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Cytokine. 2013 Mar;61(3):755-8. doi: 10.1016/j.cyto.2013.01.013. Epub 2013 Feb 14.

Role of serum concentration of VEGFR1 and TIMP2 on clinical outcome in primary cervical cancer: results of a companion protocol of the randomized, NOGGO-AGO phase III adjuvant trial of simultaneous cisplatin-based radiochemotherapy vs. carboplatin and paclitaxel containing sequential radiotherapy.

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1
Department of Gynecology, Campus Virchow Klinikum, Charité Medical University Berlin, Augustenburger Platz 1, 13353 Berlin, Germany. ioana@braicu.de

Abstract

OBJECTIVE:

Aim of the present study was to analyze the expression-profile of IGF1, IGFBP3, sICAM1, sVCAM1, MMP2, MMP9, TIMP2, VEGFA, VEGFD, VEGFC and VEGFR1 in patients with high-risk FIGO-stage Ib-IIb cervical cancer.

METHODS:

Serum from 68 cervical cancer patients treated within a phase-III-trial with either simultaneous cisplatin radiochemotherapy or sequential systemic carboplatin and paclitaxel followed by percutaneous irradiation was analyzed by ELISA. Both target expression and correlation with important clinicopathological factors were analyzed following standard statistic procedures.

RESULTS:

All 68 patients underwent a primary radical hysterectomy with pelvic and/or paraaortic lymphadenectomy. 85.3% of the extirpated tumors had clear surgical margins (R0). Increased levels of VEGFR1, TIMP2 and MMP2 were significantly associated with positive surgical margins (p=0.004, p=0.018 and p=0.004, respectively). High concentration of MMP2 and TIMP2 correlated additionally with an advanced age at time of diagnosis (p=0.001 and p=0.007, respectively). For the cut-off value of 100 pg/ml, an increased VEGFR1 was significantly associated with poor overall (OS) and progression-free (PFS) survival (p=0.017 and p=0.015, respectively). A TIMP2 concentration of lower than 90 ng/ml was significantly associated with poorer OS and PFS (p=0.009 and p=0.043, respectively). In the multivariate analysis, TIMP2 expression in serum was the only independent prognostic factor for OS (p=0.032, HR=6.51, 95% CI=1.17-36.01).

CONCLUSIONS:

Expression-profile of specific biomarkers associated with tumor invasion, cell migration and angiogenesis seems to be of prognostic value for both OS and PFS in patients undergoing surgery due to primary cervical cancer. Further analyses are warranted to allow an implementation of such markers into clinical practice.

PMID:
23415672
DOI:
10.1016/j.cyto.2013.01.013
[Indexed for MEDLINE]
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