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https://www.readbyqxmd.com/read/28727795/effect-of-therapy-switch-on-time-to-second-line-antiretroviral-treatment-failure-in-hiv-infected-patients
#1
Amanda Häggblom, Michele Santacatterina, Ujjwal Neogi, Magnus Gisslen, Bo Hejdeman, Leo Flamholc, Anders Sönnerborg
BACKGROUND: Switch from first line antiretroviral therapy (ART) to second-line ART is common in clinical practice. However, there is limited knowledge of to which extent different reason for therapy switch are associated with differences in long-term consequences and sustainability of the second line ART. MATERIAL AND METHODS: Data from 869 patients with 14601 clinical visits between 1999-2014 were derived from the national cohort database. Reason for therapy switch and viral load (VL) levels at first-line ART failure were compared with regard to outcome of second line ART...
2017: PloS One
https://www.readbyqxmd.com/read/28726041/alcohol-use-hiv-treatment-adherence-and-sexual-risk-among-people-with-a-history-of-injecting-drug-use-in-vietnam
#2
Li Li, Sitong Luo, Chiao-Wen Lan, Chunqing Lin, Le Anh Tuan, Nan Feng, Nguyen Anh Tuan
Alcohol use can limit the effectiveness of antiretroviral therapy (ART) for people living with HIV (PLH) who have a history of injecting drug use. This study described the patterns of alcohol use among PLH with a history of injecting drug use in Vietnam and examined the relationships between alcohol use, adherence to ART, and sexual risks. We utilized cross-sectional data of 109 PLH on ART collected from a randomized controlled intervention trial in Vietnam. Approximately 30 and 46% of the participants were frequent and occasional drinkers, respectively...
July 19, 2017: AIDS and Behavior
https://www.readbyqxmd.com/read/28725225/antiviral-functions-of-human-immunodeficiency-virus-type-1-hiv-1-specific-igg-antibodies-effects-of-antiretroviral-therapy-and-implications-for-therapeutic-hiv-1-vaccine-design
#3
REVIEW
Martyn A French, M Christian Tjiam, Laila N Abudulai, Sonia Fernandez
Contemporary antiretroviral therapy (ART) is effective and tolerable for long periods of time but cannot eradicate human immunodeficiency virus type 1 (HIV-1) infection by either elimination of viral reservoirs or enhancement of HIV-1-specific immune responses. Boosting "protective" HIV-1-specific immune responses by active or passive immunization will therefore be necessary to control or eradicate HIV-1 infection and is currently the topic of intense investigation. Recently reported studies conducted in HIV patients and non-human primate (NHP) models of HIV-1 infection suggest that HIV-1-specific IgG antibody responses may contribute to the control of HIV-1 infection...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28725145/hiv-pharmaceutical-care-in-primary-healthcare-improvement-in-cd4-count-and-reduction-in-drug-related-problems
#4
C G R C Molino, Renata Cavalcanti Carnevale, Aline Teotonio Rodrigues, Patricia Moriel, Priscila Gava Mazzola
Background: Highly active antiretroviral therapy (HAART) is complex and many factors contribute to a patient's response to initial therapy including adherence, drug effectiveness, and tolerance. Close HAART follow-up is needed, particularly when there are concurrent therapies such as prophylactic antibiotics and medications for the treatment of comorbidities. Objective: To assess the effectiveness of pharmacist intervention in reducing drug related problems in HIV/AIDS outpatients (intervention group) and in improving clinical parameters in the intervention group compared to the control group...
July 2017: Saudi Pharmaceutical Journal: SPJ: the Official Publication of the Saudi Pharmaceutical Society
https://www.readbyqxmd.com/read/28723871/optimal-anti-retroviral-prophylaxis-in-infants-at-high-risk-of-acquiring-human-immunodeficiency-virus-a-systematic-review
#5
Sara Beste, Shaffiq Essajee, George Siberry, Alisse Hannaford, Jasmeen Dara, Nandita Sugandhi, Martina Penazzato
INTRODUCTION: The risk of perinatal HIV infection can be dramatically reduced through maternal antiretroviral therapy (ART) and infant antiretroviral (ARV) postnatal prophylaxis. The 2013 WHO guidelines recommended four to six weeks of nevirapine or zidovudine as post-natal prophylaxis, with possible extension to 12 weeks for high-risk breastfed infants. A systematic review was undertaken to determine if there is evidence for the WHO to recommend enhanced or extended prophylaxis for high-risk infants...
