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https://www.readbyqxmd.com/read/29780687/the-intention-to-use-hiv-pre-exposure-prophylaxis-prep-among-men-who-have-sex-with-men-in-switzerland-testing-an-extended-explanatory-model-drawing-on-the-unified-theory-of-acceptance-and-use-of-technology-utaut
#1
Sibylle Nideröst, Daniel Gredig, Benedikt Hassler, Franziska Uggowitzer, Patrick Weber
Aim: The aim of this study was to determine the intention to use pre-exposure prophylaxis (PrEP) when available and to identify predictors of the intention to use PrEP among men who have sex with men (MSM) living in Switzerland. The theoretical model drew on the Unified Theory of Acceptance and Use of Technology and considered additional variables related specifically to PrEP, HIV protection and the resources of MSM. Subject and methods: For data collection, we used an anonymous, standardized self-administered online questionnaire...
2018: Journal of Public Health
https://www.readbyqxmd.com/read/29777772/improving-maraviroc-oral-bioavailability-by-formation-of-solid-drug-nanoparticles
#2
Alison C Savage, Lee M Tatham, Marco Siccardi, Trevor Scott, Manoli Vourvahis, Andrew Clark, Steve P Rannard, Andrew Owen
Oral drug administration remains the preferred approach for treatment of HIV in most patients. Maraviroc (MVC) is the first in class co-receptor antagonist, which blocks HIV entry into host cells. MVC has an oral bioavailability of approximately 33%, which is limited by poor permeability as well as affinity for CYP3A and several drug transporters. While once-daily doses are now the favoured option for HIV therapy, dose-limiting postural hypotension has been of theoretical concern when administering doses high enough to achieve this for MVC (particularly during coadministration of enzyme inhibitors)...
May 16, 2018: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/29777461/hiv-aids-and-an-overweight-body-mass-are-associated-with-excessive-intra-individual-variability-in-response-preparation
#3
Lance O Bauer
Factors other than HIV/AIDS may influence the cognitive function of patients living with this disease. The present study tested the influence of a common comorbid problem-an overweight body mass. It also examined intra-task variabilities in performance and brain activation as potentially more sensitive indicators of dysfunction than their mean levels. One-hundred seventy-eight participants were recruited and categorized by HIV-1 serostatus (-/+) and body mass (BMI < 26/≥ 26 kg/m2 ). They performed a simple time estimation task during which response time accuracy and electroencephalographic readiness potentials were recorded...
May 17, 2018: Journal of Neurovirology
https://www.readbyqxmd.com/read/29776310/preparation-and-evaluation-of-ribonuclease-resistant-viral-hiv-rna-standards-based-on-armored-rna-technology
#4
Mohammad Gholami, Mehrdad Ravanshad, Kazem Baesi, Siamak M. Samiee, Negin Hosseini Rozbahani, Minoo Mohraz
BAckground: The human immunodeficiency virus type 1 (HIV-1) is an infectious viral agent that gradually extinguishes the immune system, resulting in acquired immune deficiency syndrome (AIDS). The aim of this study was to construct an RNA-positive control based on armored (AR) RNA technology, using HIV-1 RNA as a model. Methods: The MS2 maturase, a coat protein gene (at positions 1765 to 1787) and HIV-1 pol gene were cloned into pET-32a plasmid. The prepared plasmid was transformed into Escherichia coli strain BL2 (DE3), and the expression of the construct was induced by 1 mM of isopropyl-L-thio-D-galactopyranoside (IPTG) at 37 °C for 16 h to obtain the fabricated AR RNA...
May 19, 2018: Iranian Biomedical Journal
https://www.readbyqxmd.com/read/29772601/hollow-mesoporous-structured-molecularly-imprinted-polymer-as-adsorbent-in-pipette-tip-solid-phase-extraction-for-the-determination-of-antiretrovirals-from-plasma-of-hiv-infected-patients
#5
Nathália Soares Simões, Hanna Leijoto de Oliveira, Ricky Cássio Santos da Silva, Leila Suleimara Teixeira, Thaís Lorenna Souza Sales, Whocely Victor de Castro, Maria José Nunes de Paiva, Cristina Sanches, Keyller Bastos Borges
In this work a hollow mesoporous structured molecularly imprinted polymer was synthetized and used as adsorbent in pipette-tip solid-phase extraction for the determination of lamivudine (3TC), zidovudine (AZT) and efavirenz (EFZ) from plasma of human immunodeficiency virus (HIV) infected patients by high-performance liquid chromatography (HPLC). All parameters that influence the recovery of the pipette tip based on hollow mesoporous molecularly imprinted polymer solid-phase extraction (PT-HM-MIP-SPE) method were systematically studied and discussed in detail...
