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HIV clinical trials

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https://www.readbyqxmd.com/read/28210462/accuracy-of-a-new-rapid-antigen-detection-test-for-pulmonary-tuberculosis
#1
Rasoul Aliannejad, Ahmadreza Bahrmand, Hamidreza Abtahi, Mahnaz Seifi, Enayat Safavi, Farid Abdolrahimi, Shahriyar Shahriaran
BACKGROUND AND OBJECTIVES: Tuberculosis (TB) is a major problem in the world. Treatment and control of TB needs detection of the Mycobacterium tuberculosis (MT) in the proper samples. While smear doesn't have enough sensitivity, culture and PCR are expensive, time consuming and unavailable in many centers. Recent development of a rapid TB antigen detection test (PrTBK) at Pasteur Institute of Iran could give a simple way for diagnosis of TB in about two hours. In this test the antigen-antibody complex will change color when gold conjugated mouse anti-rabbit antibody detects specific MT cell wall antigen in suspected samples...
August 2016: Iranian Journal of Microbiology
https://www.readbyqxmd.com/read/28206979/effect-of-gender-and-age-on-the-relative-bioavailability-of-doravirine-results-of-a-phase-i-trial-in-healthy-subjects
#2
Martin O Behm, Ka L Yee, Li Fan, Paul Fackler
BACKGROUND: Doravirine is a potent, once-daily, non-nucleoside reverse transcriptase inhibitor with a distinct resistance profile in Phase 3 development for the treatment of HIV-1. As doravirine may be administered to women and the elderly, we investigated the impact of gender and age in doravirine pharmacokinetics. METHODS: In this Phase 1, open-label, single-period, parallel-group investigation, doravirine 100 mg was administered to 36 healthy subjects in 3 groups: elderly men (n=12, 65-80 years), elderly women (n=12, 65-80 years), and young women (n=12, 18-50 years)...
February 16, 2017: Antiviral Therapy
https://www.readbyqxmd.com/read/28202759/relationship-between-measures-of-hiv-reactivation-and-the-decline-of-latent-reservoir-under-latency-reversing-agents
#3
Janka Petravic, Thomas A Rasmussen, Sharon R Lewin, Stephen J Kent, Miles P Davenport
Antiretroviral-free HIV remission requires substantial reduction of the number of latently infected cells and enhanced immune control of viremia. Latency-reversing agents (LRA) aim to eliminate latently infected cells by increasing the rate of reactivation of HIV transcription, which exposes these cells to killing by the immune system. As LRA are explored in clinical trials, it becomes increasingly important to assess the effect of increased HIV reactivation rate on the decline of latently infected cells, and estimate LRA efficacy in increasing virus reactivation...
February 15, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28202751/superiority-in-rhesus-macaques-of-targeting-hiv-1-env-gp140-to-cd40-versus-lox-1-in-combination-with-replication-competent-nyvac-kc-for-induction-of-env-specific-antibody-and-t-cell-responses
#4
Gerard Zurawski, Xiaoying Shen, Sandra Zurawski, Georgia D Tomaras, David C Montefiori, Mario Roederer, Guido Ferrari, Christine Lacabaratz, Peter Klucar, Zhiqing Wang, Kathryn E Foulds, Shing-Fen Kao, Xuesong Yu, Alicia Sato, Nicole L Yates, Celia LaBranche, Sherry Stanfield-Oakley, Karen Kibler, Bertram Jacobs, Andres Salazar, Steve Self, Jimmy Fulp, Raphael Gottardo, Lindsey Galmin, Deborah Weiss, Anthony Cristillo, Giuseppe Pantaleo, Yves Levy
We compared the HIV-1-specific immune responses generated by targeting HIV-1 envelope protein (Env gp140) to either CD40 or LOX-1, two endocytic receptors on dendritic cells (DCs), in Rhesus macaques primed with a poxvirus vector (NYVAC-KC) expressing Env gp140. The DC-targeting vaccines, humanized recombinant monoclonal antibodies fused to Env gp140, were administered as a boost with poly ICLC adjuvant either alone or co-administered with the NYVAC-KC vector. All the DC-targeting vaccine administrations with poly ICLC increased the low-level serum anti-Env IgG responses elicited by NYVAC-KC priming significantly more (up to P =0...
