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https://www.readbyqxmd.com/read/27912737/hcv-prevalence-can-predict-hiv-epidemic-potential-among-people-who-inject-drugs-mathematical-modeling-analysis
#1
Vajiheh Akbarzadeh, Ghina R Mumtaz, Susanne F Awad, Helen A Weiss, Laith J Abu-Raddad
BACKGROUND: Hepatitis C virus (HCV) and HIV are both transmitted through percutaneous exposures among people who inject drugs (PWID). Ecological analyses on global epidemiological data have identified a positive association between HCV and HIV prevalence among PWID. Our objective was to demonstrate how HCV prevalence can be used to predict HIV epidemic potential among PWID. METHODS: Two population-level models were constructed to simulate the evolution of HCV and HIV epidemics among PWID...
December 3, 2016: BMC Public Health
https://www.readbyqxmd.com/read/27906906/vital-signs-trends-in-hiv-diagnoses-risk-behaviors-and-prevention-among-persons-who-inject-drugs-united-states
#2
Cyprian Wejnert, Kristen L Hess, H Irene Hall, Michelle Van Handel, Demorah Hayes, Paul Fulton, Qian An, Linda J Koenig, Joseph Prejean, Linda A Valleroy
BACKGROUND: Persons who inject drugs (PWID) are at increased risk for poor health outcomes and bloodborne infections, including human immunodeficiency virus (HIV), hepatitis C virus and hepatitis B virus infections. Although substantial progress has been made in reducing HIV infections among PWID, recent changes in drug use could challenge this success. METHODS: CDC used National HIV Surveillance System data to analyze trends in HIV diagnoses. Further, National HIV Behavioral Surveillance interviews of PWID in 22 cities were analyzed to describe risk behaviors and use of prevention services among all PWID and among PWID who first injected drugs during the 5 years before their interview (new PWID)...
December 2, 2016: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/27903948/characterizing-patients-with-very-low-level-hiv-viremia-a-community-based-study
#3
Elie Helou, Sheela Shenoi, Tassos Kyriakides, Marie-Louise Landry, Michael Kozal, Lydia Aoun Barakat
OBJECTIVE: Very-low-level viremia (VLLV) is a relatively new concept in the realm of human immunodeficiency virus (HIV) care. Newer generation assays are now able to detect plasma HIV RNA Viral Load (VL) levels as low as 20 copies/mL. The authors characterized patients with VLLV (VL between 20 and 50 copies/mL) in order to identify possible risk factors associated with virologic failure and poor clinical outcomes. METHODS: The authors reviewed 119 consecutive charts of patients with VLLV...
November 30, 2016: Journal of the International Association of Providers of AIDS Care
https://www.readbyqxmd.com/read/27902325/targeting-naturally-occurring-epitope-variants-of-hepatitis-c-virus-with-high-affinity-t-cell-receptors
#4
Huajun Zhang, Jianbing Zhang, Lei Chen, Zhiming Weng, Ye Tian, Haifeng Zhao, Youjia Li, Lin Chen, Zhaoduan Liang, Hongjun Zheng, Wenzhuo Zhao, Shi Zhong, Yi Li
Hepatitis C virus (HCV) readily establishes chronic infection, which is characterized by failure of virus-specific CD8+ T cells. HCV uses epitope mutation and T-cell exhaustion to escape from the host immune response. Previously, we engineered high-affinity T-cell receptors (HATs) targeting HIV escape mutants. In this study, the affinity of a T-cell receptor specific for the human leukocyte antigen (HLA)-A2-restricted HCV immunodominant epitope NS3 1406-1415 (KLVALGINAV) was improved from a KD of 6.6 µM to 40 pM...
November 11, 2016: Journal of General Virology
https://www.readbyqxmd.com/read/27898593/coinfection-with-hiv-and-hepatitis-c-virus-in-229-children-and-young-adults-living-in-europe
#5
(no author information available yet)
OBJECTIVE: To characterize children, adolescents and young adults infected with HIV/hepatitis C virus (HCV) vertically or before age of 18 years and living in Europe regarding mode of acquisition, HCV genotype, clinical status and treatment. DESIGN: Retrospective, cross-sectional study using pooled data from 11 European paediatric HIV cohorts. METHODS: Patients aged more than 18 months and less than 25 years, with HIV/HCV acquired vertically or in childhood, were included...
