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https://www.readbyqxmd.com/read/28216908/role-of-progenitor-cell-producing-normal-vagina-by-metaplasia-in-laparoscopic-peritoneal-vaginoplasty
#1
Pravin N Mhatre, Hemraj R Narkhede, P Amol Pawar, P Jyoti Mhatre, Das Dhanjit Kumar
CONTEXT: Host of vaginoplasty techniques have been described. None has been successful in developing normal vagina. Laparoscopic peritoneal vaginoplasty (LPV) is performed in Mayer-Rokitansky-Küster-Hauser syndrome (MRKHS) culminating in normal vagina. AIMS: This study aims to confirm normal development of neovagina by anatomical and functional parameters of histology, cytology, and ultrasonography (USG) in LPV. To identify peritoneal progenitor cell by OCT4/SOX2 markers...
October 2016: Journal of Human Reproductive Sciences
https://www.readbyqxmd.com/read/28212307/antiretroviral-treatment-in-hiv-1-positive-mothers-neurological-implications-in-virus-free-children
#2
REVIEW
Antonio Victor Campos Coelho, Paola Maura Tricarico, Fulvio Celsi, Sergio Crovella
Since the worldwide introduction of antiretroviral therapy (ART) in human immunodeficiency virus type 1, HIV-1-positive mothers, together with HIV-1 testing prior to pregnancy, caesarian birth and breastfeeding cessation with replacement feeding, a reduction of HIV-1 mother-to-child transmission (MTCT) has been observed in the last few years. As such, an increasing number of children are being exposed in utero to ART. Several questions have arisen concerning the neurological effects of ART exposure in utero, considering the potential effect of antiretroviral drugs on the central nervous system, a structure which is in continuous development in the fetus and characterized by great plasticity...
February 15, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28192453/refining-criteria-for-selecting-candidates-for-a-safe-lopinavir-ritonavir-or-darunavir-ritonavir-monotherapy-in-hiv-infected-virologically-suppressed-patients
#3
Nicola Gianotti, Alessandro Cozzi-Lepri, Andrea Antinori, Antonella Castagna, Andrea De Luca, Benedetto Maurizio Celesia, Massimo Galli, Cristina Mussini, Carmela Pinnetti, Vincenzo Spagnuolo, Antonella d'Arminio Monforte, Francesca Ceccherini-Silberstein, Massimo Andreoni
OBJECTIVE: The primary objective of this study was to estimate the incidence of treatment failure (TF) to protease inhibitor monotherapies (PI/r-MT) with lopinavir/ritonavir (LPV/r) or darunavir/ritonavir (DRV/r). DESIGN: A multicenter cohort of HIV-infected patients with viral load (VL) ≤50 copies/mL, who underwent a switch from any triple combination therapy to PI/r-MT with either LPV/r or DRV/r. METHODS: VL was assessed in each center according to local procedures...
2017: PloS One
https://www.readbyqxmd.com/read/28187212/an-analysis-of-drug-resistance-among-people-living-with-hiv-aids-in-shanghai-china
#4
Fengdi Zhang, Li Liu, Meiyan Sun, Jianjun Sun, Hongzhou Lu
BACKGROUND: Understanding the mechanisms of drug resistance can facilitate better management of antiretroviral therapy, helping to prevent transmission and decrease the morbidity and mortality of people living with HIV/AIDS. However, there is little data about transmitted drug resistance and acquired drug resistance for HIV/AIDS patients in Shanghai. METHODS: A retrospective cohort study of HIV-infected patients who visited the Department of Infectious Disease from June 2008 to June 2015 was conducted in Shanghai, China...