February 15, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28200045/single-dose-versus-3-doses-of-intramuscular-benzathine-penicillin-for-early-syphilis-in-hiv-a-randomized-clinical-trial
#5
Roberto Andrade, Maria C Rodriguez-Barradas, Kosuke Yasukawa, Erick Villarreal, Michael Ross, Jose A Serpa
No abstract text is available yet for this article.
February 14, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28183335/efficacy-of-vitamin-d3-supplementation-in-reducing-incidence-of-pulmonary-tuberculosis-and-mortality-among-hiv-infected-tanzanian-adults-initiating-antiretroviral-therapy-study-protocol-for-a-randomized-controlled-trial
#6
Christopher R Sudfeld, Ferdinand Mugusi, Said Aboud, Tumaini J Nagu, Molin Wang, Wafaie W Fawzi
BACKGROUND: HIV-infected adults initiating antiretroviral therapy (ART) in sub-Saharan Africa continue to experience high rates of morbidity and mortality during the initial months of treatment. Observational studies in high-income and resource-limited settings indicate that HIV-infected adults with low vitamin D levels may be at increased risk of mortality, HIV disease progression, and incidence of pulmonary tuberculosis (TB). As a result, vitamin D3 supplementation may improve survival and treatment outcomes for HIV-infected adults initiating ART...
February 10, 2017: Trials
https://www.readbyqxmd.com/read/28182706/-it-makes-you-feel-like-someone-cares-acceptability-of-a-financial-incentive-intervention-for-hiv-viral-suppression-in-the-hptn-065-tlc-plus-study
#7
Elizabeth Greene, Allison Pack, Jill Stanton, Victoria Shelus, Elizabeth E Tolley, Jamilah Taylor, Wafaa M El Sadr, Bernard M Branson, Jason Leider, Natella Rakhmanina, Theresa Gamble
BACKGROUND: HPTN 065 (TLC-Plus) evaluated the feasibility and effectiveness of providing quarterly $70 gift card financial incentives to HIV-infected patients on antiretroviral therapy (ART) to encourage ART adherence and viral suppression, and represents the largest study to-date of a financial incentive intervention for HIV viral suppression. A post-trial qualitative substudy was undertaken to examine acceptability of the financial incentives among those receiving and implementing the intervention...
2017: PloS One
https://www.readbyqxmd.com/read/28182611/use-of-daclatasvir-in-hcv-hiv-coinfected-patients-in-a-real-life-setting
#8
Stefano Bonora, Massimo Puoti
The burden of HIV and HCV coinfection is estimated to affect 5-7 million people worldwide, with approximately 15-30% of people with HIV coinfected with HCV. The first oral direct-acting antivirals have shown to improve the response in patients with HIV/HCV coinfection, and more recently, other direct-acting antivirals that target various stages of the HCV life cycle have been developed, among them daclatasvir. The objective of this article is to examine recent clinical studies investigating the efficacy and safety of daclatasvir in comparison with other antiretroviral drugs, focusing on its efficacy in the coinfected HIV patient and real-life data...
January 2017: AIDS Reviews
https://www.readbyqxmd.com/read/28181688/dental-implants-and-bone-augmentation-in-hiv-infected-patients-under-haart-case-report-and-review-of-the-literature
#9
Fábio Vidal, Rafael Vidal, Jeter Bochnia, Rodrigo Carvalho de Souza, Lucio Souza Gonçalves
The present study reviewed the literature regarding dental implants in HIV-infected patients and reports the long-term follow-up of three clinical cases of patients under HAART that received bone augmentation and dental implants. The first case presents a young patient with a large defect in the mandible, as a consequence of a longitudinal fracture, that was treated with guided bone regeneration (GBR) previously to implant placement. The second case reported is middle-aged man with a fractured upper lateral incisor treated with immediate placement and simultaneous GBR to repair the dehiscence due to the buccal bone resorption...
