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https://www.readbyqxmd.com/read/29353398/new-strategies-of-arv-the-road-to-simplification
#1
REVIEW
Rosa de Miguel Buckley, Rocio Montejano, Natalia Stella-Ascariz, Jose R Arribas
PURPOSE OF REVIEW: Simplification of antiretroviral therapy is a strategy aiming to reduce pill burden, drug interactions, and toxicity. This review focuses on the most recent and important studies evaluating a reduction on the number of drugs for HIV treatment, both in naive and virologically suppressed patients. RECENT FINDINGS: Interesting studies have been performed in the past years testing dual therapy and monotherapy, with variable rates of virological control...
January 20, 2018: Current HIV/AIDS Reports
https://www.readbyqxmd.com/read/29351333/simultaneous-quantification-of-four-antiretroviral-drugs-in-breast-milk-samples-from-hiv-positive-women-by-an-ultra-high-performance-liquid-chromatography-tandem-mass-spectrometry-uplc-ms-ms-method
#2
Alicia Ramírez-Ramírez, Elías Sánchez-Serrano, Giselle Loaiza-Flores, Noemí Plazola-Camacho, Rosa Georgina Rodríguez-Delgado, Ricardo Figueroa-Damián, Mauricio Domínguez-Castro, Margarita López-Martínez, Zayra Flores-García, Jessica Hernández-Pineda
The primary strategy to avoid mother-to-child transmission of human immunodeficiency virus (HIV) through breastfeeding is administration of highly active antiretroviral therapy (HAART) to HIV-positive pregnant women. Because significant changes in the pharmacokinetics of antiretroviral (ARV) drugs occur during pregnancy, quantifying HAART and the viral load in breast milk in this population is essential. Here, we developed an analytical assay for the simultaneous quantification of four ARV drugs in breast milk using ultra-performance liquid chromatography coupled to tandem mass spectrometry...
2018: PloS One
https://www.readbyqxmd.com/read/29350111/sustained-viral-suppression-with-co-administration-of-oxcarbazepine-and-dolutegravir
#3
Manar M Kandil, Melissa E Badowski, Christopher A Schriever
Co-administration of dolutegravir and oxcarbazepine has been reported to reduce levels of dolutegravir and therefore is contraindicated due to insufficient data to make dosing recommendations. We present eight cases in which patients with human immunodeficiency virus (HIV) inadvertently received oxcarbazepine while concurrently receiving 50 mg of dolutegravir daily as part of their antiretroviral therapy. Upon further evaluation, lab results revealed that despite the risk of decreased levels of dolutegravir due to possible oxcarbazepine enzyme induction, patients maintained at or near virologic suppression (viral load <20 copies/ml)...
January 1, 2018: International Journal of STD & AIDS
https://www.readbyqxmd.com/read/29347858/where-are-we-with-injectables-against-hiv-infection-and-what-are-the-remaining-challenges
#4
Said A Hassounah, Thibault Mesplède
Drug adherence has been a recurring issue in the field of HIV treatment, and low treatment adherence is typically associated with emergence of drug resistance, treatment failure and increased risks of transmission. Injectable antiretroviral drugs offer a unique opportunity to counter this issue for the treatment of HIV-positive individuals. In addition, injectables offer a remarkable opportunity to reduce new HIV infections, if applied in the context of both treatment-as-prevention and pre-exposure prophylaxis...
January 19, 2018: Expert Review of Anti-infective Therapy
https://www.readbyqxmd.com/read/29346443/exposure-to-previous-cart-is-associated-with-significant-liver-fibrosis-and-cirrhosis-in-human-immunodeficiency-virus-infected-patients
#5
Evrim Anadol, Kristina Lust, Christoph Boesecke, Carolynne Schwarze-Zander, Raphael Mohr, Jan-Christian Wasmuth, Jürgen Kurt Rockstroh, Jonel Trebicka
INTRODUCTION: Combined antiretroviral therapy (cART) has improved survival in HIV-patients. While the first antiretrovirals, which became available in particular D-drugs (especially didanosine and stavudine) and unboosted protease inhibitors, may impair liver function, the modern cART seems to decrease liver fibrosis. This study assessed the influence of exposure to previous antiretrovirals on liver fibrosis in HIV-infected patients. METHODS: This observational cross-sectional single-center study recruited 333 HIV patients and assessed liver fibrosis using transient elastography (TE)...
2018: PloS One
https://www.readbyqxmd.com/read/29346270/resistance-to-hiv-integrase-inhibitors-about-r263k-and-e157q-mutations
#6
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/29345598/dolutegravir-related-neurological-adverse-events-a-case-report-of-successful-management-with-therapeutic-drug-monitoring
#7
Francois Parant, Patrick Miailhes, Florence Brunel, Marie-Claude Gagnieu
Dolutegravir (DTG), a highly effective second-generation HIV integrase inhibitor with high genetic barrier to resistance, has shown excellent tolerability and safety profiles in clinical trials. However, some patients may experience neurological or psychiatric adverse effects leading to DTG discontinuation. This report describes a case of 29-year-old woman who developed neurological adverse events after starting the DTG-based antiretroviral therapy. Serum DTG concentrations were supra-therapeutic which has required a dosing interval adjustment...