2017: PloS One
https://www.readbyqxmd.com/read/28182692/aircraft-engine-sensor-fault-diagnostics-using-an-on-line-obem-update-method
#5
Xiaofeng Liu, Naiyu Xue, Ye Yuan
This paper proposed a method to update the on-line health reference baseline of the On-Board Engine Model (OBEM) to maintain the effectiveness of an in-flight aircraft sensor Fault Detection and Isolation (FDI) system, in which a Hybrid Kalman Filter (HKF) was incorporated. Generated from a rapid in-flight engine degradation, a large health condition mismatch between the engine and the OBEM can corrupt the performance of the FDI. Therefore, it is necessary to update the OBEM online when a rapid degradation occurs, but the FDI system will lose estimation accuracy if the estimation and update are running simultaneously...
2017: PloS One
https://www.readbyqxmd.com/read/28155724/structural-analyses-of-2015-updated-drug-resistant-mutations-in-hiv-1-protease-an-implication-of-protease-inhibitor-cross-resistance
#6
Chinh Tran-To Su, Wei-Li Ling, Wai-Heng Lua, Yu-Xuan Haw, Samuel Ken-En Gan
BACKGROUND: Strategies to control HIV for improving the quality of patient lives have been aided by the Highly Active Anti-Retroviral Therapy (HAART), which consists of a cocktail of inhibitors targeting key viral enzymes. Numerous new drugs have been developed over the past few decades but viral resistances to these drugs in the targeted viral enzymes are increasingly reported. Nonetheless the acquired mutations often reduce viral fitness and infectivity. Viral compensatory secondary-line mutations mitigate this loss of fitness, equipping the virus with a broad spectrum of resistance against these drugs...
December 22, 2016: BMC Bioinformatics
https://www.readbyqxmd.com/read/28134057/hiv-viral-kinetics-and-t-cell-dynamics-in-antiretroviral-na%C3%A3-ve-persons-starting-an-integrase-strand-transfer-inhibitor-and-protease-inhibitor-regimen
#7
Maile Y Karris, Sonia Jain, Tyler R C Day, Josué Pérez-Santiago, Miguel Goicoechea, Michael P Dubé, Xiaoying Sun, Celsa Spina, Eric S Daar, Richard H Haubrich, Sheldon Morris
BACKGROUND: Nucleos(t)ide reverse transcriptase inhibitor (NRTI)-sparing regimens may potentially minimize antiretroviral (ART) toxicities, but demonstrate mixed efficacy and toxicity results. The impact of an integrase strand transfer inhibitor (INSTI) and protease inhibitor (PI) regimen on HIV viral dynamics and T cell kinetics remains underdescribed. OBJECTIVE: To compare the effect of raltegravir + ritonavir boosted lopinavir (RAL + LPV/r) to efavirenz/tenofovir disoproxil fumarate/emtricitabine (EFV/TDF/FTC) on HIV kinetics and T cell dynamics...
January 30, 2017: HIV Clinical Trials
https://www.readbyqxmd.com/read/28121667/improved-kidney-function-in-patients-who-switch-their-protease-inhibitor-from-atazanavir-or-lopinavir-to-darunavir
#8
Sophie Jose, Mark Nelson, Andrew Phillips, David Chadwick, Roy Trevelion, Rachael Jones, Deborah I Williams, Lisa Hamzah, Caroline A Sabin, Frank A Post
OBJECTIVE: Atazanavir (ATV) and lopinavir (LPV) have been associated with kidney disease progression in HIV positive patients, with no data reported for darunavir (DRV). We examined kidney function in patients who switched their protease inhibitor from ATV or LPV to DRV. DESIGN: Cohort study. METHODS: Data were from the UK CHIC study. We compared pre and post switch estimated glomerular filtration rate (eGFR) slopes (expressed in ml/min per 1...
