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Chimioembolisation des carcinomes hépatocellulaires : essai d'optimisation de la procédure

Abstract : With 700,000 deaths in 2008, hepatocellular carcinoma is the 3rd most common cause of cancer-related death worldwide. Transarterial chemoembolization is the standard treatment for intermediate-stage hepatocellular carcinoma. This intraarterial treatment is performed by injecting an anticancer drug carried by ethiodized oil or by drug-eluting beads and followed by the occlusion of the artery when ethiodized oil is used. Median survival of patients remains < 2 years, and there is no consensus about the optimal treatment regimen. The aim of our work was to improve the efficacy of transarterial chemoembolization in optimizing the anticancer drug and its carrier.We have demonstrated that idarubicin was the most cytotoxic anticancer drug in an in vitro screening study of 11 anticancer drugs on 3 human hepatocellular carcinoma cell lines. Idarubicin was more cytotoxic in our experiment than the anticancer drugs which are currently used for transarterial chemoembolization of hepatocellular carcinoma.The randomized LIPIOAMIO phase II trial has shown that the addition of amiodarone to stabilize an emulsion composed of an anthracycline and of ethiodized oil injected for transarterial chemoembolization does not improve significantly survival of patients with a non resectable, non metastatic hepatocellular carcinoma. We have also demonstrated that idarubicin could be loaded in drug-eluting DC Bead™ and that the resulting solution was stable during several months.We designed the dose-escalation IDASPHERE phase I trial to determine the limiting dose of idarubicin administred in a solution of drug-eluting DC Bead™ during a transarterial chemoembolization session in patients with non resectable, non metastatic hepatocellular carcinoma. First results of the trial are presented in the manuscript.
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Mathieu Boulin. Chimioembolisation des carcinomes hépatocellulaires : essai d'optimisation de la procédure. Médecine humaine et pathologie. Université de Bourgogne, 2011. Français. ⟨NNT : 2011DIJOPE02⟩. ⟨tel-00959579⟩



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