January 16, 2018: Current Drug Safety
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
#8
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/29343268/time-homogeneous-markov-process-for-hiv-aids-progression-under-a-combination-treatment-therapy-cohort-study-south-africa
#9
Claris Shoko, Delson Chikobvu
BACKGROUND: As HIV enters the human body, its main target is the CD4 cell which it turns into a factory that produces millions of other HIV particles. These HIV particles target new CD4 cells resulting in the progression of HIV infection to AIDS. A continuous depletion of CD4 cells results in opportunistic infections, for example tuberculosis (TB). The purpose of this study is to model and describe the progression of HIV/AIDS disease in an individual on antiretroviral therapy (ART) follow up using a continuous time homogeneous Markov process...
January 18, 2018: Theoretical Biology & Medical Modelling
https://www.readbyqxmd.com/read/29343083/polarized-macrophage-subsets-differentially-express-the-drug-efflux-transporters-mrp1-and-bcrp-resulting-in-altered-hiv-production
#10
Hui He, Merrion Buckley, Bernard Britton, Ying Mu, Kristin Warner, Santosh Kumar, Theodore J Cory
Introduction Macrophages play an important role in HIV, where they are a cellular reservoir. Macrophages are polarized into two phenotypes: pro-inflammatory M1 macrophages and anti-inflammatory M2 macrophages, which may have altered expression of drug efflux transporters, including BCRP and MRP1. These differences may result in subtherapeutic concentrations of antiretrovirals inside of macrophages and viral replication. Methods U937 and U1 cells were polarized to the M1 or M2 phenotype via IFN-γ and LPS, or IL-4, IL-13, and LPS...
January 2018: Antiviral Chemistry & Chemotherapy
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
#11
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/29341953/lethality-among-patients-with-hiv-aids-monitored-in-the-clinic-of-infectious-diseases-in-st-george-university-hospital-plovdiv-2010-2014
#12
Mariyana V Stoycheva, Nikolay T Vatev, Vania B Georgieva, Antonina P Dineva, Maria V Atanasova, Tatiana A Popova
BACKGROUND: The introduction of complex antiretroviral therapy has resulted in signifi cant decrease in the mortality rate of HIV positive patients, but it still remains unacceptably high, especially in some groups of patients. AIM: To investigate the death rate in patients with HIV/AIDS, lethality and mortality in co-infection, and the most common causes and predictors of fatal outcome, focused on early diagnosis and appropriate therapy. MATERIALS AND METHODS: The study included 53 deceased patients with HIV/AIDS, monitored at the Clinic of Infectious Diseases in St George University Hospital, Plovdiv between 01...
December 20, 2017: Folia Medica
https://www.readbyqxmd.com/read/29338735/mental-health-service-utilization-is-associated-with-retention-in-care-among-persons-living-with-hiv-at-a-university-affiliated-hiv-clinic
#13
Lauren A Saag, Ashutosh R Tamhane, D Scott Batey, Michael J Mugavero, Ellen F Eaton
BACKGROUND: Mental health (MH) comorbidities reduce retention in care for persons living with HIV (PLWH) and are associated with poor health outcomes. Optimizing retention in primary care is vital, as poor retention is associated with delayed receipt of antiretroviral (ARV) therapy, ARV non-adherence, and poor health outcomes, including failure to suppress viral load, decreased CD4 counts, and clinically significant ARV drug resistance. We hypothesized that MH service utilization would be associated with improved retention in care for patients with HIV and MH comorbidities...
January 16, 2018: AIDS Research and Therapy
https://www.readbyqxmd.com/read/29338328/avoidance-meaning-and-grief-psychosocial-factors-influencing-engagement-in-hiv-care
#14
Georgia J Michlig, Ryan P Westergaard, Yukyan Lam, Azal Ahmadi, Gregory D Kirk, Andrew Genz, Jeanne Keruly, Heidi Hutton, Pamela J Surkan
Although the introduction of antiretroviral therapy has rendered HIV a chronic illness, inconsistent engagement in HIV care by key populations limits its public health impact. Poor engagement in care is especially prevalent among vulnerable populations with mental health and substance use disorders. Beyond structural and health system considerations, psychosocial factors may present challenges to sustained engagement. We conducted a qualitative study using in-depth interviews with 31 primarily African American, urban-based individuals, many with past or current drug use and mental disorders, living with HIV...
January 17, 2018: AIDS Care
https://www.readbyqxmd.com/read/29335895/pharmacokinetics-antiviral-activity-and-safety-of-rilpivirine-in-pregnant-women-with-hiv-1-infection-results-of-a-phase-3b-multicenter-open-label-study
#15
Olayemi Osiyemi, Salih Yasin, Carmen Zorrilla, Ceyhun Bicer, Vera Hillewaert, Kimberley Brown, Herta M Crauwels
INTRODUCTION: Physiologic changes during pregnancy may impact the pharmacokinetics of drugs. In addition, efficacy and safety/tolerability concerns have been identified for some antiretroviral agents. METHODS: Human immunodeficiency virus (HIV)-1-infected pregnant women (18-26 weeks gestation) receiving the non-nucleoside reverse transcriptase inhibitor rilpivirine 25 mg once daily were enrolled in this phase 3b, open-label study examining the impact of pregnancy on the pharmacokinetics of rilpivirine when it is given in combination with other antiretroviral agents...
