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To investigate the effects of transcatheter arterial chemoembolization (TACE) combined with precise radiation therapy (RT) on p53 gene expression and prognosis of patients with hepatocellular carcinoma (HCC). A total of 80 patients with unresectable HCC treated in the First People's Hospital of Qinhuangdao from March 2009 to March 2015 were randomly divided into TACE group (n=40) and TACE + RT group (n=40). Enzyme-linked immunosorbent assay (ELISA) was used to detect the levels of p53 in both groups before and after treatment. The biochemical indexes of liver function [α-fetoprotein (AFP), alanine aminotransferase (ALT) and γ-glutamyl transferase (GGT)] were detected. Moreover, adverse reactions were compared between the two groups of patients, the short-term therapeutic effect was evaluated, and effects of two treatment methods on progression-free survival (PFS) and overall survival (OS) of patients were detected. There were no statistically significant differences in clinical data between the two groups of patients (P&gt;0.05). The p53 protein levels were significantly downregulated in both treatment methods, and it was decreased more significantly in TACE + RT group than that in TACE group (P&lt;0.05). Compared with those before treatment, AFP and GGT levels in both groups of patients after treatment were decreased, but the levels of ALT were increased (P&lt;0.05), and TACE + RT group had a better curative effect than TACE group (P&lt;0.05). Besides, the incidence rate of adverse reactions in TACE + RT group (37.5%) was obviously lower than that in TACE group (65%) (P&lt;0.05). The number of patients with stable disease (SD) and progressive disease (PD) and disease control rate (DCR) in TACE + RT group were superior to those in TACE group (P&lt;0.05). The 2-year survival rate and median PFS of patients in TACE + RT group were also significantly better than those in TACE group (P&lt;0.05). In conclusion, TACE combined with RT has a better clinical effect than TACE alone in the treatment of HCC.

Effects of TACE combined with precise RT on p53 gene expression and prognosis of HCC patients