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Roen AO, Peters L, Wandeler G, van der Valk M, Zangerle R, Günthard HF, Wit F, Mussini C, De Wit S, d’Arminio Monforte A, Vehreschild JJ, Castagna A, Jaschinski N, Vannappagari V, Chen L, Tallada J, C’mar J, Mocroft A, Ryom L. Chronic Liver Enzyme Elevation and Use of Contemporary ARVs Among People With HIV. Open Forum Infect Dis 2024; 11:ofae308. [PMID: 38919512 PMCID: PMC11196901 DOI: 10.1093/ofid/ofae308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2024] [Accepted: 06/05/2024] [Indexed: 06/27/2024] Open
Abstract
Background While use of some older antiretroviral drugs (ARVs) is associated with chronic liver enzyme elevation (cLEE), the impact of newer ARVs remains unknown. Methods People with HIV enrolled in the RESPOND cohort who started an ARV after January 1, 2012 were included (baseline). The primary outcome was first cLEE individuals were censored at first of cLEE, last visit, death, or December 31, 2021. Incidence rates (IRs; events/1000 person-years) were calculated for each ARV overall and by ARV exposure (6-12 months, 1-2 years, and 2+ years). Poisson regression was used to estimate the incidence rate ratio (IRR) of cLEE and its association with individual ARVs and ARV class. Results Of 17 106 individuals included contributing 87 924 person-years of follow-up, 1932 (11.3%) experienced cLEE (incidence rate [IR], 22.0; 95% CI, 21.0-23.0). There was no evidence of a cumulative ARV effect on cLEE incidence, (6-12 months: IR, 45.8; 95% CI, 41.4-50.19; 1-2 years: IR, 34.3; 95% CI, 31.5-37.4; and 2+ years: IR, 18.5; 95% CI, 17.4-19.7). Any use (vs no prior use) of non-nucleoside reverse transcriptase inhibitors (NNRTIs) as a class and tenofovir disoproxil fumarate (TDF) was independently associated with an increased IRR of cLEE, and any use of darunavir (DRV) was associated with a decreased risk of cLEE. Conclusions cLEE is common and more frequent during the first year after initiating new ARVs. With a >5-year median follow-up, we found no short-term liver safety concerns with the use of INSTIs. Use of NNRTIs and TDF was associated with an increased cLEE risk, while DRV was associated with lower risk.
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Affiliation(s)
- Ashley O Roen
- Institute for Global Health, University College London, London, UK
| | - Lars Peters
- CHIP, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Gilles Wandeler
- Department of Infectious Diseases, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Marc van der Valk
- Stichting HIV Monitoring Amsterdam, Amsterdam, The Netherlands
- Amsterdam University Medical Centers, University of Amsterdam, Division of Infectious Diseases, and Amsterdam Institute for Infection and Immunity, Amsterdam, The Netherlands
| | - Robert Zangerle
- Austrian HIV Cohort Study (AHIVCOS), Medizinische Universität Innsbruck, Innsbruck, Austria
| | - Huldrych F Günthard
- Department of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich, Zurich, Switzerland
- Institute of Medical Virology, University of Zurich, Zurich, Switzerland
| | - Ferdinand Wit
- AIDS Therapy Evaluation in the Netherlands (ATHENA) Cohort, HIV Monitoring Foundation, Amsterdam, The Netherlands
| | - Cristina Mussini
- Modena HIV Cohort, Università degli Studi di Modena, Modena, Italy
| | - Stéphane De Wit
- CHU Saint-Pierre, Centre de Recherche en Maladies Infectieuses a.s.b.l., Brussels, Belgium
| | | | | | - Antonella Castagna
- San Raffaele Scientific Institute, Università Vita-Salute San Raffaele, Milano, Italy
| | | | | | - Linda Chen
- Gilead Science, Foster City, California, USA
| | - Joan Tallada
- European AIDS Treatment Group, Brussels, Belgium
| | | | - Amanda Mocroft
- Institute for Global Health, University College London, London, UK
- CHIP, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Lene Ryom
- CHIP, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
- Department of Infectious Diseases 144, Hvidovre University Hospital, Copenhagen, Denmark
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
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Rupasinghe D, Choi JY, Yunihastuti E, Kiertiburanakul S, Ross J, Ly PS, Chaiwarith R, Do CD, Chan YJ, Kumarasamy N, Avihingsanon A, Kamarulzaman A, Khusuwan S, Zhang F, Lee MP, Van Nguyen K, Merati TP, Sangle S, Oon Tek NG, Tanuma J, Ditangco R, Sim BLH, Pujari S, Jiamsakul A. Factors associated with high alanine aminotransferase (ALT) and cirrhosis in people living with HIV on combination antiretroviral treatment (cART) in the Asia-Pacific. J Med Virol 2022; 94:5451-5464. [PMID: 35869413 PMCID: PMC9534455 DOI: 10.1002/jmv.28019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 04/27/2022] [Accepted: 07/21/2022] [Indexed: 12/15/2022]
Abstract
Liver disease is a growing burden among people living with HIV (PLHIV) in resource-limited settings. As an indicator of liver disease, risk factors of high alanine aminotransferase (ALT) and cirrhosis were assessed among PLHIV in the TREAT Asia HIV Observational Database (TAHOD). Patients on combination antiretroviral therapy (cART) with a pre-cART ALT measurement and at least one follow-up ALT measurement were included. Factors associated with high ALT (ALT levels > 5 times its upper limit of normal) were analyzed using repeated measure logistic regression over a 10-year follow-up period. Liver cirrhosis was defined as having an AST to Platelet Ratio Index score > 1.5, fibrosis-4 score > 3.25, or a clinical diagnosis of cirrhosis. Cox regression analysis stratified by site was used to analyze factors associated with cirrhosis among those in follow-up after 2015. Of 5182 patients, 101 patients (1.9%) had high ALT levels with hepatitis C virus (HCV) antibody positive (odds ratio [OR]: 4.98, 95% confidence interval [CI]: 2.82-8.77, p < 0.001) and ever high alcohol consumption (OR: 2.33, 95% CI: 1.00-5.46, p = 0.050) as likely factors. Among 6318 PLHIV in the liver cirrhosis analysis, 151 (2%) developed cirrhosis (incidence rate = 0.82 per 100 person-years). Those HCV-antibody positive (hazard ratio [HR]: 5.54, 95% CI: 3.75-8.18, p < 0.001) and had high alcohol consumption (HR: 2.06, 95% CI: 1.23-3.45, p = 0.006) were associated with liver cirrhosis. HCV-antibody positive and high alcohol consumption are factors associated with high ALT. With raised ALT levels as a known factor associated with liver cirrhosis, greater efforts are required in managing ALT levels and reducing the risk of developing liver cirrhosis among those positive for HCV-antibody and those who consume alcohol.
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Affiliation(s)
| | - Jun Yong Choi
- Division of Infectious Diseases, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, South Korea
| | - Evy Yunihastuti
- Faculty of Medicine Universitas Indonesia - Dr. Cipto Mangunkusumo General Hospital, Jakarta, Indonesia
| | | | - Jeremy Ross
- TREAT Asia, amfAR - The Foundation for AIDS Research, Bangkok, Thailand
| | - Penh Sun Ly
- National Center for HIV/AIDS, Dermatology & STDs, Phnom Penh, Cambodia
| | | | | | - Yu-Jiun Chan
- Taipei Veterans General Hospital, Taipei, Taiwan
| | | | | | | | | | - Fujie Zhang
- Beijing Ditan Hospital, Capital Medical University, Beijing, China
| | | | | | | | | | - NG Oon Tek
- Tan Tock Seng Hospital, Singapore
- National Centre for Infectious Diseases, Singapore
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore
| | - Junko Tanuma
- National Center for Global Health and Medicine, Tokyo, Japan
| | - Rossana Ditangco
- Research Institute for Tropical Medicine, Muntinlupa City, Philippines
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3
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The Association of HLA-B*35 and GSTT1 Genotypes and Hepatotoxicity in Thai People Living with HIV. J Pers Med 2022; 12:jpm12060940. [PMID: 35743726 PMCID: PMC9225434 DOI: 10.3390/jpm12060940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Revised: 05/28/2022] [Accepted: 06/06/2022] [Indexed: 11/25/2022] Open
Abstract
Glutathione s-transferase (GST) is a family of drug-metabolizing enzymes responsible for metabolizing and detoxifying drugs and xenobiotic substances. Therefore, deletion polymorphisms of GSTs can be implicated in developing several pathological conditions, including antiretroviral drug-induced liver injury (ARVDILI). Notably, GST polymorphisms have been shown to be associated with ARVDILI risk. However, data on GST polymorphisms in the Thai population are limited. Therefore, this study investigated possible associations between GST genetic polymorphisms and ARVDILI development. A total of 362 people living with HIV (PLHIV) and 85 healthy controls from multiple centers were enrolled. GSTM1 and GSTT1 genetic polymorphisms were determined using polymerase chain reactions. In addition, HLA genotypes were determined using a sequence-based HLA typing method. After comparing GST genotypic frequencies, there was no significant difference between PLHIV and healthy volunteers. However, while observing the PLHIV group, GSTT1 wild type was significantly associated with a 2.04-fold increased risk of ARVDILI (95%CI: 1.01, 4.14; p = 0.045). Interestingly, a combination of GSTT1 wild type and HLA-B*35:05 was associated with a 2.28-fold higher risk of ARVDILI (95%CI: 1.15, 4.50; p = 0.02). Collectively, GSTT1 wild type and a combination of GSTT1 wild type plus HLA-B*35:05 were associated with susceptibility to ARVDILI in the Thai population.