February 9, 2017: Special Care in Dentistry
https://www.readbyqxmd.com/read/28179536/hiv-aids-vaccine-candidates-based-on-replication-competent-recombinant-poxvirus-nyvac-c-kc-expressing-trimeric-gp140-and-gag-derived-vlps-or-lacking-the-viral-molecule-b19-that-inhibits-type-i-interferon-activate-relevant-hiv-1-specific-b-and-t-cell-immune
#10
Juan García-Arriaza, Beatriz Perdiguero, Jonathan L Heeney, Michael S Seaman, David C Montefiori, Nicole L Yates, Georgia D Tomaras, Guido Ferrari, Kathryn E Foulds, Mario Roederer, Steven G Self, Bhavesh Borate, Raphael Gottardo, Sanjay Phogat, Jim Tartaglia, Susan W Barnett, Brian Burke, Anthony D Cristillo, Deborah E Weiss, Carter Lee, Karen V Kibler, Bertram L Jacobs, Ralf Wagner, Song Ding, Giuseppe Pantaleo, Mariano Esteban
The non-replicating attenuated poxvirus vector NYVAC expressing clade C(CN54) HIV-1 Env(gp120), Gag-Pol-Nef antigens (NYVAC-C) showed in phase I clinical trials limited immunogenicity. To enhance the capacity of the NYVAC vector to trigger broad humoral responses and a more balanced activation of CD4(+) and CD8(+) T cells, here we compared the HIV-1-specific immunogenicity elicited in non-human primates immunized with two replicating NYVAC vectors that have been modified by the insertion of K1L and C7L vaccinia viral host-range genes and express clade C(ZM96) trimeric HIV-1 gp140 protein or a Gag(ZM96)-Pol-Nef(CN54) polyprotein as Gag-derived virus-like particles (termed NYVAC-C-KC)...
February 8, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28173897/exclusive-breast-feeding-promotion-among-hiv-infected-women-in-south-africa-an-information-motivation-behavioural-skills-model-based-pilot-intervention
#11
Emily L Tuthill, Lisa M Butler, Jennifer A Pellowski, Jacqueline M McGrath, Regina M Cusson, Robert K Gable, Jeffrey D Fisher
OBJECTIVE: Exclusive breast-feeding (EBF) provides optimal nutrition for infants and mothers. The practice of EBF while adhering to antiretroviral medication decreases the risk of mother-to-child transmission of HIV from approximately 25 % to less than 5 %. Thus the WHO recommends EBF for the first 6 months among HIV-infected women living in resource-limited settings; however, EBF rates remain low. In the present study our aim was to design and implement a pilot intervention promoting EBF among HIV-infected women...
February 8, 2017: Public Health Nutrition
https://www.readbyqxmd.com/read/28163164/anti-pd-1-pd-l1-therapy-for-infectious-diseases-learning-from-the-cancer-paradigm
#12
REVIEW
Martin Rao, Davide Valentini, Ernest Dodoo, Alimuddin Zumla, Markus Maeurer
OBJECTIVES: Immune checkpoint pathways regulate optimal host immune responses against transformed cells; induce immunological memory and limit tissue pathology. Conversely, aberrant immune checkpoint activity signifies poor prognosis in cancer and infectious diseases. Host-directed therapy (HDT) via immune checkpoint blockade has revolutionised cancer treatment with therapeutic implications for chronic infections, thus laying the foundation for this review. METHODS: We performed online literature searches via PubMed, PubMedCentral and Google using the keywords "immune checkpoint inhibition", "host-directed therapy", "T cell exhaustion", "cancer immunotherapy", "anti-PD-1 therapy", "anti-PD-L1 therapy", "chronic infections", "antigen-specific cells", "tuberculosis", "malaria", "viral infections", "human immunodeficiency virus", "hepatitis B virus", "hepatitis C virus", "cytomegalovirus" and "Epstein-Barr virus"...
