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Clinical Trial Summary

It is the study hypothesis that hypo-fractionated image-guided radiosurgery significantly improves pain relief compared to historic data of conventionally fractionated radiotherapy. Primary endpoint is pain response 3 months after radiosurgery, which is defined as pain reduction of ≥2 points at the treated vertebral site on the 0 to 10 Visual Analogue Scale. 60 patients will be included into this II trial.


Clinical Trial Description

The current study will investigate efficacy and safety of radiosurgery for painful vertebral metastases and three characteristics will distinguish this study.

1. A prognostic score for overall survival will be used for selection of patients with longer life expectancy to allow for analysis of long-term efficacy and safety.

2. Fractionated radiosurgery will be performed with the number of treatment fractions adjusted to either good (10 fractions) or intermediate (5 fractions) life expectancy. Fractionation will allow inclusion of tumors immediately abutting the spinal cord due to higher biological effective doses at the tumor - spinal cord interface compared to single fraction treatment.

3. Dose intensification will be performed in the involved parts of the vertebrae only, while uninvolved parts are treated with conventional doses using the simultaneous integrated boost concept. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT01594892
Study type Interventional
Source Wuerzburg University Hospital
Contact
Status Completed
Phase N/A
Start date April 2012
Completion date July 2017

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