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Ge FL, Si LL, Yang Y, Li YH, Lv ZL, Liu WH, Liao H, Wang J, Zou J, Li L, Li H, Zhang ZL, Wang JB, Lu XC, Xu DP, Bai ZF, Liu Y, Xiao XH. Chinese Patent Medicine Liuweiwuling Tablet had Potent Inhibitory Effects on Both Wild-Type and Entecavir-Resistant Hepatitis B Virus (HBV) in vitro and Effectively Suppressed HBV Replication in Mouse Model. Front Pharmacol 2021; 12:756975. [PMID: 34776974 PMCID: PMC8578813 DOI: 10.3389/fphar.2021.756975] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Accepted: 10/06/2021] [Indexed: 01/15/2023] Open
Abstract
Liuweiwuling Tablet (LWWL) is a licensed Chinese patent medicine (approval number: Z20060238) included in the national health insurance for anti-inflammation of chronic HBV infection, whereas its anti-HBV effect remains clarification. The study aimed to clarify its antiviral effect and related mechanisms. HepG2.2.15 cells (wild-type HBV-replicating cells) and HepG2. A64 cells (entecavir-resistant HBV-replicating cells) were used for in vitro test. Hydrodynamic injection-mediated HBV-replicating mouse model was used for in vivo test. Active compounds and related mechanisms for antiviral effect of LWWL were analyzed using network pharmacology and transcriptomics. The inhibition rates of LWWL (0.8 mg/ml) on HBV DNA, HBsAg, and pgRNA were 57.06, 38.55, and 62.49% in HepG2.2.15 cells, and 51.57, 17.57, and 53.88% in HepG2. A64 cells, respectively. LWWL (2 g kg-1 d-1 for 4 weeks)-treated mice had 1.16 log10 IU/mL decrease of serum HBV DNA, and more than 50% decrease of serum HBsAg/HBeAg and hepatic HBsAg/HBcAg. Compared to tenofovir control, LWWL was less effective in suppressing HBV DNA but more effective in suppressing HBV antigens. Thirteen differentially-expressed genes were found in relation to HBV-host interaction and some of them were enriched in interferon (IFN)-β pathway in LWWL-treated HepG2.2.15 cells. CD3+CD4+ T-cell frequency and serum IFN-γ were significantly increased in LWWL-treated mice compared to LWWL-untreated mice. Among 26 compounds with potential anti-HBV effects that were predicted by network pharmacology, four compounds (quercetin, luteolin, wogonin, and kaempferol) were experimentally confirmed to have antiviral potency. In conclusion, LWWL had potent inhibitory effect on both wild-type and entecavir-resistant HBV, which might be associated with increasing IFN-β and IFN-γ production.
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Affiliation(s)
- Fei-Lin Ge
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China.,Department of Infectious Diseases, The Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Lan-Lan Si
- Department of Infectious Diseases, The Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Yan Yang
- Department of Liver Diseases, The Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Yuan-Hua Li
- Department of Liver Diseases, The Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Zhong-Lin Lv
- Department of Hematology, The Second Medical Center and National Clinical Research Center for Geriatric Diseases, Chinese PLA General Hospital, Beijing, China
| | - Wen-Hui Liu
- Department of Gastroenterology, The Second Medical Center and National Clinical Research Center for Geriatric Diseases, Chinese PLA General Hospital, Beijing, China
| | - Hao Liao
- Department of Infectious Diseases, The Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Jun Wang
- Department of Infectious Diseases, The Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Jun Zou
- Department of Infectious Diseases, The Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Le Li
- Department of Infectious Diseases, The Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Hui Li
- Department of Liver Diseases, The Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Zi-Lin Zhang
- Department of Infectious Diseases, The Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Jia-Bo Wang
- Department of Liver Diseases, The Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Xue-Chun Lu
- Department of Hematology, The Second Medical Center and National Clinical Research Center for Geriatric Diseases, Chinese PLA General Hospital, Beijing, China
| | - Dong-Ping Xu
- Department of Infectious Diseases, The Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Zhao-Fang Bai
- Department of Liver Diseases, The Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Yan Liu
- Department of Infectious Diseases, The Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Xiao-He Xiao
- Department of Liver Diseases, The Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
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5
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Rausch JW, Le Grice SFJ. Characterizing the Latent HIV-1 Reservoir in Patients with Viremia Suppressed on cART: Progress, Challenges, and Opportunities. Curr HIV Res 2021; 18:99-113. [PMID: 31889490 PMCID: PMC7475929 DOI: 10.2174/1570162x18666191231105438] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Revised: 12/05/2019] [Accepted: 12/09/2019] [Indexed: 02/07/2023]
Abstract
Modern combination antiretroviral therapy (cART) can bring HIV-1 in blood plasma to level undetectable by standard tests, prevent the onset of acquired immune deficiency syndrome (AIDS), and allow a near-normal life expectancy for HIV-infected individuals. Unfortunately, cART is not curative, as within a few weeks of treatment cessation, HIV viremia in most patients rebounds to pre-cART levels. The primary source of this rebound, and the principal barrier to a cure, is the highly stable reservoir of latent yet replication-competent HIV-1 proviruses integrated into the genomic DNA of resting memory CD4+ T cells. In this review, prevailing models for how the latent reservoir is established and maintained, residual viremia and viremic rebound upon withdrawal of cART, and the types and characteristics of cells harboring latent HIV-1 will be discussed. Selected technologies currently being used to advance our understanding of HIV latency will also be presented, as will a perspective on which areas of advancement are most essential for producing the next generation of HIV-1 therapeutics.
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Affiliation(s)
- Jason W Rausch
- Basic Research Laboratory, Center for Cancer Research, National Cancer Institute, National Institute of Health, Frederick, MD 21702, United States
| | - Stuart F J Le Grice
- Basic Research Laboratory, Center for Cancer Research, National Cancer Institute, National Institute of Health, Frederick, MD 21702, United States
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Dragovic G, Nikolic K, Dimitrijevic B, Jevtovic D, Salemovic D, Tomanovic N, Boricic I. Severe hepatotoxicity induced by efavirenz in a treatment-naïve, low body mass index HIV-infected, female patient with no hepatitis and other virus co-infections. Ultrastruct Pathol 2019; 43:220-223. [PMID: 31578116 DOI: 10.1080/01913123.2019.1673862] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Combined antiretroviral therapy (cART) consisting of two nucleoside reverse transcriptase inhibitors (NRTIs) and one non-nucleoside reverse transcriptase inhibitor (NNRTI), such as efavirenz, is still the first-line treatment in resource-limited settings. However, efavirenz has shown strong prominence of disadvantages with variance in plasma concentration and central nervous side effects. Our study presents HIV infected, drug naïve, female patient with relatively low BMI, CYP2B6 516G>T (rs3745274) genotype with high efavirenz plasma concentration. In this case report, the patient was admitted at the hospital 6 months after cART initiation with drug-induced severe hepatotoxicity. Furthermore, pathophysiological findings proved confluent parenchymal necrosis after aspiration liver biopsy, with mild to moderate inflammation in portal tracts with focal interface hepatitis. All other possible causes were excluded. Thus, we conclude that efavirenz has a potential harmful effect in patients with low BMI, specific genotyping and interindividual pharmacokinetics affecting high plasma concentration.
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Affiliation(s)
- Gordana Dragovic
- Department for Pharmacology, Clinical Pharmacology and Toxicology, School of Medicine, University of Belgrade, Belgrade, Serbia
| | - Katarina Nikolic
- Department for Pharmacology, Clinical Pharmacology and Toxicology, School of Medicine, University of Belgrade, Belgrade, Serbia
| | - Bozana Dimitrijevic
- Department for Pharmacology, Clinical Pharmacology and Toxicology, School of Medicine, University of Belgrade, Belgrade, Serbia
| | - Djordje Jevtovic
- School of Medicine, The HIV-AIDS Center, Hospital for Infectious and Tropical Diseases "Dr Kosta Todorovic", University of Belgrade, Belgrade, Serbia
| | - Dubravka Salemovic
- School of Medicine, The HIV-AIDS Center, Hospital for Infectious and Tropical Diseases "Dr Kosta Todorovic", University of Belgrade, Belgrade, Serbia
| | - Nada Tomanovic
- Department of Pathology, School of Medicine, University of Belgrade, Belgrade, Serbia
| | - Ivan Boricic
- Department of Pathology, School of Medicine, University of Belgrade, Belgrade, Serbia
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7
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Chou R, Dana T, Grusing S, Bougatsos C. Screening for HIV Infection in Asymptomatic, Nonpregnant Adolescents and Adults: Updated Evidence Report and Systematic Review for the US Preventive Services Task Force. JAMA 2019; 321:2337-2348. [PMID: 31184705 DOI: 10.1001/jama.2019.2592] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
IMPORTANCE Untreated HIV infection can result in significant morbidity, mortality, and HIV transmission. A 2012 review for the US Preventive Services Task Force (USPSTF) found antiretroviral therapy (ART) associated with improved clinical outcomes and decreased transmission risk in persons with CD4 cell counts less than 500/mm3. OBJECTIVE To update the 2012 review on HIV screening to inform the USPSTF. DATA SOURCES Ovid MEDLINE, the Cochrane Central Register of Controlled Trials, and the Cochrane Database of Systematic Reviews from 2012 to June 2018, with surveillance through January 2019. STUDY SELECTION Nonpregnant individuals 12 years and older; randomized clinical trials (RCTs) and controlled observational studies of screening vs no screening, alternative screening strategies, earlier vs later initiation of ART, and long-term harms of ART. DATA EXTRACTION AND SYNTHESIS One investigator abstracted data; a second checked accuracy. Two investigators independently rated study quality. MAIN OUTCOMES AND MEASURES Mortality, AIDS events, quality of life, function, and HIV transmission; harms of screening and long-term (≥2 years) harms of ART; screening yield. RESULTS Eighteen new studies (5 RCTs, 11 cohort studies, and 2 systematic reviews; N = 266 563) were included, and 11 studies (2 RCTs and 9 cohort studies; N = 218 542) were carried forward from the prior USPSTF report. No study directly evaluated effects of HIV screening vs no screening on clinical outcomes or harms, or the yield of alternative screening strategies. Two newly identified RCTs conducted completely or partially in low-resource settings found ART initiation at CD4 cell counts greater than 500/mm3 associated with lower risk of a composite outcome of mortality, AIDS-defining events, or serious non-AIDS events (relative risk [RR], 0.44 [95% CI, 0.31-0.63] and RR, 0.57 [95% CI, 0.35-0.95]); results were consistent with those from a large observational study. Early ART was not associated with increased risk of cardiovascular events. Early ART initiation was associated with sustained reduction in risk of HIV transmission at 5.5 years (RR, 0.07 [95% CI, 0.02-0.22] for linked transmission). New evidence regarding the association between abacavir use and risk of cardiovascular events was inconsistent. Certain antiretroviral regimens were associated with increased risk of long-term neuropsychiatric, renal, hepatic, and bone adverse events. CONCLUSIONS AND RELEVANCE In nonpregnant adolescents and adults there was no direct evidence on the clinical benefits and harms of screening for HIV infections vs no screening, or the yield of repeat or alternative screening strategies. New evidence extends effectiveness of ART to asymptomatic individuals with CD4 cell counts greater than 500/mm3 and shows sustained reduction in risk of HIV transmission at longer-term follow-up, although certain ART regimens may be associated with increased risk of long-term harms.
