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S Lee, S H Ahn, K S Jung, D Y Kim, B K Kim, S U Kim, O Baatarkhuu, H J Ku, K Han, J Y Park
We compared the viral suppressive efficacy of tenofovir disoproxil fumarate (TDF) mono-rescue therapy (TDF group) and TDF plus entecavir (ETV) combination-rescue therapy (TDF + ETV group) in chronic hepatitis B (CHB) patients with lamivudine resistance and entecavir resistance. One hundred and thirty-three CHB patients with lamivudine and entecavir resistance were investigated. Ninety-six patients were treated with TDF and 37 with TDF + ETV for at least 6 months. We compared the virologic response rate (HBV DNA level <20 IU/mL) between the two groups and identified the predictive factors of treatment outcome...
October 20, 2016: Journal of Viral Hepatitis
Arash Latifoltojar, Margaret Hall-Craggs, Neil Rabin, Rakesh Popat, Alan Bainbridge, Nikolaos Dikaios, Magdalena Sokolska, Ali Rismani, Shirley D'Sa, Shonit Punwani, Kwee Yong
Cross-sectional imaging techniques are being increasingly used for disease evaluation in patients with multiple myeloma. Whole body magnetic resonance imaging (WB-MRI) scanning is superior to plain radiography in baseline assessment of patients but changes following treatment have not been systematically explored. We carried out paired WB-MRI scans in 21 newly diagnosed patients prior to, and 8-weeks after, starting chemotherapy, and analysed stringently selected focal lesions (FLs) for parametric changes. A total of 323 FLs were evaluated, median 20 per patient...
October 21, 2016: British Journal of Haematology
Frank Tacke, Daniela C Kroy
Persistent hepatitis B virus (HBV) infections affect about 240 million patients worldwide that are at risk of developing liver cirrhosis or hepatocellular carcinoma. HBV is a small, partially double stranded DNA virus with four overlapping genes and a unique life cycle, which involves the generation of an RNA template for replication via reverse transcription. Mutations occur frequently during chronic infection, and particular selection pressures select distinct mutants. Nucleoside and nucleotide analogues like lamivudine (LMV), entecavir (ETV), telbivudine (LdT), adefovir dipivoxil (ADV) and tenofovir (TDF) are used to achieve long-term suppression of viral replication...
September 2016: Annals of Translational Medicine
Sivashanmugam Dhandapani, Madhivanan Karthigeyan, Sushanta K Sahoo, Vivek Gupta
BACKGROUND: Tectal gliomas (TG) are slow-growing tumors and generally present with features of increased intracranial pressure. CASE DESCRIPTION: We describe an unusual case of a young girl who presented with clinical triad of obesity, primary amenorrhea and central cord syndrome. The radiology unveiled a pentad of hydrocephalus, empty sella, suprapineal recess diverticulum, secondary Chiari malformation and cervical syringomyelia, masking a relatively obscure tectal plate glioma...
October 18, 2016: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
Xiao Li, Ping Gao, Boshi Huang, Zhongxia Zhou, Zhao Yu, Zheng Yuan, Huiqing Liu, Christophe Pannecouque, Dirk Daelemans, Erik De Clercq, Peng Zhan, Xinyong Liu
To further explore the chemical space around the entrance channel of HIV-1 reverse transcriptase (RT), a series of novel indolylarylsulfones (IASs) bearing N-substituted piperidine at indole-2-carboxamide were identified as potent HIV NNRTIs by structure-guided scaffold morphing and fragment rearrangement. All the IASs exhibited moderate to excellent potency against wild-type HIV-1 with EC50 values ranging from 0.62 μM to 0.006 μM 8 (EC50 = 6 nM) and 18 (EC50 = 9 nM) were identified as the most potent compounds, which were more active than NVP and DLV, and reached the same order of EFV and ETV...
October 5, 2016: European Journal of Medicinal Chemistry
Xiaoshu Li, Fangyuan Gao, Huimin Liu, Henghui Zhang, Yao Liu, Xieqiong Ye, Mingfan Geng, Le Sun, Rui Wang, Yuxin Li, Yuyong Jiang, Xiaojing Wang, Guiqin Zhou, Zhiyun Yang, Ang Li, Hui Zeng, Xianbo Wang
AIM: Hepatitis B virus (HBV)-related acute-on-chronic liver failure (ACLF) has significant morbidity and mortality. There is no standard approach for the management of HBV-related ACLF with nucleos(t)ide analogs. Our objective was to compare the short-term mortality between entecavir (ETV) and lamivudine (LAM) in patients with HBV-related ACLF. METHODS: We recruited 311 inpatients with HBV-related ACLF from December 2002 to January 2015. The patients were treated with ETV (n=143) or LAM (n=168)...