January 2, 2017: AIDS
https://www.readbyqxmd.com/read/27898592/the-hepatitis-c-virus-nonstructural-protein-3-q80k-polymorphism-is-frequently-detected-and-transmitted-among-hiv-infected-msm-in-the-netherlands
#6
Astrid M Newsum, Cynthia K Y Ho, Faydra I Lieveld, Thijs J W van de Laar, Sylvie M Koekkoek, Sjoerd P Rebers, Jan T M van der Meer, Anne M J Wensing, Greet J Boland, Joop E Arends, Karel J van Erpecum, Maria Prins, Richard Molenkamp, Janke Schinkel
OBJECTIVES: The Q80K polymorphism is a naturally occurring resistance-associated variant in the hepatitis C virus (HCV) nonstructural protein 3 (NS3) region and is likely transmissible between hosts. This study describes the Q80K origin and prevalence among HCV risk groups in the Netherlands and examines whether Q80K is linked to specific transmission networks. DESIGN AND METHODS: Stored blood samples from HCV genotype 1a-infected patients were used for PCR and sequencing to reconstruct the NS3 maximum likelihood phylogeny...
January 2, 2017: AIDS
https://www.readbyqxmd.com/read/27896573/greater-decline-in-memory-and-global-neurocognitive-function-in-hiv-hepatitis-c-co-infected-than-in-hepatitis-c-mono-infected-patients-treated-with-pegylated-interferon-and-ribavirin
#7
Theodore R Miller, Jeffrey J Weiss, Norbert Bräu, Douglas T Dieterich, Alicia Stivala, Monica Rivera-Mindt
The human immunodeficiency virus (HIV), hepatitis C virus (HCV), and the treatment of HCV with pegylated interferon and ribavirin (IFN/RBV) have been associated with neurocognitive and psychiatric abnormalities. The goal of this research was to prospectively evaluate neurocognitive functioning among a group of HCV mono-infected and HIV/HCV co-infected patients during the first 24 weeks of IFN/RBV treatment while accounting for practice effects, normal variations in change over time, and variations in IFN/RBV treatment exposure...
November 28, 2016: Journal of Neurovirology
https://www.readbyqxmd.com/read/27895236/a-review-of-single-tablet-regimens-for-the-treatment-of-hiv-1-infection
#8
REVIEW
Jamielynn C Sebaaly, Denise Kelley
OBJECTIVE: To review the pharmacokinetics, safety, drug-drug interactions, and advantages and disadvantages of currently available single-tablet regimens (STRs) for HIV-1 infection. DATA SOURCES: A search using PubMed was conducted (up to September 2016) using the following keywords: single tablet regimen AND HIV Additionally, a PubMed search was conducted for each individual STR using the generic names of the agents. Articles were evaluated for content, and additional references were identified from a review of literature citations...
November 27, 2016: Annals of Pharmacotherapy
https://www.readbyqxmd.com/read/27892847/international-adoption-from-ethiopia-an-overview-of-the-health-status-at-arrival-in-belgium
#9
Lydia Van Kesteren, Marek Wojciechowski
BACKGROUND: Ethiopia is a densely populated country with a fast growing economy. Still socioeconomic and health issues render many children parentless. One thousand and twenty eight Ethiopian children have been adopted in Belgium from September 2005 to September 2015. Little has been published about their health status at arrival. METHODS: Three hundred and fifteen children adopted from Ethiopia were clinically evaluated at the Institute of Tropical Medicine in Antwerp from 1 January 2008 until 31 December 2014...
November 28, 2016: Acta Clinica Belgica
https://www.readbyqxmd.com/read/27891360/why-should-viral-markers-be-mandatory-in-ocular-surgeries-a-hospital-based-retrospective-study
#10
Anita Ambastha, Rakhi Kusumesh, Gyan Bhasker
INTRODUCTION: Hepatitis B Virus (HBV), Hepatitis C Virus (HCV) and Human Immunodeficiency Virus I, II (HIV-I,II) are serious global and public health problem. Knowledge of the seroprevalence would enable early diagnosis, treatment of patients and also help in prevention of horizontal spread of infection by application of universal infection control measures. AIM: To determine the seroprevalence of HBV, HCV and HIV I, II infection in patients undergoing ocular surgery...