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Affiliation(s)
- Roger Chou
- Pacific Northwest Evidence-based Practice Center, Department of Medical Informatics and Clinical Epidemiology, Oregon Health & Science University, Portland
- Division of General Internal Medicine and Geriatrics, Oregon Health & Science University, Portland
| | - Tracy Dana
- Pacific Northwest Evidence-based Practice Center, Department of Medical Informatics and Clinical Epidemiology, Oregon Health & Science University, Portland
| | - Sara Grusing
- Pacific Northwest Evidence-based Practice Center, Department of Medical Informatics and Clinical Epidemiology, Oregon Health & Science University, Portland
| | - Christina Bougatsos
- Pacific Northwest Evidence-based Practice Center, Department of Medical Informatics and Clinical Epidemiology, Oregon Health & Science University, Portland
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Owens DK, Davidson KW, Krist AH, Barry MJ, Cabana M, Caughey AB, Curry SJ, Doubeni CA, Epling JW, Kubik M, Landefeld CS, Mangione CM, Pbert L, Silverstein M, Simon MA, Tseng CW, Wong JB. Screening for HIV Infection: US Preventive Services Task Force Recommendation Statement. JAMA 2019; 321:2326-2336. [PMID: 31184701 DOI: 10.1001/jama.2019.6587] [Citation(s) in RCA: 112] [Impact Index Per Article: 22.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
IMPORTANCE Approximately 1.1 million persons in the United States are currently living with HIV, and more than 700 000 persons have died of AIDS since the first cases were reported in 1981. There were approximately 38 300 new diagnoses of HIV infection in 2017. The estimated prevalence of HIV infection among persons 13 years and older in the United States is 0.4%, and data from the Centers for Disease Control and Prevention show a significant increase in HIV diagnoses starting at age 15 years. An estimated 8700 women living with HIV give birth each year in the United States. HIV can be transmitted from mother to child during pregnancy, labor, delivery, and breastfeeding. The incidence of perinatal HIV infection in the United States peaked in 1992 and has declined significantly following the implementation of routine prenatal HIV screening and the use of effective therapies and precautions to prevent mother-to-child transmission. OBJECTIVE To update the 2013 US Preventive Services Task Force (USPSTF) recommendation on screening for HIV infection in adolescents, adults, and pregnant women. EVIDENCE REVIEW The USPSTF reviewed the evidence on the benefits and harms of screening for HIV infection in nonpregnant adolescents and adults, the yield of screening for HIV infection at different intervals, the effects of initiating antiretroviral therapy (ART) at a higher vs lower CD4 cell count, and the longer-term harms associated with currently recommended ART regimens. The USPSTF also reviewed the evidence on the benefits (specifically, reduced risk of mother-to-child transmission of HIV infection) and harms of screening for HIV infection in pregnant persons, the yield of repeat screening for HIV at different intervals during pregnancy, the effectiveness of currently recommended ART regimens for reducing mother-to-child transmission of HIV infection, and the harms of ART during pregnancy to the mother and infant. FINDINGS The USPSTF found convincing evidence that currently recommended HIV tests are highly accurate in diagnosing HIV infection. The USPSTF found convincing evidence that identification and early treatment of HIV infection is of substantial benefit in reducing the risk of AIDS-related events or death. The USPSTF found convincing evidence that the use of ART is of substantial benefit in decreasing the risk of HIV transmission to uninfected sex partners. The USPSTF also found convincing evidence that identification and treatment of pregnant women living with HIV infection is of substantial benefit in reducing the rate of mother-to-child transmission. The USPSTF found adequate evidence that ART is associated with some harms, including neuropsychiatric, renal, and hepatic harms, and an increased risk of preterm birth in pregnant women. The USPSTF concludes with high certainty that the net benefit of screening for HIV infection in adolescents, adults, and pregnant women is substantial. CONCLUSIONS AND RECOMMENDATION The USPSTF recommends screening for HIV infection in adolescents and adults aged 15 to 65 years. Younger adolescents and older adults who are at increased risk of infection should also be screened. (A recommendation) The USPSTF recommends screening for HIV infection in all pregnant persons, including those who present in labor or at delivery whose HIV status is unknown. (A recommendation).
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Affiliation(s)
| | - Douglas K Owens
- Veterans Affairs Palo Alto Health Care System, Palo Alto, California
- Stanford University, Stanford, California
| | - Karina W Davidson
- Feinstein Institute for Medical Research at Northwell Health, Manhasset, New York
| | - Alex H Krist
- Fairfax Family Practice Residency, Fairfax, Virginia
- Virginia Commonwealth University, Richmond
| | | | | | | | | | | | | | | | | | | | - Lori Pbert
- University of Massachusetts Medical School, Worcester
| | | | | | - Chien-Wen Tseng
- University of Hawaii, Honolulu
- Pacific Health Research and Education Institute, Honolulu, Hawaii
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9
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Guaraldi G, Pintassilgo I, Milic J, Mussini C. Managing antiretroviral therapy in the elderly HIV patient. Expert Rev Clin Pharmacol 2018; 11:1171-1181. [PMID: 30444968 DOI: 10.1080/17512433.2018.1549484] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Introduction: Owing to more effective and less toxic antiretroviral therapy (ART), people living with HIV (PLWH) live longer, a phenomenon expected to grow in the next decades. With advancing age, effectively treated PLWH experience not only a heightened risk for non-infective comorbidities and multimorbidity, but also for geriatric syndromes and frailty. In addition, older adults living with HIV (OALWH) have a higher prevalence of so-called iatrogenic triad described as polypharmacy (PP), potentially inappropriate medication use, and drug-drug interactions. Areas covered: This review will focus the management of ART in OALWH. We will discuss iatrogenic triad and best way to address PP. Special focus will be given to pharmacokinetic and pharmacodynamic aspects of ART in the elderly, evaluation of ART toxicities, and specific ART strategies commonly used in this population. Expert commentary: Research should be focused on recruiting more OALWH, frail individuals in particular, into the clinical trials and specific geriatric outcome need to be considered together with traditional viroimmunological outcomes.
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Affiliation(s)
- Giovanni Guaraldi
- a Modena HIV Metabolic Clinic , Azienda Policlinico-Universitaria di Modena , Modena , Italy.,b Department of Medical and Surgical Sciences for Children & Adults , University of Modena and Reggio Emilia , Modena , Italy
| | - Ines Pintassilgo
- c Internal Medicine Department , Hospital Garcia de Orta , Almada , Portugal
| | - Jovana Milic
- a Modena HIV Metabolic Clinic , Azienda Policlinico-Universitaria di Modena , Modena , Italy.,b Department of Medical and Surgical Sciences for Children & Adults , University of Modena and Reggio Emilia , Modena , Italy.,d Clinical and Experimental Medicine PhD Program , University of Modena and Reggio Emilia , Modena , Italy
| | - Cristina Mussini
- a Modena HIV Metabolic Clinic , Azienda Policlinico-Universitaria di Modena , Modena , Italy.,b Department of Medical and Surgical Sciences for Children & Adults , University of Modena and Reggio Emilia , Modena , Italy
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Aging and Apolipoprotein E in HIV Infection. J Neurovirol 2018; 24:529-548. [PMID: 29987582 PMCID: PMC6244718 DOI: 10.1007/s13365-018-0660-2] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Revised: 05/23/2018] [Accepted: 06/25/2018] [Indexed: 01/21/2023]
Abstract
With the implementation of increasingly effective antiretroviral therapy (ART) over the past three decades, individuals infected with HIV live a much longer life. HIV infection is no longer a terminal but rather a chronic disease. However, the lifespan of infected individuals remains shorter than that of their uninfected peers. Even with ART, HIV infection may potentiate “premature” aging. Organ-associated disease and systemic syndromes that occur in treated HIV-infection are like that of older, uninfected individuals. Brain aging may manifest as structural changes or neurocognitive impairment that are beyond the chronological age. The spectrum of neurological, cognitive, and motor deficiencies, currently described as HIV-associated neurocognitive disorders (HAND), may reflect earlier onset of mechanisms common to HIV infection and aging (accelerated aging). HAND could also reflect the neurological impact of HIV infection superimposed on comorbidities linked to age and chronic inflammation, leading to a higher prevalence of neurocognitive impairment across the age span (accentuated aging). In addition, apolipoprotein E (ApoE), one of the most influential host risk factors for developing Alzheimer’s disease, has been implicated in the development of HAND. But studies differ as to whether ApoE is relevant, and whether age and ApoE interact to impair brain function in the HIV-infected patient. What is clear is that HIV-infected individuals are living longer with HIV, and therefore factors related to aging and health need to be examined in the context of current, effective ART. This review addresses the recent evidence for the influence of aging and ApoE on HIV-associated neurocognitive impairment.
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Chawla A, Wang C, Patton C, Murray M, Punekar Y, de Ruiter A, Steinhart C. A Review of Long-Term Toxicity of Antiretroviral Treatment Regimens and Implications for an Aging Population. Infect Dis Ther 2018; 7:183-195. [PMID: 29761330 PMCID: PMC5986685 DOI: 10.1007/s40121-018-0201-6] [Citation(s) in RCA: 86] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2018] [Indexed: 02/07/2023] Open
Abstract
Human immunodeficiency virus (HIV) is a chronic infectious disease currently requiring lifelong antiretroviral therapy (ART). People living with HIV (PLWH) face an increased risk of comorbidities associated with aging, chronic HIV, and the toxicity arising from long-term ART. A literature review was conducted to identify the most recent evidence documenting toxicities associated with long-term ART, particularly among aging PLWH. In general, PLWH are at a greater risk of developing fractures, osteoporosis, renal and metabolic disorders, central nervous system disorders, cardiovascular disease, and liver disease. There remains limited evidence describing the economic burden of long-term ART. Overall, an aging HIV population treated with long-term ART presents a scenario in which the clinical, humanistic, and economic burden for healthcare systems will demand thoughtful policy solutions that preserve access to treatment. Newer treatment regimens with fewer drugs may mitigate some of the cumulative toxicity burden of long-term ART. Funding: ViiV Healthcare.
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Abstract
PURPOSE OF REVIEW In the era of effective antiretroviral therapy, HIV-positive patients experience an increase in non-AIDS associated comorbidities. Causes of death are now more frequently associated with ageing and smoking; alcohol and drug use are strongly linked to many of these causes. RECENT FINDINGS An almost equal life expectancy among HIV-positive people compared with HIV-negative population has been recently reported. However, life expectancy is reduced among HIV-positive smokers by at least 16 years and further reduced for people who have a history of excessive alcohol and drug use. Cohort studies report between a 1.5- and two-fold or greater increased mortality risk as a result of smoking. In a Danish population study, 61% of deaths in HIV-positive people were associated with smoking. Excessive alcohol and drug use are also elevated among specific HIV subpopulations and significantly impact morbidity and mortality. In the Veteran Affairs cohort study, moderate and excessive alcohol use increased mortality by 25-35% compared with low alcohol use. SUMMARY Despite the effective therapy, smoking, alcohol and drug use have a significant role in increased mortality and reduced life expectancy among HIV-positive people. These factors need to be in continued focus for the management and care of HIV-positive people.
