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https://www.readbyqxmd.com/read/27896895/five-year-efficacy-and-safety-of-tenofovir-based-salvage-therapy-for-patients-with-chronic-hepatitis-b-who-previously-failed-lam-adv-therapy
#1
Lucy Lim, Alexander Thompson, Scott Patterson, Jacob George, Simone Strasser, Alice Lee, William Sievert, Amanda Nicoll, Paul Desmond, Stuart Roberts, Kaye Marion, Scott Bowden, Stephen Locarnini, Peter Angus
BACKGROUND: Multidrug resistant HBV continues to be an important clinical problem. The TDF-109 study demonstrated that TDF±LAM is effective salvage therapy through 96 weeks for LAM resistant patients who previously failed ADV add-on or switch therapy. We evaluated the 5 year efficacy and safety outcomes in patients receiving long-term TDF±LAM in the TDF-109 study. METHODS: 59 patients completed the first phase of the TDF-109 study and 54/59 were rolled over into a long-term prospective open-label study of TDF±LAM 300mg daily...
November 29, 2016: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/27602500/pre-existing-mutations-related-to-tenofovir-in-chronic-hepatitis-b-patients-with-long-term-nucleos-t-ide-analogue-drugs-treatment-by-ultra-deep-pyrosequencing
#2
Xiaxia Zhang, Minran Li, Hongli Xi, Renwen Zhang, Jianhong Chen, Yu Zhang, Xiaoyuan Xu
AIMS: The dynamics of resistance-associated mutations under combination therapy were explored. METHODS: A total of 46 patients were classified into adefovir (n=14) and entecavir (n=32) groups. In the adefovir (ADV) group, six patients receiving combined therapy were DNA-positive after more than 3 years of therapy. Ultra-deep pyrosequencing was used to analyze the dynamics of multi-drugs resistance mutations. RESULTS: At baseline, all 46 treatment-naïve patients harbored rtA181V/T substitutions (1...
September 2, 2016: Oncotarget
https://www.readbyqxmd.com/read/27482652/brincidofovir-clearance-of-acyclovir-resistant-herpes-simplex-virus-1-and-adenovirus-infection-after-stem-cell-transplantation
#3
S Voigt, J Hofmann, A Edelmann, A Sauerbrei, J-S Kühl
Infections with adenovirus (AdV) and herpesviruses can result in considerable morbidity and mortality in pediatric hematopoietic stem cell transplant (SCT) recipients. Herpes simplex virus (HSV) reactivations are usually prevented by acyclovir (ACV) prophylaxis, whereas cidofovir (CDV) has been used off indication to manage AdV infections. We report a child with myelodysplastic syndrome undergoing multiple SCT, who experienced HSV-1 disease including severe mucositis and herpetic whitlow, as well as high viral load AdV DNAemia...
October 2016: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/27364728/a-five-years-study-of-antiviral-effect-of-entecavir-in-chinese-chronic-hepatitis-b-patients
#4
Kehui Liu, Xiaogang Xiang, Rebecca Bao, Rong Chen, Yunye Liu, Jingdong Xie, Qing Guo, Shisan Bao, Qing Xie, Hui Wang
Entecavir (ETV) is a potent viral replication inhibitor for chronic hepatitis B (CHB) patients. To investigate the efficacy of ETV in Chinese nucleos(t)ide(NA)-experienced CHB patients. Among 89 CHB patients with ETV monotherapy for ≥6 months, 33/89 (37%) or 56/89 (73%) were NA-naïve or NA-experienced. During a median follow-up of 5.75 years, all NA-naïve CHB patients achieved VR without genotypic ETV-resistance. However, VR was observed in 50/56 (~90%) of NA-experienced CHB patients during a median follow-up of 4...
