The majority of primary liver cancer is hepatocellular carcinoma (HCC). HCC has increased in many countries, particularly where hepatitis C virus infection is more common than hepatitis B virus infection. Several non-surgical treatment options, including transcatheter arterial emobolization, percutaneous ethanol injection, microwave coagulation, and radiofrequency ablation have been developed and are widely used for unresectable HCC. However, these modalities are not indicated for patients with multifocal disease, invasion or thrombosis of major blood vessels, and poor liver function. The majority of patients with advanced hepatocellular carcinoma (aHCC) do not survive for longer than 6 months from the time of diagnosis. Combined intra-arterial chemotherapy is one of the few remaining options for patients with aHCC. Continuous local arterial infusion of 5-fluorouracil (5-FU) and cisplatin (CDDP) via an infuser pump and implanted reservoir has been shown to prolong the survival of patients with aHCC. When LC patients with aHCC undergo chemotherapy, we should consider the influence of both tumor factors and host immunity. This review focuses on therapeutic strategy of patients with aHCC by using combined intra-arterial chemotherapy and the influence of host immunity on the response to such chemotherapy based on our results. The present article shows some recent patents related to the field.
Keywords: Leucovorin, 5-fluorouracil, cisplatin, advanced hepatocellular carcinoma, liver cirrhosis, intra-arterial chemotherapy, CLIP score, JIS score, Th1, Th2
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