Active clinical trials for "Carcinoma, Hepatocellular"

Safety and efficacy of doxorubicin-eluting-bead embolization in patients with advanced hepatocellular carcinoma.

Before the surgery, the investigators predict the risk of microvascular invasion (MVI) presence for the early-stage hepatocellular carcinoma according to the nomogram the investigators have created. Patients with a high risk of microvascular invasion were randomly chose to give the treatment of a wide resection margin, which establish an individualized anti-recurrence program based on the high-grade evidence-based medicine.

Hepatocellular carcinoma (HCC) is one of the most common cancers in Taiwan, where chronic viral hepatitis is common. Patients with HCC typically have impaired liver function because of virus- or alcohol- induced cirrhosis and viral hepatitis, and only approximately 20% of them are appropriate candidates for surgery. The 5-year overall survival for patients treated by surgery is approximately 30%-70%. For those not treated with surgery, liver function affected by an underlying liver disease has a strong influence on clinical outcomes, and complicates treatment strategies further than for other tumors. Maximal preservation of normal liver volume and function is an important consideration in the choice of treatment. Proton beam has been applied to HCC treatment in Japan for longer than a decade, and several retrospective results showed excellent 3-5 years local control rate ranging from 85-95% and nearly no major complications. The investigators also retrospectively reviewed 75 index tumors sized 3.1-7.0cm in 70 patients receiving multiple-electrode radiofrequency ablation with switching controller (ME-SWC RFA) treatments in the period between 1 January 2009 and 31 December 2011 (Oral report in Taiwan Digestive Disease Week, October, 2012). Estimated 1-, 2-, and 3-year cumulative overall survival rates and local control rates were 94%, 85%, 81% and 89%, 83%, 67%, respectively. Since ME-SWC RFA is the present one of standard modalities for non-surgery, moderate to larger (3-7 cm) HCC, and based on retrospective studies the local control rate of proton therapy was better than radiofrequency ablation, this prospective trial is aimed to compare the effects of these two modalities in 3-7 cm HCC patients who are not candidates for surgery or refuse surgery. This prospective study has high possibility to confirm the role of proton beam in HCC. Along with the clinical trial, the investigators will also use next generation sequencing (NGS) to exam gene expression profile of tumor samples and find out candidate genes related to local control, intrahepatic control (treatment out-field control in liver), regional lymph node relapse, distant metastasis, and treatment response in HCC.

The role of transarterial chemoembolization (TACE) as the standard therapy for intermediate-stage hepatocellular carcinoma (HCC) is being challenged by increasing studies which showed that liver resection (LR) is a safe and feasible procedure with better survival outcomes than TACE does. In light of this, the investigators have constructed a Markov model to simulate comparing LR and TACE in the treatment of intermediate-stage HCC. The results suggested that LR may provide survival benefit over TACE for the treatment of intermediate-stage HCC in cirrhotic patients. However, validating the simulated result by a study with higher quality (e.g. prospective clinical trial) would be of great value in providing a more convincing finding. Therefore, based on the established Markov model, the investigators aimed to prospectively compare the treatment efficacy and safety of LR with TACE for consecutive patients with intermediate-stage HCC.

Abstract of Research Proposal Radiofrequency ablation (RFA) has been proved to be a curative treatment with minimal invasiveness and high efficacy for small hepatocellular carcinoma (HCC) that is generally defined as maximal diameter no larger than 3cm. RFA can achieve a rate of complete necrosis as 80-100% in small HCC. However, the rate will drop to 71% in HCC of 3.1-5cm and 25% for HCC larger than 5cm。This is due to the relative hypervascularity for the bigger tumor and it will induce heat sink that leading to less effect of ablation. Therefore, transcatheter chemoembolization (TACE) before RFA may reduce the vascularity and enhance the effect of subsequent RFA. Moreover, pre-RF TACE will reduce the tumor size and the subsequent RFA will be more effective than RFA alone. In retrospective studies, Kitamoto M et al showed that tumor necrosis diameter was larger in TACE and RFA combination therapies compared to RFA mono-therapy; Yamakado K et al showed that TACE and RFA combination therapies in HCC (maximal diameter up to 12 cm) achieved 100% complete necrosis, 0% local recurrence rate and 93% of 2-year survival rate. Nevertheless, only one randomized trial in intermediate size HCC (3-5cm in diameter) showed that TACE and RFA combination therapies achieved a significant higher rate of complete necrosis, technique success, fewer treatment sessions to achieve complete necrosis and lower local recurrence but non-significant difference in 3-year survival rate. Therefore, based on the limited studies, combine TACE and RFA may achieve better effects than RFA mono-therapy in HCC larger than 3cm. However, repeat TACE may induce some complications such as HBV reactivation, hepatitis or even liver decompensation. Moreover, novel RFA using simultaneous multiple RFA probes with switching RF controller may achieve a better effects and shorter ablation time than sequential RFA with single electrode. Thus, is it still necessary using TACE and RFA combination therapies for HCC >3cm when application of novel switching RF controller? The aim of the current study is to conduct a RCT comparing combine TACE and RFA compared to RFA mono-therapy by using simultaneous multiple electrodes and switching RF controller in uni-lobar HCC of 3.1-7cm. The rate of complete necrosis, technique success, sessions to achieve CN, local tumor progression, survival rate and major complications will be analyzed. Investigators cannot expect which one is better, safer before the achievement of the study.

The purpose of this study is to assess the safety and effectiveness of natural killer T (NKT) cell-based autologous adoptive immunotherapy in subjects with metastatic, treatment-refractory breast cancer, glioma, hepatocellular carcinoma, squamous cell lung cancer, pancreatic cancer, colon cancer or prostate cancer.

Oncoxin in combination with Surafenib is safe and results in improved survival in patients with hepatocellular carcinoma (HCC)

The standard treatment for hepatocellular carcinoma (HCC) is surgery, such as, by hepatic resection or liver transplantation, but less than 20% of HCC patients are suitable for surgery. In the remaining patients with inoperable and advanced HCC, trans-arterial chemo-embolization (TACE) has been widely used but TACE alone rarely produces complete response and commonly develops recurrence. Recently several small studies reported high tumor response and local control rate after stereotactic ablative radiotherapy (SABR) alone or with TACE for inoperable HCC. This study will evaluate SABR effect with 60 Gy in 3 fractionations for HCC with size of ≤ 5 cm and 3 cm apart from gastrointestinal tract.

Impact on contrast dose or total volume of contrast required to effectively treat the targeted tumor.

The purpose of this study is to evaluate the effects of Transcatheter Arterial Chemoembolization (TACE) with KMG microsphere in treating HCC. And to determine which one is better,KMG microsphere or lipiodol?