May 17, 2018: Electrophoresis
https://www.readbyqxmd.com/read/29770060/setting-the-stage-for-expanding-hiv-pre-exposure-prophylaxis-use-in-canada
#6
EDITORIAL
M Hull, Dhs Tan
Human immunodeficiency virus (HIV) infection continues to disproportionately affect vulnerable populations in Canada; particularly men who have sex with men (MSM). Novel HIV prevention strategies have recently expanded from the use of non-occupational post-exposure prophylaxis (nPEP) after high risk exposures to the use of pre-exposure prophylaxis (PrEP) in which individuals reduce risk of HIV infection through use of combination antiretrovirals taken prior to risk exposure. With approval of tenofovir/emtricitabine (TDF/FTC) for use as PrEP only in early 2016, and with limited public funding to date, uptake in Canada is in its preliminary stages...
December 7, 2017: Canada Communicable Disease Report, Relevé des Maladies Transmissibles Au Canada
https://www.readbyqxmd.com/read/29770057/aids-in-canada-surveillance-report-2016
#7
L Jonah, A C Bourgeois, M Edmunds, A Awan, O Varsaneux, W Siu
Background: Although there continues to be a global epidemic of people living with human immunodeficiency virus (HIV) there has been a decrease in the number of people dying of acquired immunodeficiency syndrome (AIDS), largely due to successful treatment with antiretroviral therapy. Objective: To provide a descriptive overview of the reported cases of AIDS in Canada by identifying trends by geographic location, sex, age group and mortality. While the descriptive analysis focuses on the year 2016, results are presented for reported cases from the beginning of national AIDS surveillance in 1979...
December 7, 2017: Canada Communicable Disease Report, Relevé des Maladies Transmissibles Au Canada
https://www.readbyqxmd.com/read/29770056/hiv-in-canada-surveillance-report-2016
#8
A C Bourgeois, M Edmunds, A Awan, L Jonah, O Varsaneux, W Siu
Background: Human immunodeficiency virus (HIV) continues to be a global public health concern, with 2.1 million people newly infected in 2015. Although many high-income countries have noted decreasing rates of HIV, between 2013 and 2015 Canada's rates had stabilized at 5.8 per 100,000 population. Objective: To provide a descriptive overview of reported cases of HIV in Canada up until 2016 by geographic location, sex, age group, exposure category and race/ethnicity, with a focus on the most recent data...
December 7, 2017: Canada Communicable Disease Report, Relevé des Maladies Transmissibles Au Canada
https://www.readbyqxmd.com/read/29767638/pre-exposure-prophylaxis-with-tenofovir-disoproxil-fumarate-emtricitabine-and-kidney-tubular-dysfunction-in-hiv-uninfected-individuals
#9
Vasantha Jotwani, Rebecca Scherzer, David V Glidden, Megha Mehrotra, Patricia Defechereux, Albert Liu, Monica Gandhi, Michael Bennett, Steven G Coca, Chirag R Parikh, Robert M Grant, Michael G Shlipak
BACKGROUND: Pre-exposure prophylaxis (PrEP) with tenofovir disoproxil fumarate (TDF) and emtricitabine (FTC) is becoming increasingly adopted for HIV prevention. Tenofovir can cause proximal tubular damage and chronic kidney disease in HIV-infected persons, but little is known regarding its nephrotoxic potential among HIV-uninfected persons. In this study, we evaluated the effects of PrEP on urine levels of the following: α1-microglobulin (α1m), a marker of impaired tubular reabsorption; albuminuria, a measure of glomerular injury; and total proteinuria...
June 1, 2018: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/29767324/an-empiric-risk-score-to-guide-prep-targeting-among-msm-in-coastal-kenya
#10
Elizabeth Wahome, Alexander N Thiong'o, Grace Mwashigadi, Oscar Chirro, Khamisi Mohamed, Evans Gichuru, John Mwambi, Matt A Price, Susan M Graham, Eduard J Sanders
Men who have sex with men (MSM), who have heterogeneous HIV-acquisition risks are not specifically targeted in Kenyan pre-exposure prophylaxis (PrEP) guidelines. We used data from an open cohort, which followed 753 initially HIV-negative MSM participants for more than 1378.5 person-years, to develop an empiric risk score for targeting PrEP delivery. Independent predictors of incident HIV-1 infection in this cohort were an age of 18-24 years, having only male sex partners, having receptive anal intercourse, having any unprotected sex, and having group sex...
