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https://www.readbyqxmd.com/read/28222118/social-structural-behavioral-and-clinical-factors-influencing-retention-in-pre-exposure-prophylaxis-prep-care-in-mississippi
#1
Trisha Arnold, Lauren Brinkley-Rubinstein, Philip A Chan, Amaya Perez-Brumer, Estefany S Bologna, Laura Beauchamps, Kendra Johnson, Leandro Mena, Amy Nunn
Pre-exposure prophylaxis (PrEP) is a biomedical intervention that can reduce rates of HIV transmission when taken once daily by HIV-negative individuals. Little is understood about PrEP uptake and retention in care among the populations most heavily impacted by the HIV epidemic, particularly among young men who have sex with men (YMSM) in the Deep South. Therefore, this study explored the structural, social, behavioral, and clinical factors that affect PrEP use and retention in care among YMSM in Jackson, Mississippi...
2017: PloS One
https://www.readbyqxmd.com/read/28218730/neoflavonoids-as-inhibitors-of-hiv-1-replication-by-targeting-the-tat-and-nf-%C3%AE%C2%BAb-pathways
#2
Dionisio A Olmedo, José Luis López-Pérez, Esther Del Olmo, Luis M Bedoya, Rocío Sancho, José Alcamí, Eduardo Muñoz, Arturo San Feliciano, Mahabir P Gupta
Twenty-eight neoflavonoids have been prepared and evaluated in vitro against HIV-1. Antiviral activity was assessed on MT-2 cells infected with viral clones carrying the luciferase reporter gene. Inhibition of HIV transcription and Tat function were tested on cells stably transfected with the HIV-LTR and Tat protein. Seven 4-phenylchromen-2-one derivatives showed HIV transcriptional inhibitory activity but only the phenylchrome-2-one 10 inhibited NF-κB and displayed anti-Tat activity simultaneously. Compounds 10, 14, and 25, inhibited HIV replication in both targets at concentrations <25 μM...
February 19, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28214391/correlates-of-willingness-to-initiate-pre-exposure-prophylaxis-and-anticipation-of-practicing-safer-drug-and-sex-related-behaviors-among-high-risk-drug-users-on-methadone-treatment
#3
Roman Shrestha, Pramila Karki, Frederick L Altice, Tania B Huedo-Medina, Jaimie P Meyer, Lynn Madden, Michael Copenhaver
BACKGROUND: Although people who use drugs (PWUD) are key populations recommended to receive pre-exposure prophylaxis (PrEP) to prevent HIV, few data are available to guide PrEP delivery in this underserved group. We therefore examined the willingness to initiate PrEP and the anticipation of HIV risk reduction while on PrEP among high-risk PWUD. METHODS: In a cross-sectional study of 400 HIV-negative, opioid dependent persons enrolled in a methadone program and reporting recent risk behaviors, we examined independent correlates of being willing to initiate PrEP...
February 2, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28210943/faces-of-frailty-in-aging-with-hiv-infection
#4
REVIEW
Marion Thurn, Deborah R Gustafson
PURPOSE OF THE REVIEW: The number of adults who are aging successfully and have HIV infection is increasing. More effective antiretroviral therapy (ART) regimens are preventing individuals infected with HIV from reaching end stages of the HIV infection and developing AIDS (acquired immunodeficiency syndrome). However, even at lower viral loads, chronic HIV infection appears to have consequences on aging processes, including the development of frailty. RECENT FINDINGS: Frailty is a term used to describe vulnerability in aging...
February 16, 2017: Current HIV/AIDS Reports
https://www.readbyqxmd.com/read/28209492/reproductive-considerations-in-the-setting-of-chronic-viral-illness
#5
REVIEW
Brent M Hanson, Jessie A Dorais
Special considerations must be taken when patients with human immunodeficiency virus (HIV), Hepatitis B, or Hepatitis C desire to achieve pregnancy. Patients with chronic viral illnesses desire children at rates similar to the general population, and options are available to decrease both vertical transmission and viral transmission between partners. Preconception counseling or consultation with fertility specialists is imperative in patients with HIV, Hepatitis B, and Hepatitis C so that reproductive goals can be addressed and optimized...
