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Erschienen in: Journal of Gastrointestinal Cancer 2/2020

20.06.2019 | Original Research

The Prognostic Value of Serum Semaphorin3A and VEGF Levels in Patients with Metastatic Colorectal Cancer

verfasst von: Tuba Karpuz, Murat Araz, Levent Korkmaz, Ibrahim Kılınc, Sidika Findik, Mustafa Karaagaç, Melek Karakurt Eryilmaz, Mehmet Artac

Erschienen in: Journal of Gastrointestinal Cancer | Ausgabe 2/2020

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Abstract

Purpose

Despite new treatment options in metastatic colorectal cancer (mCRC), new prognostic markers are still needed to determine optimal chemoregimen especially for anti-angiogenesis drugs. In this study, we evaluated the serum semaphorin and VEGF-A levels as prognostic factors in patients with mCRC.

Methods

Patients with diagnosed mCRC who were treated with first-line bevacizumab plus chemotherapy were included in the study. Venous blood samples of 37 patients with metastatic colon cancer were taken, and serum semaphorin 3A and VEGF-A levels were studied in pre-treatment and the 1st and third months after the treatment was initiated.

Results

Totally, 37 patients were enrolled in the study. The patients’ mean age was 62 years. Twenty-eight (49%) of the patients were male, and 19 (51%) were female. Serum semaphorin3A (sema3A) levels of the patients were 5.4 ± 7.4 ng/ml before the treatment, 3.5 ± 3.3 ng/ml at the first month, and 3.5 ± 3.7 ng/ml at the third month. Serum VEGF-A levels were 27.7 ± 32.9 ng/l before the treatment, 23.1 ± 28.1 ng/l at the first month, and 28.9 ± 30.2 ng/l at the third month. There was no significant correlation between the survival and pre-treatment VEGF-A level (p = 0.064). Overall survival (OS) was statistically significantly higher in patients with pre-treatment semaphorin 3A levels below 5.4 ng/ml than higher than 5.4 ng/ml (10.5 months vs 4.5 months, respectively, HR 0.23, 95% CI 19.635–11,391, p = 0.012).

Conclusion

Pre-treatment semaphorin 3A level can be a prognostic marker for the mCRC patients who were treated with bevacizumab in patients with metastatic colorectal cancer.
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Metadaten
Titel
The Prognostic Value of Serum Semaphorin3A and VEGF Levels in Patients with Metastatic Colorectal Cancer
verfasst von
Tuba Karpuz
Murat Araz
Levent Korkmaz
Ibrahim Kılınc
Sidika Findik
Mustafa Karaagaç
Melek Karakurt Eryilmaz
Mehmet Artac
Publikationsdatum
20.06.2019
Verlag
Springer US
Erschienen in
Journal of Gastrointestinal Cancer / Ausgabe 2/2020
Print ISSN: 1941-6628
Elektronische ISSN: 1941-6636
DOI
https://doi.org/10.1007/s12029-019-00263-4

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