2016: Scientific Reports
https://www.readbyqxmd.com/read/27357598/durability-of-the-virological-response-after-lamivudine-discontinuation-in-lamivudine-resistant-patients-with-a-complete-virological-response-after-lamivudine-and-adefovir-combination-therapy
#5
Mi Na Kim, Jun Yong Park, Sang Hoon Ahn, Beom Kyung Kim, Seung Up Kim, Do Young Kim, Kwang-Hyub Han
We investigated the durability of virological response after lamivudine (LAM) discontinuation in LAM-resistant chronic hepatitis B (CHB) patients with complete virological response after LAM-adefovir (ADV) combination therapy. We enrolled 58 patients switched to ADV monotherapy with undetectable viral loads (< 12 IU/ml) and normal alanine aminotransferase levels after ADV add-on combination treatment for at least 6 months in LAM-resistant CHB patients. Virologic relapse was defined as HBV DNA detection at more than 20 IU/ml by quantitative polymerase chain reaction determined on two consecutive measurements...
June 30, 2016: Journal of Medical Virology
https://www.readbyqxmd.com/read/27206517/entecavir-plus-tenofovir-combination-therapy-for-chronic-hepatitis-b-in-patients-with-previous-nucleos-t-ide-treatment-failure
#6
Fabien Zoulim, Jolanta Białkowska-Warzecha, Mircea Mihai Diculescu, Adrian Eugen Goldis, Renate Heyne, Tomasz Mach, Patrick Marcellin, Jörg Petersen, Krzysztof Simon, Soumaya Bendahmane, Isabelle Klauck, Wojciech Wasiak, Harry L A Janssen
BACKGROUND AND AIMS: In patients with chronic hepatitis B (CHB) who have failed on other nucleos(t)ide analogs (NUCs), the combination of entecavir (ETV) plus tenofovir disoproxil fumarate (TDF), two potent agents with non-overlapping resistance profiles, may provide a single rescue regimen. METHODS: In this single-arm, open-label study, 92 CHB patients with a primary non-response, partial response, or virologic breakthrough on their current NUC were switched to ETV (1 mg) plus TDF (300 mg) and treated for 96 weeks...
September 2016: Hepatology International
https://www.readbyqxmd.com/read/27016894/profile-of-hbv-polymerase-gene-mutations-during-entecavir-treatment-in-patients-with-chronic-hepatitis-b
#7
Mei Sun, Guolei Tan, Jinyun Song, Jianfang Wang, Xuping Wu
BACKGROUND/AIMS: We investigated the efficacy of entecavir (ETV) monotherapy in 54 naïve patients and 27 lamivudine (LMV) and/or adefovir (ADV) experienced patients. METHODS: Eighty-one chronic hepatitis B patients with a viral load above 4 log 10 copies/ml and high levels of serum alanine aminotransferase were treated with ETV 0.5mg daily. The viruses of patients were sequenced before ETV therapy and after every three months of ETV therapy. RESULTS: Eight LAM-experienced and ADV-experienced patients emerged mutations in the ETV treatment...
March 23, 2016: Clinics and Research in Hepatology and Gastroenterology
https://www.readbyqxmd.com/read/25923228/entecavir-combined-with-adefovir-ameliorates-patients-with-chronic-hepatitis-b-who-fail-to-respond-to-nucleotide-acid-analog-monotherapy
#8
Xiang-Yong Li, Xu You, Yu-Sheng Jie, Guo-Li Lin, Yuan-Kai Wu, Ming-Xing Huang, Min Zhang, Zhan-Yi Li, Dong-Ying Xie, Zhi-Liang Gao, Yu-Tian Chong
The aim of this study was to evaluate the efficacy and safety of entecavir (ETV) combined treatment with adefovir (ADV) on chronic hepatitic B (CHB) patients who failed to respond to nucleotide (acid) analog (NA) treatment. On this basis, the possible factors in the combined treatment of these patients will be analyzed. The safety, biochemical index, and the possible factors that might affect the ETV and ADV combined treatment at different points in time were retrospectively analyzed. The biochemical index included the following: virological response, hepatitis B virus (HBV) DNA decline, primary nonresponse, biochemical response, and the hepatitis B virus E antigen/hepatitis B virus E antibody seroconversion rate...
