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Vascular epidermis growth factor as a surrogate to evaluate the therapeutic efficacy of pancreatic cancer treated by gamma rays

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Author:
No author available
Journal Title:
CHINESE JOURNAL OF PANCREATOLOGY
Issue:
2
DOI:
10.3760/cma.j.issn.1674-1935.2008.02.003
Key Word:
胰腺肿瘤;放射疗法;γ射线;VEGF;Pancreatic neoplasms;Radiotherapy;Gamma rays;VEGF

Abstract: Objective To analyze the relationship between the change of serum vascular epidermis growth factor(VEGF) level and curative effect of pancreatic cancer treated by gamma rays, and evaluate it clinical significance. Methods The serum VEGF level of thirty patients with pancreatic cancer treated by gamma rays were determined before and one month after treatment. The relationship between curative effect,survival, life quality and the serum VEGF level was analyzed. Results The serum VEGF level of 30 cases before treatment was (624.1 ± 144.3) pg/ml, whereas one month after treatment it was (279.3 ± 83.4) pg/ml(P <0.01 ). In the 19 patient whose serum VEGF level decreased by more than 50%, CR + PR was gained in 18 patients, improved quality of life in 7 patients, and in the 11 patient whose serum VEGF level decreased by less than 50%, CR + PR in 7 patients, improved quality of life in 1 patient( P = 0.012, P = 0. 028). In 24patients who completed 2 years follow-up, 11 of 15 patients whose serum VEGF level decreased by more than 50% survived more than 1 year, which was higher than that of the patients whose serum VEGF level decreased by less than 50%. Conclusions The serum VEGF level decreased significantly after gamma rays treatment and the extent of decrease could be used as a surrogate to evaluate the therapeutic efficacy.

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