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Hepatocellular carcinoma 2009 and beyond: from the surveillance to molecular targeted therapy.

Author(s): Kudo M

Affiliation(s): Department of Gastroenterology and Hepatology, Kinki University School of Medicine, Osaka-Sayama, Osaka, Japan. m-kudo@med.kindai.ac.jp

Publication date & source: 2008, Oncology., 75 Suppl 1:1-12. Epub 2008 Dec 17.

Publication type: Review

Hepatocellular carcinoma (HCC) is a malignant tumor which is becoming more prevalent worldwide. Patients at high risk of developing HCC, namely hepatitis B- and C-related liver cirrhosis patients, should be entered into surveillance programs, which should be performed using both ultrasonography and 3 tumor markers (AFP, PIVKA-II, AFP-L3). The surveillance interval needs to be shortened for patients at higher risk of HCC. Therefore, super-high-risk patients should be screened at 3- to 4-month intervals based on their risk of developing HCC. Sonazoid-enhanced US is extremely useful to characterize hepatic tumors when compared with multidetector-row computed tomography (MDCT). Moreover, Sonazoid-enhanced US with defect reperfusion imaging is a breakthrough approach in the treatment of HCC. This technique will markedly change the therapeutic strategy for liver cancer. Furthermore, diagnostic capability using the new imaging technique Gd-EOB-DTPA MRI is promising. A reduced uptake (low intensity) in the hepatobiliary phase of Gd-EOB-DTPA MRI strongly suggests HCC (including early-stage HCC) or a high-grade dysplastic nodule with high malignant potential. Empirically, intrahepatic arterial infusion chemotherapy using implanted reservoir port is known to be effective for advanced HCC with vascular invasion; however, no randomized study exists to prove its efficacy. Further controlled study is necessary to establish this treatment option as a standard of care in a treatment algorithm for HCC. In contrast, sorafenib was established as the first choice of treatment as a standard of care in advanced HCC patients with preserved liver function and vascular invasion/extrahepatic spread. Furthermore, global clinical trials are now ongoing using sorafenib as an adjuvant setting after resection, ablation or TACE. Efficacy of combined use of sorafenib with TACE or intra-arterial infusion chemotherapy is not clear. In order to clarify this issue a randomized clinical trial for intermediate and advanced HCC comparing sorafenib alone versus sorafenib combined with maintenance TACE/intra-arterial infusion chemotherapy and/or intra-arterial infusion chemotherapy is scheduled to be initiated in Japan in 2009. If positive results are obtained by these trials, its impact on treatment strategy for HCC will be drastically changed. Copyright 2008 S. Karger AG, Basel.

Page last updated: 2009-10-20

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