April 25, 2015: American Journal of Therapeutics
https://www.readbyqxmd.com/read/25742145/clinical-course-of-chronic-hepatitis-b-patients-receiving-nucleos-t-ide-analogues-after-virological-breakthrough-during-monotherapy-with-lamivudine
#9
Maria Antonia De Francesco, Franco Gargiulo, Angiola Spinetti, Serena Zaltron, Cinzia Giagulli, Francesca Caccuri, Francesco Castelli, Arnaldo Caruso
Little is known about the optimal management of patients with chronic hepatitis B (CHB) who develop drug resistance. The aim of this study was to investigate the effectiveness of different drug regimens in chronically HBV-infected patients. HBV viral load was determined using a bDNA assay and the substitutions in HBV-DNA were studied by polymerase sequencing test. The study involved 38 patients who experienced a therapeutic failure to lamivudine (LAM). The sequential treatments used were: LAM + adefovir (ADV), LAM + tenofovir (TDF), entecavir (ETV) monotherapy, ADV monotherapy and TDF monotherapy...
January 2015: New Microbiologica
https://www.readbyqxmd.com/read/25671826/lam-add-on-adv-combination-therapy-or-etv-monotherapy-for-chb-patients-with-suboptimal-response-to-adv
#10
RANDOMIZED CONTROLLED TRIAL
Hongyu Jia, Feng Ding, Jianyang Chen, Yimin Zhang, Dairong Xiang, Jiangshan Lian, Linyan Zeng, Liang Yu, Jianhua Hu, Yongtao Li, Yingfeng Lu, Yuanchun Liu, Lin Zheng, Lanjuan Li, Yida Yang
INTRODUCTION: Among the available nucleos(t)ide analogues adefovir dipivoxil (ADV) is relatively cheap and widely used in rural area in China. However, there are insufficient data on recommendation for patients with suboptimal response to ADV after 48 weeks of treatment in order to reduce the resistance rate in the long term. The aim of this study was to compare the efficacy and safety of LAM add-on combination therapy versus ETV monotherapy for patients with suboptimal response to ADV...
March 2015: Annals of Hepatology
https://www.readbyqxmd.com/read/25395224/dating-violence-and-substance-use-exploring-the-context-of-adolescent-relationships
#11
Charlene K Baker
The connection between adolescent dating violence (ADV) and substance use is important to consider because of the serious consequences for teens who engage in these behaviors. Although prior research shows that these two health problems are related, the context in which they occur is missing, including when (i.e., the timeline) in the relationship these events occur. To fill this gap, eight sex-specific focus groups were conducted with 39 high school-aged teens, all of whom had experienced prior relationship violence...
March 2016: Journal of Interpersonal Violence
https://www.readbyqxmd.com/read/25168842/safety-and-efficacy-of-entecavir-in-adefovir-experienced-patients
#12
Nghia H Nguyen, Huy N Trinh, Thuan T Nguyen, Son T Do, Phuong Tran, Huy A Nguyen, Khanh K Nguyen, Ruel T Garcia, Glen A Lutchman, Mindie H Nguyen
BACKGROUND AND AIM: Suboptimal viral suppression with adefovir (ADV) poses a challenge in managing chronic hepatitis B. Few studies have evaluated the efficacy of entecavir (ETV) in ADV-experienced patients. Our aim is to assess treatment effectiveness of ETV in ADV-experienced patients. METHODS: ADV-experienced patients switched to ETV were enrolled from six US clinics. Patients completed a median of 24 months of ETV after switch. Patients were categorized into partial responders (detectable HBV-DNA at switch) or complete responders (undetectable HBV-DNA at switch) to ADV...
January 2015: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/25032183/rescue-therapy-with-adefovir-in-decompensated-liver-cirrhosis-patients-with-lamivudine-resistant-hepatitis-b-virus
#13
MULTICENTER STUDY
Hyun Young Woo, Jong Young Choi, Seung Kew Yoon, Dong Jin Suh, Seung Woon Paik, Kwang Hyub Han, Soon Ho Um, Byung Ik Kim, Heon Ju Lee, Mong Cho, Chun Kyon Lee, Dong Joon Kim, Jae Seok Hwang
BACKGROUND/AIMS: Adefovir dipivoxil (ADV) is a nucleotide analogue that is effective against lamivudine-resistant hepatitis B virus (HBV). The aim of this study was to determine the long-term clinical outcomes after ADV rescue therapy in decompensated patients infected with lamivudine-resistant HBV. METHODS: In total, 128 patients with a decompensated state and lamivudine-resistant HBV were treated with ADV at a dosage of 10 mg/day for a median of 33 months in this multicenter cohort study...
