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Updated: Jul 18, 2026
Modeling Primary Bone Tumors and Bone Metastasis with Solid Tumor Graft Implantation into Bone
Published on: September 9, 2020
Palliative radiotherapy: New prognostic factors for patients with bone metastasis
I N Steinvoort-Draat1, L Otto-Vollaard1, S Quint1
1Department of radiotherapy, Erasmus MC Cancer Institute, Postbus 2040, 3000 CA Rotterdam, The Netherlands.
Purpose:
Many cancer patients develop bone metastases, however the prognosis of overall survival differs. To provide an optimal treatment for these patients, especially towards the end of life, a reliable prediction of survival is needed. The goal of this study was to find new clinical factors in relation to overall survival.
Materials And Methods:
Prospectively 22 clinical factors were collected from 734 patients. The Kaplan-Meier and Cox regression models were used.
Results:
Most patients were diagnosed with lung cancer (29%), followed by prostate (19.8%) and breast cancer (14.7%). Median overall survival was 6.4months. Fourteen clinical factors showed significance in the univariate analyses. In the multivariate analyses 6 factors were found to be significant for the overall survival: Karnofsky performance status, primary tumor, gender, total organs affected, morphine use and systemic treatment options after radiotherapy.
Conclusion:
Morphine use and systemic treatment options after radiotherapy, Karnofsky performance status, primary tumor, gender and total organs affected are strong prediction factors on overall survival after palliative radiotherapy in patients with bone metastasis. These factors are easily applicable in the clinic.
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