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Author (up) Azoulay, M.; Santos, F.; Shenouda, G.; Petrecca, K.; Oweida, A.; Guiot, M.C.; Owen, S.; Panet-Raymond, V.; Souhami, L.; Abdulkarim, B.S. url  doi
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  Title Benefit of re-operation and salvage therapies for recurrent glioblastoma multiforme: results from a single institution Type Journal Article
  Year 2017 Publication Journal of Neuro-Oncology Abbreviated Journal J Neurooncol  
  Volume 132 Issue 3 Pages 419-426  
  Keywords Bevacizumab; Glioblastoma; Radiation; Recurrence; Surgery; Temozolomide  
  Abstract The optimal management of recurrent glioblastoma (GBM) has yet to be determined. We aim to assess the benefits of re-operation and salvage therapies (chemotherapy and/or re-irradiation) for recurrent GBM and to identify prognostic factors associated with better survival. All patients who underwent surgery for GBM between January 2005 and December 2012 followed by adjuvant radiotherapy, and who developed GBM recurrence on imaging were included in this retrospective study. Univariate and multivariate analysis was performed using Cox models in order to identify factors associated with overall survival (OS). One hundred and eighty patients treated to a dose of 60 Gy were diagnosed with recurrent GBM. At a median follow-up time of 6.2 months, the median survival (MS) from time of recurrence was 6.6 months. Sixty-nine patients underwent repeat surgery for recurrence based on imaging. To establish the benefits of repeat surgery and salvage therapies, 68 patients who underwent repeat surgery were matched to patients who did not based on extent of initial resection and presence of subventricular zone involvement at recurrence. MS for patients who underwent re-operation was 9.6 months, compared to 5.3 months for patients who did not have repeat surgery (p < 0.0001). Multivariate analysis in the matched pairs confirmed that repeat surgery with the addition of other salvage treatment can significantly affect patient outcome (HR 0.53). Re-operation with additional salvage therapies for recurrent GBM provides survival prolongation at the time of progression.  
  Address Department of Oncology, Division of Radiation Oncology, Cedars Cancer Centre, McGill University Health Centre, 1001 Decarie Boulevard, Montreal, QC, H4A 3J1, Canada. bassam.abdulkarim@mcgill.ca  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0167-594X ISBN Medium  
  Area Expedition Conference  
  Notes PMID:28374095 Approved no  
  Call Number ref @ user @ Serial 96599  
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