June 2014: Clinical and Molecular Hepatology
https://www.readbyqxmd.com/read/24824118/-long-term-efficacy-and-safety-of-telbivudine-as-monotherapy-and-as-combination-therapy-with-adefovir-dipivoxil-in-hbeag-positive-chronic-hepatitis-b-patients
#14
RANDOMIZED CONTROLLED TRIAL
Yunhua Liu, Li Liu, Dan Peng, Weikun Li, Yingrong Du, Ting Jia, Lixian Chang, Huimin Li
OBJECTIVE: To prospectively observe the long-term antiviral efficacy and safety of telbivudine (LDT) administered as a monotherapy and as a combination therapy with adefovir dipivoxil (ADV) in patients diagnosed with chronic hepatitis B (CHB) and positivity for hepatitis B e antigen (HBeAg). METHODS: A total of 140 patients with HBeAg-positive CHB were randomly divided into treatment groups for LDT monotherapy (n = 75; 600 mg orally, once daily) and LDT+ADV combination therapy (n = 65; LDT 600 mg plus ADV 10 mg orally, once daily)...
March 2014: Zhonghua Gan Zang Bing za Zhi, Zhonghua Ganzangbing Zazhi, Chinese Journal of Hepatology
https://www.readbyqxmd.com/read/24678900/spontaneous-and-adenosine-induced-pulmonary-vein-reconnection-after-cryoballoon-ablation-with-the-second-generation-device
#15
Giuseppe Ciconte, Gian-Battista Chierchia, Carlo DE Asmundis, Juan Sieira, Giulio Conte, Justo Juliá, Giacomo DI Giovanni, Kristel Wauters, Giannis Baltogiannis, Yukio Saitoh, Giacomo Mugnai, Domenico Catanzariti, Claudio Tondo, Pedro Brugada
INTRODUCTION: Longer observational time and adenosine challenge have proven to be able to detect pulmonary vein (PV) reconnections. The aim of this study was to assess incidence of spontaneous and adenosine-induced PV reconnection after ablation with second-generation cryoballoon (CB-Adv). METHODS AND RESULTS: Fifty consecutive patients (76% male, mean age 60.5 ± 11.9 years) having undergone PV isolation (PVI) using the CB-Adv were enrolled. After isolation, reconnections were evaluated using the Achieve catheter over 30 minutes observation and adenosine administration during isoproterenol infusion (adenosine challenge)...
August 2014: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/24673792/efficacy-and-resistance-in-de-novo-combination-lamivudine-and-adefovir-dipivoxil-therapy-versus-entecavir-monotherapy-for-the-treatment-naive-patients-with-chronic-hepatitis-b-a-meta-analysis
#16
REVIEW
Fen Liu, Xiwei Wang, Fang Wei, Huaidong Hu, Dazhi Zhang, Peng Hu, Hong Ren
BACKGROUND: Currently, there is no consensus on the efficacy and resistance of de novo combination therapy versus monotherapy for treatment naive patients of chronic hepatitis B (CHB). OBJECTIVES: The aim of this study was to evaluate the effectiveness and resistance of de novo combination of lamivudine (LAM) and adefovir dipivoxil (ADV) compared with entecavir (ETV) monotherapy for nucleos(t)ide-naive patients with CHB. STUDY DESIGN: Publications on the effectiveness and resistance of LAM plus ADV versus ETV monotherapy for nucleos(t)ide-naive patients with CHB were identified by a search of PubMed, Embase, the Cochrane Library, Web of science, OVID, and CBM (Chinese Biological Medical Literature) until May 1, 2013...