October 4, 2016: European Journal of Gastroenterology & Hepatology
Han Ah Lee, Yeon Seok Seo, Seung Woon Park, Sang Jung Park, Tae Hyung Kim, Sang Jun Suh, Young Kul Jung, Ji Hoon Kim, Hyunggin An, Hyung Joon Yim, Jong Eun Yeon, Kwan Soo Byun, Soon Ho Um
BACKGROUND/AIMS: Clear indicators for stopping antiviral therapy in chronic hepatitis B (CHB) patients are not yet available. Since the level of hepatitis B surface antigen (HBsAg) is correlated with covalently closed circular DNA, the HBsAg titer might be a good indicator of the off-treatment response. This study aimed to determine the relationship between the HBsAg titer and the entecavir (ETV) off-treatment response. METHODS: This study analyzed 44 consecutive CHB patients (age, 44...
September 2016: Clinical and Molecular Hepatology
Hong Joo Kim, Soo Kyung Park, Hyo Joon Yang, Yoon Suk Jung, Jung Ho Park, Dong Il Park, Yong Kyun Cho, Chong Il Sohn, Woo Kyu Jeon, Byung Ik Kim, Kyu Yong Choi
BACKGROUND/AIMS: To analyze the effects of preexisting lamivudine (LAM) resistance and applying antiviral treatment (adefovir [ADV] add-on LAM combination treatment) on long-term treatment outcomes, and comparing the clinical outcomes of antiviral-naïve chronic hepatitis B patients receiving entecavir (ETV) monotherapy. METHODS: This study enrolled 73 antiviral-naïve patients who received 0.5-mg ETV as an initial therapy and 54 patients who received ADV add-on LAM combination treatment as a rescue therapy from July 2006 to July 2010...
September 2016: Clinical and Molecular Hepatology
Saran Vardhanabhuti, David Katzenstein, John Bartlett, Nagalingeswaran Kumarasamy, Carole L Wallis
Background.  The mechanism of virologic failure (VF) of lopinavir/ritonavir (LPV/r) monotherapy is not well understood. We assessed sequence changes in human immunodeficiency virus-1 reverse-transcriptase (RT) and protease (PR) regions. Methods.  Human immunodeficiency virus-1 pol sequences from 34 participants who failed second-line LPV/r monotherapy were obtained at study entry (SE) and VF. Sequence changes were evaluated using phylogenetic analysis and hamming distance. Results.  Human immunodeficiency virus-1 sequence change was higher over drug resistance mutation (DRM) sites (median genetic distance, 2...
September 2016: Open Forum Infectious Diseases
Fumitaka Suzuki, Yoshiyuki Suzuki, Tetsuya Hosaka, Hitomi Sezaki, Norio Akuta, Shunichiro Fujiyama, Yusuke Kawamura, Masahiro Kobayashi, Satoshi Saitoh, Yasuji Arase, Kenji Ikeda, Mariko Kobayashi, Rie Mineta, Yukiko Suzuki, Hiromitsu Kumada
BACKGROUND: Few studies have investigated the efficacy of long-term tenofovir disoproxil fumarate (TDF)-based rescue therapy in patients with chronic hepatitis B refractory to nucleoside/nucleotide analogs. METHODS: We retrospectively analyzed 40 Japanese patients with chronic hepatitis B refractory to nucleoside/nucleotide analogs who received TDF-based rescue therapy [TDF monotherapy, TDF plus lamivudine (LAM) combination therapy, or TDF plus entecavir (ETV) combination therapy] followed up for a median of 45 months (range 14-99 months)...
October 3, 2016: Journal of Gastroenterology
Yad R Yadav, Vijay S Parihar, Mina Todorov, Yatin Kher, Ishwar D Chaurasia, Sonjjay Pande, Hemant Namdev
Hydrocephalus is one of the commonest complications of tuberculous meningitis (TBM). It can be purely obstructive, purely communicating, or due to combinations of obstruction in addition to defective absorption of cerebrospinal fluid (CSF). Endoscopic third ventriculostomy (ETV) as an alternative to shunt procedures is an established treatment for obstructive hydrocephalus in TBM. ETV in TBM hydrocephalus can be technically very difficult, especially in acute stage of disease due to inflamed, thick, and opaque third ventricle floor...
October 2016: Asian Journal of Neurosurgery
Fuchu Qian, Jiqu Qin, Dongli Li, Zhihong Ma, Hairong Zhang, Fang Jin, Weihong Wang
INTRODUCTION: Antiviral drug-resistance patterns of hepatitis B virus (HBV) mutants are complex and currently partly understood. The aim of this study was to monitor the genotypic resistance profile in patients with chronic hepatitis B (CHB) receiving nucleos(t)ide analogues (NAs) in Huzhou, eastern China. METHODOLOGY: Serum samples of 139 CHB patients undergoing NA treatment were obtained from Huzhou Central Hospital. The full-length HBV reverse transcriptase regions were amplified and sequenced...
September 30, 2016: Journal of Infection in Developing Countries
Naveen Kumar, Wisam Al-Faiadh, Jignesh Tailor, Conor Mallucci, Chris Chandler, Sanj Bassi, Benedetta Pettorini, Bassel Zebian
OBJECTIVES: The management of neonatal post-haemorrhagic hydrocephalus (nPHH) varies considerably between centres and even between neurosurgeons in the same centre. We performed a nationwide survey to evaluate current practice in the UK and reviewed the evidence for each intervention. METHODS: An online semi-structured questionnaire was emailed to all units registered on the British Paediatric Neurosurgery Group Mailing List. The survey consisted of 18 questions designed to establish the status quo in the management of nPHH, including preferred temporising procedure, factors guiding the timing of intervention and willingness to participate in a prospective study...
