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https://www.readbyqxmd.com/read/29785584/interferon-free-therapy-in-hepatitis-c-virus-hcv-monoinfected-and-hcv-hiv-coinfected-patients-effect-on-cognitive-function-fatigue-and-mental-health
#1
Felix Kleefeld, Sophie Heller, Patrick Ingiliz, Heiko Jessen, Anders Petersen, Ute Kopp, Antje Kraft, Katrin Hahn
The efficacy and safety of interferon-free therapies for hepatitis C virus (HCV) infection have been reported. Considering the accumulating evidence for a direct central nervous system infection by HCV, we aim to evaluate the effect of direct acting antivirals (DAA) therapy on cognitive function in HCV patients. We conducted a longitudinal analysis of the cognitive performance of 22 patients (8 HCV+, 14 HCV+/HIV+) who completed neuropsychological testing at baseline and at week 12 after DAA therapy. In 20 patients, we analyzed specific attention parameters derived from an experimental testing based on the Theory of Visual Attention (TVA)...
May 21, 2018: Journal of Neurovirology
https://www.readbyqxmd.com/read/29785582/altered-cerebro-cerebellum-resting-state-functional-connectivity-in-hiv-infected-male-patients
#2
Huijuan Wang, Ruili Li, Yawen Zhou, Yanming Wang, Jin Cui, Benedictor Alexander Nguchu, Bensheng Qiu, Xiaoxiao Wang, Hongjun Li
In addition to the role of planning and executing movement, the cerebellum greatly contributes to cognitive process. Numerous studies have reported structural and functional abnormalities in the cerebellum for HIV-infected patients, but little is known about the altered functional connectivity of particular cerebellar subregions and the cerebrum. Therefore, this study aimed to explore the resting-state functional connectivity (rsFC) changes of the cerebellum and further analyze the relationship between the rsFC changes and the neuropsychological evaluation...
May 21, 2018: Journal of Neurovirology
https://www.readbyqxmd.com/read/29781885/improved-cognitive-performance-and-reduced-monocyte-activation-in-virally-suppressed-chronic-hiv-following-dual-ccr2-and-ccr5-antagonism
#3
Michelle L D'Antoni, Robert H Paul, Brooks I Mitchell, Lindsay Kohorn, Laurent Fischer, Eric Lefebvre, Star Seyedkazemi, Beau K Nakamoto, Maegen Walker, Kalpana J Kallianpur, Debra Ogata-Arakaki, Lishomwa C Ndhlovu, Cecilia Shikuma
OBJECTIVE: To evaluate changes in neuropsychological (NP) performance and in plasma and cell surface markers of peripheral monocyte activation/migration following treatment with cenicriviroc (CVC), a dual C-C chemokine receptor type 2 (CCR2) and type 5 (CCR5) antagonist, in treatment-experienced, HIV-infected individuals. SETTING: Single-arm, 24-week, open-label clinical trial. METHODS: HIV-infected individuals on antiretroviral therapy (ART) >1 year with plasma HIV RNA <50 copies/ml and below-normal cognitive performance [defined as age, gender and education-adjusted NP performance (NPZ) <-0...
May 16, 2018: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/29781879/cognitive-burden-of-common-non-antiretroviral-medications-in-hiv-infected-women
#4
Leah H Rubin, Kendra K Radtke, Seenae Eum, Bani Tamraz, Krithika N Kumanan, Gayle Springer, Pauline M Maki, Kathryn Anastos, Daniel Merenstein, Roksana Karim, Kathleen M Weber, Deborah Gustafson, Ruth M Greenblatt, Jeffrey R Bishop
OBJECTIVE: The aging HIV population has increased comorbidity burden and consequently non-antiretroviral (ARV) medication utilization. Many non-ARV medications have known neurocognitive-adverse effects ("NC-AE medications"). We assessed the cognitive effects of NC-AE medications in HIV+ and HIV- women. METHODS: 1558 participants (1037 HIV+; mean age 46) from the Women's Interagency HIV Study completed a neuropsychological test battery between 2009 and 2011...
May 16, 2018: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/29780124/hiv-dementia-with-a-decreased-cardiac-123-i-metaiodobenzylguanidine-uptake-masquerading-as-dementia-with-lewy-bodies
#5
Masanori Kurihara, Takuya Sasaki, Hiroyuki Ishiura, Shoji Tsuji
Cardiac 123 I-metaiodobenzylguanidine (MIBG) scintigraphy is a promising biomarker for dementia with Lewy bodies (DLB). However, we experienced a patient with cognitive decline, parkinsonism, and a decreased MIBG uptake who turned out to have HIV dementia. Normal dopamine transporter single-photon emission computed tomography reduced the possibility of comorbid Lewy body pathology causing the patient' s parkinsonism. The decreased MIBG uptake was most likely due to postganglionic sympathetic nerve denervation, which can also be caused by HIV...
