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Adjuvant radiotherapy after brain metastasectomy: analysis of consecutive cohort of 118 patients from real world practice
P. Fadrus, V. Vybihal, I. Roskova, I. Selingerova, M. Smrcka, R. Jancalek, J. Sana, O. Slaby, P. Pospisil, L. Hynkova, J. Garcic, R. Belanova, J. Kristek, A. Sprlakova-Pukova, Z. Mackerle, V. Juran, M. Sova, E. Neuman, H. Valekova, R. Lakomy, M....
Status not-indexed Language English Country Poland
Document type Journal Article
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PubMed
39165600
DOI
10.5603/rpor.99362
Knihovny.cz E-resources
- Publication type
- Journal Article MeSH
BACKGROUND: The aim of this retrospective study is to analyze a consecutive cohort of brain metastasis (BM) patients treated off clinical trials through combination of surgery and radiotherapy over the last 15 years in a tertiary neurooncology center. MATERIALS AND METHODS: All BM patients operated between 2007-2019 received adjuvant linac-based radiotherapy categorized to whole brain radiotherapy (WBRT) and tumor bed stereotactic radiotherapy. Survival outcomes and local control was analyzed. RESULTS: In total, 118 patients were enrolled, those with stereotactic radiotherapy (41%) had better baseline characteristics mirrored in longer overall survival (OS) [18 vs. 7.1 months, p < 0.001; hazard ratio (HR) 0.47, p = 0.004] with median follow-up of 58 months. Cumulative incidence for local, distant, and extracranial control was not significantly different between groups, with 12-month cumulative control of 22% vs. 18%, 44% vs. 29%, and 35% vs. 32% for stereotactic and WBRT group, respectively. WBRT was an independent factor for better distal brain control. CONCLUSIONS: Real world data demonstrating significantly better overall survival in patients treated with postoperative targeted radiotherapy compared with postoperative WBRT is presented, with no significant difference in cumulative incidence for local or distant brain control. The majority of patients with targeted radiotherapy had a fractionated dose schedule with outcomes comparable to single-dose radiation trials of postoperative targeted radiotherapy.
Department of Comprehensive Cancer Care Faculty of Medicine Masaryk University Brno Czech Republic
Department of Comprehensive Cancer Care Masaryk Memorial Cancer Institute Brno Czech Republic
Department of Neurosurgery Faculty of Medicine Masaryk University Brno Czech Republic
Department of Neurosurgery St Anne's University Hospital Brno Brno Czech Republic
Department of Neurosurgery University Hospital Brno Czech Republic
Department of Radiation Oncology Faculty of Medicine Masaryk University Brno Czech Republic
Department of Radiation Oncology Masaryk Memorial Cancer Institute Brno Czech Republic
Department of Radiology Masaryk Memorial Cancer Institute Brno Czech Republic
Faculty of Medicine Masaryk University Brno Czech Republic
Research Center for Applied Molecular Oncology Masaryk Memorial Cancer Institute Brno Czech Republic
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