February 13, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28208119/hiv-prevention-opportunities-and-challenges
#6
Jeanne M Marrazzo
Preexposure prophylaxis (PrEP) with tenofovir disoproxil fumarate (TDF)-based regimens has been shown to be effective in preventing acquisition of HIV infection, with protective efficacy being dependent on adherence to treatment. Data from the PROUD (Preexposure Option for Reducing HIV in the UK) and IPERGAY (Action to Prevent Risk Exposure By and For Gay Men) studies, the later of which employed event-driven PrEP, showed a high rate of protective efficacy of PrEP with TDF and emtricitabine among men who have sex with men...
December 2017: Topics in Antiviral Medicine
https://www.readbyqxmd.com/read/28196511/antiretroviral-therapy-related-adverse-effects-can-sub-saharan-africa-cope-with-the-new-test-and-treat-policy-of-the-world-health-organization
#7
Jobert Richie N Nansseu, Jean Joel R Bigna
BACKGROUND: Recent studies have shown that early antiretroviral therapy (ART) initiation results in significant HIV transmission reduction. This is the rationale behind the "test and treat" policy of the World Health Organization (WHO). Implementation of this policy will lead to an increased incidence of ART-related adverse effects, especially in sub-Saharan Africa (SSA). Is the region yet ready to cope with such a challenging issue? MAIN BODY: The introduction and widespread use of ART have drastically changed the natural history of HIV/AIDS, but exposure to ART leads to serious medication-related adverse effects mainly explained by mitochondrial toxicities, and the situation will get worse in the near future...
February 15, 2017: Infectious Diseases of Poverty
https://www.readbyqxmd.com/read/28195780/strategies-chosen-by-ymsm-during-goal-setting-to-reduce-risk-for-hiv-and-other-sexually-transmitted-infections-results-from-the-keep-it-up-2-0-prevention-trial
#8
Darnell N Motley, Sydney Hammond, Brian Mustanski
Although there have been great advances in the prevention of HIV in the last two decades, young men who have sex with men (YMSM) continue to be disproportionately impacted. Utilizing qualitative data from a sample of YMSM (N = 292) engaged in a randomized controlled trial testing the efficacy of an internet-based HIV prevention program, we examined YMSM's goals for sexual risk reduction. Goals tended to focus on strategies used to prepare for safer sex or strategies to be used during sex. In both areas, five categories of strategies were identified: skill-related, intrapersonal, social, contextual, and instrumental...
February 2017: AIDS Education and Prevention: Official Publication of the International Society for AIDS Education
https://www.readbyqxmd.com/read/28187084/uptake-of-hiv-pre-exposure-prophylaxis-prep-in-a-national-cohort-of-gay-and-bisexual-men-in-the-united-states
#9
Jeffrey T Parsons, H Jonathon Rendina, Jonathan M Lassiter, Thomas H F Whitfield, Tyrel J Starks, Christian Grov
OBJECTIVES: The HIV care cascade provides milestones to track the progress of HIV-positive people from seroconversion through viral suppression. We propose a Motivational pre-exposure prophylaxis (PrEP) Cascade involving 5 stages based on the Transtheoretical Model of Change. METHODS: We analyzed data from 995 men in One Thousand Strong, a longitudinal study of a national panel of HIV-negative gay and bisexual men in the United States. RESULTS: Nearly all (89%) participants were sexually active in the past 3 months and 65% met Centers for Disease Control criteria for PrEP candidacy...
1, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28185538/synthesis-and-biological-evaluation-of-hybrid-1-5-and-2-5-disubstituted-indoles-as-potentially-new-antitubercular-agents
#10
Ana Soares, Mónica S Estevão, M Manuel B Marques, Vasily Kovalishyn, Diogo A R S Latino, João Aires-de-Sousa, Jorge Ramos, Miguel Viveiros, Filomena Martins
BACKGROUND: Tuberculosis (TB) is the second leading cause of mortality worldwide being a highly contagious and insidious illness caused by Mycobacterium tuberculosis, Mtb. Additionally, the emergence of multidrug-resistant and extensively drug-resistant strains of Mtb, together with significant levels of co-infection with HIV and TB (HIV/TB) makes the search for new antitubercular drugs urgent and challenging. METHODS: This work was based on the hypothesis that an active compound could be obtained if substituents present in some other active compounds were attached on a core of an important structure, in this case the indole scaffold, thus generating a hybrid compound...