May 16, 2018: AIDS and Behavior
https://www.readbyqxmd.com/read/29762175/pregnancy-outcomes-and-infant-growth-among-babies-with-in-utero-exposure-to-tenofovir-based-pre-exposure-prophylaxis-for-hiv-prevention
#11
Renee Heffron, Nelly Mugo, Ting Hong, Connie Celum, Mark A Marzinke, Kenneth Ngure, Stephen Asiimwe, Elly Katabira, Elizabeth Bukusi, Josephine Odoyo, Edna Tindimwebwa, Nulu Bulya, Jared M Baeten
BACKGROUND: Global guidelines recommend pre-exposure prophylaxis (PrEP) use by women at risk for HIV, including during pregnancy, a period with heightened HIV risk. However, data to support safety of PrEP use during pregnancy are limited, particularly from women using PrEP throughout pregnancy. METHODS: In an open-label delivery study of PrEP integrated with ART for high risk HIV serodiscordant couples in Kenya and Uganda (the Partners Demonstration Project), women who became pregnant while using PrEP were offered the option to continue PrEP throughout pregnancy...
May 11, 2018: AIDS
https://www.readbyqxmd.com/read/29762169/change-in-sexual-risk-behaviour-after-six-months-of-pre-exposure-prophylaxis-use-results-from-the-amsterdam-prep-demonstration-project
#12
Elske Hoornenborg, Liza Coyer, Anna van Laarhoven, Roel Achterbergh, Henry de Vries, Maria Prins, Maarten Schim van der Loeff
OBJECTIVE: HIV pre-exposure prophylaxis (PrEP) use may lead to higher STI incidence via behavioral risk compensation. We examined changes in sexual behaviour between baseline and six months after PrEP initiation among men who have sex with men (MSM) and transgender women (TGW). DESIGN: Prospective, open-label demonstration study at a large sexually transmitted infections (STI) clinic in Amsterdam, the Netherlands. METHODS: Participants answered questions about sexual behaviour in the preceding three months, including number of anal sex partners and frequency of anal sex with and without condom by partner type and were tested for STI...
May 11, 2018: AIDS
https://www.readbyqxmd.com/read/29759422/executive-summary-of-the-gesida-national-aids-plan-consensus-document-on-antiretroviral-therapy-in-adults-infected-by-the-human-immunodeficiency-virus-updated-january-2018
#13
(no author information available yet)
This update to the document on antiretroviral therapy (ART) in adults, which has been prepared jointly by GeSIDA and the Spanish National AIDS Plan for the last two decades, supersedes the document published in 2017.1 The update provides physicians treating HIV-1-infected adults with evidence-based recommendations to guide their therapeutic decisions. The main difference with respect to the previous document concerns recommended initial ART regimens, only three of which are maintained as preferential. All three include dolutegravir or raltegravir, together with emtricitabine/tenofovir alafenamide or abacavir/lamivudine...
May 11, 2018: Enfermedades Infecciosas y Microbiología Clínica
https://www.readbyqxmd.com/read/29758064/risk-perception-and-sex-behaviour-in-pregnancy-and-breastfeeding-in-high-hiv-prevalence-settings-programmatic-implications-for-prep-delivery
#14
Dvora Joseph Davey, Elise Farley, Catriona Towriss, Yolanda Gomba, Linda-Gail Bekker, Pamina Gorbach, Steven Shoptaw, Thomas Coates, Landon Myer
HIV acquisition during pregnancy and breastfeeding significantly contributes toward paediatric HIV infection; however, little is known about risk behaviours in HIV-uninfected pregnant and postpartum women. We conducted twenty-six in-depth-interviews between July and December 2016 using a semi-structured interview guide among HIV-uninfected pregnant and recently postpartum women at-risk of HIV acquisition (defined as reporting ≥1 of the following: partner's serostatus unknown or HIV-infected, recent condomless sex in pregnancy, and/or alcohol use during pregnancy) who attended primary healthcare services...
2018: PloS One
https://www.readbyqxmd.com/read/29754268/the-role-of-social-relationships-in-prep-uptake-and-use-among-transgender-women-and-men-who-have-sex-with-men
#15
Megha L Mehrotra, K Rivet Amico, Vanessa McMahan, David V Glidden, Patricia Defechereux, Juan V Guanira, Robert M Grant
Qualitative studies suggest that social relationships play an important role in HIV pre-exposure prophylaxis (PrEP) use, but there have been few quantitative assessments of the role of social relationships in PrEP uptake or adherence. We examined the association between disclosure of study participation or LGBT identity and PrEP use in the 1603 HIV-negative participants enrolled in the iPrEx OLE study. We also evaluated the association between LGBT social group involvement and PrEP use. Study participation disclosure to parents and LGBT identity disclosure to anyone in a participant's social network were associated with greater PrEP uptake...
