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|Identification of TNF-alpha and MMP-9 as potential baseline predictive serum markers of sunitinib activity in patients with renal cell carcinoma using a human cytokine array|
|Authors: ||Perez-Gracia, J.L. (José Luis)|
Prior, C. (Celia)
Guillen-Grima, F. (Francisco)
Segura, V. (Víctor)
Gonzalez, A. (Álvaro)
Panizo, A. (Ángel)
Melero, I. (Ignacio)
Grande-Pulido, E. (E.)
Gurpide, A. (Alfonso)
Gil-Bazo, I. (Ignacio)
Calvo, A. (Alfonso)
Renal cell carcinoma
Selection of extreme phenotypes
|Issue Date: ||2009|
|Publisher: ||Nature Publishing Group|
|Publisher version: ||http://www.nature.com/bjc/journal/v101/n11/full/6605409a.html|
|Citation: ||Perez-Gracia JL, Prior C, Guillen-Grima F, Segura V, Gonzalez A, Panizo A, et al. Identification of TNF-alpha and MMP-9 as potential baseline predictive serum markers of sunitinib activity in patients with renal cell carcinoma using a human cytokine array. Br J Cancer 2009 Dec 1;101(11):1876-1883.|
Several drugs are available to treat metastatic renal-cell carcinoma (MRCC), and predictive markers to identify the most adequate treatment for each patient are needed. Our objective was to identify potential predictive markers of sunitinib activity in MRCC.
We collected sequential serum samples from 31 patients treated with sunitinib. Sera of six patients with extreme phenotypes of either marked responses or clear progressions were analysed with a Human Cytokine Array which evaluates 174 cytokines before and after treatment. Variations in cytokine signal intensity were compared between both groups and the most relevant cytokines were assessed by ELISA in all the patients.
Twenty-seven of the 174 cytokines varied significantly between both groups. Five of them (TNF-alpha, MMP-9, ICAM-1, BDNF and SDF-1) were assessed by ELISA in 21 evaluable patients. TNF-alpha and MMP-9 baseline levels were significantly increased in non-responders and significantly associated with reduced overall survival and time-to-progression, respectively. The area under the ROC curves for TNF-alpha and MMP-9 as predictive markers of sunitinib activity were 0.83 and 0.77.
Baseline levels of TNF-alpha and MMP-9 warrant further study as predictive markers of sunitinib activity in MRCC. Selection of patients with extreme phenotypes seems a valid method to identify potential predictive factors of response.
|Permanent link: ||http://hdl.handle.net/10171/21784|
|Appears in Collections:||DA - Medicina - Oncología - Artículos de revista|
DA - CIMA - Oncología - Nuevas dianas terapéuticas - Artículos de revista
DA - Medicina - Medicina Interna - Artículos de revista
DA - CIMA - Terapia génica y Hepatología - Inmunología terapia génica - Artículos de revista
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