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Gross AM, Jaeger PA, Kreisberg JF, Licon K, Jepsen KL, Khosroheidari M, Morsey BM, Swindells S, Shen H, Ng CT, Flagg K, Chen D, Zhang K, Fox HS, Ideker T. Methylome-wide Analysis of Chronic HIV Infection Reveals Five-Year Increase in Biological Age and Epigenetic Targeting of HLA. Mol Cell 2017; 62:157-168. [PMID: 27105112 DOI: 10.1016/j.molcel.2016.03.019] [Citation(s) in RCA: 214] [Impact Index Per Article: 30.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2015] [Revised: 12/29/2015] [Accepted: 03/16/2016] [Indexed: 12/31/2022]
Abstract
HIV-infected individuals are living longer on antiretroviral therapy, but many patients display signs that in some ways resemble premature aging. To investigate and quantify the impact of chronic HIV infection on aging, we report a global analysis of the whole-blood DNA methylomes of 137 HIV+ individuals under sustained therapy along with 44 matched HIV- individuals. First, we develop and validate epigenetic models of aging that are independent of blood cell composition. Using these models, we find that both chronic and recent HIV infection lead to an average aging advancement of 4.9 years, increasing expected mortality risk by 19%. In addition, sustained infection results in global deregulation of the methylome across >80,000 CpGs and specific hypomethylation of the region encoding the human leukocyte antigen locus (HLA). We find that decreased HLA methylation is predictive of lower CD4 / CD8 T cell ratio, linking molecular aging, epigenetic regulation, and disease progression.
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Affiliation(s)
- Andrew M Gross
- Bioinformatics and Systems Biology Program, University of California, San Diego, La Jolla, CA 92093, USA; Department of Medicine, University of California, San Diego, La Jolla, CA 92093, USA
| | - Philipp A Jaeger
- Department of Medicine, University of California, San Diego, La Jolla, CA 92093, USA
| | - Jason F Kreisberg
- Department of Medicine, University of California, San Diego, La Jolla, CA 92093, USA
| | - Katherine Licon
- Department of Medicine, University of California, San Diego, La Jolla, CA 92093, USA
| | - Kristen L Jepsen
- Institute for Genomic Medicine, University of California, San Diego, La Jolla, CA 92093, USA
| | - Mahdieh Khosroheidari
- Institute for Genomic Medicine, University of California, San Diego, La Jolla, CA 92093, USA
| | - Brenda M Morsey
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE 68198, USA
| | - Susan Swindells
- Department of Internal Medicine, University of Nebraska Medical Center, Omaha, NE 68198, USA
| | - Hui Shen
- Van Andel Research Institute, Grand Rapids, MI 49503, USA
| | - Cherie T Ng
- aTyr Pharmaceuticals, San Diego, CA 92121, USA
| | - Ken Flagg
- Institute for Genomic Medicine, University of California, San Diego, La Jolla, CA 92093, USA; Department of Ophthalmology and Biomaterials and Tissue Engineering Center, Institute for Engineering in Medicine, University of California, San Diego, La Jolla, CA 92093, USA; Guangzhou Kang Rui Biological Pharmaceutical Technology Company Ltd., Guangzhou 510005, China
| | - Daniel Chen
- Institute for Genomic Medicine, University of California, San Diego, La Jolla, CA 92093, USA; Department of Ophthalmology and Biomaterials and Tissue Engineering Center, Institute for Engineering in Medicine, University of California, San Diego, La Jolla, CA 92093, USA
| | - Kang Zhang
- Institute for Genomic Medicine, University of California, San Diego, La Jolla, CA 92093, USA; Department of Ophthalmology and Biomaterials and Tissue Engineering Center, Institute for Engineering in Medicine, University of California, San Diego, La Jolla, CA 92093, USA; Veterans Administration Healthcare System, San Diego, CA 92093, USA; Moores Cancer Center, University of California, San Diego, La Jolla, CA 92093, USA
| | - Howard S Fox
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE 68198, USA.
| | - Trey Ideker
- Bioinformatics and Systems Biology Program, University of California, San Diego, La Jolla, CA 92093, USA; Department of Medicine, University of California, San Diego, La Jolla, CA 92093, USA; Institute for Genomic Medicine, University of California, San Diego, La Jolla, CA 92093, USA; Moores Cancer Center, University of California, San Diego, La Jolla, CA 92093, USA.
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Brief Report: Factors Associated With the Selection of Initial Antiretroviral Therapy From 2009 to 2012. J Acquir Immune Defic Syndr 2017; 74:60-64. [PMID: 27552153 DOI: 10.1097/qai.0000000000001168] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
We examined factors associated with selection of initial antiretroviral regimen in the CNICS cohort. Patients initiating antiretroviral therapy between July 2009 and December 2012 were classified as receiving a nonnucleoside reverse transcriptase inhibitor (NNRTI)-, boosted protease inhibitor (PI)-, or raltegravir-based regimen. Among 873 patients initiating antiretroviral therapy, 488 regimens contained an NNRTI, 319 a boosted PI, and 66 raltegravir. Patients with depression and women were less likely to receive an NNRTI, whereas those with underlying cardiovascular disease, liver disease, and those coinfected with hepatitis C were more likely to receive raltegravir. Those with baseline viral load >100,000 c/ml and those with substance use were more likely to receive a boosted PI. Thus, in the "real world," ARV regimen choices appear to take into account adverse effects and patient baseline characteristics. Factors that impact initial regimen selection will likely become more heterogeneous over time as more choices for HIV therapy become available.
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Mouton JP, Cohen K, Maartens G. Key toxicity issues with the WHO-recommended first-line antiretroviral therapy regimen. Expert Rev Clin Pharmacol 2016; 9:1493-1503. [PMID: 27498720 DOI: 10.1080/17512433.2016.1221760] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
INTRODUCTION WHO recommends tenofovir, efavirenz, and lamivudine or emtricitabine for first-line antiretroviral therapy (ART) in adults, which replaced more toxic regimens using stavudine, zidovudine or nevirapine. Areas covered: We searched Pubmed to identify observational studies and randomized controlled trials reporting toxicity of these antiretrovirals published between 2011 and 2016, and hand-searched abstracts presented at major HIV conferences in 2015 and 2016, focusing on data from sub-Saharan Africa. Tenofovir's nephrotoxicity manifests as mild renal tubular dysfunction (common and of uncertain clinical significance), acute kidney injury (rare), and chronic declining glomerular filtration rate (common). African studies, which include high proportions of patients with renal dysfunction from opportunistic diseases, report population improvement in renal function after starting tenofovir-based ART. Tenofovir modestly decreases bone mineral density, and there is emerging data that this increases fracture risk. Efavirenz commonly causes early self-limiting neuropsychiatric toxicity and hypersensitivity rashes. Recent studies have highlighted its long-term neuropsychiatric effects, notably suicidality and neurocognitive impairment, and metabolic toxicities (dyslipidemia, dysglycemia, and lipoatrophy). We point out the challenges clinicians face in the recognition and attribution of adverse drug reactions. Expert commentary: Tenofovir and efavirenz are generally well tolerated, but both are associated with potentially serious toxicities. Pharmacovigilance systems in resource-limited settings with high HIV burden should be strengthened.
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Affiliation(s)
- Johannes P Mouton
- a Division of Clinical Pharmacology, Department of Medicine , University of Cape Town , Cape Town , South Africa
| | - Karen Cohen
- a Division of Clinical Pharmacology, Department of Medicine , University of Cape Town , Cape Town , South Africa
| | - Gary Maartens
- a Division of Clinical Pharmacology, Department of Medicine , University of Cape Town , Cape Town , South Africa
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Use of antiretroviral therapy and risk of end-stage liver disease and hepatocellular carcinoma in HIV-positive persons. AIDS 2016; 30:1731-43. [PMID: 26752282 DOI: 10.1097/qad.0000000000001018] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
OBJECTIVES Although several antiretroviral drugs, including the d-drugs stavudine (d4T) and didanosine (ddI), may cause biomarker-defined hepatotoxicity, their association with clinically defined end-stage liver disease (ESLD) and hepatocellular carcinoma (HCC) remains unknown. DESIGN Prospective cohort study. METHODS Data collection on adverse events of anti-HIV drugs study (D:A:D) participants were followed until the first of ESLD (variceal bleeding, hepatic encephalopathy, hepatorenal syndrome or liver transplantation), HCC (histology or α-fetoprotein along with imaging), death, 6 months after last visit or 1 February 2014. Associations between ESLD/HCC and cumulative use of individual antiretrovirals were investigated using Poisson regression adjusting for potential confounders. RESULTS During a median follow-up of 8.4 years, 319 ESLD/HCC cases occurred [incidence 1.01/1000 person-years (95% confidence interval 0.90-1.12)] with a 1-year mortality rate of 62.6%. After adjustment, cumulative (per 5 years) exposure to d4T [relative rate 1.46 (95% confidence interval 1.20-1.77)], ddI [1.32 (1.07-1.63)], tenofovir [TDF, 1.46 (1.11-1.93)] and (fos)amprenavir [APV; 1.47 (1.01-2.15)] was associated with increased ESLD/HCC rates. Longer exposure to emtricitabine [0.51 (0.32-0.83)] and nevirapine [0.76 (0.58-0.98)] were associated with lower ESLD/HCC rates. The ddI/d4T-associated increased ESLD/HCC rate only started to decline 6 years after cessation. CONCLUSION Cumulative use of d4T, ddI, TDF and APV were independently associated with increased ESLD/HCC rates, and intensified monitoring of liver function should hence be considered among all individuals exposed for longer time periods. The use of d-drugs should furthermore be avoided, where there are alternatives available, and focus should be put on those with longer-term d-drugs exposure who remain at increased ESLD/HCC risk. The unexpected, and viral hepatitis-independent, TDF association calls for further investigations.
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Liver involvement in human immunodeficiency virus infection. Indian J Gastroenterol 2016; 35:260-73. [PMID: 27256434 DOI: 10.1007/s12664-016-0666-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/18/2016] [Accepted: 05/01/2016] [Indexed: 02/04/2023]
Abstract
The advances in management of patients with acquired immunodeficiency syndrome (AIDS) with highly effective anti-retroviral therapy (HAART) have resulted in increased longevity of patients with human immunodeficiency virus (HIV) infection. AIDS-related illnesses now account for less than 50 % of the deaths, and liver diseases have emerged as the leading cause of death in patients with HIV infection. Chronic viral hepatitis, drug-related hepatotoxicity, non-alcoholic fatty liver disease, and opportunistic infections are the common liver diseases that are seen in HIV-infected individuals. Because of the shared routes of transmission, co-infections with hepatitis B virus (HBV) and hepatitis C virus (HCV) are very common in HIV-infected persons. Hepatitis C is the most common viral hepatitis seen in HIV-infected patients. With the availability of directly acting agents, treatment outcome of HCV is comparable to that seen in non HIV-infected patients. Careful monitoring is required for drug interactions and drug-induced hepatotoxicity and modification of drugs should be done where necessary. The results of liver transplantation in select HIV-infected patients can be comparable with those of HIV-negative patients.