May 12, 2018: AIDS and Behavior
https://www.readbyqxmd.com/read/29746267/cabotegravir-its-potential-for-antiretroviral-therapy-and-preexposure-prophylaxis
#16
Hans-Jürgen Stellbrink, Christian Hoffmann
PURPOSE OF REVIEW: Analyzing the evidence for the strand transfer integrase inhibitor cabotegravir (CAB; GSK744, GSK1265744), its properties and differences from other compounds in the class, as well as reviewing the preclinical and clinical evidence for its potential in antretroviral therapy and medical HIV prevention. RECENT FINDINGS: CAB has been investigated both as an oral and an injectable compound. Recent results show that it has promising properties with regards to its potential for parenteral maintenance therapy in combination with other compounds in HIV-infected patients currently suppressed on oral agents, as well as in preexposure prophylaxis...
May 8, 2018: Current Opinion in HIV and AIDS
https://www.readbyqxmd.com/read/29745290/healthcare-providers-understanding-of-hiv-serodiscordance-in-south-africa-and-uganda-implications-for-hiv-prevention-in-sub-saharan-africa
#17
Ross Greener, Cecilia Milford, Francis Bajunirwe, Faith N Mosery, Claudia K Ng, Rachel Rifkin, Jasmine Kastner, Lavanya Pillay, Angela Kaida, David R Bangsberg, Jennifer A Smit, Lynn T Matthews
HIV transmission within stable heterosexual HIV serodiscordant couples accounts for almost half the new incident infections in South Africa and Uganda. Advances in HIV prevention provide opportunities to reduce transmission risk within serodiscordant partnerships (e.g., antiretroviral treatment (ART), pre-exposure prophylaxis (PrEP), medical male circumcision, and couples-based HIV counselling and testing). These interventions require a clinical encounter with a provider who recognises prevention opportunities within these partnerships...
May 10, 2018: African Journal of AIDS Research: AJAR
https://www.readbyqxmd.com/read/29744767/poppers-and-prep-use-of-pre-exposure-prophylaxis-among-men-who-have-sex-with-men-who-use-inhaled-nitrites
#18
H Rhodes Hambrick, Su Hyun Park, John A Schneider, Kenneth H Mayer, Adam W Carrico, Scott E Sherman, Dustin T Duncan
Men who have sex with men (MSM) commonly use inhaled nitrites, or poppers, though their use is a risk factor HIV seroconversion. Pre-exposure prophylaxis, or PrEP, is effective for HIV prevention, but is not widely used, and little is known regarding PrEP use and acceptability among MSM who use inhaled nitrites. We surveyed 580 MSM in Paris, France in 2016 about popper use, sexual behaviors including condomless anal intercourse (CAI), serosorting, and sexual positioning, PrEP use, PrEP candidacy, and interest in alternate PrEP delivery modalities...
May 9, 2018: AIDS and Behavior
https://www.readbyqxmd.com/read/29741665/evaluation-of-prep-eligibility-criteria-using-sexually-transmissible-infections-as-hiv-risk-markers-at-enrolment-in-prepx-a-large-australian-hiv-pre-exposure-prophylaxis-trial
#19
Vincent J Cornelisse, Christopher K Fairley, Mark Stoove, Jason Asselin, Eric P F Chow, Brian Price, Norman J Roth, Jeff Willcox, B K Tee, Matthew Penn, Christina C Chang, Judith Armishaw, George Forgan-Smith, Edwina J Wright
Background: The PrEPX trial provided HIV pre-exposure prophylaxis (PrEP) to 2600 people in Victoria, Australia. To determine participants' HIV risk, PrEPX used six eligibility criteria derived from the Australian PrEP guidelines, based on the CDC PrEP guidelines. Participants who fulfilled no eligibility criteria could be enrolled if clinically assessed to need PrEP. This study evaluated whether PREPX eligibility criteria correlated with biological HIV risk markers, namely syphilis, anorectal chlamydia or anorectal gonorrhoea (STIs)...
May 7, 2018: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29741594/early-adopters-of-hiv-preexposure-prophylaxis-in-a-population-based-combination-prevention-study-in-rural-kenya-and-uganda
#20
Catherine A Koss, James Ayieko, Florence Mwangwa, Asiphas Owaraganise, Dalsone Kwarisiima, Laura B Balzer, Albert Plenty, Norton Sang, Jane Kabami, Theodore D Ruel, Douglas Black, Carol S Camlin, Craig R Cohen, Elizabeth A Bukusi, Tamara D Clark, Edwin D Charlebois, Maya L Petersen, Moses R Kamya, Diane V Havlir
Background: Global guidelines recommend preexposure prophylaxis (PrEP) for individuals with substantial HIV risk. Data on PrEP uptake in sub-Saharan Africa outside of clinical trials are limited. We report on "early adopters" of PrEP in SEARCH, an ongoing population-based study in rural Uganda and Kenya. Methods: Following community mobilization and education on PrEP, population-based HIV testing was conducted. HIV-uninfected adults were offered PrEP based on an empirically-derived HIV risk score or an individual's self-identified HIV risk (if not identified by score)...
May 5, 2018: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
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