October 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27888600/-darunavir-cobicistat-monotherapy-experience-in-a-tertiary-hospital
#11
L Yunquera-Romero, R Asensi-Díez, J C Del Rio-Valencia, I Muñoz-Castillo, M A Castaño-Carracedo
OBJECTIVE: Ritonavir-boosted protease inhibitor (IP/r) monotherapy: darunavir/ritonavir (DRV/r) or lopinavir/ritonavir (LPV/r) monotherapy is only provided in the major treatment guidelines in pretreated patients to prevent toxicity associated with nucleoside/nucleotide reverse transcriptase inhibitor (NRTI), reduce costs and simplify antiretroviral treatment. To start IP/r monotherapy, according to GESIDA guidelines 2016, patients need to meet the following criteria: absence of chronic hepatitis B, plasma viral load <50 copies/ mL for at least 6 months and absence of protease inhibitors mutations or previous virologic failures to IP/r...
December 2016: Revista Española de Quimioterapia: Publicación Oficial de la Sociedad Española de Quimioterapia
https://www.readbyqxmd.com/read/27888126/understanding-the-complex-evolution-of-rapidly-mutating-viruses-with-deep-sequencing-beyond-the-analysis-of-viral-diversity
#12
REVIEW
Preston Leung, Auda A Eltahla, Andrew R Lloyd, Rowena A Bull, Fabio Luciani
With the advent of affordable deep sequencing technologies, detection of low frequency variants within genetically diverse viral populations can now be achieved with unprecedented depth and efficiency. The high-resolution data provided by next generation sequencing technologies is currently recognised as the gold standard in estimation of viral diversity. In the analysis of rapidly mutating viruses, longitudinal deep sequencing datasets from viral genomes during individual infection episodes, as well as at the epidemiological level during outbreaks, now allow for more sophisticated analyses such as statistical estimates of the impact of complex mutation patterns on the evolution of the viral populations both within and between hosts...
November 22, 2016: Virus Research
https://www.readbyqxmd.com/read/27882759/-management-of-care-of-hiv-positive-pregnant-women-in-the-period-1996-2014
#13
M Mojhová, I Mikysková, M Halaška, M Staňková, H Rozsypal, J Šrámek, J Záhumenský, M Malý
OBJECTIVE: The evaluation of multidisplinary care about HIV positive pregnant women in the Czech Republic. DESIGN: Review. SETTINGS: Gynekologicko-porodnická klinika 1. LF UK a Nemocnice na Bulovce, Praha. METHODS: The vertical transmission of HIV infection from mother to fetus occurs most often during birth, still 1-2% of HIV-positive pregnant women will transfer the virus transplacenta. Due to careful screening for HIV during pregnancy, counselling, combination antiretroviral (cART) therapy, childbirth planning and its performance by C-section there appears a significant decrease of the virus transmission to the fetus, its occurrence is around 2%...
2016: Ceská Gynekologie
https://www.readbyqxmd.com/read/27882706/high-frequency-of-potential-interactions-between-direct-acting-antivirals-and-concomitant-therapy-in-hiv-hepatitis-c-virus-coinfected-patients-in-clinical-practice
#14
J Macías, P Monge, M Mancebo, N Merchante, K Neukam, L M Real, J A Pineda
OBJECTIVES: The aim of the study was to analyse the frequency and degree of potential drug-drug interactions (DDIs) between direct-acting antivirals (DAAs) and concomitant medication used by HIV/hepatitis C virus (HCV)-coinfected patients, including antiretroviral therapy (ART) and other drugs. METHODS: All patients with HIV infection and viraemic HCV genotype 1, 3 or 4 coinfection attending a tertiary care centre in Spain (November 2014 to November 2015) were included in the study...
November 24, 2016: HIV Medicine
https://www.readbyqxmd.com/read/27882678/a-molecular-transmission-network-of-recent-hepatitis-c-infection-in-people-with-and-without-hiv-implications-for-targeted-treatment-strategies
#15
S R Bartlett, J O Wertheim, R A Bull, G V Matthews, F M J Lamoury, K Scheffler, M Hellard, L Maher, G J Dore, A R Lloyd, T L Applegate, J Grebely
Combining phylogenetic and network methodologies has the potential to better inform targeted interventions to prevent and treat infectious diseases. This study reconstructed a molecular transmission network for people with recent hepatitis C virus (HCV) infection and modelled the impact of targeting directly acting antiviral (DAA) treatment for HCV in the network. Participants were selected from three Australian studies of recent HCV from 2004 to 2014. HCV sequence data (Core-E2) from participants at the time of recent HCV detection were analysed to infer a network by connecting pairs of sequences whose divergence was ≤...