September 30, 2016: British Journal of Neurosurgery
Małgorzata Pawłowska, Krzysztof Domagalski, Beata Smok, Paweł Rajewski, Magdalena Wietlicka-Piszcz, Waldemar Halota, Andrzej Tretyn
This study evaluated the long-term (up to 4 years) efficacy and safety of entecavir ETV treatment and analysed the significance of baseline and on-treatment factors in long-term ETV outcomes in adolescents with chronic hepatitis B (CHB). We determined the cumulative virological and serological outcomes of 44 adolescents with CHB receiving ETV for up to 4 years. To investigate the dynamics of HBV DNA, ALT activity and hepatitis B e antigen (HBeAg) seroconversion over time and their associations with the considered factors, generalized estimating equation (GEE) models were used...
2016: PloS One
Jose Juan Sanchez Rodriguez, Jaime Torres Corzo, Dominic Shelby Cervantes, Roberto Rodriguez-DellaVecchia, Antonio Gordillo-Moscoso, Juan Manuel Vinas Rios, Martin Sanchez-Aguilar
Objective To compare the resolution rate of hydrocephalus after endoscopy (predominantly endoscopic third ventriculostomy [ETV]) using flexible endoscopes during a 5-year period in patients with a permeable and a nonpermeable subarachnoid space (SAS). Material and Methods We conducted a retrospective cohort study of the videos and records of 150 hydrocephalic patients chosen randomly who underwent ETV (and other endoscopic procedures) with a flexible endoscope. The patients were classified into two groups based on the neuroendoscopic findings...
September 29, 2016: Journal of Neurological Surgery. Part A, Central European Neurosurgery
Hui-Lian Wang, Xi Lu, Xudong Yang, Nan Xu
The relative efficacy of different strategies for chronic hepatitis B (CHB) patients with lamivudine resistance (LAM-R) has not yet been systematically studied. Clinical trials were searched in PUBMED, MEDLINE, EMBASE, and CNKI databases up to February 15, 2016. Nine trials including 764 patients met the entry criteria. In direct meta-analysis, TDF showed a stronger antiviral effect than any one of ETV, LAM/ADV, and ADV against LAM-R hepatitis B virus. LAM/ADV therapy was superior to ADV in suppressing viral replication...
2016: Gastroenterology Research and Practice
Teresa L Parsons, Mark A Marzinke
BACKGROUND: Analytical methodologies for antiretroviral (ARV) quantification are important in determining both systemic and localized drug concentrations. The CCR5-antagonist maraviroc (MVC), the non-nucleoside reverse transcriptase inhibitors (NNRTIs) etravirine (ETV) and rilpivirine (RPV), as well as the integrase strand transfer inhibitor (INSTI) raltegravir (RAL), have all been evaluated using both oral and non-oral dosing regimens, demonstrating a need for dynamic and sensitive bioanalytical tools for drug quantification in plasma and tissue...
November 30, 2016: Journal of Pharmaceutical and Biomedical Analysis
R W Foley, S Ndoro, D Crimmins, J Caird
INTRODUCTION: The endoscopic third ventriculostomy success score (ETVSS) is a model, which provides each patient with a prediction of the outcome of endoscopic third ventriculostomy. The objective of this study was to determine if there is clinical value to the use of the ETVSS in the decision for ETV. METHODS: Prospectively collected data on all ETV procedures with the Republic of Ireland in children ≤16 years of age, totalling 112, from 2008 to 2014 was analysed...
September 14, 2016: British Journal of Neurosurgery
Alexander G Weil, Harrison Westwick, Shelly Wang, Naif M Alotaibi, Lior Elkaim, George M Ibrahim, Anthony C Wang, Rojine T Ariani, Louis Crevier, Bethany Myers, Aria Fallah
PURPOSE: Endoscopic third ventriculostomy/choroid plexus cauterization (ETV/CPC) has gained popularity in its treatment of infantile hydrocephalus over the past decade. In this manuscript, we perform a systematic review and meta-analysis to determine the efficacy and safety of ETV/CPC, and to compare the procedural outcomes between North American and sub-Saharan African cohorts. METHODS: Systematic review was performed using four electronic databases and bibliographies of relevant articles, with no language or date restrictions...
September 9, 2016: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
Takatsugu Abe, Tomohiro Kawaguchi, Miki Fujimura, Teiji Tominaga
A 69-year-old woman presented with anorexia, fever, and vomiting. The patient was not a compromised host. She was finally diagnosed with <i>Listeria</i> meningitis and treated with ampicillin and gentamicin. However, her condition worsened over time. Non-contrast head CT showed ventricular dilatation. As a result, continuous right ventricular drainage was performed. Non-contrast MRI revealed hydrocephalus due to stenosis of the fourth ventricle. She underwent endoscopic third ventriculostomy(ETV)to improve cerebrospinal fluid circulation...
September 2016: No Shinkei Geka. Neurological Surgery
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