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Post exposure hiv prophylaxis

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https://www.readbyqxmd.com/read/29023141/sexual-identity-disclosure-and-awareness-of-hiv-prevention-methods-among-black-men-who-have-sex-with-men
#1
Ryan J Watson, Jessica N Fish, Aerielle Allen, Lisa Eaton
Black men who have sex with men (BMSM) are disproportionately affected by the human immunodeficiency virus (HIV) epidemic, yet we know little about how HIV-negative BMSM of different sexual orientations access HIV prevention strategies. Identity development, minority stress, and disclosure theories suggest that for people of different sexual orientations, disclosure of sexual identity may be related to health behaviors. We performed a latent class analysis on a sample of 650 BMSM (Mage = 33.78, SD = 11...
October 12, 2017: Journal of Sex Research
https://www.readbyqxmd.com/read/28986029/daily-and-non-daily-pre-exposure-prophylaxis-in-african-women-hptn-067-adapt-cape-town-trial-a-randomised-open-label-phase-2-trial
#2
Linda-Gail Bekker, Surita Roux, Elaine Sebastien, Ntando Yola, K Rivet Amico, James P Hughes, Mark A Marzinke, Craig W Hendrix, Peter L Anderson, Vanessa Elharrar, Michael Stirratt, James F Rooney, Estelle Piwowar-Manning, Susan H Eshleman, Laura McKinstry, Maoji Li, Bonnie J Dye, Robert M Grant
BACKGROUND: The relative feasibility and acceptability of daily versus non-daily dosing of oral HIV pre-exposure prophylaxis (PrEP) among women are unknown. We aimed to investigate the feasibility of non-daily PrEP regimens in adult women. METHODS: We did a randomised, open-label, phase 2 clinical trial (HPTN 067/ADAPT) of oral PrEP with emtricitabine plus tenofovir disoproxil fumarate at a research centre in Cape Town, South Africa. Participants were adult women (age ≥18 years) who received directly observed dosing once a week for 5 weeks followed by random assignment (1:1:1) at week 6 to one of three unblinded PrEP regimens for self-administered dosing over 24 weeks: daily; time-driven (twice a week plus a post-sex dose); or event-driven (one tablet both before and after sex)...
October 3, 2017: Lancet HIV
https://www.readbyqxmd.com/read/28975484/intentional-and-unintentional-condom-breakage-and-slippage-in-the-sexual-interactions-of-female-and-male-sex-workers-and-clients-in-mombasa-kenya
#3
Tsitsi B Masvawure, Joanne E Mantell, Jack Ume Tocco, Peter Gichangi, Arjee Restar, Sophie Vusha Chabeda, Yves Lafort, Theo G M Sandfort
We examined why male condoms broke or slipped off during commercial sex and the actions taken in response among 75 female and male sex workers and male clients recruited from 18 bars/nightclubs in Mombasa, Kenya. Most participants (61/75, 81%) had experienced at least one breakage or slippage during commercial sex. Many breakages were attributed to the direct actions of clients. Breakages and slippages fell into two main groups: those that were intentionally caused by clients and unintentional ones caused by inebriation, forceful thrusting during sex and incorrect or non-lubricant use...
October 3, 2017: AIDS and Behavior
https://www.readbyqxmd.com/read/28940154/elsulfavirine-first-global-approval
#4
Zaina T Al-Salama
Elsulfavirine (Elpida(®)) is a new-generation non-nucleoside reverse transcriptase inhibitor (NNRTI) being developed by Viriom for the treatment and prevention of human immunodeficiency virus (HIV) infections. It is the prodrug of the active compound VM-1500A, a small molecule selective NNRTI, which prevents HIV replication. In June 2017, elsulfavirine received its first global approval in Russia for the treatment of HIV-1 infections in combination with other antiretroviral medicines. Other formulations of this drug are also being evaluated in preclinical and phase II studies for the treatment of HIV infections and/or pre-exposure and post-exposure prophylaxis...
