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https://www.readbyqxmd.com/read/29346270/resistance-to-hiv-integrase-inhibitors-about-r263k-and-e157q-mutations
#1
REVIEW
Charlotte Charpentier, Diane Descamps
The use of integrase inhibitors (INI) is increasing in antiretroviral therapies (ART) and INI are not all equal regarding genetic barrier to resistance. The aim of this manuscript was to review main in vivo and in vitro knowledge about two particular integrase resistance-associated mutations: R263K and E157Q. The R263K mutation was the first mutation rarely found selected at time of virological failure in patients failing a first-line dolutegravir-based treatment. Further in vitro studies on R263K mutants showed a moderate increase in phenotypic resistance level and a drastic reduction in viral replicative capacity...
January 18, 2018: Viruses
https://www.readbyqxmd.com/read/29343578/a-new-quinoline-brd4-inhibitor-targets-a-distinct-latent-hiv-1-reservoir-for-re-activation-from-other-shock-drugs
#2
Erik Abner, Mateusz Stoszko, Lei Zeng, Heng-Chang Chen, Andrea Izquierdo-Bouldstridge, Tsuyoshi Konuma, Eduard Zorita, Elisa Fanunza, Qiang Zhang, Tokameh Mahmoudi, Ming-Ming Zhou, Guillaume J Filion, Albert Jordan
Upon HIV-1 infection, a reservoir of latently infected resting T cells prevents the eradication of the virus from patients. To achieve complete depletion, the existing virus-suppressing antiretroviral therapy must be combined with drugs that reactivate the dormant viruses. We previously described a novel chemical scaffold compound, MMQO (8-methoxy-6-methylquinolin-4-ol) that is able to reactivate viral transcription in several models of HIV latency including J-Lat cells through an unknown mechanism. MMQO potentiates the activity of known latency-reversing agents (LRAs) or 'shock' drugs such as PKC agonists or HDAC inhibitors...
January 17, 2018: Journal of Virology
https://www.readbyqxmd.com/read/29342281/phenotypic-analysis-of-hiv-1-e157q-integrase-polymorphism-and-impact-on-virological-outcome-in-patients-initiating-an-integrase-inhibitor-based-regimen
#3
Charlotte Charpentier, Isabelle Malet, Elisabeth Andre-Garnier, Alexandre Storto, Laurence Bocket, Corinne Amiel, Laurence Morand-Joubert, Camille Tumiotto, Thuy Nguyen, Anne Maillard, Audrey Rodallec, Marie Leoz, Brigitte Montes, Véronique Schneider, Jean-Christophe Plantier, Julia Dina, Coralie Pallier, Audrey Mirand, Catherine Roussel, Anne Signori-Schmuck, Stéphanie Raymond, Vincent Calvez, Constance Delaugerre, Anne-Geneviève Marcelin, Diane Descamps
Objectives: To assess the phenotypic susceptibility of the E157Q polymorphism in HIV-1 integrase (IN) and the virological outcome of patients infected with E157Q-mutated virus initiating an IN inhibitor (INI)-based regimen. Methods: This was a multicentre study assessing IN sequences from INI-naive patients among 17 French HIV clinical centres. E157Q site-directed mutants in pNL4.3 and pCRF02_AG contexts were assessed in a recombinant phenotypic assay. Results: Prevalence of the E157Q polymorphism was 2...
January 12, 2018: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29337462/-antiretroviral-treatments-towards-simplified-regimens
#4
Olivier Nawej Tshikung, Alexandra Calmy
The chronicity of HIV infection and the use of antiretroviral therapy among all individuals living with HIV necessitate new treatment strategies. Alternatives to lifelong tri-therapy treatment are under investigation with the aim to improve the quality of life of patients. New therapies with longer half-lives or « biological » treatments are also under study in clinical trials in order to develop streamlined maintenance strategies. These simplified therapies represent the near future of HIV management both with regards to less toxic molecules and a change in the traditional dogma of tri-therapy, including the daily dose thanks to the possibility of dosage only on certain weekdays or via molecules under development with a long duration of action...
January 10, 2018: Revue Médicale Suisse
https://www.readbyqxmd.com/read/29334932/anemia-in-people-on-second-line-antiretroviral-treatment-in-lilongwe-malawi-a-cross-sectional-study
#5
McNeil Ngongondo, Nora E Rosenberg, Christopher C Stanley, Robertino Lim, Dennis Ongubo, Richard Broadhurst, Colin Speight, Robert Flick, Petros Tembo, Mina C Hosseinpour
BACKGROUND: Anemia is common among people living with HIV infection and is frequently associated with poor quality of life and poor prognosis. It has been well described in antiretroviral naïve individuals and those on non-nucleoside reverse transcriptase inhibitor-based first line antiretroviral therapy (ART) regimens. However there is limited information on anemia for ART experienced individuals on protease inhibitor-based second line ART regimens in resource limited settings. Our objective was to describe the prevalence and risk factors of anemia in this ART experienced population in Malawi...