February 9, 2017: Medicinal Chemistry
https://www.readbyqxmd.com/read/28183626/stavudine-loaded-gelatin-liposomes-for-hiv-therapy-preparation-characterization-and-in-vitro-cytotoxic-evaluation
#11
Debasis Nayak, Ankita Boxi, Sarbani Ashe, Neethi Chandra Thathapudi, Bismita Nayak
Despite continuous research and availability of 25 different active compounds for treating chronic HIV-1 infection, there is no absolute cure for this deadly disease. Primarily, the residual viremia remains hidden in latently infected reservoir sites and persistently release the viral RNA into the blood stream. The study proposes the dual utilization of the prepared stavudine-containing nanoformulations to control the residual viremia as well as target the reservoir sites. Gelatin nanoformulations containing very low dosage of stavudine were prepared through classical desolvation process and were later loaded in soya lecithin-liposomes...
April 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28177783/expression-purification-and-renaturation-of-recombinant-peptide-based-hiv-vaccine-in-escherichia-coli
#12
Wei He, Jiayi Shu, Jian Zhang, Zhihua Liu, Jianqing Xu, Xia Jin, Xuedong Wang
One of the new HIV vaccine strategies is to design epitope-based immunogen. We previously predicted 20 potential HIV epitopes using bioinformatics approaches. The combination of these 20 epitopes has a theoretical coverage of 98.1% of the population for both the prevalent HIV genotypes and Chinese human leukocyte antigen (HLA) DR types. In order to test whether this vaccine is immunogenic in vivo, a corresponding antigen needs to be prepared. To this end, we constructed recombinant plasmid containing DNA encoding 300 amino acids of this vaccine protein, and then transformed Escherichia coli BL21 (DE3) cells with the plasmid...
January 27, 2017: Canadian Journal of Microbiology
https://www.readbyqxmd.com/read/28176168/a-global-estimate-of-the-acceptability-of-pre-exposure-prophylaxis-for-hiv-among-men-who-have-sex-with-men-a-systematic-review-and-meta-analysis
#13
Peng Peng, Shu Su, Christopher K Fairley, Minjie Chu, Shengyang Jiang, Xun Zhuang, Lei Zhang
Pre-exposure prophylaxis (PrEP) is a new biomedical intervention for HIV prevention. This study systematically reviews the acceptability of PrEP among men who have sex with men (MSM) worldwide. We searched major English databases to identify English-language articles published between July 2007 and July 2016, which reported the acceptability of PrEP and associated population characteristics. Meta-analysis was conducted to estimate a pooled acceptability, and meta-regression and subgroup analysis were used to analyse heterogeneities...
February 7, 2017: AIDS and Behavior
https://www.readbyqxmd.com/read/28170424/generational-analysis-of-trends-in-unprotected-sex-in-france-among-men-who-have-sex-with-men-the-major-role-of-context-driven-evolving-patterns
#14
Nicolas Méthy, Laurence Meyer, Nathalie Bajos, Annie Velter
OBJECTIVE: Using a generational approach, this study analyses how unprotected anal intercourse has evolved since 1991 in France across different generations of men who have sex with men (MSM) whose sexual lives began at different periods in the history of the HIV epidemic. DESIGN: Data were collected from 18-59 year-old respondents to the French Gay Press surveys Enquêtes Presse Gay, conducted repeatedly between 1991 and 2011 (N = 32,196) using self-administered questionnaires distributed in gay magazines and over the internet...
2017: PloS One
https://www.readbyqxmd.com/read/28170304/hiv-pre-exposure-prophylaxis-and-postexposure-prophylaxis-in-japan-context-of-use-and-directions-for-future-research-and-action
#15
Anthony S DiStefano, Makiko Takeda
Biomedical HIV prevention strategies are playing an increasingly prominent role in addressing HIV epidemics globally, but little is known about their use in Japan, where persistent HIV disparities and a recently stable, but not declining, national epidemic indicate the need for evolving approaches. We conducted an ethnographic study to determine the context of pre-exposure prophylaxis (PrEP) and postexposure prophylaxis (PEP) use and to identify directions for future research and action in Japan. We used data from observational fieldwork in the Kansai region and Tokyo Metropolitan Area (n = 178 persons observed), qualitative interviews (n = 32), documents and web-based data sources (n = 321), and email correspondences (n = 9) in the period 2013-2016...
