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https://www.readbyqxmd.com/read/28427355/identifying-and-characterizing-hepatitis-c-virus-hotspots-in-massachusetts-a-spatial-epidemiological-approach
#1
Thomas J Stopka, Michael A Goulart, David J Meyers, Marga Hutcheson, Kerri Barton, Shauna Onofrey, Daniel Church, Ashley Donahue, Kenneth K H Chui
BACKGROUND: Hepatitis C virus (HCV) infections have increased during the past decade but little is known about geographic clustering patterns. METHODS: We used a unique analytical approach, combining geographic information systems (GIS), spatial epidemiology, and statistical modeling to identify and characterize HCV hotspots, statistically significant clusters of census tracts with elevated HCV counts and rates. We compiled sociodemographic and HCV surveillance data (n = 99,780 cases) for Massachusetts census tracts (n = 1464) from 2002 to 2013...
April 20, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28426310/a-public-health-approach-to-hepatitis-c-in-an-urban-setting
#2
Fabienne Laraque, Jay K Varma
The clinical consequences of HCV infection are increasing because the population with the highest prevalence of the infection, persons born between 1945 and 1965, is aging. As a result, health care expenditures are expected to increase. Now that a cure for HCV infection is the norm, a public health approach is necessary to identify, link to care, and treat infected persons and prevent new infections. We believe that the success of public health interventions, such as those for tuberculosis, can be translated to HCV infection...
April 20, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28424064/effectiveness-of-triple-therapy-with-direct-acting-antivirals-for-hepatitis-c-genotype-1-infection-application-of-propensity-score-matching-in-a-national-hcv-treatment-registry
#3
Emma Gray, David J Pasta, Suzanne Norris, Aisling O'Leary
BACKGROUND: Observational studies are used to measure the effectiveness of an intervention in non-experimental, real world scenarios at the population level and are recognised as an important component of the evidence pyramid. Such data can be accrued through prospective cohort studies and a patient registry is a proven method for this type of study. The national hepatitis C (HCV) registry was established in Ireland in 2012 with the aim of monitoring the clinical and economic outcomes from new, high cost regimens for the treatment of HCV infection...
April 19, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28420944/new-therapies-for-hepatitis-c-virus-infection
#4
Jennifer L Horsley-Silva, Hugo E Vargas
Approximately 350 million people worldwide are infected with hepatitis C virus (HCV), which is associated with morbidity and mortality related to cirrhosis, hepatocellular carcinoma, or liver failure. Recently, vast improvements have been made with the development of direct-acting antiviral (DAA) agents, which are all-oral, are better tolerated than interferon-based treatment, and provide a sustained virologic response in more than 90% of treated patients. This article reviews the new therapies available for HCV infection, with a focus on patients who have chronic HCV with and without compensated cirrhosis...
January 2017: Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28417245/elbasvir-grazoprevir-a-review-in-chronic-hcv-genotypes-1-and-4
#5
Zaina T Al-Salama, Emma D Deeks
A fixed-dose combination tablet comprising the hepatitis C virus (HCV) NS5A inhibitor elbasvir and the HCV NS3/4A protease inhibitor grazoprevir (elbasvir/grazoprevir; Zepatier™) was recently approved for the treatment of chronic HCV genotype 1 and 4 infection in the EU and the USA. In phase III trials, 12 or 16 weeks of treatment with once-daily elbasvir/grazoprevir (fixed-dose tablet or as individual agents), taken with or without ribavirin, generally provided high rates of sustained virological response at 12 weeks (SVR12) in treatment-naive and -experienced adult patients with chronic HCV genotype 1a, 1b or 4 infection, including those with or without compensated cirrhosis, HIV co-infection, inherited blood disorders or chronic kidney disease or patients receiving opioid agonist therapy or of Japanese origin...