September 23, 2017: Drugs
https://www.readbyqxmd.com/read/28893602/raltegravir-blocks-the-infectivity-of-red-fluorescent-protein-mcherry-labeled-hiv-1jr-fl-in-the-setting-of-post-exposure-prophylaxis-in-nod-scid-jak3-mice-transplanted-with-human-pbmcs
#5
Hiromi Ogata-Aoki, Nobuyo Higashi-Kuwata, Shin-Ichiro Hattori, Hironori Hayashi, Matthew Danish, Manabu Aoki, Chiemi Shiotsu, Yumi Hashiguchi, Akinobu Hamada, Hisataka Kobayashi, Hironobu Ihn, Seiji Okada, Hiroaki Mitsuya
Employing NOD/SCID/Jak3(-/-) mice transplanted with human PBMCs (hNOJ mice) and replication-competent, red-fluorescent-protein (mCherry; mC)-labeled HIV-1JR-FL (HIVmC), we examined whether early antiretroviral treatment blocked the establishment of HIV-1 infection. The use of hNOJ mice and HIVmC enabled us to visually locate infection foci and to examine the early dynamics of HIVmC infection without using a large amount of antiretroviral unlike in non-human primate models. Although when raltegravir (RAL) administration was begun 1 day after intraperitoneal (ip) inoculation of HIVmC, no plasma p24 or plasma HIV-1-RNA (pRNA) were detected in 10 of 12 hNOJ (hNOJmC(RAL+)) mice over 14-day observation, all 10 untreated hNOJmC (hNOJmC(RAL-)) mice became positive for p24 and pRNA and had significantly swollen lymph nodes in peritoneal cavity and abundant p24(+)/mC(+)/CD3(+)/CD4(+) T cells and p24(+)/mC(+)/CD68(+) monocytes/macrophages were identified in their omenta and mesenteric lymphoid tissues/lymph nodes...
September 8, 2017: Antiviral Research
https://www.readbyqxmd.com/read/28859613/clinical-care-given-to-victims-of-sexual-assault-at-kadoma-general-hospital-zimbabwe-a-secondary-data-analysis-2016
#6
Stanley Tapesana, Daniel Chirundu, Gerald Shambira, Notion Tafara Gombe, Tsitsi Patience Juru, Tshimanga Mufuta
BACKGROUND: Despite the guidelines for managing sexual assault being in place, victims of sexual assault attended to at Kadoma General Hospital consistently raised complaints related to the quality of care offered. Medicolegal data for sexual assault has been collected at the hospital since 2012. However, no analysis had been done regardless of complaints having been raised. We analysed the dataset to determine the quality of clinical care offered to sexual assault victims. METHODS: A retrospective cross-sectional study based on secondary data was conducted...
August 31, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28858725/focus-on-the-therapeutic-efficacy-of-3bnc117-against-hiv-1-in-vitro-studies-in-vivo-studies-clinical-trials-and-challenges
#7
REVIEW
Zhi-Jun Liu, Jing Bai, Feng-Li Liu, Xiang-Yang Zhang, Jing-Zhang Wang
3BNC117, which was discovered in 2011, is a broadly neutralizing antibody (bNAb) and specifically neutralizes the human immunodeficiency virus type-1 (HIV-1) by targeting the CD4-binding site. This is the first comprehensive review that focuses on the role of 3BNC117 in the prevention of HIV-1 and acquired immune deficiency syndrome (AIDS). Briefly, 3BNC117 neutralizes many HIV/SHIV strains in vitro, blocks HIV-1 acquisition in animal models via a pre-exposure prophylaxis, alleviates HIV-1-associated viremia via a post-exposure therapeutic effect, prevents the establishment of latent HIV-1 reservoirs, and induces both humoral and cellular anti-HIV immune responses in vivo...
November 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28797020/brief-report-selection-of-hiv-1-variants-with-higher-transmission-potential-by-1-tenofovir-gel-microbicide
#8
Nobubelo K Ngandu, Jonathan M Carlson, Denis R Chopera, Nonkululeko Ndabambi, Quarraisha Abdool Karim, Salim Abdool Karim, Carolyn Williamson
BACKGROUND: Women in the CAPRISA 004 trial assigned to use 1% tenofovir (TFV) microbicide gel, who became HIV-1 infected, had higher viral load set-point and slower antibody avidity maturation compared with placebo participants. We investigated whether TFV gel was selected for viruses with altered genetic characteristics. SETTING: The participants of the CAPRISA 004 trial (n = 28 TFV and 43 placebo) were from KwaZulu-Natal Province, South Africa and were infected with HIV-1 subtype C...
September 1, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28758020/factors-associated-with-intention-to-take-non-occupational-hiv-post-exposure-prophylaxis-among-thai-men-who-have-sex-with-men
#9
EDITORIAL
Nitiya Chomchey, Thira Woratanarat, Narin Hiransuthikul, Somrat Lertmaharit, Vitool Lohsoonthorn, Nipat Teeratakulpisarn, Suteeraporn Pinyakorn, James Lk Fletcher, Duanghathai Suttichom, Praphan Phanuphak, Jintanat Ananworanich, Nittaya Phanuphak
BACKGROUND: Men who have sex with men (MSM) are disproportionately infected with HIV in Thailand. Factors affecting their intention to take non-occupational HIV post-exposure prophylaxis (nPEP) are not well understood. This study sought to determine factors associated with an intention to take nPEP in this population. METHOD: This is a two-phase mixed-method study. Phase I was a cross-sectional survey of intention to take nPEP in 450 MSM attending for HIV testing, using a self-administered questionnaire...