May 18, 2018: Internal Medicine
https://www.readbyqxmd.com/read/29777462/a-composite-of-multisystem-injury-and-neurocognitive-impairment-in-hiv-infection-association-with-everyday-functioning
#6
María J Marquine, Ilse Flores, Rujvi Kamat, Neco Johnson, Anya Umlauf, Scott Letendre, Dilip Jeste, Igor Grant, David Moore, Robert K Heaton
The Veterans Aging Cohort Study (VACS) Index is a composite marker of multisystem injury among HIV-infected persons. We aimed to examine its cross-sectional association with functional outcomes, after considering neurocognitive impairment (NCI) and other well-established correlates of everyday functioning among HIV-infected persons. Participants included 670 HIV-infected adults (ages 18-76; 88% male; 63% non-Hispanic White; median current CD4 = 404 cells/mm3 ; 67% on antiretroviral therapy; AIDS = 63%) enrolled in observational studies at the University of California San Diego HIV Neurobehavioral Research Program...
May 17, 2018: Journal of Neurovirology
https://www.readbyqxmd.com/read/29777461/hiv-aids-and-an-overweight-body-mass-are-associated-with-excessive-intra-individual-variability-in-response-preparation
#7
Lance O Bauer
Factors other than HIV/AIDS may influence the cognitive function of patients living with this disease. The present study tested the influence of a common comorbid problem-an overweight body mass. It also examined intra-task variabilities in performance and brain activation as potentially more sensitive indicators of dysfunction than their mean levels. One-hundred seventy-eight participants were recruited and categorized by HIV-1 serostatus (-/+) and body mass (BMI < 26/≥ 26 kg/m2 ). They performed a simple time estimation task during which response time accuracy and electroencephalographic readiness potentials were recorded...
May 17, 2018: Journal of Neurovirology
https://www.readbyqxmd.com/read/29771285/increased-dolutegravir-peak-concentrations-in-people-living-with-hiv-aged-60-and-over-and-analysis-of-sleep-quality-and-cognition
#8
Emilie R Elliot, Xinzhu Wang, Suveer Singh, Bryony Simmons, Jaime H Vera, Robert F Miller, Colin Fitzpatrick, Graeme Moyle, Myra McClure, Marta Boffito
Background: Demographic data show an increasingly aging HIV population worldwide. Recent concerns over dolutegravir-related neuropsychiatric toxicity have emerged, particularly amongst older HIV patients. We describe the pharmacokinetics (PK) of dolutegravir (DTG) 50mg once daily in people living with HIV (PLWH) aged 60 and older. Additionally, to address the call for prospective neuropsychiatric toxicodynamic data, we evaluate changes in sleep quality and cognitive function after switching to abacavir (ABC)/lamivudine (3TC)/DTG, over 6 months in this population...
May 16, 2018: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29764716/individualized-targeted-computerized-cognitive-training-to-treat-hiv-associated-neurocognitive-disorder-an-interim-descriptive-analysis
#9
David E Vance, Michael Jensen, Frida Tende, James L Raper, Shannon Morrison, Pariya L Fazeli
No abstract text is available yet for this article.
April 23, 2018: Journal of the Association of Nurses in AIDS Care: JANAC
https://www.readbyqxmd.com/read/29762177/neuropsychological-phenotypes-among-men-with-and-without-hiv-disease-in-the-multicenter-aids-cohort-study
#10
Samantha A Molsberry, Yu Cheng, Lawrence Kingsley, Lisa Jacobson, Andrew J Levine, Eileen Martin, Eric N Miller, Cynthia A Munro, Ann Ragin, Ned Sacktor, James T Becker
OBJECTIVE: Mild forms of HIV-associated neurocognitive disorder (HAND) remain prevalent in the combination anti-retroviral therapy (cART) era. This study's objective was to identify neuropsychological subgroups within the Multicenter AIDS Cohort Study (MACS) based on the participant-based latent structure of cognitive function and to identify factors associated with subgroups. DESIGN: The MACS is a four-site longitudinal study of the natural and treated history of HIV disease among gay and bisexual men...
May 11, 2018: AIDS
https://www.readbyqxmd.com/read/29761877/diagnostic-accuracy-of-new-and-old-cognitive-screening-tools-for-hiv-associated-neurocognitive-disorders
#11
M Trunfio, D Vai, C Montrucchio, C Alcantarini, A Livelli, M C Tettoni, G Orofino, S Audagnotto, D Imperiale, S Bonora, G Di Perri, A Calcagno
OBJECTIVES: Considering the similarities between HIV-associated neurocognitive disorders (HAND) and neurodegenerative dementias and the frequency of executive dysfunctions among HIV-positive patients, we evaluated the accuracy of the Frontal Assessment Battery and Clock-Drawing Test together with the Three Questions Test and International HIV Dementia Scale to screen for HAND. METHODS: A cross-sectional monocentric study was conducted from 2010 to 2017. The index tests were represented by the four screening tools; the reference standard was represented by a comprehensive neurocognitive battery used to investigate 10 cognitive domains...
