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PURPOSE Street markets in antiretroviral medications for HIV have been documented, but sources of demand are not well understood. We report unexpected findings from qualitative research suggesting that some demand is for informal pre-exposure prophylaxis (PrEP). METHODS Focus groups with young men who have sex with men (N = 31) yielded information on their understanding and use of PrEP. RES...
The US Centers for Disease Control and Prevention (CDC) has issued guidance for the broad use of pre-exposure prophylaxis for HIV prevention—better known by the shorthand PrEP—which builds on interim guidance issued in 2012. Truvada is a single pill containing two commonly used HIV drugs, tenofovir and emtricitabine, and it is the only product that currently carries a label indication for PrEP,...
The Southern African HIV Clinicians Society published its first set of oral pre-exposure prophylaxis (PrEP) guidelines in June 2012 for men who have sex with men (MSM) who are at risk of HIV infection. With the flurry of data that has been generated in PrEP clinical research since the first guideline, it became evident that there was a need to revise and expand the PrEP guidelines with new evid...
Clinical effectiveness of pre-exposure prophylaxis (PrEP) for preventing HIV acquisition in men who have sex with men (MSM) at high HIV risk is established. A static decision analytical model was constructed to inform policy prioritisation in England around cost-effectiveness and budgetary impact of a PrEP programme covering 5,000 MSM during an initial high-risk period. National genitourinary m...
Membrane-associated glycoprotein neural cell adhesion molecule (NCAM) and its polysialylated form (PSA-NCAM) play an important role in brain plasticity by regulating cell-cell interactions. Here, we demonstrate that the cytosolic serine protease prolyl endopeptidase (PREP) is able to regulate NCAM and PSA-NCAM. Using a SH-SY5Y neuroblastoma cell line with stable overexpression of PREP, we found...
TO THE EDITOR—We read with interest the article by Abbas et al, in which they model the potential impact of preexposure prophylaxis (PrEP) on human immunodeficiency virus (HIV) transmission and drug resistance in South Africa [1]. They predict that rolling out Truvadabased PrEP will increase the transmission and prevalence of resistance. Notably, their results conflict with those from 2 previou...
IMPORTANCE Antiretroviral preexposure prophylaxis (PrEP), using tenofovir disoproxil fumarate (TDF) and combination emtricitabine/tenofovir disoproxil fumarate (FTC+TDF), is efficacious for prevention of human immunodeficiency virus (HIV) acquisition. PrEP could reduce periconception HIV risk, but the effect on pregnancy outcomes is not well defined. OBJECTIVE To assess pregnancy incidence an...
INTRODUCTION PrEP awareness and uptake among men who have sex with men (MSM) and transgender women (TG) in Thailand remains low. Finding ways to increase HIV testing and PrEP uptake among high-risk groups is a critical priority. This study evaluates the effect of a novel Adam's Love Online-to-Offline (O2O) model on PrEP and HIV testing uptake among Thai MSM and TG and identifies factors associa...
BACKGROUND HIV pre-exposure prophylaxis (PrEP), the use of antiretroviral drugs by uninfected individuals to prevent HIV infection, has demonstrated effectiveness in preventing acquisition in a high-risk population of men who have sex with men (MSM). Consequently, there is a need to understand if and how PrEP can be used cost-effectively to prevent HIV infection in such populations. METHODS A...
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