scholarly journals Current locoregional therapies and treatment strategies in hepatocellular carcinoma

2020 ◽  
Vol 27 (S3) ◽  
Author(s):  
L. Cardarelli-Leite ◽  
A. Hadjivassiliou ◽  
D. Klass ◽  
J. Chung ◽  
S.G.F. Ho ◽  
...  

Locoregional therapies (LRT) play an important role in the treatment of hepatocellular carcinoma (HCC), with the aim of increasing overall survival while preserving liver function. Different forms of LRT are available and choosing which one is best will depend on technical aspects, liver morphology, tumor biology, and patient’s symptoms. The purpose of this review article is to provide an overview of the current evidence regarding the use of percutaneous ablation, transarterial chemoembolization and transarterial radioembolization for the curative or palliative treatment of HCC. Special situations are also reviewed, including the combined use of systemic therapy with LRT; indications and techniques for bridging to transplant and downstaging; and the use of LRT to treat patients with HCC and macrovascular invasion.

2012 ◽  
Vol 30 (15_suppl) ◽  
pp. e14701-e14701
Author(s):  
Min Hua Chen ◽  
Wei Yang ◽  
Jie Wu ◽  
Wei Wu ◽  
Kun Yan

e14701 Background: To investigate the application value and strategies of ultrasound-guided percutaneous radiofrequency ablation (RFA) in treating advanced hepatocellular carcinoma (HCC) which is common in china. Methods: A total of 655 patients with unresectablely advanced HCC underwent percuatenous RFA therapy and 92 patients with 136 tumors among them were enrolled into the study. According to the 6th UICC/AJCC-TNM system, 82 and 10 patients were in stage III and IV, respectively. The tumor size ranged from 1.5 to 8.0 cm (mean±SD, 4.5±1.6 cm). 59 patients had solitary tumor and the remaining 33 patients had multiple tumors. The Child-Pugh classification of A, B and C were 58,32 and 2 patients, respectively. Established strategies included: (1) select RFA indications based on the contrast-enhanced ultrasound (CEUS) results; (2) design radical protocols based on invasive range showed by CEUS; (3) multiple overlapping ablations based on mathematical protocol; (4) two or three bipolar RFA electrodes with three dimensional localization; (5) color US guided percutaneous ablation of tumor feeding artery (including TACE) + RFA for HCC with rich supply. The patients underwent follow-up using enhanced CT at one month, and then every three months after RFA. The ablation was considered a success if no abnormal enhancement or wash-out was detected in the treated area on the CT scan at one month. All patients after RFA received liver protection treatments. Overall survival was estimated by Kaplan-Meier analysis. Results: Early complete tumor necrosis rate after initial RFA was 90.4% (123/136 tumors). Serious complications were developed in two patients (2.2%) and no treatment-related death occurred. 3~129 months were followed up. Local recurrence rate was 15.4 %(21/136 tumors). The 1-, 3-, 5-year overall survival rates were 83.3 %, 48.3 %, 21.9%, respectively, and the median survival time was 35 months. Conclusions: RFA treatment of advanced HCC proved to be feasible. Paying attention to apply treatment strategies and liver protection therapies in RFA can effectively improve the survival.


2021 ◽  
Vol 11 (3) ◽  
pp. 223
Author(s):  
Nikolaos Garmpis ◽  
Christos Damaskos ◽  
Anna Garmpi ◽  
Vasiliki E. Georgakopoulou ◽  
Panagiotis Sarantis ◽  
...  

Hepatocellular carcinoma (HCC) remains a major health problem worldwide with a continuous increasing prevalence. Despite the introduction of targeted therapies like the multi-kinase inhibitor sorafenib, treatment outcomes are not encouraging. The prognosis of advanced HCC is still dismal, underlying the need for novel effective treatments. Apart from the various risk factors that predispose to the development of HCC, epigenetic factors also play a functional role in tumor genesis. Histone deacetylases (HDACs) are enzymes that remove acetyl groups from histone lysine residues of proteins, such as the core nucleosome histones, in this way not permitting DNA to loosen from the histone octamer and consequently preventing its transcription. Considering that HDAC activity is reported to be up-regulated in HCC, treatment strategies with HDAC inhibitors (HDACIs) showed some promising results. This review focuses on the use of HDACIs as novel anticancer agents and explains the mechanisms of their therapeutic effects in HCC.