July 18, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28723708/subclinical-herpesvirus-shedding-among-hiv-1-infected-men-on-antiretroviral-therapy
#6
Arcadio Agudelo-Hernandez, Yue Chen, Arlene Bullotta, William G Buchanan, Cynthia R Klamar-Blain, Luann Borowski, Sharon A Riddler, Charles R Rinaldo, Bernard Jc Macatangay
DESIGN: We evaluated the subclinical shedding of 6 different herpesviruses in antiretroviral drug-treated HIV(+) men who have sex with men (MSM), and determined how this is associated with markers of inflammation and immune activation. METHODS: We obtained blood, semen, throat washing, urine, and stool from 15 antiretroviral-treated HIV-1-infected MSM with CD4 T cell reconstitution, and 12 age-matched HIV(-) MSM from the Multicenter AIDS Cohort Study at 4 timepoints over 24 weeks to measure DNA levels of cytomegalovirus (CMV), Epstein-Barr virus (EBV), herpes simplex virus 1 and 2, human herpesvirus 6 (HHV6), and HHV8...
July 18, 2017: AIDS
https://www.readbyqxmd.com/read/28722244/risk-of-liver-decompensation-with-cumulative-use-of-mitochondrial-toxic-nucleoside-analogues-in-hiv-hepatitis-c-virus-coinfection
#7
Vincent Lo Re Rd, Bret Zeldow, Michael J Kallan, Janet P Tate, Dena M Carbonari, Sean Hennessy, Jay R Kostman, Joseph K Lim, Matthew Bidwell Goetz, Robert Gross, Amy C Justice, Jason A Roy
PURPOSE: Among patients dually infected with human immunodeficiency virus (HIV) and chronic hepatitis C virus (HCV), use of antiretroviral therapy (ART) containing mitochondrial toxic nucleoside reverse transcriptase inhibitors (mtNRTIs) might induce chronic hepatic injury, which could accelerate HCV-associated liver fibrosis and increase the risk of hepatic decompensation and death. METHODS: We conducted a cohort study among 1747 HIV/HCV patients initiating NRTI-containing ART within the Veterans Aging Cohort Study (2002-2009) to determine if cumulative mtNRTI use increased the risk of hepatic decompensation and death among HIV-/HCV-coinfected patients...
July 19, 2017: Pharmacoepidemiology and Drug Safety
https://www.readbyqxmd.com/read/28721963/pediatric-hiv-in-india-current-scenario-and-the-way-forward
#8
REVIEW
Anita Nath
In India, the prevention of parent-to-child transmission and antiretroviral therapy services for HIV-infected mothers and children have been rapidly scaled up over the recent years. Despite these advances, a large number of HIV-infected children are born in every year. A thorough literature review has been done by retrieving related studies (published from the year 2000 onward); using a Medline search and by extracting recent findings from the official websites of the National AIDS Control Organization, UNAIDS, UNICEF, and World Health Organization...
April 2017: Indian Journal of Public Health
https://www.readbyqxmd.com/read/28719295/regional-differences-in-the-prevalence-of-major-opportunistic-infections-among-antiretroviral-na%C3%A3-ve-human-immunodeficiency-virus-patients-in-japan-northern-thailand-northern-vietnam-and-the-philippines
#9
Louie Mar A Gangcuangco, Ikumi Sawada, Naho Tsuchiya, Cuong D Do, Thanh Thuy T Pham, Archawin Rojanawiwat, Marissa Alejandria, Katerina Leyritana, Yoshiyuki Yokomaku, Panita Pathipvanich, Koya Ariyoshi
To identify regional differences in the distribution of opportunistic infections (OIs) among human immunodeficiency virus (HIV)-infected patients in Asia, the medical records of antiretroviral therapy (ART)-naïve patients who attended the following tertiary hospitals from 2003 to 2011 were reviewed: Nagoya Medical Center (NMC, Nagoya, Japan), Lampang Hospital (LPH, Lampang, northern Thailand), Bach Mai Hospital (BMH, Hanoi, northern Vietnam), and Philippine General Hospital (PGH, Manila, Philippines). Logistic regression analyses were performed to identify associations between country of origin and risk of major OIs...
