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https://www.readbyqxmd.com/read/28108701/willingness-to-use-and-have-sex-with-men-taking-hiv-pre-exposure-prophylaxis-prep-results-of-online-surveys-of-australian-gay-and-bisexual-men-2011-2015
#1
Martin Holt, Toby Lea, Heather-Marie Schmidt, Johann Kolstee, Jeanne Ellard, Dean Murphy, Hong-Ha Truong, John de Wit
OBJECTIVE: Assess willingness to use HIV pre-exposure prophylaxis (PrEP), support for others using it and willingness to have sex with partners using PrEP among Australian gay and bisexual men (GBM). METHODS: National, online cross-sectional surveys of Australian GBM were conducted in 2011, 2013 and 2015. Scales measuring support for and willingness to have sex with men using PrEP were developed in 2015 using factor analysis. Trends and associations with key measures were analysed using multivariate logistic regression...
January 20, 2017: Sexually Transmitted Infections
https://www.readbyqxmd.com/read/28107423/characterization-of-the-drug-resistance-profiles-of-patients-infected-with-crf07_bc-using-phenotypic-assay-and-ultra-deep-pyrosequencing
#2
Szu-Wei Huang, Wei-You Li, Wen-Hung Wang, Yu-Ting Lin, Chih-Hung Chou, Marcelo Chen, Hsien-Da Huang, Yen-Hsu Chen, Po-Liang Lu, Sheng-Fan Wang, Shinichi Oka, Yi-Ming Arthur Chen
The usefulness of ultra-deep pyrosequencing (UDPS) for the diagnosis of HIV-1 drug resistance (DR) remains to be determined. Previously, we reported an explosive outbreak of HIV-1 circulating recombinant form (CRF) 07_BC among injection drug users (IDUs) in Taiwan in 2004. The goal of this study was to characterize the DR of CRF07_BC strains using different assays including UDPS. Seven CRF07_BC isolates including 4 from early epidemic (collected in 2004-2005) and 3 from late epidemic (collected in 2008) were obtained from treatment-naïve patient's peripheral blood mononuclear cells...
2017: PloS One
https://www.readbyqxmd.com/read/28107391/recreational-drug-use-among-chinese-msm-and-transgender-individuals-results-from-a-national-online-cross-sectional-study
#3
Peizhen Zhao, Songyuan Tang, Cheng Wang, Ye Zhang, John Best, Thitikarn May Tangthanasup, Shujie Huang, Bin Yang, Chongyi Wei, Joseph D Tucker, Weiming Tang
BACKGROUND: Recreational drug use has increased considerably among Chinese men who have sex with men (MSM). The phenomenon has the potentially to increase HIV transmission among Chinese MSM. The aims of this study were: 1) to investigate the prevalence of recreational drug use among Chinese MSM, and 2) to explore the correlation between gay smartphone based sex-seeking applications (gay apps), HIV/STIs testing, group sex, commercial sex, sexual roles and poppers use among Chinese MSM...
2017: PloS One
https://www.readbyqxmd.com/read/28105988/national-molecular-surveillance-of-recently-acquired-hiv-infections-in-germany-2013-to-2014
#4
Andrea Hauser, Alexandra Hofmann, Kirsten Hanke, Viviane Bremer, Barbara Bartmeyer, Claudia Kuecherer, Norbert Bannert
To enable an up-to-date molecular analysis of human immunodeficiency virus (HIV) genotypes circulating in Germany we have established a surveillance system based on recently acquired HIV infections. New HIV infections are reported to the Robert Koch Institute as a statutory duty for anonymous notification. In 2013 and 2014, a dried serum spot (DSS) sample was received from 6,371 newly diagnosed HIV-cases; their analysis suggested that 1,797 samples originated from a recent infection. Of these, 809 were successfully genotyped in the pol region to identify transmitted drug resistance (TDR) mutations and to determine the HIV-1 subtype...
January 12, 2017: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
https://www.readbyqxmd.com/read/28104465/heroin-use-is-associated-with-lower-levels-of-restriction-factors-and-type-i-interferon-expression-and-facilitates-hiv-1-replication
#5
Jia-Wu Zhu, Feng-Liang Liu, Dan Mu, De-Yao Deng, Yong-Tang Zheng
Heroin use is associated with increased incidence of infectious diseases such as HIV-1 infection, as a result of immunosuppression to a certain extent. Host restriction factors are recently identified cellular proteins with potent antiviral activities. Whether heroin use impacts on the in vivo expression of restriction factors that result in facilitating HIV-1 replication is poorly understood. Here we recruited 432 intravenous drug users (IDUs) and 164 non-IDUs at high-risk behaviors. Based on serological tests, significantly higher prevalence of HIV-1 infection was observed among IDUs compared with non-IDUs...
