Abstract
Lipiodol injection is a useful method for detecting liver tumors, especially hepatocellular carcinoma (HCC). We therefore prepared and tested a new emulsion of lipiodol containing epirubicin and cis-diammine-dichloroplatinum (CDDP), drugs that are very effective against HCC. This CDDP-epirubicin-lipiodol suspension (CELS) was injected into 18 HCC patients via a celiac angiographic catheter. In 11 of these patients, CELS was followed by transcatheter arterial embolization (TAE) therapy. Clinical and pharmacological investigations were performed in all 18 patients, and the following results were obtained. CELS is pharmacologically and chemically stable, and both the results of the dissolution test and the serum levels of these two drugs indicate that slow release can be obtained. After the injection of CELS, serum levels of AFP and PIVKA-II decreased immediately, and no fatal clinical side effects were encountered. Although no statistically significant difference was observed, the survival (Kaplan-Meier method) of patients injected with CELS in the presence or absence of TAE therapy can be estimated to be much longer than that of patients receiving CDDP-lipiodol suspension injection in the presence (16 patients) or absence (6 patients) of TAE therapy. A combination of CELS injection and TAE therapy might be effective and useful for the treatment of HCC.
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