January 15, 2018: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29334883/renal-outcomes-in-patients-initiated-on-tenofovir-disoproxil-fumarate-based-antiretroviral-therapy-at-a-community-health-centre-in-malawi
#6
Bongani Chikwapulo, Bagrey Ngwira, Jean Baptiste Sagno, Rhys Evans
Tenofovir-based antiretroviral therapy (TDF ART) is the first-line regimen for human immunodeficiency virus (HIV) in Africa. However, contemporary data on nephrotoxicity are lacking. We determined the renal outcomes of patients commenced on TDF ART in Malawi. ART-naïve patients initiated on TDF ART at a community health centre between 1 July 2013 and 31 December 2015 were included. The estimated glomerular filtration rate (eGFR, Cockcroft-Gault) was recorded at the initiation of therapy and over 18 months thereafter...
January 1, 2018: International Journal of STD & AIDS
https://www.readbyqxmd.com/read/29334711/-serologic-surveillance-indicators-analysis-among-syphilis-infected-pregnant-women-in-east-china
#7
L X Dou, Q Wang, X Y Wang, Y P Qiao, M Su, X Jin, A L Wang
Objective: To analyze serologic surveillance indicators during pregnancy among syphilis-infected women who delivered in 2013 in East China. Methods: Data were from national 'Information System of Prevention of Mother-to-child Transmission of HIV, syphilis and HBV Management' and in total 5 206 syphilis-infected pregnant women who delivered in 2013 and in East China were involved in the analysis. Information on demographic characters, laboratory tests, and treatment regimens were collected. The maternal non-treponemal testing surveillance and titer distribution were described and compare the proportions between pregnant women receiving standard testing and non-standard testing, taking baseline testing and testing before delivery or at the third trimester...
January 6, 2018: Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine]
https://www.readbyqxmd.com/read/29333065/hepatitis-c-infection-in-patients-with-hereditary-bleeding-disorders-epidemiology-natural-history-and-management
#8
REVIEW
Nikolaos Papadopoulos, Vasiliki Argiana, Melanie Deutsch
Hereditary bleeding disorders include a group of diseases with abnormalities of coagulation. Prior to 1990, infection with hepatitis C virus (HCV) was mainly transmitted via pooled plasma products as a treatment for hereditary bleeding disorders. Anti-HCV positivity in these patients may be as high as >70% in some areas, while some of them have also been coinfected with human immunodeficiency virus. Since about 20% of HCV-infected patients clear the infection naturally, chronic HCV infection represents a significant health problem in this group of patients...
January 2018: Annals of Gastroenterology: Quarterly Publication of the Hellenic Society of Gastroenterology
https://www.readbyqxmd.com/read/29333016/clinicopathological-features-and-outcomes-in-primary-central-nervous-system-lymphoma-a-10-year-experience
#9
Chaitanya Krishna Puligundla, Stalin Bala, Ashok Kumar Karnam, Sadashivudu Gundeti, Tara Roshni Paul, Megha S Uppin, Lakshmi Srinivas Maddali
Context: Primary central nervous system lymphoma (PCNSL) is a variant of extranodal lymphoma, accounting for 4% of primary central nervous system tumors. PCNSL was more common in immunocompetent individuals. International Extranodal Lymphoma Study Group (IELSG) scoring was used for prognostication. High-dose methotrexate regimens along with radiotherapy improved outcomes in PCNSL. Aims: The aim of this study is to analyze the clinical and pathological features, progression-free survival (PFS), and overall survival (OS) in patients with PCNSL...
October 2017: Indian Journal of Medical and Paediatric Oncology
https://www.readbyqxmd.com/read/29329318/erythrocyte-inosine-triphosphatase-activity-a-potential-biomarker-for-adverse-events-during-combination-antiretroviral-therapy-for-hiv
#10
N Chantal Peltenburg, Jörgen Bierau, Jaap A Bakker, Jolanda A Schippers, Selwyn H Lowe, Aimée D C Paulussen, Bianca J C van den Bosch, Mathie P G Leers, Bettina E Hansen, Annelies Verbon
The purine analogues tenofovir and abacavir are precursors of potential substrates for the enzyme Inosine 5'-triphosphate pyrophosphohydrolase (ITPase). Here, we investigated the association of ITPase activity and ITPA genotype with the occurrence of adverse events (AEs) during combination antiretroviral therapy (cART) for human immunodeficiency virus (HIV) infection. In 393 adult HIV-seropositive patients, AEs were defined as events that led to stop of cART regimen. ITPase activity ≥4 mmol IMP/mmol Hb/hour was considered as normal...
