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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 J+Clin+Oncol
2015 ; 33
(10
): 1197-213
Nephropedia Template TP
gab.com Text
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Twit Text #
English Wikipedia
Lessons from anti-vascular endothelial growth factor and anti-vascular
endothelial growth factor receptor trials in patients with glioblastoma
#MMPMID25713439
Lu-Emerson C
; Duda DG
; Emblem KE
; Taylor JW
; Gerstner ER
; Loeffler JS
; Batchelor TT
; Jain RK
J Clin Oncol
2015[Apr]; 33
(10
): 1197-213
PMID25713439
show ga
Treatment of glioblastoma (GBM), the most common primary malignant brain tumor in
adults, remains a significant unmet need in oncology. Historically, cytotoxic
treatments provided little durable benefit, and tumors recurred within several
months. This has spurred a substantial research effort to establish more
effective therapies for both newly diagnosed and recurrent GBM. In this context,
antiangiogenic therapy emerged as a promising treatment strategy because GBMs are
highly vascular tumors. In particular, GBMs overexpress vascular endothelial
growth factor (VEGF), a proangiogenic cytokine. Indeed, many studies have
demonstrated promising radiographic response rates, delayed tumor progression,
and a relatively safe profile for anti-VEGF agents. However, randomized phase III
trials conducted to date have failed to show an overall survival benefit for
antiangiogenic agents alone or in combination with chemoradiotherapy. These
results indicate that antiangiogenic agents may not be beneficial in unselected
populations of patients with GBM. Unfortunately, biomarker development has lagged
behind in the process of drug development, and no validated biomarker exists for
patient stratification. However, hypothesis-generating data from phase II trials
that reveal an association between increased perfusion and/or oxygenation (ie,
consequences of vascular normalization) and survival suggest that early imaging
biomarkers could help identify the subset of patients who most likely will
benefit from anti-VEGF agents. In this article, we discuss the lessons learned
from the trials conducted to date and how we could potentially use recent
advances in GBM biology and imaging to improve outcomes of patients with GBM who
receive antiangiogenic therapy.
|Angiogenesis Inhibitors/*therapeutic use
[MESH]
|Antibodies, Monoclonal, Humanized/therapeutic use
[MESH]
|Bevacizumab
[MESH]
|Biomarkers, Tumor/metabolism
[MESH]
|Brain Neoplasms/*drug therapy/metabolism
[MESH]
|Clinical Trials as Topic
[MESH]
|Glioblastoma/*drug therapy/metabolism
[MESH]
|Humans
[MESH]
|Protein Kinase Inhibitors/*therapeutic use
[MESH]