February 20, 2017: AIDS
https://www.readbyqxmd.com/read/28099191/long-acting-combination-anti-hiv-drug-suspension-enhances-and-sustains-higher-drug-levels-in-lymph-node-cells-than-in-blood-cells-and-plasma
#9
John C Kraft, Lisa A McConnachie, Josefin Koehn, Loren Kinman, Carol Collins, Danny D Shen, Ann C Collier, Rodney J Y Ho
OBJECTIVE: To determine if a combination of anti-HIV drugs-tenofovir (TFV), lopinavir (LPV), and ritonavir (RTV)-in a lipid-stabilized nanosuspension (called TLC-ART101) could enhance and sustain intracellular drug levels and exposures in lymph node and blood cells above those in plasma. DESIGN: Four macaques were given a single dose of TLC-ART101 subcutaneously. Drug concentrations in plasma and mononuclear cells of the blood (PBMCs) and lymph nodes (LNMCs) were analyzed using a validated combination LC-MS/MS assay...
January 17, 2017: AIDS
https://www.readbyqxmd.com/read/28038962/confirming-model-predicted-pharmacokinetic-interactions-between-bedaquiline-and-lopinavir-ritonavir-or-nevirapine-in-patients-with-hiv-and-drug-resistant-tuberculosis
#10
Margreke J E Brill, Elin M Svensson, Mishal Pandie, Gary Maartens, Mats O Karlsson
Bedaquiline and its metabolite M2 are metabolised by CYP3A4. The antiretrovirals ritonavir-boosted lopinavir (LPV/r) and nevirapine inhibit and induce CYP3A4, respectively. Here we aimed to quantify nevirapine and LPV/r drug-drug interaction effects on bedaquiline and M2 in patients co-infected with HIV and multidrug-resistant tuberculosis (MDR-TB) using population pharmacokinetic (PK) analysis and compare these with model-based predictions from single-dose studies in subjects without TB. An observational PK study was performed in three groups of MDR-TB patients during bedaquiline maintenance dosing: HIV-seronegative patients (n = 17); and HIV-infected patients using antiretroviral therapy including nevirapine (n = 17) or LPV/r (n = 14)...
December 14, 2016: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/27936233/malaria-in-hiv-infected-children-receiving-hiv-protease-inhibitor-compared-with-non-nucleoside-reverse-transcriptase-inhibitor-based-antiretroviral-therapy-impaact-p1068s-substudy-to-p1060
#11
Charlotte V Hobbs, Erin E Gabriel, Portia Kamthunzi, Gerald Tegha, Jean Tauzie, Elizabeth Petzold, Linda Barlow-Mosha, Benjamin H Chi, Yonghua Li, Tiina Ilmet, Brian Kirmse, Jillian Neal, Sunil Parikh, Nagamah Deygoo, Patrick Jean Philippe, Lynne Mofenson, William Prescott, Jingyang Chen, Philippa Musoke, Paul Palumbo, Patrick E Duffy, William Borkowsky
BACKGROUND: HIV and malaria geographically overlap. HIV protease inhibitors kill malaria parasites in vitro and in vivo, but further evaluation in clinical studies is needed. METHODS: Thirty-one children from Malawi aged 4-62 months were followed every 3 months and at intercurrent illness visits for ≤47 months (September 2009-December 2011). We compared malaria parasite carriage by blood smear microscopy (BS) and confirmed clinical malaria incidence (CCM, or positive BS with malaria symptoms) in children initiated on HIV antiretroviral therapy (ART) with zidovudine, lamivudine, and either nevirapine (NVP), a non-nucleoside reverse transcriptase inhibitor, or lopinavir-ritonavir (LPV-rtv), a protease inhibitor...