Cancers ◽  
2019 ◽  
Vol 11 (8) ◽  
pp. 1085 ◽  
Author(s):  
Pedro Viveiros ◽  
Ahsun Riaz ◽  
Robert J. Lewandowski ◽  
Devalingam Mahalingam

The increasing set of liver-directed therapies (LDT) have become an integral part of hepatocellular carcinoma (HCC) treatment. These range from percutaneous ablative techniques to arterial embolization, and varied radiotherapy strategies. They are now used for local disease control, symptom palliation, and bold curative strategies. The big challenge in the face of these innovative and sometimes overlapping technologies is to identify the best opportunity of use. In real practice, many patients may take benefit from LDT used as a bridge to curative treatment such as resection and liver transplantation. Varying trans-arterial embolization strategies are used, and comparison between established and developing technologies is scarce. Also, radioembolization utilizing yttrium-90 (Y-90) for locally advanced or intermediate-stage HCC needs further evidence of clinical efficacy. There is increasing interest on LDT-led changes in tumor biology that could have implications in systemic therapy efficacy. Foremost, additional to its apoptotic and necrotic properties, LDT could warrant changes in vascular endothelial growth factor (VEGF) expression and release. However, trans-arterial chemoembolization (TACE) used alongside tyrosine-kinase inhibitor (TKI) sorafenib has had its efficacy contested. Most recently, interest in associating Y-90 and TKI has emerged. Furthermore, LDT-led differences in tumor immune microenvironment and immune cell infiltration could be an opportunity to enhance immunotherapy efficacy for HCC patients. Early attempts to coordinate LDT and immunotherapy are being made. We here review LDT techniques exposing current evidence to understand its extant reach and future applications alongside systemic therapy development for HCC.


Cancers ◽  
2021 ◽  
Vol 13 (17) ◽  
pp. 4396
Author(s):  
Shelize Khakoo ◽  
Angelica Petrillo ◽  
Massimiliano Salati ◽  
Abdul Muhith ◽  
Jessica Evangelista ◽  
...  

Pancreatic ductal adenocarcinoma (PDAC) has an aggressive tumor biology and is associated with poor survival outcomes. Most patients present with metastatic or locally advanced disease. In the 10–20% of patients with upfront resectable disease, surgery offers the only chance of cure, with the addition of adjuvant chemotherapy representing an established standard of care for improving outcomes. Despite resection followed by adjuvant chemotherapy, at best, 3-year survival reaches 63.4%. Post-operative complications and poor performance mean that around 50% of the patients do not commence adjuvant chemotherapy, and a significant proportion do not complete the intended treatment course. These factors, along with the advantages of early treatment of micrometastatic disease, the ability to downstage tumors, and the increase in R0 resection rates, have increased interest in neo-adjuvant treatment strategies. Here we review biomarkers for early diagnosis of PDAC and patient selection for a neo-adjuvant approach. We also review the current evidence for different chemotherapy regimens in this setting, as well as the role of chemoradiotherapy and immunotherapy, and we discuss ongoing trials.


Cancers ◽  
2021 ◽  
Vol 13 (6) ◽  
pp. 1371
Author(s):  
Justin Kwan ◽  
Uei Pua

The liver is frequently the most common site of metastasis in patients with colorectal cancer, occurring in more than 50% of patients. While surgical resection remains the only potential curative option, it is only eligible in 15–20% of patients at presentation. In the past two decades, major advances in modern chemotherapy and personalized biological agents have improved overall survival in patients with unresectable liver metastasis. For patients with dominant liver metastatic disease or limited extrahepatic disease, liver-directed intra-arterial therapies such as hepatic arterial chemotherapy infusion, chemoembolization and radioembolization are treatment strategies which are increasingly being considered to improve local tumor response and to reduce systemic side effects. Currently, these therapies are mostly used in the salvage setting in patients with chemo-refractory disease. However, their use in the first-line setting in conjunction with systemic chemotherapy as well as to a lesser degree, in a neoadjuvant setting, for downstaging to resection have also been investigated. Furthermore, some clinicians have considered these therapies as a temporizing tool for local disease control in patients undergoing a chemotherapy ‘holiday’ or acting as a bridge in patients between different lines of systemic treatment. This review aims to provide an update on the current evidence regarding liver-directed intra-arterial treatment strategies and to discuss potential trends for the future.


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