February 2017: AIDS Patient Care and STDs
https://www.readbyqxmd.com/read/28166254/establishing-a-cost-per-result-of-laboratory-based-reflex-cryptococcal-antigenaemia-screening-crag-in-hiv-patients-with-cd4-counts-less-than-100-cells-%C3%AE-l-using-a-lateral-flow-assay-lfa-at-a-typical-busy-cd4-laboratory-in-south-africa
#16
Naseem Cassim, Kathryn Schnippel, Lindi Marie Coetzee, Deborah Kim Glencross
INTRODUCTION: Cryptococcal meningitis is a major cause of mortality and morbidity in countries with high HIV prevalence, primarily affecting patients whose CD4 are < = 100 cells/μl. Routine Cryptococcal Antigen (CrAg) screening is thus recommended in the South African HIV treatment guidelines for all patients with CD4 counts < = 100 cells/μl, followed by pre-emptive anti-fungal therapy where CrAg results are positive. A laboratory-based reflexed CrAg screening approach, using a Lateral Flow Assay (LFA) on remnant EDTA CD4 blood samples, was piloted at three CD4 laboratories...
2017: PloS One
https://www.readbyqxmd.com/read/28153223/the-costs-on-inaction-on-prep
#17
EDITORIAL
The Lancet Hiv
No abstract text is available yet for this article.
February 2017: Lancet HIV
https://www.readbyqxmd.com/read/28150120/behavioral-changes-following-uptake-of-hiv-pre-exposure-prophylaxis-among-men-who-have-sex-with-men-in-a-clinical-setting
#18
Catherine E Oldenburg, Amy S Nunn, Madeline Montgomery, Alexi Almonte, Leandro Mena, Rupa R Patel, Kenneth H Mayer, Philip A Chan
We describe changes in sexual behaviors among men who have sex with men (MSM) following initiation of pre-exposure prophylaxis (PrEP) in a clinic-based sample of MSM initiating PrEP in Providence, Rhode Island. Data were collected at baseline, 3, and 6 months following PrEP initiation including total number of anal sex partners and condom use. A longitudinal mixed effects model assessed changes in number of partners and condom use over time, adjusting for age, race, and education. There was no statistically significant difference in total number of partners over time...
February 1, 2017: AIDS and Behavior
https://www.readbyqxmd.com/read/28147704/pre-exposure-prophylaxis-prescribing-and-retention-in-care-among-heterosexual-women-at-a-community-based-comprehensive-sexual-health-clinic
#19
Oni J Blackstock, Viraj V Patel, Uriel Felsen, Connie Park, Sachin Jain
In the United States, heterosexual women account for 20% of new HIV infections. As a user-controlled HIV prevention method, pre-exposure prophylaxis (PrEP) has substantial potential to reduce new infections among women. However, among women, PrEP is vastly underutilized. To guide efforts to increase women-at-risk's PrEP use, we sought to describe the characteristics of women prescribed PrEP as well as their retention in PrEP care. We conducted a chart review of women who received care at a comprehensive sexual health clinic within a large urban health care system...
February 1, 2017: AIDS Care
https://www.readbyqxmd.com/read/28145472/predicting-hiv-pre-exposure-prophylaxis-efficacy-for-women-using-a-preclinical-pharmacokinetic-pharmacodynamic-in-vivo-model
#20
Angela Wahl, Phong T Ho, Paul W Denton, Katy L Garrett, Michael G Hudgens, Glenn Swartz, Cynthia O'Neill, Fulvia Veronese, Angela D Kashuba, J Victor Garcia
The efficacy of HIV pre-exposure prophylaxis (PrEP) relies on adherence and may also depend on the route of HIV acquisition. Clinical studies of systemic tenofovir disoproxil fumarate (TDF) PrEP revealed reduced efficacy in women compared to men with similar degrees of adherence. To select the most effective PrEP strategies, preclinical studies are critically needed to establish correlations between drug concentrations (pharmacokinetics [PK]) and protective efficacy (pharmacodynamics [PD]). We utilized an in vivo preclinical model to perform a PK-PD analysis of systemic TDF PrEP for vaginal HIV acquisition...
February 1, 2017: Scientific Reports
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