2016: PloS One
https://www.readbyqxmd.com/read/27935971/costs-of-care-of-hiv-infected-children-initiating-lopinavir-ritonavir-based-antiretroviral-therapy-before-the-age-of-two-in-cote-d-ivoire
#12
Sophie Desmonde, Divine Avit, Junie Petit, Madeleine Amorissani Folquet, Francois Tanoh Eboua, Clarisse Amani Bosse, Evelyne Dainguy, Véronique Mea, Marguerite Timite-Konan, Sylvie Ngbeché, Andrea Ciaranello, Valeriane Leroy
OBJECTIVES: To access the costs of care for Ivoirian children before and after initiating LPV/r-based antiretroviral therapy (ART) before the age of two. METHODS: We assessed the direct costs of care for all HIV-infected children over the first 12 months on LPV/r-based ART initiated <2 years of age in Abidjan. We recorded all drug prescriptions, ART and cotrimoxazole prophylaxis delivery, medical analyses/examinations and hospital admissions. We compared these costs to those accrued in the month prior to ART initiation...
2016: PloS One
https://www.readbyqxmd.com/read/27925066/dioctophyme-renale-nematoda-enoplida-in-domestic-dogs-and-cats-in-the-extreme-south-of-brazil
#13
Josaine Cristina da Silva Rappeti, Carolina Siqueira Mascarenhas, Soliane Carra Perera, Gertrud Müller, Fabiane Borelli Grecco, Luísa Mariano Cerqueira da Silva, Carolina da Fonseca Sapin, Stella Falkenberg Rausch, Marlete Brum Cleff
Dioctophyme renale is a zoonotic nematode that parasites the kidneys of wild and domestic carnivores, and it has been reported frequently in Brazil. The aim here was to register the number of cases of dogs and cats diagnosed with dioctophymosis by necropsy (1981 to 2014) and ultrasound examination (2010 to 2015) in Pelotas-RS. In this context, a survey was conducted on dioctophymosis cases diagnosed at the Veterinary Pathology Laboratory (LPV) and Veterinary Clinical Hospital (HCV) of the Federal University of Pelotas (UFPel), and at a specialist veterinary imaging diagnostics clinic...
December 1, 2016: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
https://www.readbyqxmd.com/read/27925025/initiatives-to-challenge-patent-barriers-and-their-relationship-with-the-price-of-medicines-procured-by-the-brazilian-unified-national-health-system
#14
Carolinne Thays Scopel, Gabriela Costa Chaves
Since 1996, when antiretroviral (ARV) treatments started being guaranteed to people living with HIV in Brazil, the government has faced the challenge of ensuring sustainability of this policy within a context of incorporating patented medicines. This article sought to analyze the historical series of the price of lopinavir/ritonavir (LPV/r) in Brazil and in the international market also considering the initiatives to challenge patent barriers between 2001 and 2012. The methods used were mapping initiatives to challenge LPV/r patent barriers and the analysis of historical series of its price in Brazil and in the international market...
December 1, 2016: Cadernos de Saúde Pública
https://www.readbyqxmd.com/read/27906013/combination-of-long-acting-hiv-fusion-inhibitor-albuvirtide-and-lpv-r-showed-potent-efficacy-in-hiv-1-patients
#15
Hongwei Zhang, Ronghua Jin, Cheng Yao, Tong Zhang, Meixia Wang, Wei Xia, Haiyan Peng, Xiaojuan Wang, Rongjian Lu, Changjin Wang, Dong Xie, Hao Wu
BACKGROUND: Long acting antiretroviral drugs represent a promising approach for chronic treatment of HIV infection. Here, we study the efficacy and safety of albuvirtide (ABT), an HIV-1 fusion inhibitor with a half life of 11-12 days in human. METHODS: ABT was evaluated in a 7-week, open-label and randomized trial, combining with LPV/r. Twenty HIV-1-infected adults were assigned to two dose groups, receiving ABT (160 or 320 mg) given weekly and LPV/r given twice daily...
February 10, 2016: AIDS Research and Therapy
https://www.readbyqxmd.com/read/27900210/a-new-lpv-modeling-approach-using-pca-based-parameter-set-mapping-to-design-a-pss
#16
Mohammad B Abolhasani Jabali, Mohammad H Kazemi
This paper presents a new methodology for the modeling and control of power systems based on an uncertain polytopic linear parameter-varying (LPV) approach using parameter set mapping with principle component analysis (PCA). An LPV representation of the power system dynamics is generated by linearization of its differential-algebraic equations about the transient operating points for some given specific faults containing the system nonlinear properties. The time response of the output signal in the transient state plays the role of the scheduling signal that is used to construct the LPV model...