February 2, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28160772/renal-safety-of-lithium-in-hiv-infected-patients-established-on-tenofovir-disoproxil-fumarate-containing-antiretroviral-therapy-analysis-from-a-randomized-placebo-controlled-trial
#13
Eric H Decloedt, Maia Lesosky, Gary Maartens, John A Joska
BACKGROUND: The prevalence of bipolar disorder in HIV-infected patients is higher than the general population. Lithium is the most effective mood stabiliser, while tenofovir disoproxil fumarate (TDF) is frequently used as part of combination antiretroviral therapy (ART). Both TDF and lithium are associated with renal tubular toxicity, which could be additive, or a pharmacokinetic interaction may occur at renal transporters with a decrease in TDF elimination. OBJECTIVE: We report on the change in estimated glomerular filtration rate (eGFR) using the modification of diet in renal disease formula in participants who received ART including TDF and were enrolled in a 24 week randomised trial of lithium versus placebo in patients with HIV-associated neurocognitive impairment...
February 4, 2017: AIDS Research and Therapy
https://www.readbyqxmd.com/read/28159362/fungicidal-efficacy-of-various-honeys-against-fluconazole-resistant-candida-species-isolated-from-hiv-patients-with-candidiasis
#14
H Shokri, A Sharifzadeh
OBJECTIVE: Honey is well known to possess a broad spectrum of activity against medically important organisms. The purpose of this study was to assess the antifungal activity of different honeys against 40 fluconazole (FLU) resistant Candida species, including Candida albicans (C. albicans), Candida glabrata, Candida krusei and Candida tropicalis. MATERIALS AND METHODS: Three honey samples were collected from northern (Mazandaran, A), southern (Hormozgan, B) and central (Lorestan, C) regions of Iran...
January 31, 2017: Journal de Mycologie Médicale
https://www.readbyqxmd.com/read/28157463/use-of-antiretrovirals-in-hiv-infected-children-in-a-tuberculosis-prevention-trial-impaact-p1041
#15
B Zeldow, S Kim, G McSherry, M F Cotton, P Jean-Philippe, A Violari, R Bobat, S Nachman, L M Mofenson, S A Madhi, C Mitchell
SETTING: International Maternal Pediatric Adolescent AIDS Clinical Trials (IMPAACT) P1041, a tuberculosis (TB) prevention trial conducted among children enrolled from 2004 to 2008 during South Africa's roll-out of combination antiretroviral therapy (ART). OBJECTIVE: To estimate TB incidence and mortality and the effect of ART. DESIGN: Children were pre-screened to exclude TB disease and exposure, actively screened 3-monthly for TB exposure and symptoms, and provided post-exposure isoniazid prophylaxis therapy (IPT)...
January 1, 2017: International Journal of Tuberculosis and Lung Disease
https://www.readbyqxmd.com/read/28154793/predicting-overall-vaccine-efficacy-in-a-new-setting-by-re-calibrating-baseline-covariate-and-intermediate-response-endpoint-effect-modifiers-of-type-specific-vaccine-efficacy
#16
Peter B Gilbert, Ying Huang
We develop a transport formula for predicting overall cumulative vaccine efficacy through time t (VE(t)) to prevent clinically significant infection with a genetically diverse pathogen (e.g., HIV infection) in a new setting for which a Phase III preventive vaccine efficacy trial that would directly estimate VE(t) has not yet been conducted. The formula integrates data from (1) a previous Phase III trial, (2) a Phase I/II immune response biomarker endpoint trial in the new setting where a follow-up Phase III trial is planned, (3) epidemiological data on background HIV infection incidence in the new setting; and (4) genomic epidemiological data on HIV sequence distributions in the previous and new settings...