2014: Virology Journal
https://www.readbyqxmd.com/read/24587198/establishment-of-real-time-allele-specific-locked-nucleic-acid-quantitative-pcr-for-detection-of-hbv-yidd-att-mutation-and-evaluation-of-its-application
#17
Yongbin Zeng, Dezhong Li, Wei Wang, Mingkuan Su, Jinpiao Lin, Huijuan Chen, Ling Jiang, Jing Chen, Bin Yang, Qishui Ou
BACKGROUND: Long-term use of nucleos(t)ide analogues can increase risk of HBV drug-resistance mutations. The rtM204I (ATT coding for isoleucine) is one of the most important resistance mutation sites. Establishing a simple, rapid, reliable and highly sensitive assay to detect the resistant mutants as early as possible is of great clinical significance. METHODS: Recombinant plasmids for HBV YMDD (tyrosine-methionine-aspartate-aspartate) and YIDD (tyrosine-isoleucine-aspartate-aspartate) were constructed by TA cloning...
2014: PloS One
https://www.readbyqxmd.com/read/24517926/efficacy-of-tenofovir-in-adefovir-experienced-patients-compared-with-treatment-naive-patients-with-chronic-hepatitis-b
#18
MULTICENTER STUDY
Onur Keskin, Asli C Ormeci, Bülent Baran, Gökhan Kabaçam, Ali Tüzün, Ersin Karatayli, Filiz Akyüz, Senem Karatayli, A Mithat Bozdayi, Derya Onel, Selim Badur, Ramazan Idilman, Sabahattin Kaymakoglu, Cihan Yurdaydin
BACKGROUND: Tenofovir (TDF) has similar antiviral efficacy in both treatment-naive and lamivudine-resistant chronic hepatitis B (CHB) patients. Data on TDF use in patients with adefovir (ADV) resistance is inconsistent. The aim of our study was to assess antiviral efficacy of TDF against nucleoside analogue-naive (NN) and ADV-resistant (ADV-R) CHB and suboptimal responders to ADV (ADV-S). METHODS: A database of 135 CHB patients treated with TDF was analysed. A total of 37 patients with incomplete data were excluded and analysis was performed in 98 (44 NN, 30 ADV-R and 24 ADV-S)...
2014: Antiviral Therapy
https://www.readbyqxmd.com/read/23800280/adverse-events-among-ontario-home-care-clients-associated-with-emergency-room-visit-or-hospitalization-a-retrospective-cohort-study
#19
Diane M Doran, John P Hirdes, Regis Blais, G Ross Baker, Jeff W Poss, Xiaoqiang Li, Donna Dill, Andrea Gruneir, George Heckman, Hélène Lacroix, Lori Mitchell, Maeve O'Beirne, Nancy White, Lisa Droppo, Andrea D Foebel, Gan Qian, Sang-Myong Nahm, Odilia Yim, Corrine McIsaac, Micaela Jantzi
BACKGROUND: Home care (HC) is a critical component of the ongoing restructuring of healthcare in Canada. It impacts three dimensions of healthcare delivery: primary healthcare, chronic disease management, and aging at home strategies. The purpose of our study is to investigate a significant safety dimension of HC, the occurrence of adverse events and their related outcomes. The study reports on the incidence of HC adverse events, the magnitude of the events, the types of events that occur, and the consequences experienced by HC clients in the province of Ontario...
2013: BMC Health Services Research
https://www.readbyqxmd.com/read/23467016/detection-of-rtn236t-mutation-associated-with-adefovir-dipivoxil-resistance-in-hepatitis-b-infected-patients-with-ymdd-mutations-in-tehran
#20
Seyed Hamidreza Monavari, Hossein Keyvani, Hamidreza Mollaie, Rouhollah Vahabpour Roudsari
BACKGROUND OBJECTIVES: The risk of adefovir dipivoxil resistance emergence has increased in lamivudine-resistant hepatitis B infected patients. The mutations known as causing adefovir resistance, rtN236T and rtA181V/T, are detected within the D and B functional domain of the HBV polymerase, respectively. In this study, we intended to determine the pre-existing adefovir-resistance mutations in patients infected with LAM resistant mutants prior to starting adefovir therapy. MATERIAL AND METHODS: The study included 30 patients with chronic hepatitis B with lamivudine resistance mutations in the YMDD motif that experienced viral breakthrough...
March 2013: Iranian Journal of Microbiology
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