May 15, 2018: HIV Medicine
https://www.readbyqxmd.com/read/29752620/mechanism-of-change-in-cognitive-behavioral-therapy-for-body-image-and-self-care-on-art-adherence-among-sexual-minority-men-living-with-hiv
#12
Kalina M Lamb, Kelsey A Nogg, Steven A Safren, Aaron J Blashill
Body image disturbance is a common problem reported among sexual minority men living with HIV, and is associated with poor antiretroviral therapy (ART) adherence. Recently, a novel integrated intervention (cognitive behavioral therapy for body image and self-care; CBT-BISC) was developed and pilot tested to simultaneously improve body image and ART adherence in this population. Although CBT-BISC has demonstrated preliminary efficacy in improving ART adherence, the mechanisms of change are unknown. Utilizing data from a two-armed randomized controlled trial (N = 44 sexual minority men living with HIV), comparing CBT-BISC to an enhanced treatment as usual (ETAU) condition, sequential process mediation via latent difference scores was assessed, with changes in body image disturbance entered as the mechanism between treatment condition and changes in ART adherence...
May 11, 2018: AIDS and Behavior
https://www.readbyqxmd.com/read/29750006/a-novel-integrated-cognitive-behavioral-therapy-for-anxiety-and-medication-adherence-among-persons-living-with-hiv-aids
#13
Charles P Brandt, Daniel J Paulus, Monica Garza, Chad Lemaire, Peter J Norton, Michael J Zvolensky
Persons living with HIV/AIDS (PLHIV) are able to live full lifespans after infection, however, rates of anxiety disorders among this population are elevated compared to national samples. Importantly, these anxiety symptoms and disorders have a negative effect on medication adherence, quality of life and other psychological disorders, such as depression. In order to reduce the impact of anxiety among PLHIV, a six-session transdiagnostic CBT-based treatment manual for anxiety among PLHIV named the HIV/Anxiety Management-Reduction Treatment (HAMRT) was developed and implemented...
February 2018: Cognitive and Behavioral Practice
https://www.readbyqxmd.com/read/29747571/axonal-chronic-injury-in-treatment-na%C3%A3-ve-hiv-adults-with-asymptomatic-neurocognitive-impairment-and-its-relationship-with-clinical-variables-and-cognitive-status
#14
Rui-Li Li, Jun Sun, Zhen-Chao Tang, Jing-Ji Zhang, Hong-Jun Li
BACKGROUND: HIV is a neurotropic virus, and it can bring about neurodegeneration and may even result in cognitive impairments. The precise mechanism of HIV-associated white matter (WM) injury is unknown. The effects of multiple clinical contributors on WM impairments and the relationship between the WM alterations and cognitive performance merit further investigation. METHODS: Diffusion tensor imaging (DTI) was performed in 20 antiretroviral-naïve HIV-positive asymptomatic neurocognitive impairment (ANI) adults and 20 healthy volunteers...
May 10, 2018: BMC Neurology
https://www.readbyqxmd.com/read/29746300/impact-of-glycemic-status-on-longitudinal-cognitive-performance-in-men-with-and-without-hiv-infection
#15
Jingyan Yang, Lisa P Jacobson, James T Becker, Andrew Levine, Eileen M Martin, Cynthia A Munro, Frank J Palella, Jordan E Lake, Ned C Sacktor, Todd T Brown
OBJECTIVES: To determine the relationship between glycemic status and cognitive performance in men living with (MLWH) and without HIV infection. DESIGN: A prospective HIV/AIDS cohort study in four U.S. cities between 1999 and 2016. METHODS: Glycemic status was categorized as normal glucose (NG), impaired fasting glucose (IFG), controlled diabetes mellitus (DM) and uncontrolled DM at each semi-annual visit. Cognitive performance was evaluated using nine neuropsychological tests which measure attention, constructional ability, verbal learning, executive functioning, memory, and psychomotor speed...
May 8, 2018: AIDS
https://www.readbyqxmd.com/read/29746298/perinatally-acquired-hiv-infection-accelerates-epigenetic-aging-in-south-african-adolescents
#16
Steve Horvath, Nicole Phillips, Sarah J Heany, Michael S Kobor, David Ts Lin, Landon Myer, Heather J Zar, Dan J Stein, Andrew J Levine, Jacqueline Hoare
OBJECTIVE: Recent studies demonstrate that infection with the Human Immunodeficiency Virus-1 (HIV) is associated with accelerated aging effects in adults according to a highly accurate epigenetic biomarker of aging known as epigenetic clock. However, it not yet known whether epigenetic age acceleration occurs as early as adolescence in perinatally HIV-infected (PHIV+) youth. DESIGN: Observational study of PHIV and HIV-uninfected adolescents enrolled in the Cape Town Adolescent Antiretroviral Cohort (CTAAC) Study...