April 17, 2017: Drugs
https://www.readbyqxmd.com/read/28416232/experience-in-real-clinical-practice-with-new-direct-acting-antivirals-in-chronic-hepatitis-c
#6
Fernando Manuel Jiménez-Macías, Manuel Cabanillas-Casafranca, Marta Maraver-Zamora, Gema Romero-Herrera, Federico García-García, Antonio Correia-Varela-Almeida, Ana Cabello-Fernández, Manuel Ramos-Lora
INTRODUCTION AND OBJECTIVE: Inclusion of direct-acting antivirals into clinical practice in patients with chronic HCV (CHC) has been a milestone in medicine. PATIENTS AND METHODS: Analytical, prospective study, involving 126 patients with chronic HCV treated with direct-acting antivirals. Efficacy and safety of treatment and factors associated with failure treatment were evaluated. RESULTS: Age 54±10. Male (70%). Cirrhosis (60%). Distribution according to genotypes: G1a (31%), G1b (42%); G3 (14%); G4 (13%)...
April 14, 2017: Medicina Clínica
https://www.readbyqxmd.com/read/28415864/-extrahepatic-manifestations-in-chronic-hepatitis-c-infected-patients
#7
Krisztina Hagymási, Anna Egresi, Gabriella Lengyel
The importance of chronic hepatitis C infection is significant. 3% of the World's population is infected. There is at least one extrahepatic manifestation in 50% of HCV patients, which makes the prognosis and mortality worse. The pathomechanisms included are cryoglobulin production, immunmechanisms, and direct viral effects. The authors summarize the main extrahepatic manifestations, as well as treatment possibilities. The aim is to draw attention to this colourful infection in order to improve the recognition in the era of the new effective direct antiviral agents...
April 2017: Orvosi Hetilap
https://www.readbyqxmd.com/read/28405170/hepatitis-c-virus-pharmacogenomics-in-latin-american-populations-implications-in-the-era-of-direct-acting-antivirals
#8
REVIEW
Julieta Trinks, Mariela Caputo, María L Hulaniuk, Daniel Corach, Diego Flichman
In recent years, great progress has been made in the field of new therapeutic options for hepatitis C virus (HCV) infection. The new direct-acting antiviral agents (DAAs) represent a great hope for millions of chronically infected individuals because their use may lead to excellent cure rates with fewer side effects. In Latin America, the high prevalence of HCV genotype 1 infection and the significant association of Native American ancestry with risk predictive single-nucleotide polymorphisms (SNPs) in IFNL4 and ITPA genes highlight the need to implement new treatment regimens in these populations...
2017: Pharmacogenomics and Personalized Medicine
https://www.readbyqxmd.com/read/28404108/ombitasvir-paritaprevir-and-ritonavir-plus-ribavirin-in-adults-with-hepatitis-c-virus-genotype-4-infection-and-cirrhosis-agate-i-a-multicentre-phase-3-randomised-open-label-trial
#9
Tarik Asselah, Christophe Hézode, Roula B Qaqish, Magdy ElKhashab, Tarek Hassanein, George Papatheodoridis, Jordan J Feld, Christophe Moreno, Stefan Zeuzem, Peter Ferenci, Yao Yu, Rebecca Redman, Tami Pilot-Matias, Niloufar Mobashery
BACKGROUND: Hepatitis C virus (HCV) genotype 4 infection is most commonly reported in sub-Saharan Africa and the Middle East; however, prevalence is increasing worldwide through immigration. HCV genotype 4 accounts for 20% of all infections, but clinical trial data for treatment remain limited. We assessed the combination of two direct-acting antivirals, ombitasvir (NS5A inhibitor) and paritaprevir (NS3/4A protease inhibitor; co-dosed with ritonavir) plus ribavirin in patients with HCV genotype 4 infection and compensated cirrhosis...
September 2016: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28404073/optimum-timing-of-treatment-for-hepatitis-c-infection-relative-to-liver-transplantation
#10
REVIEW
Audrey Coilly, Bruno Roche, Jean-Charles Duclos-Vallée, Didier Samuel
The approval of direct-acting antiviral agents that may be given orally in an interferon-free regimen has greatly changed the landscape of treatment for hepatitis C virus (HCV) infection, especially for patients with the most severe disease, who have decompensated cirrhosis, or who are waiting for or have undergone liver transplantation. Treatment with interferon proved to be ineffective and poorly tolerated because of high risks of infection and transplant rejection. The availability of new drugs poses new questions about the optimum time to give treatment to prevent HCV recurrence, taking into account efficacy, tolerance, and drug-drug interactions...