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Xia J, Inagaki Y, Song P, Sawakami T, Kokudo N, Hasegawa K, Sakamoto Y, Tang W. Advance in studies on traditional Chinese medicines to treat infection with the hepatitis B virus and hepatitis C virus. Biosci Trends 2016; 10:327-336. [PMID: 27350107 DOI: 10.5582/bst.2016.01110] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Traditional Chinese medicine (TCM), as a type of complementary and alternative medicine (CAM), is a sophisticated and time-honored form of healthcare in China. Many TCMs are widely used to treat hepatitis B and hepatitis C in countries like China, Japan, and South Korea. Since conventional clinical preparations like interferon-α cause obvious dose-dependent adverse reactions and drug resistance, TCMs and related bioactive compounds have garnered increasing attention from physicians and medical researchers. Thus far, a number of TCMs and compounds have been used to inhibit the hepatitis B virus (HBV) or hepatitis C virus (HCV) in vitro, in vivo, and even in clinical trials. The current review summarizes TCMs and related compounds that have been used to inhibit HBV or HCV. Most of these medicines are derived from herbs. HepG2.2.15 cells have been used to study HBV in vitro and Huh7.5 cells have been similarly used to study HCV. Ducks have been used to study the anti-HBV effect of new medication in vivo, but there are few animal models for anti-HCV research at the present time. Thus far, a number of preclinical studies have been conducted but few clinical trials have been conducted. In addition, a few chemically modified compounds have displayed greater efficacy than natural products. However, advances in TCM research are hampered by mechanisms of action of many bioactive compounds that have yet to be identified. In short, TCMs and related active compounds are a CAM that could be used to treat HBV and HCV infections.
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Affiliation(s)
- Jufeng Xia
- Hepato-Biliary-Pancreatic Surgery Division, Department of Surgery, Graduate School of Medicine, The University of Tokyo
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Lucas CGDO, Matassoli FL, Peçanha LMT, Santillo BT, Oliveira LMDS, Oshiro TM, Marques ETDA, Oxenius A, de Arruda LB. Dendritic cells primed with a chimeric plasmid containing HIV-1-gag associated with lysosomal-associated protein-1 (LAMP/gag) is a potential therapeutic vaccine against HIV. FASEB J 2016; 30:2970-84. [PMID: 27199296 DOI: 10.1096/fj.201500059] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2015] [Accepted: 05/02/2016] [Indexed: 11/11/2022]
Abstract
The decline in number and function of T cells is a hallmark of HIV infection, and preservation or restoration of HIV-specific cellular immune response is a major goal of AIDS treatment. Dendritic cells (DCs) play a key role in the initiation and maintenance of the immune response, and their use as a vaccine vehicle is a promising strategy for enhancing vaccine efficacy. We evaluated the potential of DC-mediated immunization with a DNA vaccine consisting of HIV-1-p55gag (gag, group-specific antigen) associated to lysosomal associated protein (LAMP) sequence (LAMP/gag vaccine). Immunization of mice with mouse DCs transfected with LAMP/gag (Lg-mDCs) stimulated more potent B- and T-cell responses than naked DNA or DCs pulsed with inactivated HIV. Anti-Gag antibody levels were sustained for at least 3 mo after immunization, and recall T-cell responses were also strongly detected at this time point. Human DCs transfected with LAMP/gag (Lg-hDCs) were also activated and able to stimulate greater T-cell response than native gag-transfected DCs. Coculture between Lg-hDCs and T lymphocytes obtained from patients with HIV resulted in upregulation of CD38, CD69, HLA-DR, and granzyme B by CD4(+) and CD8(+) T cells, and increased IFN-γ and TNF-α production. These results indicate that the use of LAMP/gag-DC may be an efficient strategy for enhancing immune function in patients with HIV.-Lucas, C. G. D. O., Matassoli, F. L., Peçanha, L. M. T., Santillo, B. T., Oliveira, L. M. D. S., Oshiro, T. M., Marques, E. T. D. A., Jr., Oxenius, A., de Arruda, L. B. Dendritic cells primed with a chimeric plasmid containing HIV-1-gag associated with lysosomal-associated protein-1 (LAMP/gag) is a potential therapeutic vaccine against HIV.
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Affiliation(s)
- Carolina G D O Lucas
- Departamento de Virologia, Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Flavio L Matassoli
- Departamento de Virologia, Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Ligia M T Peçanha
- Departamento de Imunologia, Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brasil
| | - Bruna Tereso Santillo
- Laboratório de Dermatologia e Imunodeficiências (LIM-56), Departamento de Dermatologia, Escola de Medicina, Universidade de São Paulo, São Paulo, Brazil; Institute of Microbiology, Swiss Federal Institute of Technology, Zurich, Switzerland
| | - Luanda Mara da Silva Oliveira
- Laboratório de Dermatologia e Imunodeficiências (LIM-56), Departamento de Dermatologia, Escola de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | - Telma Miyuki Oshiro
- Laboratório de Dermatologia e Imunodeficiências (LIM-56), Departamento de Dermatologia, Escola de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | - Ernesto T D A Marques
- Department of Infectious Diseases and Microbiology, Center for Vaccine Research, Pittsburgh, Pennsylvania, USA; and Department of Virology, Centro de Pesquisas Aggeu Magalhães (CPqAM), Fundação Oswaldo Cruz (Fiocruz)-Pernambuco, Recife, Brazil
| | - Annette Oxenius
- Institute of Microbiology, Swiss Federal Institute of Technology, Zurich, Switzerland
| | - Luciana B de Arruda
- Departamento de Virologia, Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil;
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Kovari H, Sabin CA, Ledergerber B, Ryom L, Reiss P, Law M, Pradier C, Dabis F, d'Arminio Monforte A, Smith C, de Wit S, Kirk O, Lundgren JD, Weber R. Antiretroviral Drugs and Risk of Chronic Alanine Aminotransferase Elevation in Human Immunodeficiency Virus (HIV)-Monoinfected Persons: The Data Collection on Adverse Events of Anti-HIV Drugs Study. Open Forum Infect Dis 2016; 3:ofw009. [PMID: 26925429 PMCID: PMC4767274 DOI: 10.1093/ofid/ofw009] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2015] [Accepted: 01/11/2016] [Indexed: 12/13/2022] Open
Abstract
Background. Although human immunodeficiency virus (HIV)-positive persons on antiretroviral therapy (ART) frequently have chronic liver enzyme elevation (cLEE), the underlying cause is often unclear. Methods. Data Collection on Adverse Events of Anti-HIV Drugs (D:A:D) Study participants without chronic viral hepatitis were observed to the earliest of cLEE (elevated aminotransferase ≥6 months), death, last follow-up, or January 2, 2014. Antiretroviral treatment exposure was categorized as follows: no exposure and ongoing short- and long-term exposure (<2 or ≥2 years) after initiation. Association between development of cLEE and ART exposure was investigated using Poisson regression. Results. Among 21 485 participants observed for 105 413 person-years (PY), 6368 developed cLEE (incidence 6.04/100 PY; 95% confidence interval [CI], 5.89–6.19). Chronic liver enzyme elevation was associated with short-and long-term exposure to didanosine (<2 years rate ratio [RR] = 1.29, 95% CI, 1.11–1.49; >2 years RR = 1.26, 95% CI, 1.13–1.41); stavudine (<2 years RR = 1.51, 95% CI, 1.26–1.81; >2 years RR = 1.17, 95% CI, 1.03–1.32), and tenofovir disoproxil fumarate (<2 years RR = 1.55, 95% CI, 1.40–1.72; >2 years RR = 1.18, 95% CI, 1.05–1.32), but only short-term exposure to nevirapine (<2 years RR = 1.44, 95% CI, 1.29–1.61), efavirenz (<2 years RR = 1.14, 95% CI, 1.03–1.26), emtricitabine (<2 years RR = 1.18, 95% CI, 1.04–1.33), and atazanavir (<2 years RR = 1.20, 95% CI, 1.04–1.38). Chronic liver enzyme elevation was not associated with use of lamivudine, abacavir, and other protease inhibitors. Mortality did not differ between participants with and without cLEE. Conclusions. Although didanosine, stavudine, nevirapine, and efavirenz have been described to be hepatotoxic, we additionally observed a consistent association between tenofovir and cLEE emerging within the first 2 years after drug initiation. This novel tenofovir-cLEE signal should be further investigated.
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Affiliation(s)
- Helen Kovari
- Division of Infectious Diseases and Hospital Epidemiology , University Hospital Zurich , Switzerland
| | - Caroline A Sabin
- Research Department of Infection and Population Health , University College London , United Kingdom
| | - Bruno Ledergerber
- Division of Infectious Diseases and Hospital Epidemiology , University Hospital Zurich , Switzerland
| | - Lene Ryom
- CHIP, Department of Infectious Diseases , Rigshospitalet, University of Copenhagen , København , Denmark
| | - Peter Reiss
- Division of Infectious Diseases and Department of Global Health , Academic Medical Center, University of Amsterdam , Netherlands
| | - Matthew Law
- The Kirby Institute for Infection and Immunity in Society , University of New South Wales , Sydney , Australia
| | | | - Francois Dabis
- Université Bordeaux, ISPED, Centre INSERM U897-Epidémiologie-Biostatistique France
| | | | - Colette Smith
- Research Department of Infection and Population Health , University College London , United Kingdom
| | - Stephane de Wit
- Department of Infectious Diseases , St. Pierre University Hospital , Brussels , Belgium
| | - Ole Kirk
- CHIP, Department of Infectious Diseases , Rigshospitalet, University of Copenhagen , København , Denmark
| | - Jens D Lundgren
- CHIP, Department of Infectious Diseases , Rigshospitalet, University of Copenhagen , København , Denmark
| | - Rainer Weber
- Division of Infectious Diseases and Hospital Epidemiology , University Hospital Zurich , Switzerland
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Karageorgopoulos DE, Allen J, Bhagani S. Hepatitis C in human immunodeficiency virus co-infected individuals: Is this still a "special population"? World J Hepatol 2015; 7:1936-52. [PMID: 26244068 PMCID: PMC4517153 DOI: 10.4254/wjh.v7.i15.1936] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/11/2015] [Revised: 06/24/2015] [Accepted: 07/21/2015] [Indexed: 02/06/2023] Open
Abstract
A substantial proportion of individuals with chronic hepatitis C virus (HCV) are co-infected with human immunodeficiency virus (HIV). Co-infected individuals are traditionally considered as one of the "special populations" amongst those with chronic HCV, mainly because of faster progression to end-stage liver disease and suboptimal responses to treatment with pegylated interferon alpha and ribavirin, the benefits of which are often outweighed by toxicity. The advent of the newer direct acting antivirals (DAAs) has given hope that the majority of co-infected individuals can clear HCV. However the "special population" designation may prove an obstacle for those with co-infection to gain access to the new agents, in terms of requirement for separate pre-licensing clinical trials and extensive drug-drug interaction studies. We review the global epidemiology, natural history and pathogenesis of chronic hepatitis C in HIV co-infection. The accelerated course of chronic hepatitis C in HIV co-infection is not adequately offset by successful combination antiretroviral therapy. We also review the treatment trials of chronic hepatitis C in HIV co-infected individuals with DAAs and compare them to trials in the HCV mono-infected. There is convincing evidence that HIV co-infection no longer diminishes the response to treatment against HCV in the new era of DAA-based therapy. The management of HCV co-infection should therefore become a priority in the care of HIV infected individuals, along with public health efforts to prevent new HCV infections, focusing particularly on specific patient groups at risk, such as men who have sex with men and injecting drug users.