May 8, 2018: AIDS
https://www.readbyqxmd.com/read/29746297/microglial-activation-is-inversely-associated-with-cognition-in-individuals-living-with-hiv-on-effective-antiretroviral-therapy
#17
Leah H Rubin, Ned Sacktor, Jason Creighton, Yong Du, Christopher J Endres, Martin G Pomper, Jennifer M Coughlin
OBJECTIVE: Despite viral suppression, HIV-associated cognitive impairment persists and may be partially due to persistent immune signaling by cells of the myeloid-lineage. Here we aimed to understand the contribution of activated microglia located in vulnerable brain regions (e.g., frontal, subcortical) of HIV-infected, virally suppressed (HIV+VS) individuals in relation to cognitive and motor function. DESIGN: 21 HIV+VS individuals underwent positron emission tomography (PET) with [C]DPA-713 to image the translocator protein 18 KDa (TSPO), a marker of microglial activation, and completed a comprehensive neuropsychological test battery...
May 9, 2018: AIDS
https://www.readbyqxmd.com/read/29741401/comparison-of-%C3%AE-2-microglobulin-serum-level-between-alzheimer-s-patients-cognitive-healthy-and-mild-cognitive-impaired-individuals
#18
Roberto Dominici, Dario Finazzi, Letizia Polito, Emanuela Oldoni, Giovanna Bugari, Alessandro Montanelli, Elio Scarpini, Daniela Galimberti, Antonio Guaita
BACKGROUND: Several studies performed in the last years on the brain, showed that beta2-microglobulin (β2m) and MHC can act independently of their canonical immune function to regulate normal brain development, synaptic plasticity and behaviour. Increased systemic levels of soluble β2m have been implicated in cognitive impairments like that associated with chronic hemodialysis, or aortic valve replacement. Increased soluble β2m has also been detected in the cerebral spinal fluid (CSF) of patients with HIV-associated dementia and Alzheimer's disease...
May 9, 2018: Biomarkers: Biochemical Indicators of Exposure, Response, and Susceptibility to Chemicals
https://www.readbyqxmd.com/read/29737506/hiv-1-protein-tat-1-72-impairs-neuronal-dendrites-via-activation-of-pp1-and-regulation-of-the-creb-bdnf-pathway
#19
Yu Liu, Deyu Zhou, Jiabin Feng, Zhou Liu, Yue Hu, Chang Liu, Xiaohong Kong
Despite the success of combined antiretroviral therapy in recent years, the prevalence of human immunodeficiency virus (HIV)-associated neurocognitive disorders in people living with HIV-1 is increasing, significantly reducing the health-related quality of their lives. Although neurons cannot be infected by HIV-1, shed viral proteins such as transactivator of transcription (Tat) can cause dendritic damage. However, the detailed molecular mechanism of Tat-induced neuronal impairment remains unknown. In this study, we first showed that recombinant Tat (1-72 aa) induced neurotoxicity in primary cultured mouse neurons...
May 8, 2018: Virologica Sinica
https://www.readbyqxmd.com/read/29737194/characterization-of-cellular-immune-responses-in-thai-individuals-with-and-without-hiv-associated-neurocognitive-disorders
#20
Silvia Ratto-Kim, Alexandra Schuetz, Pasiri Sithinamsuwan, John Barber, Nicholas Hutchings, Sukalaya Lerdlum, James L K Fletcher, Yuwadee Phuang-Ngern, Weerawan Chuenarom, Somporn Tipsuk, Mantana Pothisri, Tanate Jadwattanakul, Supunnee Jirajariyavej, Chayada Sajjaweerawan, Siriwat Akapirat, Thep Chalermchai, Duanghathai Suttichom, Boot Keawboon, Peeriya Prueksakaew, Putthachard Karnsomlap, David Clifford, Robert H Paul, Mark de Souza, Jerome H Kim, Jintinant Anaworanich, Victor Valcour
HIV-associated cognitive disorder (HAND) remains a challenge despite antiretroviral therapy (ART), and has been linked to monocyte/macrophage (M/M) migration to the brain. Due to the potential impact of T cell effector mechanisms in eliminating activated/HIV-infected M/M, T cell activation may play a role in the development of HAND. We sought to investigate the relationship between cognition and both CD8+ T-cell activation (HLA-DR+/CD38+) and HIV-specific CD8+ T-cell responses at the time of HIV diagnosis and 12 months post initiation of ART...
May 8, 2018: AIDS Research and Human Retroviruses
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