2018: PloS One
https://www.readbyqxmd.com/read/29325070/vaccine-induced-antibody-responses-modify-the-association-between-t-cell-immune-responses-and-hiv-1-infection-risk-in-hvtn-505
#11
Youyi Fong, Xiaoying Shen, Vicki C Ashley, Aaron Deal, Kelly E Seaton, Chenchen Yu, Shannon P Grant, Guido Ferrari, Allan C deCamp, Robert T Bailer, Richard A Koup, David Montefiori, Barton F Haynes, Marcella Sarzotti-Kelsoe, Barney S Graham, Lindsay N Carpp, Scott M Hammer, Magda Sobieszczyk, Shelly Karuna, Edith Swann, Edwin DeJesus, Mark Mulligan, Ian Frank, Susan Buchbinder, Richard M Novak, M Juliana McElrath, Spyros Kalams, Michael Keefer, Nicole A Frahm, Holly E Janes, Peter B Gilbert, Georgia D Tomaras
Background: HVTN 505 was an HIV-1 preventive vaccine efficacy trial of a DNA/recombinant adenovirus serotype 5 (rAd5) vaccine regimen. We assessed antibody responses measured one month post-final vaccination (Month 7) as correlates of HIV-1 acquisition risk. Methods: Binding antibody responses were quantified in serum samples from 25 primary endpoint vaccine cases (diagnosed with HIV-1 infection between Month 7 and 24) and 125 randomly sampled frequency-matched vaccine controls (HIV-1 negative at Month 24)...
January 8, 2018: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29324811/scale-up-of-kenya-s-national-hiv-viral-load-program-findings-and-lessons-learned
#12
Matilu Mwau, Catherine Akinyi Syeunda, Maureen Adhiambo, Priska Bwana, Lucy Kithinji, Joy Mwende, Laura Oyiengo, Martin Sirengo, Caroline E Boeke
OBJECTIVES: Kenya is one of the first African countries to scale up a national HIV viral load monitoring program. We sought to assess program scale up using the national database and identify areas for systems strengthening. METHODS: Data from January 2012 to March 2016 were extracted from Kenya's national viral load database. Characteristics of 1,108,356 tests were assessed over time, including reason for testing, turnaround times, test results, treatment regimens, and socio-demographic information...
2018: PloS One
https://www.readbyqxmd.com/read/29321414/the-platelet-count-can-predict-in-hospital-death-in-hiv-negative-smear-positive-pulmonary-tuberculosis-inpatients
#13
Hideto Goto, Nobuyuki Horita, Ken Tashiro, Kenjiro Nagai, Masaki Yamamoto, Takashi Sato, Yu Hara, Hideyuki Nagakura, Yuji Shibata, Hiroki Watanabe, Kentaro Nakashima, Ryota Ushio, Akimichi Nagashima, Misako Ikeda, Atsuya Narita, Katsuhito Sasaki, Nobuaki Kobayashi, Makoto Kudo, Takeshi Kaneko
Introduction This retrospective cohort study investigated whether the three components of the blood cell count have prognostic implications in HIV-negative Japanese adult inpatients with smear-positive pulmonary tuberculosis. Methods We reviewed patients who were treated by the isoniazid, rifampicin, pyrazinamide, and ethambutol regimen or by the isoniazid, rifampicin, and ethambutol regimen. The association between the patient data on admission and the survival outcome was evaluated. Results We reviewed 367 consecutive patients (male, 60...
January 11, 2018: Internal Medicine
https://www.readbyqxmd.com/read/29321046/application-of-causal-inference-methods-in-the-analyses-of-randomised-controlled-trials-a-systematic-review
#14
REVIEW
Ruth E Farmer, Daphne Kounali, A Sarah Walker, Jelena Savović, Alison Richards, Margaret T May, Deborah Ford
BACKGROUND: Applications of causal inference methods to randomised controlled trial (RCT) data have usually focused on adjusting for compliance with the randomised intervention rather than on using RCT data to address other, non-randomised questions. In this paper we review use of causal inference methods to assess the impact of aspects of patient management other than the randomised intervention in RCTs. METHODS: We identified papers that used causal inference methodology in RCT data from Medline, Premedline, Embase, Cochrane Library, and Web of Science from 1986 to September 2014, using a forward citation search of five seminal papers, and a keyword search...