July 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28719255/patient-reported-adverse-effects-associated-with-combination-antiretroviral-therapy-and-coadministered-enzyme-inducing-antiepileptic-drugs
#10
Melissa A Elafros, Gretchen L Birbeck, Joseph C Gardiner, Omar K Siddiqi, Izukanji Sikazwe, Nigel Paneth, Christopher M Bositis, Jason F Okulicz
AbstractConcurrent treatment with combination antiretroviral therapy (cART) and an enzyme-inducing antiepileptic drug (EI-AED) is common in resource-limited settings; however, the incidence and impact of adverse effects in cotreated patients is largely unknown. Symptoms of adverse effects were assessed by both spontaneous report and checklist for 145 human immunodeficiency virus (HIV)-infected Zambian adults initiating various treatment combinations, such as cART with an EI-AED (N = 20), cART only (N = 43), or neither drug (untreated; N = 82)...
June 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28718515/impact-of-single-nucleotide-polymorphisms-on-plasma-concentrations-of-efavirenz-and-lopinavir-ritonavir-in-chinese-children-infected-with-the-human-immunodeficiency-virus
#11
Xia Liu, Qing Ma, Yan Zhao, Weiwei Mu, Xin Sun, Yuewu Cheng, Huiping Zhang, Ye Ma, Fujie Zhang
Single-nucleotide polymorphisms (SNPs) in the genes that encode the cytochrome P450 (CYP) drug metabolizing enzymes and drug transporters have been reported to influence antiretroviral drug pharmacokinetics. While primarily metabolized by CYP2B6 and -3A, efavirenz (EFV) and lopinavir/ritonavir (LPV/r) are substrates of P-glycoprotein and solute carrier organic (SLCO) anion transporter, respectively OBJECTIVE: To investigate the association between SNPs and efavirenz (EFV) or lopinavir/ritonavir (LPV/r) concentrations in Chinese children infected with the human immunodeficiency virus (HIV) METHODS: Genotyping was performed on CYP2B6 516G→T, -1459C→T, and -983T→C, ABCB1 3435C→T, and SLCO1B1 521T→C in 229 HIV-infected Chinese pediatric patients with an age range from 4...
July 17, 2017: Pharmacotherapy
https://www.readbyqxmd.com/read/28717981/effects-of-counselling-on-adherence-to-antiretroviral-treatment-among-people-with-hiv-in-estonia-a-randomized-controlled-trial
#12
Anneli Uusküla, Kaja-Triin Laisaar, Mait Raag, Liis Lemsalu, Liilia Lõhmus, Kristi Rüütel, K Rivet Amico
To assess the efficacy of an education- and strengths-based counselling programme to promote antiretroviral therapy (ART) adherence in a cohort of HIV-infected individuals with high prevalence of injection drug use in Estonia. Parallel-group randomized (1:1) controlled trial (RCT). Adults receiving ART in two clinics were followed for 12 months. The trial compared: (i) an intervention (three sessions) incorporated into routine clinic visits, providing education about HIV, ART, the role of adherence, and tailoring regimen to daily routines using problem-solving skills to address adherence barriers versus (ii) usual care (control)...