January 16, 2017: Microbes and Infection
https://www.readbyqxmd.com/read/28103534/examining-the-link-between-cocaine-binging-and-individual-social-and-behavioral-factors-among-street-based-cocaine-users
#6
Élise Roy, Nelson Arruda, Didier Jutras-Aswad, Djamal Berbiche, Michel Perreault, Karine Bertrand, Magali Dufour, Julie Bruneau
AIMS: To estimate the prevalence of cocaine binging and examine associated factors, to characterize binge episodes and to study the relationship between cocaine binging and HIV and HCV risk behaviors among street-based cocaine users. METHODS: A prospective cohort study was conducted in Montréal, Canada. Interviewer-administered questionnaire were carried out at 3-month intervals. Cocaine binging was defined as using large quantities of cocaine, without stopping, over a limited period of time, until resources run out or until being physically incapable of consuming...
January 6, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/28103460/-pneumocystis-pneumonia-in-107-hiv-infected-patients-admitted-to-the-department-of-infectious-diseases-at-santa-maria-hospital-lisbon-2002-2013
#7
Vilma Grilo, Aida Pereira
INTRODUCTION: Pneumocystis jirovecii pneumonia remains one of the most common opportunistic illnesses in patients infected with the human immunodeficiency virus. It is currently the most reported AIDS-defining infection in Portugal. The aims of this study were to analyze the features of a human immunodeficiency virus /Pneumocystis jirovecii pneumonia coinfected population, to compare it with the current literature, and to evaluate comparatively subpopulations of patients based on the previous knowledge of the human immunodeficiency virus infection, Pneumocystis jirovecii pneumonia diagnostic method and discharge results...
October 2016: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/28095797/cocaine-crack-use-is-not-associated-with-fibrosis-progression-measured-by-ast-to-platelet-ratio-index-in-hiv-hcv-co-infected-patients-a-cohort-study
#8
Valérie Martel-Laferrière, Roy Nitulescu, Joseph Cox, Curtis Cooper, Mark Tyndall, Danielle Rouleau, Sharon Walmsley, Leo Wong, Marina B Klein
BACKGROUND: Cocaine and crack use has been associated with HIV and HCV infections, but its consequences on HCV progression have not been well established. We analyzed the impact of cocaine/crack use on liver fibrosis progression in a cohort of HIV-HCV co-infected patients. METHODS: A Canadian multicenter prospective cohort study followed 1238 HIV-HCV co-infected persons every 6 months between 2003 and 2013. Data were analyzed from 573 patients with positive HCV RNA, not on HCV treatment, without significant liver fibrosis (AST-to-Platelet Ratio Index (APRI) <1...
January 17, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28094553/burden-of-hiv-syphilis-and-hepatitis-b-and-c-among-inmates-in-a-prison-state-system-in-mexico
#9
Pablo F Belaunzaran-Zamudio, Juan Luis Mosqueda-Gómez, Alejandro Macías-Hernández, Sonia Rodríguez-Ramírez, Juan Sierra-Madero, Chris Beyrer
We studied the prevalence of HIV, syphilis, HBV and HCV infection and associated risk behaviors in the prison state system of Guanajuato, Mexico between September 2011 and February 2012. Blood samples were drawn from adult inmates in all State prisons agreeing to participate in this cross-sectional study. Data on risk behaviors was collected using self-administered questionnaires. Prevalence of HIV, syphilis, HBV and HCV infection was 0.6% (95%CI=0.2-1.1), 0.7% (95%CI=0.4-1.0), 0.4 (95%CI=0.04-0.74) and 4.8 (95%CI=3...
January 17, 2017: AIDS Research and Human Retroviruses
https://www.readbyqxmd.com/read/28091336/who-are-the-patients-that-default-tuberculosis-treatment-space-matters
#10
C Nunes, R Duarte, A M Veiga, B Taylor
The goals of this article are: (i) to understand how individual characteristics affect the likelihood of patients defaulting their pulmonary tuberculosis (PTB) treatment regimens; (ii) to quantify the predictive capacity of these risk factors; and (iii) to quantify and map spatial variation in the risk of defaulting. We used logistic regression models and generalized additive models with a spatial component to determine the odds of default across continental Portugal. We focused on new PTB cases, diagnosed between 2000 and 2013, and included some individual information (sex, age, residence area, alcohol abuse, intravenous drug use, homelessness, HIV, imprisonment status)...