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Affiliation(s)
- Drosos E Karageorgopoulos
- Drosos E Karageorgopoulos, Joanna Allen, Sanjay Bhagani, Department of Infectious Diseases/HIV Medicine, Royal Free London NHS Foundation Trust, London NW3 2QG, United Kingdom
| | - Joanna Allen
- Drosos E Karageorgopoulos, Joanna Allen, Sanjay Bhagani, Department of Infectious Diseases/HIV Medicine, Royal Free London NHS Foundation Trust, London NW3 2QG, United Kingdom
| | - Sanjay Bhagani
- Drosos E Karageorgopoulos, Joanna Allen, Sanjay Bhagani, Department of Infectious Diseases/HIV Medicine, Royal Free London NHS Foundation Trust, London NW3 2QG, United Kingdom
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Hilgenfeldt EG, Schlachterman A, Firpi RJ. Hepatitis C: Treatment of difficult to treat patients. World J Hepatol 2015; 7:1953-63. [PMID: 26244069 PMCID: PMC4517154 DOI: 10.4254/wjh.v7.i15.1953] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/23/2014] [Revised: 05/29/2015] [Accepted: 07/16/2015] [Indexed: 02/06/2023] Open
Abstract
Over the past several years, more so recently, treatment options for hepatitis C virus (HCV) have seemed to exponentially grow. Up until recently, the regimen of pegylated interferon (peg-IFN) and ribavirin (RBV) stood as the standard of care. Direct acting antivirals, which target nonstructural proteins involved in replication and infection of HCV were first approved in 2011 as an addition to the peg-IFN and RBV regimen and with them have come increased sustained virological response rates (SVR). The previously reported 50%-70% SVR rates using the combination of peg-IFN and RBV are no longer the standard of care with direct acting antiviral (DAA) based regimens now achieving SVR of 70%-90%. Peg-IFN free as well as "all oral" regimens are also available. The current randomized controlled trials available show favorable SVRs in patients who are naive to treatment, non-cirrhotic, and not human immunodeficiency virus (HIV)-co-infected. What about patients who do not fit into these categories? In this review, we aim to discuss the currently approved and soon to be approved DAAs while focusing on their roles in patients that are treatment experienced, cirrhotic, or co-infected with HIV. In this discussion, review of the clinical trials leading to recent consensus guidelines as well as discussion of barriers to treatment will occur. A case will attempt will be made that social services, including financial support and drug/alcohol treatment, should be provided to all HCV infected patients to improve chances of cure and thus prevention of late stage sequela.
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Affiliation(s)
- Eric G Hilgenfeldt
- Eric G Hilgenfeldt, Department of Internal Medicine, University of Florida College of Medicine, Gainesville, FL 32610, United States
| | - Alex Schlachterman
- Eric G Hilgenfeldt, Department of Internal Medicine, University of Florida College of Medicine, Gainesville, FL 32610, United States
| | - Roberto J Firpi
- Eric G Hilgenfeldt, Department of Internal Medicine, University of Florida College of Medicine, Gainesville, FL 32610, United States
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Hasse B, Tarr PE, Marques-Vidal P, Waeber G, Preisig M, Mooser V, Valeri F, Djalali S, Andri R, Bernasconi E, Calmy A, Cavassini M, Vernazza P, Battegay M, Weber R, Senn O, Vollenweider P, Ledergerber B, Aubert V, Barth J, Battegay M, Bernasconi E, Böni J, Bucher HC, Burton-Jeangros C, Calmy A, Cavassini M, Egger M, Elzi L, Fehr J, Fellay J, Furrer H, Fux CA, Gorgievski M, Günthard H, Haerry D, Hasse B, Hirsch HH, Hösli I, Kahlert C, Kaiser L, Keiser O, Klimkait T, Kouyos R, Kovari H, Ledergerber B, Martinetti G, Martinez de Tejada B, Metzner K, Müller N, Nadal D, Pantaleo G, Rauch A, Regenass S, Rickenbach M, Rudin C, Schöni-Affolter F, Schmid P, Schultze D, Schüpbach J, Speck R, Staehelin C, Tarr P, Telenti A, Trkola A, Vernazza P, Weber R, Yerly S, Jean-Michel A, Murielle B, Jean Michel G, Christoph H, Thomas L, Pedro MV, Vincent M, Fred P, Martin P, Peter V, Roland VK, Aidacic V, Gerard W, Jürg B, Markus B, Heinz B, Martin B, Hans-Ulrich B, Ivo B, Reto C, Isabelle C, Corinne C, Sima D, Peter D, Simone E, Andrea F, Markus F, Claudius F, Jakob F, Ali GM, Matthias G, Denis H, Marcel H, Walter H, Simon H, Felix H, Paul H, Eva K, Vladimir K, Daniel K, Stephan K, Beat K, Benedict K, Heidi K, Vesna L, Giovanni L, Werner LH, Phillippe L, Severin L, Christoph M, Jürgen M, Damian M, Werner M, Titus M, Valentina N, Jakob R, Thomas R, Hana S, Frank S, Georg S, Oliver S, Pietro S, Jacques S, Alfred S, Alois S, Claudia S, Othmar S, Phuoc TT, Marco V, Alessandro V, René VA, Hans W, Fritz W, Johanna WS, Joseph W, Marco Z. Strong Impact of Smoking on Multimorbidity and Cardiovascular Risk Among Human Immunodeficiency Virus-Infected Individuals in Comparison With the General Population. Open Forum Infect Dis 2015; 2:ofv108. [PMID: 26284258 PMCID: PMC4536331 DOI: 10.1093/ofid/ofv108] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2015] [Accepted: 07/05/2015] [Indexed: 01/12/2023] Open
Abstract
AIDS-associated morbidity has diminished due to excellent viral control. Multimorbidity are more prevalent and incident in Swiss HIV-positive persons compared to HIV-negative controls. However, smoking, but not HIV status, had a strong impact on cardiovascular risk and multimorbidity. Background. Although acquired immune deficiency syndrome-associated morbidity has diminished due to excellent viral control, multimorbidity may be increasing among human immunodeficiency virus (HIV)-infected persons compared with the general population. Methods. We assessed the prevalence of comorbidities and multimorbidity in participants of the Swiss HIV Cohort Study (SHCS) compared with the population-based CoLaus study and the primary care-based FIRE (Family Medicine ICPC-Research using Electronic Medical Records) records. The incidence of the respective endpoints were assessed among SHCS and CoLaus participants. Poisson regression models were adjusted for age, sex, body mass index, and smoking. Results. Overall, 74 291 participants contributed data to prevalence analyses (3230 HIV-infected; 71 061 controls). In CoLaus, FIRE, and SHCS, multimorbidity was present among 26%, 13%, and 27% of participants. Compared with nonsmoking individuals from CoLaus, the incidence of cardiovascular disease was elevated among smoking individuals but independent of HIV status (HIV-negative smoking: incidence rate ratio [IRR] = 1.7, 95% confidence interval [CI] = 1.2–2.5; HIV-positive smoking: IRR = 1.7, 95% CI = 1.1–2.6; HIV-positive nonsmoking: IRR = 0.79, 95% CI = 0.44–1.4). Compared with nonsmoking HIV-negative persons, multivariable Poisson regression identified associations of HIV infection with hypertension (nonsmoking: IRR = 1.9, 95% CI = 1.5–2.4; smoking: IRR = 2.0, 95% CI = 1.6–2.4), kidney (nonsmoking: IRR = 2.7, 95% CI = 1.9–3.8; smoking: IRR = 2.6, 95% CI = 1.9–3.6), and liver disease (nonsmoking: IRR = 1.8, 95% CI = 1.4–2.4; smoking: IRR = 1.7, 95% CI = 1.4–2.2). No evidence was found for an association of HIV-infection or smoking with diabetes mellitus. Conclusions. Multimorbidity is more prevalent and incident in HIV-positive compared with HIV-negative individuals. Smoking, but not HIV status, has a strong impact on cardiovascular risk and multimorbidity.
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Affiliation(s)
- Barbara Hasse
- Division of Infectious Diseases and Hospital Epidemiology , University of Zurich, University Hospital Zurich
| | - Philip E Tarr
- Division of Infectious Diseases and Hospital Epidemiology , Kantonsspital Baselland Bruderholz, University of Basel , Bruderholz
| | | | | | | | - Vincent Mooser
- Pathology and Laboratory Medicine , Lausanne University Hospital (Centre Hospitalier Universitaire Vaudois)
| | - Fabio Valeri
- Institute of Primary Care, University of Zurich, University Hospital Zurich
| | - Sima Djalali
- Institute of Primary Care, University of Zurich, University Hospital Zurich
| | - Rauch Andri
- Division of Infectious Diseases and Hospital Epidemiology , University and Inselspital Berne
| | - Enos Bernasconi
- Division of Infectious Diseases , Regional Hospital , Lugano
| | - Alexandra Calmy
- Division of Infectious Diseases , University Hospital Geneva
| | - Matthias Cavassini
- Division of Infectious Diseases , Centre Hospitalier Universitaire Vaudois and University of Lausanne
| | - Pietro Vernazza
- Division of Infectious Diseases and Hospital Epidemiology , Cantonal Hospital , St. Gallen
| | - Manuel Battegay
- Division of Infectious Diseases and Hospital Epidemiology , University Hospital Basel , Switzerland
| | - Rainer Weber
- Division of Infectious Diseases and Hospital Epidemiology , University of Zurich, University Hospital Zurich
| | - Oliver Senn
- Institute of Primary Care, University of Zurich, University Hospital Zurich
| | | | - Bruno Ledergerber
- Division of Infectious Diseases and Hospital Epidemiology , University of Zurich, University Hospital Zurich
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Morse CG, McLaughlin M, Matthews L, Proschan M, Thomas F, Gharib AM, Abu-Asab M, Orenstein A, Engle RE, Hu X, Lempicki R, Hadigan C, Kleiner DE, Heller T, Kovacs JA. Nonalcoholic Steatohepatitis and Hepatic Fibrosis in HIV-1-Monoinfected Adults With Elevated Aminotransferase Levels on Antiretroviral Therapy. Clin Infect Dis 2015; 60:1569-78. [PMID: 25681381 PMCID: PMC4425826 DOI: 10.1093/cid/civ101] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2014] [Accepted: 01/13/2015] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Persistent aminotransferase elevations are common in human immunodeficiency virus (HIV)-infected patients on antiretroviral therapy (ART), including those without hepatitis B or C coinfection, but their clinical significance is unknown. METHODS HIV-infected adults with aminotransferase levels elevated above the upper limit of normal for ≥6 months while receiving ART, and without chronic viral hepatitis or other known causes of chronic liver disease, underwent a detailed metabolic assessment and liver biopsy. RESULTS Sixty-two HIV-infected subjects completed the study. Forty (65%) had clinically significant liver pathology, including 34 (55%) with nonalcoholic steatohepatitis (NASH) and 11 (18%) with bridging fibrosis, 10 of whom also had NASH. Nonspecific abnormalities alone were seen in 22 (35%) subjects, including mild steatosis, mild to moderate inflammation, and evidence of drug adaptation. Insulin resistance, obesity, and the presence of either of 2 minor alleles in the PNPLA3 gene were significantly associated with increased risk of NASH and fibrosis. NASH and/or fibrosis were not associated with duration of HIV infection or ART, specific antiretroviral drugs, history of opportunistic infection, immune status, or duration of aminotransferase elevation. CONCLUSIONS HIV-infected adults with chronic aminotransferase elevations while receiving ART have a high rate of liver disease. Noninvasive testing can help identify liver disease in such patients, but liver biopsy is necessary to definitively identify those at risk for liver disease progression and complications. Longitudinal follow-up of this cohort will better characterize the natural history of aminotransferase elevations in this population and identify noninvasive biomarkers of liver disease progression.
