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Strahlenther Onkol. 2012 Oct;188(10):873-7. Epub 2012 Aug 25.

Benign painful elbow syndrome. First results of a single center prospective randomized radiotherapy dose optimization trial.

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  • 1Department of Radiation Oncology, University Hospital Erlangen, Universitätsstr. 27, 91054 Erlangen, Germany. oliver.ott@uk-erlangen.de

Abstract

BACKGROUND AND PURPOSE:

The goal of the present study was to evaluate the efficacy of two different dose-fractionation schedules for radiotherapy (RT) of patients with painful elbow syndrome.

PATIENTS AND METHODS:

Between February 2006 and February 2010, 199 consecutive evaluable patients were recruited for this prospective randomized trial. All patients received RT in orthovoltage technique. One RT course consisted of 6 single fractions/3 weeks. In case of insufficient remission of pain after 6 weeks a second radiation series was performed. Patients were randomly assigned to receive either single doses of 0.5 or 1.0 Gy. Endpoint was pain reduction. Pain was measured before, right after, and 6 weeks after RT by a visual analogue scale (VAS) and a comprehensive pain score (CPS).

RESULTS:

The overall response rate for all patients was 80% direct after and 91% 6 weeks after RT. The mean VAS values before, after and 6 weeks after treatment for the 0.5 and 1.0 Gy groups were 59.6 ± 20.2 and 55.7 ± 18.0 (p = 0.463), 32.1 ± 24.5 and 34.4 ± 22.5 (p = 0.256), and 27.0 ± 27.7 and 23.5 ± 21.6 (p = 0.818). The mean CPS before, after, and 6 weeks after treatment was 8.7 ± 2.9 and 8.1 ± 3.1 (p = 0.207), 4.5 ± 3.2 and 5.0 ± 3.4 (p = 0.507), 3.9 ± 3.6 and 2.8 ± 2.8 (p = 0.186), respectively. No statistically significant differences between the two single dose trial arms for early (p = 0.103) and delayed response (p = 0.246) were found.

CONCLUSION:

RT is an effective treatment option for the management of benign painful elbow syndrome. For radiation protection reasons the dose for a RT series is recommended not to exceed 3.0 Gy.

[PubMed - indexed for MEDLINE]
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