January 16, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28079818/factors-associated-with-syphilis-incidence-in-the-hiv-infected-in-the-era-of-highly-active-antiretrovirals
#11
Mohaned Shilaih, Alex Marzel, Dominique L Braun, Alexandra U Scherrer, Helen Kovari, Jim Young, Alexandra Calmy, Katharine Darling, Manuel Battegay, Matthias Hoffmann, Enos Bernasconi, Maria C Thurnheer, Huldrych F Günthard, Roger D Kouyos
After several years of steady decline, syphilis is reemerging globally as a public health hazard, especially among people living with human immunodeficiency virus (HIV). Syphilis resurgence is observed mainly in men who have sex with men (MSM), yet other transmission groups are affected too. In this manuscript, we study the factors associated with syphilis incidence in the Swiss HIV cohort study in the era of highly effective antiretrovirals. Using parametric interval censored models with fixed and time-varying covariates, we studied the immunological, behavioral, and treatment-related elements associated with syphilis incidence in 3 transmission groups: MSM, heterosexuals, and intravenous drug users...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28075146/five-near-full-length-hepatitis-c-virus-sequences-were-isolated-from-hiv-coinfected-idus-of-china
#12
Fan Li, Yi Feng, Na Ni, Jing Hu, Yuhua Ruan, Yiming Shao, Liying Ma
HIV and HCV share transmission routes including contaminated blood transfusion, sexual intercourse, and needle-sharing in injection drug users (IDUs). We obtained five near full-length genome sequences (NFLGs) of HCV isolated from five HIV-1 coinfected IDUs in Sichuan and Xinjiang province, China. By conducting reconstruction of neighbor-joining (NJ) phylogenetic tree, our results revealed that the five isolates are different genotypes (1b, 3a, 6a and 6n). The amino acid substitutions(170I) in XJN0021 related to resistant to protease inhibitors (Grazoprevir) were also identified...
January 11, 2017: AIDS Research and Human Retroviruses
https://www.readbyqxmd.com/read/28073289/generation-and-characterization-of-hiv-1-transmitted-and-founder-virus-consensus-sequence-from-intravenous-drug-users-in-xinjiang-china
#13
Fan Li, Liying Ma, Yi Feng, Jing Hu, Na Ni, Yuhua Ruan, Yiming Shao
HIV-1 transmission in intravenous drug users (IDUs) have been characterized by high genetic multiplicity, suggests a greater challenge for HIV-1 infection blocking. We investigated a total of 749 sequences of full length gp160 gene obtained by single genome sequencing(SGS) from 22 HIV-1 early infected IDUs in Xinjiang province, northwest China, and generated a transmitted and founder virus (T/F virus) consensus sequence(IDU.CON). All the T/F virus was classified as subtype CRF07_BC, and predicted to be CCR5-tropic virus...
January 10, 2017: AIDS Research and Human Retroviruses
https://www.readbyqxmd.com/read/28068781/complex-subtype-diversity-of-hiv-1-among-drug-users-in-major-kenyan-cities
#14
Kamini Gounder, Micah Oyaro, Nagavelli Padayachi, Thando Mbali Zulu, Tulio de Oliveira, John Wylie, Thumbi Ndung'u
Drug users are increasingly recognized as a key population driving HIV spread in sub-Saharan Africa. To determine HIV-1 subtypes circulating in this population group and explore possible geographic differences, we analyzed HIV-1 sequences among drug users from Nairobi, Mombasa and Kisumu in Kenya. We sequenced gag and env from 55 drug users. Subtype analysis from 220 gag clonal sequences from 54/55 participants (median=4/participant) showed that 44.4% were A, 16.7% were C, 3.7% were D and 35.2% were intersubtype recombinants...
January 9, 2017: AIDS Research and Human Retroviruses
https://www.readbyqxmd.com/read/28058567/sexual-risk-and-transmission-behaviors-partnerships-and-settings-among-young-adult-nonmedical-opioid-users-in-new-york-city
#15
S R Friedman, P Mateu-Gelabert, K V Ruggles, E Goodbody, C Syckes, L Jessell, Jennifer Teubl, H Guarino
Nonmedical prescription opioid use has become widespread. It can lead to heroin use, drug injection and HIV infection. We describe young adult opioid users' sexual risk behavior, partnerships and settings. 464 youth aged 18-29 who reported opioid use in the past 30 days were recruited using Respondent-Driven Sampling. Eligible participants completed a computer-assisted, interviewer-administered risk questionnaire and were tested for STIs and HIV. Participants (33% female; 66% white non-Hispanic) almost all had sex in the prior 90 days; 42% reported more than one partner...