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Affiliation(s)
- Caryn G. Morse
- Critical Care Medicine Department, AIDS Section, National Institutes of Health (NIH) Clinical Center
| | | | - Lindsay Matthews
- Critical Care Medicine Department, AIDS Section, National Institutes of Health (NIH) Clinical Center
| | - Michael Proschan
- Biostatistics Research Branch, National Institute of Allergy and Infectious Diseases (NIAID)
| | | | - Ahmed M. Gharib
- Biomedical and Metabolic Imaging Branch, National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
| | - Mones Abu-Asab
- Histology Core, National Eye Institute, Bethesda, Maryland
| | | | | | - Xiaojun Hu
- Leidos Biomedical Research, Inc, Frederick
| | | | | | | | - Theo Heller
- Liver Diseases Branch, NIDDK, Bethesda, Maryland
| | - Joseph A. Kovacs
- Critical Care Medicine Department, AIDS Section, National Institutes of Health (NIH) Clinical Center
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Dispelling myths and focusing on notable concepts in HIV pathogenesis. Trends Mol Med 2015; 21:341-53. [PMID: 25883070 DOI: 10.1016/j.molmed.2015.03.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2014] [Revised: 03/05/2015] [Accepted: 03/13/2015] [Indexed: 01/01/2023]
Abstract
Since the discovery of HIV over three decades ago, major efforts have been made to control and perhaps eliminate HIV infection worldwide. During these studies, certain myths or misconceptions about this infectious disease have been emphasized and other potentially beneficial concepts have received less attention. A true long-term solution to HIV infection merits an appreciation of alternative ideas and findings that could be beneficial in the ultimate control of HIV/AIDS. Here, I discuss six issues and call for more attention to the science of HIV and well-designed clinical trials.
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A new trend of genotype distribution of hepatitis B virus infection in southeast China (Fujian), 2006-2013. Epidemiol Infect 2015; 143:2822-6. [PMID: 25648505 DOI: 10.1017/s0950268815000059] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
HBV genotypes have specific geographical distributions and can serve as epidemiological markers. Accumulated data have shown that the major HBV genotypes in China are B and C. Here, the HBV genotypes were examined from 6817 blood samples, which were collected from patients with chronic HBV infection in Fujian Province during 2006-2013; genotype B was identified in 3384 patients (49·6%), while genotype C was identified in 3430 patients (50·3%). The percentage of patients infected with genotype C gradually increased with age from 39·5% (patients aged 50 years), reaching a peak of 67·3% in the 45-50 years age group. These results clearly demonstrate that the genotype distribution of HBV in Fujian Province has significantly changed in recent years with almost equal numbers of genotype B and genotype C infections existing in the entire patient population, while higher incidence of genotype C infection exists in older patients, but genotype B is no longer dominant in the Fujian area as previously reported.
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Singh G, Salkind AR, Kneepkens RF. Suitability of HIV-Infected Subjects for Insurance. J Insur Med 2015; 45:34-41. [PMID: 27584807 DOI: 10.17849/0743-6661-45.1.34] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Objectives .- To ascertain the suitability of HIV-positive individuals for insurance coverage based on international data and practices. Background .- During the first decade of HIV epidemic, diagnosis of HIV-infection carried a poor prognosis. Since the introduction of Highly Active Anti-Retroviral Therapy (HAART or ART), HIV infection is more like other chronic diseases with infected individuals often living 20 or more years after the diagnosis of HIV infection Methods .- Review of peer-reviewed publications was undertaken to assess the risk of death in the HIV-infected population as a whole as well as subsets with favorable outcomes and those with additional comorbidities, such as co-infection with hepatitis viruses and drug use. Results .- Review of literature revealed that in well-educated, non-drug using individuals, negative for hepatitis B and C infection, who had CD 4 counts above 500/cmm, viral loads below 500 particles/mL, and were compliant with treatment, the mortality rate was similar to that of general population. Conclusions .- The risk of death, in at least a subset of HIV-positive subjects, is low enough that insurance providers should consider stratifying HIV-infected individuals according to mortality risk and offering insurance rates comparable to people with other diseases with similar mortality risks.
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Noncommunicable diseases in HIV infection in low- and middle-income countries: gastrointestinal, hepatic, and nutritional aspects. J Acquir Immune Defic Syndr 2014; 67 Suppl 1:S79-86. [PMID: 25117963 DOI: 10.1097/qai.0000000000000260] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The purpose of this review was to outline the interaction between HIV and noncommunicable diseases affecting the gastrointestinal (GI) tract, liver, and nutritional disorders in low- and middle-income countries (LMICs), and to identify research priorities. Noncommunicable GI tract disorders are only moderately influenced by HIV, and peptic ulceration is actually less common. However, the impact of HIV on GI cancers needs further investigation. HIV interacts strongly with environmental enteropathy, exacerbating malabsorption of nutrients and drugs. HIV has 2 major effects on noncommunicable liver disease: drug-induced liver injury and nonalcoholic fatty liver disease (particularly in persons of African genetic descent). The effect of HIV on nutrition was one of the first markers of the epidemic in the 1980s, and HIV continues to have major nutritional consequences. Childhood malnutrition and HIV frequently coexist in some regions, for example, southern Africa, resulting in powerful negative interactions with poorer responses to standard nutritional rehabilitation. HIV and nutritional care need to be better integrated, but many questions on how best to do this remain unanswered. Across the spectrum of GI, hepatic, and nutritional disorders in HIV infection, there is increasing evidence that the microbiome may play an important role in disease pathogenesis, but work in this area, especially in low- and middle-income countries, is in its infancy.
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30
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Smith CJ, Ryom L, Weber R, Morlat P, Pradier C, Reiss P, Kowalska JD, de Wit S, Law M, el Sadr W, Kirk O, Friis-Moller N, Monforte AD, Phillips AN, Sabin CA, Lundgren JD. Trends in underlying causes of death in people with HIV from 1999 to 2011 (D:A:D): a multicohort collaboration. Lancet 2014; 384:241-8. [PMID: 25042234 DOI: 10.1016/s0140-6736(14)60604-8] [Citation(s) in RCA: 709] [Impact Index Per Article: 70.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
BACKGROUND With the advent of effective antiretroviral treatment, the life expectancy for people with HIV is now approaching that seen in the general population. Consequently, the relative importance of other traditionally non-AIDS-related morbidities has increased. We investigated trends over time in all-cause mortality and for specific causes of death in people with HIV from 1999 to 2011. METHODS Individuals from the Data collection on Adverse events of anti-HIV Drugs (D:A:D) study were followed up from March, 1999, until death, loss to follow-up, or Feb 1, 2011, whichever occurred first. The D:A:D study is a collaboration of 11 cohort studies following HIV-1-positive individuals receiving care at 212 clinics in Europe, USA, and Australia. All fatal events were centrally validated at the D:A:D coordinating centre using coding causes of death in HIV (CoDe) methodology. We calculated relative rates using Poisson regression. FINDINGS 3909 of the 49,731 D:A:D study participants died during the 308,719 person-years of follow-up (crude incidence mortality rate, 12.7 per 1000 person-years [95% CI 12.3-13.1]). Leading underlying causes were: AIDS-related (1123 [29%] deaths), non-AIDS-defining cancers (590 [15%] deaths), liver disease (515 [13%] deaths), and cardiovascular disease (436 [11%] deaths). Rates of all-cause death per 1000 person-years decreased from 17.5 in 1999-2000 to 9.1 in 2009-11; we saw similar decreases in death rates per 1000 person-years over the same period for AIDS-related deaths (5.9 to 2.0), deaths from liver disease (2.7 to 0.9), and cardiovascular disease deaths (1.8 to 0.9). However, non-AIDS cancers increased slightly from 1.6 per 1000 person-years in 1999-2000 to 2.1 in 2009-11 (p=0.58). After adjustment for factors that changed over time, including CD4 cell count, we detected no decreases in AIDS-related death rates (relative rate for 2009-11 vs 1999-2000: 0.92 [0.70-1.22]). However, all-cause (0.72 [0.61-0.83]), liver disease (0.48 [0.32-0.74]), and cardiovascular disease (0.33 [0.20-0.53) death rates still decreased over time. The percentage of all deaths that were AIDS-related (87/256 [34%] in 1999-2000 and 141/627 [22%] in 2009-11) and liver-related (40/256 [16%] in 1999-2000 and 64/627 [10%] in 2009-11) decreased over time, whereas non-AIDS cancers increased (24/256 [9%] in 1999-2000 to 142/627 [23%] in 2009-11). INTERPRETATION Recent reductions in rates of AIDS-related deaths are linked with continued improvement in CD4 cell count. We hypothesise that the substantially reduced rates of liver disease and cardiovascular disease deaths over time could be explained by improved use of non-HIV-specific preventive interventions. Non-AIDS cancer is now the leading non-AIDS cause and without any evidence of improvement. FUNDING Oversight Committee for the Evaluation of Metabolic Complications of HAART, with representatives from academia, patient community, US Food and Drug Administration, European Medicines Agency and consortium of AbbVie, Boehringer Ingelheim, Bristol-Myers Squibb, Gilead Sciences, ViiV Healthcare, Merck, Pfizer, F Hoffmann-La Roche, and Janssen Pharmaceuticals.
