Changes of circulating transforming growth factor-beta1 level during radiation therapy are correlated with the prognosis of locally advanced non-small cell lung cancer.
Journal of Thoracic Oncology(2010)
摘要
We hypothesized that plasma transforming growth factor-beta1 (TGF-beta1) level and its dynamic change are correlated with the prognosis of locally advanced non-small cell lung cancer (NSCLC) treated with radiation therapy (RT).Patients with stage IIIA or IIIB NSCLC treated with RT with or without chemotherapy were eligible for this study. Platelet poor plasma was collected from each patient within 1 week before RT (pre-RT) and at the 4th week during RT (during-RT). TGF-beta1 level was measured with enzyme-linked immunosorbent assay. The primary end point was overall survival (OS) and the secondary end point was progression-free survival (PFS). Kaplan-Meier and Cox regression were used for risk factor evaluation.A total of 65 patients were eligible for the study. The median OS and PFS were 17.7 and 13.7 months, respectively. In univariate analysis, performance status, weight loss, radiation dose, and TGF-beta1 ratio (during-RT/pre-RT TGF-beta1 level) were all significantly correlated with OS. In the multivariate analysis, performance status, radiation dose, and TGF-beta1 ratio were still significantly correlated with OS. The median OS was 30.7 months for patients with TGF-beta1 ratio 更多
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关键词
Non-small cell lung cancer,Radiation therapy,Transforming growth factor-²1,Prognosis
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