October 2016: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28402928/management-of-advanced-fibrosis-in-the-context-of-hepatitis-c-virus-infection
#11
Elizabeth C Verna
Advanced fibrosis may be present in a substantial proportion of individuals with asymptomatic, chronic hepatitis C virus (HCV) infection, including those who have been newly diagnosed. HCV treatment improves all-cause and liver-related mortality in individuals with advanced fibrosis, and there is some evidence that reversal of decompensated liver disease may occur in those with a sustained virologic response. HCV treatment is also crucial for individuals undergoing liver transplantation, as recurrent HCV infection posttransplantation is associated with accelerated fibrosis progression and increased risk of poor outcomes...
February 2017: Topics in Antiviral Medicine
https://www.readbyqxmd.com/read/28402927/hepatitis-c-virus-inflammation-and-cellular-aging-turning-back-time
#12
Susanna Naggie
There is evidence that hepatitis C virus (HCV) infection, like HIV infection, may be associated with chronic inflammation, immune activation, and immune senescence, which contribute to increased risks for cardiometabolic or other diseases outside the liver, as well as to ongoing damage in the liver. These effects may persist after a sustained virologic response (SVR) is achieved with HCV therapy. Such findings support initiation of treatment for HCV-infected individuals before damage to the liver is apparent and monitoring of individuals for complications even after an SVR is achieved...
February 2017: Topics in Antiviral Medicine
https://www.readbyqxmd.com/read/28399806/current-challenges-and-possible-solutions-to-improve-access-to-care-and-treatment-for-hepatitis-c-infection-in-vietnam-a-systematic-review
#13
Alessandra Berto, Jeremy Day, Nguyen Van Vinh Chau, Guy E Thwaites, Ngoc Nghiem My, Stephen Baker, Thomas C Darton
BACKGROUND: Hepatitis C infection is a major public health concern in low- and middle-income countries where an estimated 71.1 million individuals are living with chronic infection. The World Health Organization (WHO) has recently released new guidance for hepatitis C virus (HCV) treatment programs, which include improving the access to new direct-acting antiviral agents. In Vietnam, a highly populated middle-income country, the seroprevalence of HCV infection is approximately 4% and multiple genotypes co-circulate in the general population...
April 11, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28397696/hepatitis-c-virus-prevalence-and-level-of-intervention-required-to-achieve-the-who-targets-for-elimination-in-the-european-union-by-2030-a-modelling-study
#14
(no author information available yet)
BACKGROUND: Hepatitis C virus (HCV) is a leading cause of liver-related morbidity and mortality worldwide. In the European Union (EU), treatment and cure of HCV with direct-acting antiviral therapies began in 2014. WHO targets are to achieve a 65% reduction in liver-related deaths, a 90% reduction of new viral hepatitis infections, and 90% of patients with viral hepatitis infections being diagnosed by 2030. This study assessed the prevalence of HCV in the EU and the level of intervention required to achieve WHO targets for HCV elimination...
May 2017: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28394926/gp73-represses-host-innate-immune-response-to-promote-virus-replication-by-facilitating-mavs-and-traf6-degradation
#15
Xuewu Zhang, Chengliang Zhu, Tianci Wang, Hui Jiang, Yahui Ren, Qi Zhang, Kailang Wu, Fang Liu, Yingle Liu, Jianguo Wu
Hepatitis C virus (HCV) infection is a leading cause of chronic liver diseases and hepatocellular carcinoma (HCC) and Golgi protein 73 (GP73) is a serum biomarker for liver diseases and HCC. However, the mechanism underlying GP73 regulates HCV infection is largely unknown. Here, we revealed that GP73 acts as a novel negative regulator of host innate immunity to facilitate HCV infection. GP73 expression is activated and correlated with interferon-beta (IFN-β) production during HCV infection in patients' serum, primary human hepatocytes (PHHs) and human hepatoma cells through mitochondrial antiviral signaling protein (MAVS), TNF receptor-associated factor 6 (TRAF6) and mitogen-activated protein kinase kinase/extracellular regulated protein kinase (MEK/ERK) pathway...
