Expression of drug targets in patients treated with sorafenib, carboplatin and paclitaxel.

Expression of drug targets in patients treated with sorafenib, carboplatin and paclitaxel.
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DOI:
10.1371/journal.pone.0069748
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发表时间:
2013
期刊:
影响因子:
3.7
通讯作者:
Kluger HM
Kluger HM
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Jilaveanu LB;Zhao F;Zito CR;Kirkwood JM;Nathanson KL;D'Andrea K;Wilson M;Rimm DL;Flaherty KT;Lee SJ;Kluger HM

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Sorafenib, a multitarget kinase inhibitor, targets members of the mitogen-activated protein kinase (MAPK) pathway and VEGFR kinases. Here we assessed the association between expression of sorafenib targets and biomarkers of taxane sensitivity and response to therapy in pre-treatment tumors from patients enrolled in ECOG 2603, a phase III comparing sorafenib, carboplatin and paclitaxel (SCP) to carboplatin, paclitaxel and placebo (CP). Using a method of automated quantitative analysis (AQUA) of in situ protein expression, we quantified expression of VEGF-R2, VEGF-R1, VEGF-R3, FGF-R1, PDGF-Rβ, c-Kit, B-Raf, C-Raf, MEK1, ERK1/2, STMN1, MAP2, EB1 and Bcl-2 in pretreatment specimens from 263 patients. An association was found between high FGF-R1 and VEGF-R1 and increased progression-free survival (PFS) and overall survival (OS) in our combined cohort (SCP and CP arms). Expression of FGF-R1 and VEGF-R1 was higher in patients who responded to therapy ((CR+PR) vs. (SD+PD+ un-evaluable)). In light of the absence of treatment effect associated with sorafenib, the association found between FGF-R1 and VEGF-R1 expression and OS, PFS and response might reflect a predictive biomarker signature for carboplatin/paclitaxel-based therapy. Seeing that carboplatin and pacitaxel are now widely used for this disease, corroboration in another cohort might enable us to improve the therapeutic ratio of this regimen.
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索拉非尼靶标在用卡铂,紫杉醇和索拉非尼治疗的黑色素瘤患者中的表达。
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发表时间: 2009-02-01
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影响因子: --
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