November 24, 2016: Journal of Viral Hepatitis
https://www.readbyqxmd.com/read/27882070/serological-patterns-and-molecular-characterization-of-occult-hepatitis-b-virus-infection-among-blood-donors
#16
Hong Lin, Hong Zhao, Xinyi Tang, Wenjia Hu, Nizheng Jiang, Shaowen Zhu, Chengyin Huang
BACKGROUND: Hepatitis B infections, characterized by the presence of a viral genome without detectable hepatitis B surface antigen (HBsAg; Occult hepatitis B infection [OBI]), have been reported recently. OBJECTIVES: We performed serological and molecular characterization of OBI among blood donors at Jiangsu province blood center during years 2013 and 2014. METHODS: All donor samples were routinely screened by double enzyme-linked immunosorbent assay (ELISA) for hepatitis C virus (HCV), hepatitis B virus (HBV), human immunodeficiency virus (HIV), Treponema pallidum (TP), and alanine aminotransferase (ALT)...
October 2016: Hepatitis Monthly
https://www.readbyqxmd.com/read/27875997/identification-of-the-transcripts-associated-with-spontaneous-hcv-clearance-in-individuals-co-infected-with-hiv-and-hcv
#17
Yue Chen, Chengli Shen, Debjani Guha, Ming Ding, Scott Kulich, Aiymkul Ashimkhanova, Charles Rinaldo, Eric Seaberg, Joseph B Margolick, Valentina Stosor, Otoniel Martínez-Maza, Phalguni Gupta
BACKGROUND: Infection with human immunodeficiency virus (HIV) influences the outcome and natural disease progression of hepatitis C virus (HCV) infection. While the majority of HCV mono-infected and HCV/HIV co-infected subjects develop chronic HCV infection, 20-46% of mono- and co-infected subjects spontaneously clear HCV infection. The mechanism underlying viral clearance is not clearly understood. Analysis of differential cellular gene expression (mRNA) between HIV-infected patients with persistent HCV infection or spontaneous clearance could provide a unique opportunity to decipher the mechanism of HCV clearance...
November 22, 2016: BMC Infectious Diseases
https://www.readbyqxmd.com/read/27872683/safe-and-effective-sofosbuvir-based-therapy-in-patients-with-mental-health-disease-on-hepatitis-c-virus-treatment
#18
Lydia Shuk Yee Tang, Jack Masur, Zayani Sims, Amy Nelson, Anu Osinusi, Anita Kohli, Sarah Kattakuzhy, Michael Polis, Shyam Kottilil
AIM: To study impact of baseline mental health disease on hepatitis C virus (HCV) treatment; and Beck's Depression Inventory (BDI) changes with sofosbuvir- and interferon-based therapy. METHODS: This is a retrospective cohort study of participants from 5 studies enrolled from single center trials conducted at the Clinical Research Center of the National Institutes of Health, Bethesda, MD, United States. All participants were adults with chronic HCV genotype 1 infection and naïve to HCV therapy...
November 8, 2016: World Journal of Hepatology
https://www.readbyqxmd.com/read/27872681/alcohol-use-disorder-and-its-impact-on-chronic-hepatitis-c-virus-and-human-immunodeficiency-virus-infections
#19
REVIEW
Daniel Fuster, Arantza Sanvisens, Ferran Bolao, Inmaculada Rivas, Jordi Tor, Robert Muga
Alcohol use disorder (AUD) and hepatitis C virus (HCV) infection frequently co-occur. AUD is associated with greater exposure to HCV infection, increased HCV infection persistence, and more extensive liver damage due to interactions between AUD and HCV on immune responses, cytotoxicity, and oxidative stress. Although AUD and HCV infection are associated with increased morbidity and mortality, HCV antiviral therapy is less commonly prescribed in individuals with both conditions. AUD is also common in human immunodeficiency virus (HIV) infection, which negatively impacts proper HIV care and adherence to antiretroviral therapy, and liver disease...
November 8, 2016: World Journal of Hepatology
https://www.readbyqxmd.com/read/27869441/immunology-update-primary-immunodeficiency-diseases
#20
S Paul Starr
There are 264 primary immunodeficiencies (PIDs), most of which are rare. They are caused by complement deficiencies, defects in phagocyte function, impaired T-cell function, and/or impaired B-cell function with antibody deficiencies. Most patients with PIDs will present, at varying ages, with frequent infections. These infections can be common respiratory tract infections such as otitis media or pneumonia, or they can be unusual bacterial, fungal, or parasitic infections. Neonatal screening for severe combined immunodeficiency syndrome, one of the most common and serious PIDs, is now performed in most US states, but many PIDs manifest and are detected after birth...
November 2016: FP Essentials
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