July 1, 2017: Journal of Virus Eradication
https://www.readbyqxmd.com/read/28741417/syndemics-of-stigma-minority-stress-maladaptive-coping-risk-environments-and-littoral-spaces-among-men-who-have-sex-with-men-using-chemsex
#10
Alex Pollard, Tom Nadarzynski, Carrie Llewellyn
There has been a steep rise in the use of drugs during sex (chemsex) by some men who have sex with men in economically developed countries, with associated increases in sexual risk for HIV and other STIs. This paper presents data from telephone interviews with 15 men attending sexual health clinics for post-exposure prophylaxis following a chemsex-related risk for HIV and discusses some of the theoretical approaches that have been employed to understand chemsex and inform interventions. Interviews were conducted as part of a larger intervention study, which used an adapted version of motivational Interviewing to explore risk behaviour and support change...
July 25, 2017: Culture, Health & Sexuality
https://www.readbyqxmd.com/read/28732773/efficacy-of-oral-pre-exposure-prophylaxis-prep-for-hiv-among-women-with-abnormal-vaginal-microbiota-a-post-hoc-analysis-of-the-randomised-placebo-controlled-partners-prep-study
#11
Renee Heffron, R Scott McClelland, Jennifer E Balkus, Connie Celum, Craig R Cohen, Nelly Mugo, Elizabeth Bukusi, Deborah Donnell, Jairam Lingappa, James Kiarie, Tina Fiedler, Matthew Munch, David N Fredricks, Jared M Baeten
BACKGROUND: Daily oral tenofovir-based pre-exposure prophylaxis (PrEP) is high efficacious for HIV prevention among women with high adherence. However, the effect of abnormal vaginal microbiota on PrEP efficacy is of concern. We investigated whether bacterial vaginosis modified the efficacy of oral PrEP. METHODS: We used prospectively collected data from women in the Partners PrEP Study, a placebo-controlled trial of daily oral PrEP (either tenofovir monotherapy or a combination of tenofovir and emtricitabine) in HIV serodiscordant couples aged 18 years or older in Kenya and Uganda that showed high efficacy in women...
October 2017: Lancet HIV
https://www.readbyqxmd.com/read/28720021/ricky-and-lucy-gender-stereotyping-among-young-black-men-who-have-sex-with-men-in-the-us-deep-south-and-the-implications-for-hiv-risk-in-a-severely-affected-population
#12
Bronwen Lichtenstein, Emma Sophia Kay, Ian Klinger, Matt G Mutchler
HIV disproportionately affects young Black men who have sex with men in the USA, with especially high rates in the Deep South. In this Alabama study, we interviewed 24 pairs of young Black men who have sex with men aged 19-24 and their close friends (n = 48) about sexual scripts, dating men and condom use. Three main themes emerged from the study: the power dynamics of 'top' and 'bottom' sexual positions for condom use; gender stereotyping in the iconic style of the 'I Love Lucy' show of the 1950s; and the sexual dominance of 'trade' men...
July 19, 2017: Culture, Health & Sexuality
https://www.readbyqxmd.com/read/28705594/induction-of-abcg2-bcrp-restricts-the-distribution-of-zidovudine-to-the-fetal-brain-in-rats
#13
María Fernanda Filia, Timoteo Marchini, Juan Mauricio Minoia, Martín Ignacio Roma, Fernanda Teresa De Fino, Modesto Carlos Rubio, Guillermo J Copello, Pablo A Evelson, Roxana Noemí Peroni
Safety concerns for fetus development of zidovudine (AZT) administration as prophylaxis of vertical transmission of HIV persist. We evaluated the participation of the ATP-binding cassette efflux transporter ABCG2 in the penetration of AZT into the fetal brain and the relevance for drug safety. Oral daily doses of AZT (60mg/kg body weight) or its vehicle were administered between post gestational days 11 (E11) and 20 (E20) to Sprague-Dawley pregnant rats. At E21, animals received an intravenous bolus of 60mg AZT/kg body weight in the presence or absence of the ABCG2 inhibitor gefitinib (20mg/kg body weight, ip) and AZT in maternal plasma and fetal brain were measured by HPLC-UV...
September 1, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28657279/knowledge-of-hiv-pep-among-healthcare-workers-in-ireland-2016-room-for-improvement
#14
P Garvey, L Thornton, F Lyons
Post-exposure prophylaxis (PEP) is an important aspect of HIV prevention following potential exposure. We conducted a survey to assess knowledge of HIV PEP, and awareness of HIV PEP resources, among key healthcare professionals, using an anonymous online questionnaire. Twelve (18%) of 68 respondents answered five or more of six knowledge questions correctly; 49 (72%) cited the Emergency Management of Injuries (EMI) toolkit as a resource. Although most respondents were aware of the EMI Toolkit for HIV PEP, the low number of respondents correctly answering knowledge questions suggests a need for training to avoid potential suboptimal HIV PEP use...