April 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28394351/genome-to-genome-analysis-highlights-the-effect-of-the-human-innate-and-adaptive-immune-systems-on-the-hepatitis-c-virus
#16
M Azim Ansari, Vincent Pedergnana, Camilla L C Ip, Andrea Magri, Annette Von Delft, David Bonsall, Nimisha Chaturvedi, Istvan Bartha, David Smith, George Nicholson, Gilean McVean, Amy Trebes, Paolo Piazza, Jacques Fellay, Graham Cooke, Graham R Foster, Emma Hudson, John McLauchlan, Peter Simmonds, Rory Bowden, Paul Klenerman, Eleanor Barnes, Chris C A Spencer
Outcomes of hepatitis C virus (HCV) infection and treatment depend on viral and host genetic factors. Here we use human genome-wide genotyping arrays and new whole-genome HCV viral sequencing technologies to perform a systematic genome-to-genome study of 542 individuals who were chronically infected with HCV, predominantly genotype 3. We show that both alleles of genes encoding human leukocyte antigen molecules and genes encoding components of the interferon lambda innate immune system drive viral polymorphism...
April 10, 2017: Nature Genetics
https://www.readbyqxmd.com/read/28380393/the-new-aptima-hcv-quant-dx-real-time-tma-assay-accurately-quantifies-hepatitis-c-virus-genotype-1-6-rna
#17
Stéphane Chevaliez, Fabienne Dubernet, Claude Dauvillier, Christophe Hézode, Jean-Michel Pawlotsky
BACKGROUND: Sensitive and accurate hepatitis C virus (HCV) RNA detection and quantification is essential for the management of chronic hepatitis C therapy. Currently available platforms and assays are usually batched and require at least 5hours of work to complete the analyses. OBJECTIVES AND STUDY DESIGN: The aim of this study was to evaluate the ability of the newly developed Aptima HCV Quant Dx assay that eliminates the need for batch processing and automates all aspects of nucleic acid testing in a single step, to accurately detect and quantify HCV RNA in a large series of patients infected with different HCV genotypes...
March 29, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/28379589/toxicity-and-risks-from-drug-to-drug-interactions-of-new-antivirals-for-chronic-hepatitis-c
#18
C Binda, A Tortora, M Garcovich, B E Annicchiarico, M Siciliano
The new direct acting antivirals (DAAs), defined as those drugs that are effective in combinations without interferon, have totally changed HCV treatment and probably in few years will also totally change global landscape of advanced liver diseases. The advantage of DAAs is a low-risk/high-benefit ratio. Although overall adverse events during DAAs treatment are limited in frequency and severity, some toxicity issues emerged during the first years of real-life experience with these drugs. Another peculiar characteristic of present DAAs is a high probability of interaction with other "common-use" drugs, such as anti-hypertensive, anti-platelet, antiarrhythmic and cholesterol lowering agents...
March 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28368978/cryoglobulinemia-vasculitis-how-to-handle
#19
Anne C Desbois, Cloe Comarmond, David Saadoun, Patrice Cacoub
PURPOSE OF REVIEW: More than 50% of hepatitis C virus (HCV) infected patients produce a mixed cryoglobulin and two-third of them will develop a symptomatic cryoglobulinemia vasculitis (CryoVas). In the present review, we aim at summarizing the most recent advances in diagnosis and treatment of HCV-CryoVas. RECENT FINDINGS: The treatment of HCV-CryoVas has much changed during the last months. The recent emergence of new direct-acting (DAA) interferon (IFN)-free antivirals, enabling high cure rates with a very good safety profile now permit to cure most patients with HCV-CryoVas...
March 31, 2017: Current Opinion in Rheumatology
https://www.readbyqxmd.com/read/28365538/co-infection-with-hiv-associated-with-reduced-vulnerability-to-symptoms-of-depression-during-antiviral-treatment-for-hepatitis-c
#20
Renata Fialho, Marco Pereira, Neil Harrison, Jennifer Rusted, Richard Whale
In this prospective study, we examined new-onset major depressive disorder (MDD) and the differential expression of depressive symptoms in a sample of 132 HCV mono-infected and 40 HIV/HCV co-infected patients initiating pegylated interferon-based treatment, including protease inhibitor therapy. The semi-structured clinical interview (SCID-I) was used to assess MDD. Severity of depressive symptoms was assessed using the Hamilton Depression Rating Scale. Of the total sample, 60 patients (34.9%) developed SCID-I defined MDD during antiviral treatment...
March 29, 2017: Psychiatry Research
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