinoma A Prospective, Randomized Study-Quality-of-Life Analysis
Umeå University, Faculty of Medicine, Department of Radiation Sciences, Oncology.
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2012 (English)In: International Journal of Gynecological Cancer, ISSN 1048-891X, E-ISSN 1525-1438, Vol. 22, no 7, 1281-1288 p.Article in journal (Refereed) Published
Abstract [en]

Background: A combination of vaginal brachytherapy and external beam radiotherapy was compared with brachytherapy alone in medium-risk endometrial carcinomas. Quality-of-life analysis is an important part of a randomized study to find out the optimal adjuvant treatment for this group of patients. Objective: To evaluate the value of adjuvant external beam pelvic radiotherapy in adjunct to vaginal brachytherapy in medium-risk endometrial carcinoma. Quality-of-life evaluation is the main topic of this report. Methods: A consecutive series of 527 evaluable patients were included in this randomized trial. Median follow-up for patients alive was 62 months. The primary study end points were locoregional recurrences and overall survival. Secondary end points were recurrence-free survival, toxicity, and quality-of-life. European Organization for Research and Treatment of Cancer QLQ-C30 and QLQ-OV28 modules were used to evaluate global health status, functional scales, and symptom scales. Results: Five-year locoregional relapse rates were 1.5% after external beam (ERT) plus vaginal irradiation (VBT) and 5% after vaginal irradiation alone (P = 0.013), and 5-year overall survival (OS) rates were 89% and 90%, respectively. External beam radiotherapy was associated with a higher rate of adverse effects from the intestine and the bladder, and quality-of-life parameters deteriorated at the end of radiotherapy but recovered to normal levels within a few months. There was a significant difference in favor of VBT alone with regard to adverse effects of the bowel and urinary tract, and quality-of-life. Conclusions: Despite a significant locoregional control benefit with combined radiotherapy, no survival improvement was recorded; but increased late toxicity from the intestine and the bladder. External beam irradiation decreased global health status during and after treatment, and 3 functional scale items (physical, role, and social). Six of 11 symptom items showed a pattern favoring vaginal brachytherapy alone.

Place, publisher, year, edition, pages
Philadelphia: Lippincott Williams & Wilkins, 2012. Vol. 22, no 7, 1281-1288 p.
Keyword [en]
Endometrial cancer, Medium-risk group, Postoperative radiotherapy, Quality-of-life
National Category
Cancer and Oncology Obstetrics, Gynecology and Reproductive Medicine
Identifiers
URN: urn:nbn:se:umu:diva-60065DOI: 10.1097/IGC.0b013e3182643ba0ISI: 000308216600030OAI: oai:DiVA.org:umu-60065DiVA: diva2:559424
Available from: 2012-10-09 Created: 2012-10-01 Last updated: 2017-12-07Bibliographically approved

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