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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-50526

Wick, A; Dörner, N; Schäfer, N; Hofer, S; Heiland, S; Schemmer, D; Platten, M; Weller, M; Bendszus, M; Wick, W (2011). Bevacizumab does not increase the risk of remote relapse in malignant glioma. Annals of Neurology, 69(3):586-592.

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Preclinical evidence and uncontrolled clinical studies suggest an increased risk for distant spread and development of a gliomatosislike phenotype at recurrence or progression of malignant glioma patients treated with bevacizumab (BEV), an antibody to vascular endothelial growth factor (VEGF). Here we asked whether BEV treatment of recurrent malignant glioma increases the risk of distant or diffuse tumor spread at further recurrence. BEV-treated patients were compared with matched pairs of patients treated without anti-VEGF regimens. T1 contrast-enhanced (T1+c) and fluid-attenuated inversion recovery (FLAIR) images were analyzed using a novel automated tool of image analysis. At the start of the study, 20.5% of BEV-treated and 22.7% of non-BEV-treated patients had displayed distant or diffuse recurrence. Distant or diffuse recurrences were observed in 22% (BEV) and 18% (non-BEV) on T1+c and in 25% and 18% on FLAIR (p > 0.05). The correlation between changes on T1+c and FLAIR at progression was high. The risk of distant or diffuse recurrence at the time of failure of BEV-containing treatments was not higher than with anti-VEGF-free regimens, arguing against a specific property of BEV that promotes distant tumor growth or a gliomatosislike phenotype at recurrence.

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Clinic for Neurology
DDC:610 Medicine & health
Deposited On:04 Nov 2011 08:29
Last Modified:27 Nov 2013 19:26
Publisher DOI:10.1002/ana.22336
PubMed ID:21446027
Citations:Web of Science®. Times Cited: 36
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Scopus®. Citation Count: 39

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