January 11, 2017: Irish Medical Journal
https://www.readbyqxmd.com/read/28639995/brief-report-recovery-of-bone-mineral-density-after-discontinuation-of-tenofovir-based-hiv-pre-exposure-prophylaxis
#15
RANDOMIZED CONTROLLED TRIAL
David V Glidden, Kathleen Mulligan, Vanessa McMahan, Peter L Anderson, Juan Guanira, Suwat Chariyalertsak, Susan P Buchbinder, Linda Gail Bekker, Mauro Schechter, Beatriz Grinsztejn, Robert M Grant
BACKGROUND: Oral tenofovir disoproxil fumarate (TDF) for HIV prevention and treatment is associated with decreases in bone mineral density (BMD). Previous reports suggest that these changes may be reversible after discontinuation of TDF. SETTING: A metabolic substudy of 498 participants in a randomized, placebo-controlled HIV prevention trial of oral coformulated TDF with emtricitabine (TDF/FTC, Truvada) for HIV pre-exposure prophylaxis (PrEP) enrolling a global sample of men who have sex with men and trans women...
October 1, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28631059/trends-in-hiv-risk-testing-and-treatment-among-msm-in-chicago-2004-2014-implications-for-hiv-elimination-planning
#16
Ethan Morgan, Britt Skaathun, Nicola Lancki, Antonio D Jimenez, Jesus Ramirez-Valles, Ramona Bhatia, Stephanie Masiello-Schuette, Nanette Benbow, Nikhil Prachand, John A Schneider
Men who have sex with men (MSM) in the USA continue to have high rates of HIV infection. Increasingly, in addition to behavioral factors, biomedical interventions have been found to play important roles in HIV prevention. In this analysis, we used four waves of cross-sectional data (2004, 2008, 2011, and 2014) from the National HIV Behavioral Surveillance System (NHBS) to examine trends in key behaviors and biomedical interventions among MSM in Chicago (N = 3298). Logistic regression was used to determine changes in behaviors and use of biomedical interventions...
June 19, 2017: Journal of Urban Health: Bulletin of the New York Academy of Medicine
https://www.readbyqxmd.com/read/28612589/-post-exposure-prophylaxis-against-hiv-do-we-use-our-resources-appropriately
#17
R Escudero-Sánchez, C J Kurt Meier-de-Taboada, E Bartolome-García, P M Rodríguez-de-Bethencourt-Sanjuan, J E Losa-García
OBJECTIVE: Post-exposure prophylaxis (PEP) against human immunodeficiency virus can be occupational, non-occupational or vertical transmission. The aim of our study was to analyse the indication and treatment carried out in a hospital. METHODS: Retrospective observational study that included all patients who received PEP between 2006 and 2014. The project was approved by the Committee for Ethics in Clinical Research. RESULTS: We evaluated 54 PEP, which were started at 11...
June 14, 2017: Revista Española de Quimioterapia: Publicación Oficial de la Sociedad Española de Quimioterapia
https://www.readbyqxmd.com/read/28604443/differences-in-awareness-of-pre-exposure-prophylaxis-and-post-exposure-prophylaxis-among-groups-at-risk-for-hiv-in-new-york-state-new-york-city-and-long-island-ny-2011-2013
#18
Suzan M Walters, Alexis V Rivera, Lila Starbuck, Kathleen H Reilly, Nyasha Boldon, Bridget J Anderson, Sarah Braunstein
BACKGROUND: Pre-exposure prophylaxis (PrEP) to reduce the risk of HIV was approved in 2012 and post-exposure prophylaxis (PEP) in 2005. We report the differences in awareness of PrEP/PEP and factors associated with awareness by examining 3 risk groups (men who have sex with men (MSM), people who inject drugs, and high-risk heterosexuals). METHODS: National HIV Behavioral Surveillance system data collected in New York City (NYC) and Long Island, NY in 2011-2013 were used...
July 1, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28596030/two-three-and-four-drug-regimens-for-hiv-post-exposure-prophylaxis-in-a-north-american-sexual-assault-victim-population
#19
Thara Kumar, Kari Sampsel, Ian G Stiell
BACKGROUND/OBJECTIVES: Due to perceived increased tolerability and compliance, and decreased cost, recent trends in practice are moving towards using fewer drugs for HIV post-exposure prophylaxis. However, there is limited literature to assess this is in the North American sexual assault victim population. METHODS: This retrospective before-and-after cohort study compared patients seen at a sexual assault care facility before and after the introduction of two and three-drug post-exposure prophylaxis regimens...
May 31, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28574968/evaluation-of-non-sexual-non-needlestick-non-occupational-hiv-post-exposure-prophylaxis-cases
#20
Sameer Rawal, Isaac I Bogoch
No abstract text is available yet for this article.
June 19, 2017: AIDS
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