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Journal Cover   Liver Cancer
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   Full-text available via subscription Subscription journal
   ISSN (Print) 2235-1795 - ISSN (Online) 1664-5553
   Published by Karger Homepage  [104 journals]
  • Hong Kong Consensus Recommendations on the Management of Hepatocellular
           Carcinoma
    • Abstract: Background: Hepatocellular carcinoma (HCC) is particularly prevalent in Hong Kong because of the high prevalence of chronic hepatitis B (CHB) infection; HCC is the fourth commonest cancer in men and the seventh commonest in women, and it is the third leading cause of cancer death in Hong Kong. The full spectrum of treatment modalities for HCC is available locally; however, there is currently no local consensus document detailing how these modalities should be used. Summary: In a series of meetings held between May and October 2013, a multidisciplinary group of Hong Kong clinicians − liver surgeons, medical oncologists, clinical oncologists, hepatologists, and interventional radiologists − convened to formulate local recommendations on HCC management. These recommendations consolidate the most current evidence pertaining to HCC treatment modalities, together with the latest thinking of practicing clinicians engaged in HCC management, and give detailed guidance on how to deploy these modalities effectively for patients in various disease stages. Key messages: Distinct from other regional guidelines, these recommendations provide guidance on the use of antiviral therapy to reduce the incidence of HCC in CHB patients with cirrhosis and to reduce recurrence of CHB-related HCC.
      Liver Cancer 2015;4:51-69
       
  • Surveillance, Diagnosis, Treatment, and Outcome of Liver Cancer in Japan
    • Abstract: Background: Hepatocellular carcinoma (HCC) is the fifth most common type of cancer and the third leading cause of cancer-related death worldwide. HCC is most common in Asia, but its prevalence is rapidly increasing in Western countries; consequently, HCC is a global medical issue that urgently needs to be addressed. Japan is the only developed country that has experienced both hepatitis B-related and hepatitis C-related HCC and has a long history of innovation when it comes to new diagnostic and therapeutic modalities, such as computed tomography angiography, anatomical resection, ablation, and transarterial chemoembolization. Among these innovations, a nationwide surveillance program was well established by the 1980s, and such a long-term national program does not exist anywhere else in the world. Summary: More than 60% of the initially detected HCCs in Japan are Barcelona Clinic Liver Cancer stage 0 or A, which can undergo curative therapies such as resection, ablation, or transplantation. The recent 5-year survival rate of HCC patients in Japan was 43% and the median survival time was 50 months. In addition, both incidence and mortality rates are drastically declining as a result of the successful surveillance program, careful diagnostic flow, and extensive repeated treatments. Key Message: Japan's successful model in the surveillance, diagnosis, and treatment of HCC should be adopted as widely as possible to improve the survival of HCC patients worldwide.
      Liver Cancer 2015;4:39-50
       
  • Insufficient Ablative Margin Determined by Early Computed Tomography May
           Predict the Recurrence of Hepatocellular Carcinoma after Radiofrequency
           Ablation
    • Abstract: Tumor recurrence in hepatocellular carcinoma (HCC) patients after radiofrequency ablation (RFA) remains common; some studies have reported that insufficient ablative margin after RFA might contribute to HCC recurrence. The aim of this study was to investigate whether insufficient ablative safety margins determined by early computed tomography (CT) predicts HCC recurrence after RFA. This retrospective study recruited patients with a single HCC lesion after RFA in our department between May 2013 and March 2014. Early follow-up CT was performed within 7 days after RFA. An adequate ablative margin assessed by follow-up CT was defined as (maximum post-RFA CT radius)3/(maximum pre-RFA CT radius + 5 mm)3> 1. All patients in whom complete ablation was achieved underwent a CT scan every 3 months for early detection of HCC recurrence. In total, 72 patients (48 male, mean age 69.4 years) were analyzed. Of these, eight patients had local tumor progression, four had intra-hepatic distant recurrence, and two had extra-hepatic metastasis. Insufficient ablative margin, defined as an ablative volume with a safety margin of less than 5 mm, was an important predictor of local tumor progression (LTP) (p = 0.015) and overall recurrence (p = 0.012). The sensitivity, specificity, and positive and negative predictive values of an insufficient ablative margin for predicting LTP and overall recurrence were 36.4%, 97.2%, 50.0%, and 87.9%, and 46.2%, 89.7%, 42.9%, and 87.9%, respectively. An ablative volume with an ablative margin of less than 5 mm is associated with higher rates of both LTP and overall recurrence in HCC after RFA.
      Liver Cancer 2015;4:26-38
       