January 15, 2018: Infectious Diseases and Therapy
https://www.readbyqxmd.com/read/29334553/post-treatment-controllers-after-treatment-interruption-in-chronically-hiv-infected-patients
#16
Franco Maggiolo, Elisa Di Filippo, Laura Comi, Annapaola Callegaro
OBJECTIVE: Control HIV replication requires continuous combined antiretroviral therapy (cART) as discontinuation of cART results in a rapid viral rebound. However, a few individuals exist who took cART for several years and did not show the expected viral rebound after treatment cessation. Most post-treatment controllers (PTCs) are early treated individuals. We report three cases who started cART during chronic infection. DESIGN: Patients were treated and monitored according to Italian guidelines...
January 13, 2018: AIDS
https://www.readbyqxmd.com/read/29331972/cohort-profile-the-comparative-outcomes-and-service-utilization-trends-coast-study-among-people-living-with-and-without-hiv-in-british-columbia-canada
#17
Oghenowede Eyawo, Mark W Hull, Kate Salters, Hasina Samji, Angela Cescon, Paul Sereda, Viviane D Lima, Bohdan Nosyk, David G T Whitehurst, Scott A Lear, Julio S G Montaner, Robert S Hogg
PURPOSE: The Comparative Outcomes And Service Utilization Trends (COAST) Study in British Columbia (BC), Canada, was designed to evaluate the determinants of health outcomes and health care services use among people living with HIV (PLHIV) as they age in the period following the introduction of combination antiretroviral therapy (cART). The study also assesses how age-associated comorbidities and health care use among PLHIV may differ from those observed in the general population. PARTICIPANTS: COAST was established through a data linkage between two provincial data sources: The BC Centre for Excellence in HIV/AIDS Drug Treatment Program, which centrally manages cART dispensation across BC and contains prospectively collected data on demographic, immunological, virological, cART use and other clinical information for all known PLHIV in BC; and Population Data BC, a provincial data repository that holds individual event-level, longitudinal data for all 4...
January 13, 2018: BMJ Open
https://www.readbyqxmd.com/read/29329553/inhibitors-of-the-integrase-transportin-sr2-interaction-block-hiv-nuclear-import
#18
Jonas Demeulemeester, Jolien Blokken, Stéphanie De Houwer, Lieve Dirix, Hugo Klaassen, Arnaud Marchand, Patrick Chaltin, Frauke Christ, Zeger Debyser
BACKGROUND: Combination antiretroviral therapy efficiently suppresses HIV replication in infected patients, transforming HIV/AIDS into a chronic disease. Viral resistance does develop however, especially under suboptimal treatment conditions such as poor adherence. As a consequence, continued exploration of novel targets is paramount to identify novel antivirals that do not suffer from cross-resistance with existing drugs. One new promising class of targets are HIV protein-cofactor interactions...
January 12, 2018: Retrovirology
https://www.readbyqxmd.com/read/29328508/serologic-responses-and-effectiveness-of-hepatitis-a-vaccination-among-hiv-positive-individuals-during-the-outbreak-of-acute-hepatitis-a
#19
Kuan-Yin Lin, Szu-Min Hsieh, Hsin-Yun Sun, Yi-Chun Lo, Wang-Huei Sheng, Yu-Chung Chuang, Aristine Cheng, Sung-Ching Pan, Guan-Jhou Chen, Chien-Ching Hung, Shan-Chwen Chang
Outbreaks of hepatitis A virus (HAV) infection have been occurring among men who have sex with men (MSM) in Asia-Pacific region, the United States, and several European countries since June 2015, and recently among persons who are homeless and use illicit drugs in the US. We evaluated the serologic responses and effectiveness of HAV vaccination in HIV-positive individuals during the outbreak in Taiwan. From June 1, 2015 to September 30, 2016, anti-HAV IgG was prospectively determined among all HIV-positive individuals...
January 12, 2018: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29327520/risk-factors-of-clinical-and-immunological-failure-in-south-indian-cohort-on-generic-antiretroviral-therapy
#20
Mucheli Shravan Sadashiv, Priscilla Rupali, Abi Manesh, Rajesh Kannangai, Ooriapadickal Cherian Abraham, Susanne A Pulimood, Rajiv Karthik, S Rajkumar, Kurien Thomas
Background: Since the time of NACO Antiretroviral (ART) roll-out, generic ART has been the mainstay of therapy. There are many studies documenting the efficacy of generic ART but with the passage of time, failure of therapy is on the rise. As institution of second line ART has significant financial implications both for a program and for an individual it is imperative that we determine factors which contribute towards treatment failure in a cohort of patients on generic antiretroviral therapy...
December 2017: Journal of the Association of Physicians of India
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