A new survival score for patients with brain metastases who received whole-brain radiotherapy (WBRT) alone

Dirk Rades, Liesa Dziggel, Viorica Nagy, Barbara Šegedin, Radka Lohynska, Theo Veninga, Mai T. Khoa, Ngo T. Trang, Steven E. Schild

Research output: Contribution to journalArticlepeer-review

39 Scopus citations

Abstract

Background and purpose Survival scores for patients with brain metastasis exist. However, the treatment regimens used to create these scores were heterogeneous. This study aimed to develop and validate a survival score in homogeneously treated patients. Materials and methods Eight-hundred-and-eighty- two patients receiving 10 × 3 Gy of WBRT alone were randomly assigned to a test group (N = 441) or a validation group (N = 441). In the multivariate analysis of the test group, age, performance status, extracranial metastasis, and systemic treatment prior to WBRT were independent predictors of survival. The score for each factor was determined by dividing the 6-month survival rate (in %) by 10. Scores were summed and total scores ranged from 6 to 19 points. Patients were divided into four prognostic groups. Results The 6-month survival rates were 4% for 6-9 points, 29% for 10-14 points, 62% for 15-17 points, and 93% for 17-18 points (p < 0.001) in the test group. The survival rates were 3%, 28%, 54% and 96%, respectively (p < 0.001) in the validation group. Conclusions Since the 6-month survival rates in the validation group were very similar to the test group, this new score (WBRT-30) appears valid and reproducible. It can help making treatment choices and stratifying patients in future trials.

Original languageEnglish (US)
Pages (from-to)123-127
Number of pages5
JournalRadiotherapy and Oncology
Volume108
Issue number1
DOIs
StatePublished - Jul 1 2013

Keywords

  • Brain metastases
  • Prognostic score
  • Survival
  • Validation
  • Whole-brain radiotherapy

ASJC Scopus subject areas

  • Hematology
  • Oncology
  • Radiology Nuclear Medicine and imaging

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