July 17, 2017: AIDS and Behavior
https://www.readbyqxmd.com/read/28715978/the-role-of-efflux-pumps-in-tuberculosis-treatment-and-their-promise-as-a-target-in-drug-development-unraveling-the-black-box
#13
Lindsey H M Te Brake, Gerjo J de Knegt, Jurriaan E de Steenwinkel, Teunis J P van Dam, David M Burger, Frans G M Russel, Reinout van Crevel, Jan B Koenderink, Rob E Aarnoutse
Insight into drug transport mechanisms is highly relevant to the efficacious treatment of tuberculosis (TB). Major problems in TB treatment are related to the transport of antituberculosis (anti-TB) drugs across human and mycobacterial membranes, affecting the concentrations of these drugs systemically and locally. Firstly, transporters located in the intestines, liver, and kidneys all determine the pharmacokinetics and pharmacodynamics of anti-TB drugs, with a high risk of drug-drug interactions in the setting of concurrent use of antimycobacterial, antiretroviral, and antidiabetic agents...
July 17, 2017: Annual Review of Pharmacology and Toxicology
https://www.readbyqxmd.com/read/28715160/meeting-the-who-90-target-antiretroviral-treatment-efficacy-in-poland-is-associated-with-baseline-clinical-patient-characteristics
#14
Milosz Parczewski, Ewa Siwak, Magdalena Leszczyszyn-Pynka, Iwona Cielniak, Ewa Burkacka, Piotr Pulik, Adam Witor, Karolina Muller, Ewelina Zasik, Anna Grzeszczuk, Maria Jankowska, Małgorzata Lemańska, Anita Olczak, Edyta Grąbczewska, Aleksandra Szymczak, Jacek Gąsiorowski, Bartosz Szetela, Monika Bociąga-Jasik, Paweł Skwara, Magdalena Witak-Jędra, Elżbieta Jabłonowska, Kamila Wójcik-Cichy, Juliusz Kamerys, Małgorzata Janczarek, Dagny Krankowska, Tomasz Mikuła, Katarzyna Kozieł, Dariusz Bielec, Justyna Stempkowska, Aleksandra Kocbach, Wiesława Błudzin, Andrzej Horban
INTRODUCTION: Modern combined antiretroviral therapies (cART) allow to effectively suppress HIV-1 viral load, with the 90% virologic success rate, meeting the WHO target in most clinical settings. The aim of this study was to analyse antiretroviral treatment efficacy in Poland and to identify variables associated with virologic suppression. M: ethods Cross-sectional data on 5152 (56.92% of the countrywide treated at the time-point of analysis) patients on cART for more than six months with at least one HIV-RNA measurement in 2016 were collected from 14 Polish centres...
July 17, 2017: Journal of the International AIDS Society
https://www.readbyqxmd.com/read/28712845/dual-inhibitors-of-the-human-blood-brain-barrier-drug-efflux-transporters-p-glycoprotein-and-abcg2-based-on-the-antiviral-azidothymidine
#15
Hilda A Namanja-Magliano, Kelsey Bohn, Neha Agrawal, Meghan E Willoughby, Christine A Hrycyna, Jean Chmielewski
The brain provides a sanctuary site for HIV due, in part, to poor penetration of antiretroviral agents at the blood-brain barrier. This lack of penetration is partially attributed to drug efflux transporters such as P-glycoprotein (P-gp) and ABCG2. Inhibition of both ABCG2 and P-gp is critical for enhancing drug accumulation into the brain. In this work, we have developed a class of homodimers based on the HIV reverse transcriptase inhibitor azidothymidine (AZT) that effectively inhibits P-gp and ABCG2. These agents block transporter mediated efflux of the P-gp substrate calcein-AM and the ABCG2 substrate mitoxantrone...
July 6, 2017: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/28712302/overcoming-the-hydrolytic-lability-of-a-reaction-intermediate-in-production-of-protein-drug-conjugates-conjugation-of-an-acyclic-nucleoside-phosphonate-to-a-model-carrier-protein
#16
Shengsheng Xu, Igor A Kaltashov
Acquired immunodeficiency syndrome (AIDS) remains one of the most serious public health challenges and a significant cause of mortality for certain populations. Despite the large number of antiretrovirals developed in the past two decades, the inability of small molecule therapeutics to target HIV reservoirs directly creates a significant obstacle to their effective utilization. Indeed, achieving the desired therapeutic outcome in the absence of an effective means of targeted delivery must rely on dosage escalation, which frequently causes severe toxicity...
