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Effectiveness of stereotactic radiosurgery alone or in combination with whole brain radiotherapy compared to conventional surgery and/or whole brain radiotherapy for the treatment of one or more brain metastases: a systematic review and meta-analysis



Effectiveness of stereotactic radiosurgery alone or in combination with whole brain radiotherapy compared to conventional surgery and/or whole brain radiotherapy for the treatment of one or more brain metastases: a systematic review and meta-analysis



Cancer Treatment Reviews 32(3): 203-213



To assess the effectiveness of SRS alone or in combination with WBRT compared to surgery and/or WBRT in prolonging survival and improving the quality-of-life and functional status of patients with brain metastases. A meta-analysis of randomized controlled trials and concurrent cohort studies examining SRS versus SRS + WBRT, SRS versus WBRT +/- surgical resection, SRS versus surgical resection only, or SRS + WBRT versus WBRT was conducted. Trial registers, bibliographic databases, and reference lists from selected studies and recent issues of relevant journals were searched. Neuro-oncology specialists were also contacted. All studies were analyzed independently by two reviewers, applying validated critical appraisal techniques. The review identified three RCTs and one cohort study. Among patients with multiple metastases, no difference in survival between those treated with WBRT + SRS and those treated with WBRT was found. However, in patients with one metastasis, a statistically significant difference, favoring those treated with WBRT + SRS, was observed. Regarding local tumor control at 24 months, rates were significantly higher in the WBRT + SRS treatment arm, regardless of the number of metastases. Adding SRS to WBRT improves survival in patients with one brain metastasis. Combining SRS and WBRT improves local tumour control and functional independence in all patients.

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Accession: 048898878

Download citation: RISBibTeXText

PMID: 16472924

DOI: 10.1016/j.ctrv.2005.12.009


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