January 5, 2017: AIDS and Behavior
https://www.readbyqxmd.com/read/28057195/the-persistent-problem-of-late-hiv-diagnosis-in-people-with-aids-a-population-based-study-in-italy-1999-2013
#16
M Taborelli, S Virdone, L Camoni, V Regine, A Zucchetto, L Frova, E Grande, S Boros, L Dal Maso, P De Paoli, D Serraino, B Suligoi
OBJECTIVES: Despite the wide accessibility to free human immunodeficiency virus (HIV) testing and combined antiretroviral therapy (cART), late HIV diagnosis remains common with severe consequences at individual and population level. This study aimed to describe trends of late HIV testing and to identify their determinants in the late cART era in Italy. STUDY DESIGN: We conducted a population-based, nationwide analysis of the Italian National AIDS Registry data (AIDS - acquired immune deficiency syndrome) for the years 1999-2013...
January 2017: Public Health
https://www.readbyqxmd.com/read/28057079/prevalence-and-factors-associated-with-use-of-khat-a-survey-of-patients-entering-hiv-treatment-programs-in-ethiopia
#17
Alan R Lifson, Sale Workneh, Tibebe Shenie, Desalegn Admassu Ayana, Zenebe Melaku, Lemlem Bezabih, Hiwot Tekle Waktola, Behailu Dagne, Rose Hilk, Ken C Winters, Lucy Slater
BACKGROUND: Khat, a plant native to East Africa, has psychoactive constituents similar to amphetamine. Chronic khat use can lead to psychological dependence with multiple physical and mental health harms, complicating clinical management of people living with HIV. In two Ethiopian cities where khat is common, we evaluated prevalence and correlates of khat use among patients new to HIV care. METHODS: During 2013-2014, we surveyed 322 patients recently enrolled in HIV clinics in Dire Dawa and Harar about khat use, demographics, smoking and alcohol use, clinical illness, food insecurity, and social support...
January 6, 2017: Addiction Science & Clinical Practice
https://www.readbyqxmd.com/read/28056990/stigmatization-among-methadone-maintenance-treatment-patients-in-mountainous-areas-in-northern-vietnam
#18
Hung Van Nguyen, Huong Lan Thi Nguyen, Hue Thi Mai, Hai Quan Le, Bach Xuan Tran, Canh Dinh Hoang, Huong Thi Le, Cuong Tat Nguyen, Tho Dinh Tran, Carl A Latkin, Thuc Minh Thi Vu
BACKGROUND: Stigma and discrimination may adversely affect the benefits of methadone maintenance treatment (MMT) for drug users, especially in disadvantaged settings. This study assessed stigma and discrimination against MMT patients in the mountainous and rural areas in Vietnam and explored their associated factors to inform implementation strategies. METHODS: We interviewed 241 MMT patients in two clinics: one in Tuyen Quang Province's inner city and the other in Son Duong District, to assess stigma and discrimination that patients perceived and experienced...
January 6, 2017: Harm Reduction Journal
https://www.readbyqxmd.com/read/28042165/coupled-gel-spreading-and-diffusive-transport-models-describing-microbicidal-drug-delivery
#19
Claire Funke, Kelsey MacMillan, Anthony Ham, Andrew J Szeri, David F Katz
Gels are a drug delivery platform that is being evaluated for application of active pharmaceutical ingredients, termed microbicides, that act topically against vaginal and rectal mucosal infection by sexually transmitted HIV. Despite success in one Phase IIb trial of a vaginal gel delivering tenofovir, problems of user adherence to designed gel application scheduling have compromised results in two other trials. The microbicides field is responding to this dilemma by expanding behavioral analysis of the determinants of adherence while simultaneously improving the pharmacological, biochemical, and biophysical analyses of the determinants of microbicide drug delivery...
October 2, 2016: Chemical Engineering Science
https://www.readbyqxmd.com/read/28025735/examining-the-acceptability-of-mhealth-technology-in-hiv-prevention-among-high-risk-drug-users-in-treatment
#20
Roman Shrestha, Tania B Huedo-Medina, Frederick L Altice, Archana Krishnan, Michael Copenhaver
Despite promising trends of the efficacy of mobile health (mHealth) based strategies to a broad range of health conditions, very few if any studies have been done in terms of the examining the use of mHealth in HIV prevention efforts among people who use drugs in treatment. Thus, the goal of this study was to gain insight into the real-world acceptance of mHealth approaches among high-risk people who use drugs in treatment. A convenience sample of 400 HIV-negative drug users, who reported drug- and/or sex-related risk behaviors, were recruited from a methadone clinic in New Haven, Connecticut...
December 26, 2016: AIDS and Behavior
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