January 10, 2018: Trials
https://www.readbyqxmd.com/read/29320967/dolutegravir-monotherapy-in-hiv-1-suppressed-patients-a-feasible-regimen-in-real-life
#15
Emanuela Lattuada, Massimiliano Lanzafame, Stefano Nicolè, Fabio Rigo, Giulia Cucchetto, Ercole Concia, Sandro Vento
No abstract text is available yet for this article.
February 2018: International Journal of STD & AIDS
https://www.readbyqxmd.com/read/29320842/carpal-tunnel-syndrome-in-hiv-positive-patients-coinfected-with-hcv
#16
A Mastroianni, F Allegrini, S Nardi, D Donatucci, F Girelli, C Guidi
A wide range of rheumatic and peripheral nervous system disorders may develop in patients with HIV infection, leading to pain, sensory symptoms, and muscle weakness. Over the past three decades, the progress in management of HIV disease with anti-retroviral therapy (ART) has resulted in increased life expectancy for people living with HIV disease. With this new chronicity of the disease has a constellation of chronic musculoskeletal, orthopaedic and rheumatic manifestations has emerged, as potential complications of the disease itself and/or the results of ART treatment regimen and/or because of expected age-related symptoms/manifestations...
December 21, 2017: Reumatismo
https://www.readbyqxmd.com/read/29320547/dyslipidemia-chronic-inflammation-and-subclinical-atherosclerosis-in-children-and-adolescents-infected-with-hiv-the-posithive-health-study
#17
Luiz Rodrigo Augustemak de Lima, Edio Luiz Petroski, Yara Maria Franco Moreno, Diego Augusto Santos Silva, Erasmo Benício de Moraes Santos Trindade, Aroldo Prohmann de Carvalho, Isabela de Carlos Back
HIV-infected children and adolescents may be at risk for cardiovascular disease due to chronic inflammation and exacerbation of risk factors. The aim of this study was as follows: 1) compare cardiovascular risk factors, chronic inflammation, and carotid intima-media thickness (IMTc) between the HIV and control groups; 2) determine the association of HIV and antiretroviral (ART) regimens with cardiovascular risk factors, chronic inflammation, and IMTc; and 3) identify variables associated with elevated IMTc...
2018: PloS One
https://www.readbyqxmd.com/read/29320531/integrating-community-pharmacy-into-community-based-anti-retroviral-therapy-program-a-pilot-implementation-in-abuja-nigeria
#18
Yohanna Kambai Avong, Gambo Gumel Aliyu, Bolajoko Jatau, Ritmwa Gurumnaan, Nanfwang Danat, Gbenga Ayodele Kayode, Victor Adekanmbi, Patrick Dakum
BACKGROUND: The landscape of Human Immunodeficiency Virus (HIV) epidemic control is shifting with the United Nations Programme on HIV/AIDS (UNAIDS) 90-90-90 benchmarks for epidemic control. Community-based Antiretroviral Therapy (CART) models have improved treatment uptake and demonstrated good clinical outcomes. We assessed the feasibility of integrating community pharmacy as a task shift structure for differentiated community ART in Abuja-Nigeria. METHODS: Stable patients on first line ART regimens from public health facilities were referred to community pharmacies in different locations within the Federal Capital Territory, Abuja for prescription refills and treatment maintenance...
2018: PloS One
https://www.readbyqxmd.com/read/29319636/optimal-antiretroviral-prophylaxis-in-infants-at-high-risk-of-acquiring-hiv-a-systematic-review
#19
Sara Beste, Shaffiq Essajee, George Siberry, Alisse Hannaford, Jasmeen Dara, Nandita Sugandhi, Martina Penazzato
INTRODUCTION: The risk of perinatal HIV infection can be dramatically reduced through maternal antiretroviral (ARV) therapy and infant ARV postnatal prophylaxis. The 2013 World Health Organization guidelines recommended 4-6 weeks of nevirapine or zidovudine as postnatal prophylaxis, with possible extension to 12 weeks for high-risk breastfed infants. A systematic review was undertaken to determine if there is evidence for the World Health Organization to recommend enhanced or extended prophylaxis for high-risk infants...
February 2018: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/29316030/understanding-and-addressing-hepatitis-c-reinfection-in-the-oral-direct-acting-antiviral-era
#20
Oluwaseun Falade-Nwulia, Mark S Sulkowski, Alana Merkow, Carl Latkin, Shruti H Mehta
The availability of effective, simple, well tolerated oral direct acting antiviral (DAA) hepatitis C regimens have raised optimism for HCV elimination at the population level. HCV reinfection in key populations such as people who inject drugs (PWID) and HIV-infected men who have sex with men (MSM) however threatens the achievement of this goal both from a patient, provider and population perspective. The goal of this review is to synthesize our current understanding of estimated rates and factors associated with HCV reinfection...
January 6, 2018: Journal of Viral Hepatitis
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