  • Treatment of Hepatocellular Carcinoma in the Community: Disparities in
           Standard Therapy
    • Abstract: Background and Aims: Hepatocellular carcinoma (HCC) incidence is expected to rise dramatically over the next decades because of increasing hepatitis C infections and obesity-related comorbidities. However, little information exists regarding the treatment of patients with HCC in the community setting. The purpose of this article was to characterize patterns of diagnosis, treatment, and survival for HCC in the community. Methods: We identified 946 HCC patients in the 2007 National Cancer Institute's Patterns of Care study. Chi-square analyses and multivariable regression were used to examine patient and provider factors associated with treatment and survival by stage at diagnosis. Results: Our primary findings indicate that liver transplants, embolization, or radiofrequency ablation for Barcelona Clinic Liver Cancer stage A patients were performed significantly less often for non-Hispanic blacks, Hispanics, patients in the highest income quartile, and patients with Medicaid. Patients with stage D disease were less likely to receive cancer therapy if they had Medicaid insurance compared to private insurance (p
       
  • Malignant Transformation of Hepatocellular Adenoma: How Frequently Does It
           Happen'
    • Abstract:
      Liver Cancer 2015;4:1-5
       
  • Yttrium-90 Microspheres: A Review of Its Emerging Clinical Indications
    • Abstract: Background: Many patients with liver malignancies are not candidates for resection, and systemic therapies are often not effective. Radioembolization (RE) is an alternative treatment for this group of patients. The safety and efficacy of RE with yttrium 90 (Y90) in patients with hepatocellular carcinoma (HCC) or metastatic colon cancer to the liver have been proven in several studies. However, fewer studies have focussed on the safety and efficacy of RE with Y90 in other extrahepatic primary and secondary liver cancers. The effect on outcomes of concomitant use of Y90 with a systemic therapy is still currently under investigation. Summary: A review of the published data on the use of RE as stand-alone, concomitant or sequential with other treatment modalities in HCC and other primary and secondary liver cancer is reported here. Key message: RE for the treatment of HCC and other extrahepatic, primary and secondary liver cancer has reasonable efficacy and acceptable toxicities. Definitive studies to establish the role of RE in the treatment of such malignancies are warranted.
      Liver Cancer 2015;4:6-15
       
  • Yttrium-90 Microsphere Radioembolization for Hepatocellular Carcinoma
    • Abstract: Yttrium-90 (Y90) radioembolization is an emerging strategy to treat liver malignancies, and clinical data supporting its use have accumulated in recent years. Y90-radioembolization has shown clinical effectiveness in intermediate and advanced hepatocellular carcinoma, with a favorable safety profile. Retrospective data show similar levels of effectiveness to transarterial chemoembolization in intermediate hepatocellular carcinoma, with some evidence of better tolerance. While phase 3 studies comparing Y90-radioembolization to chemoembolization in intermediate hepatocellular carcinoma would be difficult to conduct, studies comparing or combining Y90-radioembolization with sorafenib are under way. Questions also remain about the most suitable modalities for defining the dose to administer. Phase 3 studies are under way to clarify the place of Y90-radioembolization in the algorithm of HCC treatment.
      Liver Cancer 2015;4:16-25
       
  • JSH Consensus-Based Clinical Practice Guidelines for the Management of
           Hepatocellular Carcinoma: 2014 Update by the Liver Cancer Study Group of
           Japan
    • Abstract: The Clinical Practice Guidelines for the Management of Hepatocellular Carcinoma proposed by the Japan Society of Hepatology was updated in June 2014 at a consensus meeting of the Liver Cancer Study Group of Japan. Three important items have been updated: the surveillance and diagnostic algorithm, the treatment algorithm, and the definition of transarterial chemoembolization (TACE) failure/refractoriness. The most important update to the diagnostic algorithm is the inclusion of gadolinium-ethoxybenzyl-diethylenetriamine pentaacetic acid-enhanced magnetic resonance imaging as a first line surveillance/diagnostic tool. Another significant update concerns removal of the term “lipiodol” from the definition of TACE failure/refractoriness. © 2014 S. Karger AG, Basel
      Liver Cancer 2014;3:458-468
       