January 2017: Journal of Advanced Research
https://www.readbyqxmd.com/read/27895016/are-prophylactic-and-therapeutic-target-concentrations-different-the-case-of-lopinavir-ritonavir-or-lamivudine-administered-to-infants-for-prevention-of-mother-to-child-hiv-1-transmission-during-breastfeeding
#17
Frantz Foissac, Jörn Blume, Jean-Marc Tréluyer, Thorkild Tylleskär, Chipepo Kankasa, Nicolas Meda, James K Tumwine, Mandisa Singata-Madliki, Kim Harper, Silvia M Illamola, Naïm Bouazza, Nicolas Nagot, Philippe Van de Perre, Stéphane Blanche, Déborah Hirt
The ANRS 12174 trial assessed the efficacy and tolerance of lopinavir (LPV)-ritonavir (LPV/r) prophylaxis versus those of lamivudine (3TC) prophylaxis administered to breastfed infants whose HIV-infected mothers were not on antiretroviral therapy. In this substudy, we assessed LPV/r and 3TC pharmacokinetics to evaluate the percentage of infants with therapeutic plasma concentrations and to discuss these data in the context of a prophylactic treatment. Infants from the South African trial site underwent blood sampling for pharmacokinetic study at weeks 6, 26, and 38 of life...
February 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/27888600/-darunavir-cobicistat-monotherapy-experience-in-a-tertiary-hospital
#18
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/27842440/caregiver-reported-antiretroviral-therapy-non-adherence-during-the-first-week-and-after-a-month-of-treatment-initiation-among-children-diagnosed-with-hiv-in-ethiopia
#19
Mulatu Biru, Degu Jerene, Pia Lundqvist, Mitikie Molla, Workeabeba Abebe, Inger Hallström
To achieve optimal virologic suppression for children undergoing antiretroviral therapy (ART), adherence must be excellent. This is defined as taking more than 95% of their prescribed doses. To our knowledge, no study in Ethiopia has evaluated the level of treatment adherence at the beginning of the child's treatment. Our aim was therefore to evaluate caregiver-reported ART non-adherence among children and any predictors for this during the early course of treatment. We conducted a prospective cohort study of 306 children with HIV in eight health facilities in Ethiopia who were registered at ART clinics between 20 December 2014 and 20 April 2015...
November 14, 2016: AIDS Care
https://www.readbyqxmd.com/read/27798431/hemeoxygenase-1-as-a-novel-driver-in-ritonavir-induced-insulin-resistance-in-hiv-1-infected-patients
#20
Ninon Taylor, Iris Kremser, Simon Auer, Gregor Hoermann, Richard Greil, Elisabeth Haschke-Becher, Harald Esterbauer, Lukas Kenner, Hannes Oberkofler
BACKGROUND: Hemeoxygenase-1 (HO-1) has recently been identified as a major driver of metaflammation and obesity-related insulin resistance (IR). Drug-induced IR increases cardiovascular risk within the HIV-1-infected population receiving antiretroviral therapy (ART). We therefore investigated a possible role of HO-1 in ART-induced IR. METHODS: Effects of HIV-1 protease inhibitor ritonavir and integrase inhibitor raltegravir on expression levels of HO-1 and proinflammatory cytokines including interleukin-1β (IL-1β), IL-6, IL-8, tumor necrosis factor-α (TNFα), Chemokine (C-C motif) ligand 5 (CCL5) and monocyte chemotactic protein 1 (MCP-1) were studied in monocyte and hepatocyte cell lines...
October 27, 2016: Journal of Acquired Immune Deficiency Syndromes: JAIDS
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