December 2016: Epidemiologic Methods
https://www.readbyqxmd.com/read/28148802/recombinant-isfahan-virus-and-vesicular-stomatitis-virus-vaccine-vectors-provide-durable-multivalent-single-dose-protection-against-lethal-alphavirus-challenge
#17
Farooq Nasar, Demetrius Matassov, Robert L Seymour, Theresa Latham, Rodion V Gorchakov, Rebecca M Nowak, Grace Leal, Stefan Hamm, John H Eldridge, Robert B Tesh, David K Clarke, Scott C Weaver
: The demonstrated clinical efficacy of a recombinant vesicular stomatitis virus (rVSV) vaccine vector has stimulated the investigation of additional serologically distinct Vesiculovirus vectors as therapeutic and/or prophylactic vaccine vectors to combat emerging viral diseases. Amongst these viral threats are encephalitic alphaviruses, Venezuelan and eastern equine encephalitic viruses (VEEV, EEEV), which have demonstrated potential for natural disease outbreaks, yet no licensed vaccines are available in the event of an epidemic...
February 1, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28148791/replication-capacity-of-viruses-from-acute-infection-drives-hiv-1-disease-progression
#18
Philippe Selhorst, Carina Combrinck, Nonkululeko Ndabambi, Sherazaan D Ismail, Melissa-Rose Abrahams, Miguel Lacerda, Natasha Samsunder, Nigel Garrett, Quarraisha Abdool Karim, Salim S Abdool Karim, Carolyn Williamson
Viral genotype has been shown to play an important role in HIV pathogenesis following transmission. However, the viral phenotypic properties that contribute to disease progression remain unclear. Most studies have been limited to the evaluation of Gag function in the context of a recombinant virus backbone. Using this approach, important biological information may be lost making the evaluation of viruses obtained during acute infection, representing the transmitted virus, a more biologically relevant model...
February 1, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28147708/tolerability-of-central-nervous-system-symptoms-among-hiv-1-infected-efavirenz-users-analysis-of-patient-electronic-medical-record-data
#19
Lisa Rosenblatt, Michael S Broder, Tanya G K Bentley, Eunice Chang, Sheila R Reddy, Elya Papoyan, Joel Myers
Efavirenz (EFV) is a non-nucleoside reverse transcriptase inhibitor indicated for treatment of HIV-1 infection. Despite concern over EFV tolerability in clinical trials and practice, particularly related to central nervous system (CNS) adverse events, some observational studies have shown high rates of EFV continuation at one year and low rates of CNS-related EFV substitution. The objective of this study was to further examine the real-world rate of CNS-related EFV discontinuation in antiretroviral therapy naïve HIV-1 patients...
February 1, 2017: AIDS Care
https://www.readbyqxmd.com/read/28145220/the-clinical-effectiveness-of-individual-behaviour-change-interventions-to-reduce-risky-sexual-behaviour-after-a-negative-human-immunodeficiency-virus-test-in-men-who-have-sex-with-men-systematic-and-realist-reviews-and-intervention-development
#20
Paul Flowers, Olivia Wu, Karen Lorimer, Bipasha Ahmed, Hannah Hesselgreaves, Jennifer MacDonald, Sandi Cayless, Sharon Hutchinson, Lawrie Elliott, Ann Sullivan, Dan Clutterbuck, Michael Rayment, Lisa McDaid
BACKGROUND: Men who have sex with men (MSM) experience significant inequalities in health and well-being. They are the group in the UK at the highest risk of acquiring a human immunodeficiency virus (HIV) infection. Guidance relating to both HIV infection prevention, in general, and individual-level behaviour change interventions, in particular, is very limited. OBJECTIVES: To conduct an evidence synthesis of the clinical effectiveness of behaviour change interventions to reduce risky sexual behaviour among MSM after a negative HIV infection test...
January 2017: Health Technology Assessment: HTA
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