  • Overexpression of Leucine-Rich Repeat-Containing G Protein-Coupled
           Receptor 5 (LGR5) Represents a Typical Wnt/β-Catenin
           Pathway-Activated Hepatocellular Carcinoma
    • Abstract: Background: Hepatocellular carcinoma (HCC) is one of the most common and most frequently lethal cancers worldwide. Although many advances have been made in the analysis of multistage hepatocarcinogenesis, we still lack information to guide adequate clinical management options for HCC. A large number of genetic alterations occur during hepatocarcinogenesis, and many genetic studies have indicated that one of the most frequently mutated oncogenes found in HCC is β-catenin. Summary: Molecular subclassification of HCC based on gene expression signatures has identified a typical hepatocyte-like subclass of HCC harboring β-catenin mutations; this subclass is characterized by better histological differentiation and a less aggressive nature. We previously identified overexpression of the leucine-rich repeat-containing G protein-coupled receptor 5 (LGR5), also known as GPR49, in HCC with β-catenin mutations. LGR5 has been indicated as one of the downstream target genes of the Wnt signaling pathway; however, the functional role of LGR5 in cancer is largely unknown. We demonstrated that HCC cells transfected with LGR5 exhibited higher colony forming activity and were more resistant to a cytotoxic drug than the control HCC cells were. Overexpression of LGR5 also retarded cell migration. LGR5-transfected HCC cells formed nodule-type tumors in the livers of immunodeficient mice, whereas control cells formed more invasive tumors. Results of our recent research suggest that aberrant expression of LGR5 could regulate the epithelial cell phenotype and promotes HCC cell survival. HCC cells overexpressing LGR5 seem to represent a typical phenotype of a less aggressive HCC. Key messages: Recent efforts on the molecular classification of HCC have led us to new strategies for dealing with HCC. These specific signatures may predict the risk of recurrence or the patient survival rate, which affect the outlook and may suggest treatment strategies for HCC patients. © 2014 S. Karger AG, Basel
      Liver Cancer 2014;3:451-457
       
  • Using Modified RECIST and Alpha-Fetoprotein Levels to Assess Treatment
           Benefit in Hepatocellular Carcinoma
    • Abstract: Background and Aims: Assessing treatment responses in hepatocellular carcinoma (HCC) is challenging, and alternative radiologic methods of measuring treatment response are required. Modified Response Evaluation Criteria in Solid Tumors (mRECIST) for HCC and alpha-fetoprotein (AFP) levels were assessed in a post hoc analysis of a phase II study of brivanib, a selective dual inhibitor of fibroblast growth factor and vascular endothelial growth factor signaling. Methods: HCC patients were treated with first-line (cohort A; n = 55) or second-line (cohort B; n = 46) brivanib alaninate 800 mg once daily. Outcomes were compared between World Health Organization (WHO) criteria and (retrospectively by) mRECIST by independent review. The relationship between on-study AFP changes and outcome was analyzed in patients with elevated AFP at baseline. Results: Response rates were higher with mRECIST versus WHO criteria in cohorts A (25.5% vs. 7.3%) and B (10.9% vs. 4.3%). Progressive disease (PD) as assessed by mRECIST was associated with a very short median overall survival (OS; cohort A, 2.8 months; cohort B, 5.3 months); PD as assessed by WHO criteria reflected a mixed population of patients with better outcomes. mRECIST responders tended to have a>50% AFP decrease during therapy. In cohorts A and B pooled, an early AFP response (>20%or >50% decline from baseline within the first 4 weeks) was not associated with longer median OS. Conclusions: Tumor response as assessed by mRECIST differed from that by WHO criteria, with mRECIST possibly identifying true nonresponders with a poor prognosis. Many patients had AFP decreases correlating with tumor shrinkage, yet an association with long-term benefit was unclear. mRECIST and on-treatment AFP levels are being explored further with brivanib in HCC. © 2014 S. Karger AG, Basel
      Liver Cancer 2014;3:439-450
       
 
 
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