July 17, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28710808/the-application-of-physiologically-based-pharmacokinetic-modelling-to-assess-the-impact-of-antiretroviral-mediated-drug-drug-interactions-on-piperaquine-antimalarial-therapy-during-pregnancy
#17
Olusola Olafuyi, Michael Coleman, Raj K S Badhan
Antimalarial therapy during pregnancy poses important safety concerns due to potential teratogenicity and maternal physiological and biochemical changes during gestation. Piperaquine (PQ) has gained interest for use in pregnancy in response to increasing resistance towards sulfadoxine-pyrimethamine in sub-Saharan Africa. Co-infection with HIV is common in many developing countries, however, little is known about the impact of anti-retroviral (ARV) mediated drug-drug interaction (DDI) on PQ pharmacokinetics during pregnancy...
July 14, 2017: Biopharmaceutics & Drug Disposition
https://www.readbyqxmd.com/read/28708847/attitudes-and-perceptions-towards-novel-objective-measures-of-arv-based-vaginal-ring-use-results-from-a-global-stakeholder-survey
#18
Randy M Stalter, Jenae Tharaldson, Derek H Owen, Eunice Okumu, Thomas Moench, Natasha Mack, Elizabeth E Tolley, Kathleen M MacQueen
Results of recent microbicide and pre-exposure prophylaxis clinical trials have shown adherence to be a significant challenge with new HIV prevention technologies. As the vaginal ring containing dapivirine moves into two open label follow-on studies (HOPE/MTN-025 and DREAM) and other antiretroviral-based and multi-purpose prevention technology ring products advance through the development pipeline, there is a need for more accurate and reliable measures of adherence to microbicide ring products. We previously conducted a comprehensive landscape analysis to identify new technologies that could be applied to adherence measurement of vaginal rings containing antiretrovirals...
2017: PloS One
https://www.readbyqxmd.com/read/28705213/the-therapeutic-landscape-of-hiv-1-via-genome-editing
#19
REVIEW
Alexander Kwarteng, Samuel Terkper Ahuno, Godwin Kwakye-Nuako
Current treatment for HIV-1 largely relies on chemotherapy through the administration of antiretroviral drugs. While the search for anti-HIV-1 vaccine remain elusive, the use of highly active antiretroviral therapies (HAART) have been far-reaching and has changed HIV-1 into a manageable chronic infection. There is compelling evidence, including several side-effects of ARTs, suggesting that eradication of HIV-1 cannot depend solely on antiretrovirals. Gene therapy, an expanding treatment strategy, using RNA interference (RNAi) and programmable nucleases such as meganuclease, zinc finger nuclease (ZFN), transcription activator-like effector nuclease (TALEN), and clustered regularly interspaced short palindromic repeats/CRISPR-associated proteins (CRISPR-Cas9) are transforming the therapeutic landscape of HIV-1...
July 14, 2017: AIDS Research and Therapy
https://www.readbyqxmd.com/read/28705153/a-randomized-clinical-pharmacokinetic-trial-of-tenofovir-in-blood-plasma-and-urine-in-adults-with-perfect-moderate-and-low-prep-adherence-the-target-study
#20
Tim R Cressey, Oraphan Siriprakaisil, Virat Klinbuayaem, Justice Quame-Amaglo, Rachel W Kubiak, Pra-Ornsuda Sukrakanchana, Kanchana Than-In-At, Jared Baeten, Wasna Sirirungsi, Ratchada Cressey, Paul K Drain
BACKGROUND: Tenofovir disoproxil fumarate (TDF) is key component of pre-exposure prophylaxis (PrEP) and antiretroviral therapy (ART) for HIV, but existing tools to monitor drug adherence are often inaccurate. Detection of tenofovir (TFV) in accessible biological samples, such as fingerprick blood, urine or oral fluid samples could be a novel objective measure of recent TDF adherence. To measure TFV concentrations associated with different levels of TDF adherence, we designed a randomized clinical trial to assess the blood, urine and oral fluid concentrations of TFV in adults with perfect, moderate and low drug adherence...
July 14, 2017: BMC Infectious Diseases
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