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Affiliation(s)
- Colette J Smith
- Research Department of Infection and Population Health, University College London, London, UK.
| | - Lene Ryom
- CHIP, Department of Infectious Diseases (2100), Rigshospitalet, University of Copenhagen, Denmark
| | - Rainer Weber
- Division of Infectious Diseases, University Hospital Zurich, University of Zurich, Zurich Switzerland
| | - Philippe Morlat
- Service de Medecine Intern et Maladies Infectieuses, CHU de Bordeaux, Universite Bordeaux Segalen, Bordeaux, France
| | | | - Peter Reiss
- Academic Medical Center, University of Amsterdam, and Stichting HIV Monitoring, Netherlands
| | - Justyna D Kowalska
- Department of Adult's Infectious Diseases, Medical University of Warsaw, Poland
| | - Stephane de Wit
- Department of Infectious Diseases, St Pierre University Hospital, Brussels, Belgium
| | - Matthew Law
- The Kirby Institute, University of New South Wales, Sydney, NSW, Australia
| | - Wafaa el Sadr
- Mailman School of Public Health, Columbia University, New York, USA
| | - Ole Kirk
- CHIP, Department of Infectious Diseases (2100), Rigshospitalet, University of Copenhagen, Denmark
| | - Nina Friis-Moller
- Department of Infectious Diseases, Odense University Hospital, Denmark
| | | | - Andrew N Phillips
- Research Department of Infection and Population Health, University College London, London, UK
| | - Caroline A Sabin
- Research Department of Infection and Population Health, University College London, London, UK
| | - Jens D Lundgren
- CHIP, Department of Infectious Diseases (2100), Rigshospitalet, University of Copenhagen, Denmark
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Relationship between CD4 cell count and serious long-term complications among HIV-positive individuals. Curr Opin HIV AIDS 2014; 9:63-71. [PMID: 24275674 DOI: 10.1097/coh.0000000000000017] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
PURPOSE OF REVIEW To summarize recent findings on the relationship between CD4 cell count metrics and selected serious clinical outcomes, and to deduce implications for CD4 cell count monitoring in treated HIV infection and the timing of combination antiretroviral therapy initiation. RECENT FINDINGS In treated HIV infection, a higher latest CD4 cell count is associated with a lower short-term risk of serious non-AIDS events (often composite endpoints) even in CD4 cell count strata more than 350/μl. Knowledge of alternate CD4 cell count metrics, such as CD4 cell count slope, nadir level and time spent under specific CD4 cell count thresholds, does not seem to confer additional prognostic information beyond that achieved by current CD4 cell count. Latest CD4 cell count is strongly associated with a short-term risk of infection-related non-AIDS malignancies, and serious hepatic events; however, the evidence is inconsistent for cardiovascular outcomes. Studies vary significantly in definitions of composite endpoints as well as the rigorousness of outcome ascertainment, which could explain the heterogeneity in results. SUMMARY Current CD4 cell count, but not other metrics, could be an important clinical tool to predict the short-term risk of serious non-AIDS events in treated HIV-positive individuals. An earlier initiation of therapy at CD4 cell count more than 350/μl or above 500/μl is likely to improve long-term CD4 cell count metrics. Whether it provides net individual clinical benefit requires a randomized trial.
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Community views: balancing the public health benefits of earlier antiretroviral treatment with the implications for individual patients - perspectives from the community. Curr Opin HIV AIDS 2014; 9:4-10. [PMID: 24247668 DOI: 10.1097/coh.0000000000000024] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
PURPOSE OF REVIEW When should people with HIV start treatment? This question is widely debated. The recent momentum to initiate treatment at a CD4 cell count above 350 cells/mm3 is driven by the potential population benefits of antiretroviral treatment reducing infectiousness together with operational concerns. These are important. However, we focus on the clinical benefits and risks for the person taking treatment, and how this may vary depending on the background health setting. RECENT FINDINGS We refer to the recent guideline changes and the limited evidence on which they are based. Many studies that have informed guideline changes reference plausible benefits, but have limited follow-up and are not designed to assess the potential risks. We note historical examples to show that expert opinion in the absence of data warrants caution. SUMMARY Results from well powered studies designed to look at the question of when to start treatment are essential for quantifying the benefits and risks of earlier treatment. Meanwhile, the decision of when to start must be taken by the HIV-positive person in consultation with their health worker based on accurate information. That choice will vary depending on a person's individual health, their reason to want to treat and the resources of the health-care facility.
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Association of alcohol consumption and HIV surrogate markers in participants of the swiss HIV cohort study. J Acquir Immune Defic Syndr 2014; 64:472-8. [PMID: 23892243 DOI: 10.1097/qai.0b013e3182a61ea9] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
BACKGROUND Alcohol consumption may affect the course of HIV infection and/or antiretroviral therapy (ART). The authors investigated the association between self-reported alcohol consumption and HIV surrogate markers in both treated and untreated individuals. DESIGN Prospective cohort study. METHODS Over a 7-year period, the authors analyzed 2 groups of individuals in the Swiss HIV Cohort Study: (1) ART-naïve individuals remaining off ART and (2) individuals initiating first ART. For individuals initiating first ART, time-dependent Cox proportional hazards models were used to assess the association between alcohol consumption, virological failure, and ART interruption. For both groups, trajectories of log-transformed CD4 cell counts were analyzed using linear mixed models with repeated measures. RESULTS The authors included 2982 individuals initiating first ART and 2085 ART naives. In individuals initiating first ART, 241 (8%) experienced virological failure. Alcohol consumption was not associated with virological failure. ART interruption was noted in 449 (15%) individuals and was more prevalent in severe compared with none/light health risk drinkers [hazard ratio: 2.24, 95% confidence interval: 1.42 to 3.52]. The association remained significant even after adjusting for nonadherence. The authors did not find an association between alcohol consumption and change in CD4 cell count over time in either group. CONCLUSIONS No effect of alcohol consumption on either virological failure or CD4 cell count in both groups of ART-initiating and ART-naive individuals was found. However, severe drinkers were more likely to interrupt ART. Efforts on ART continuation should be especially implemented in individuals reporting high alcohol consumption.
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Hsu DC, Sereti I, Ananworanich J. Serious Non-AIDS events: Immunopathogenesis and interventional strategies. AIDS Res Ther 2013; 10:29. [PMID: 24330529 PMCID: PMC3874658 DOI: 10.1186/1742-6405-10-29] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2013] [Accepted: 11/26/2013] [Indexed: 12/14/2022] Open
Abstract
Despite the major advances in the management of HIV infection, HIV-infected patients still have greater morbidity and mortality than the general population. Serious non-AIDS events (SNAEs), including non-AIDS malignancies, cardiovascular events, renal and hepatic disease, bone disorders and neurocognitive impairment, have become the major causes of morbidity and mortality in the antiretroviral therapy (ART) era. SNAEs occur at the rate of 1 to 2 per 100 person-years of follow-up. The pathogenesis of SNAEs is multifactorial and includes the direct effect of HIV and associated immunodeficiency, underlying co-infections and co-morbidities, immune activation with associated inflammation and coagulopathy as well as ART toxicities. A number of novel strategies such as ART intensification, treatment of co-infection, the use of anti-inflammatory drugs and agents that reduce microbial translocation are currently being examined for their potential effects in reducing immune activation and SNAEs. However, currently, initiation of ART before advanced immunodeficiency, smoking cessation, optimisation of cardiovascular risk factors and treatment of HCV infection are most strongly linked with reduced risk of SNAEs or mortality. Clinicians should therefore focus their attention on addressing these issues prior to the availability of further data.
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Survival analysis of acquired immune deficiency syndrome patients with and without hepatitis C virus infection at a reference center for sexually transmitted diseases/acquired immune deficiency syndrome in São Paulo, Brazil. Braz J Infect Dis 2013; 18:150-7. [PMID: 24211628 PMCID: PMC9427469 DOI: 10.1016/j.bjid.2013.06.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2013] [Accepted: 06/30/2013] [Indexed: 01/28/2023] Open
Abstract
INTRODUCTION Survival of patients with acquired immune deficiency syndrome has improved with combination antiretroviral therapy; mortality due to liver diseases, however, has also increased in these patients. OBJECTIVES To estimate the accumulated probability of survival in human immunodeficiency virus-hepatitis C virus coinfected and non-coinfected patients and to investigate factors related to acquired immune deficiency syndrome patients' survival. METHODS Non-concurrent cohort study using data from surveillance information systems of acquired immune deficiency syndrome patients over 13 years of age. Hepatitis C and B, human immunodeficiency virus exposure category, CD4+ T cell count, age group, schooling, race, sex, and four acquired immune deficiency syndrome diagnosis periods were studied. Kaplan-Meier survival analysis and Cox model with estimates of the hazard ratio and 95% confidence interval were used. RESULTS Of the total 2864 individuals included, with median age was 35 years, 219 died (7.5%), and 358 (12.5%) were human immunodeficiency virus-hepatitis C virus coinfected. The accumulated probability of survival in human immunodeficiency virus-hepatitis C virus coinfected patients, after acquired immune deficiency syndrome diagnosis, at 120 months, was 0%, 38.9%, 83.8% in 1986-1993, 1994-1996, 1997-2002, respectively, and 92.8% at 96 months in 2003-2010; survival in non-coinfected patients at 120 months was 80%, 90.2%, 94% in 1986-1993, 1994-1996, 1997-2002, respectively, and 94.1% at 96 months in 2003-2010. In the multivariate model the following variables were predictive of death: hepatitis C virus coinfection (hazard ratio=2.7; confidence interval 2.0-3.6); Hepatitis B virus coinfection (hazard ratio=2.4; confidence interval 1.7-3.6); being ≥ 50 years old (hazard ratio=2.3; confidence interval 1.3-3.8); having 8-11 years of schooling (hazard ratio=1.6; confidence interval 1.1-2.3), having 4-7 years of schooling (hazard ratio=1.9; confidence interval 1.3-2.8) and having up to 3 years of schooling (hazard ratio=3.3; confidence interval 2.0-5.5). CONCLUSIONS Among patients diagnosed after 1996, there was a significant increase in the cumulative probability of survival in human immunodeficiency virus-hepatitis C virus coinfected individuals; among those diagnosed with acquired immune deficiency syndrome from 2003 to 2010, this probability was similar between coinfected and non-coinfected patients.
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ER stress in human hepatic cells treated with Efavirenz: mitochondria again. J Hepatol 2013; 59:780-9. [PMID: 23792026 DOI: 10.1016/j.jhep.2013.06.005] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2012] [Revised: 05/23/2013] [Accepted: 06/10/2013] [Indexed: 12/04/2022]
Abstract
BACKGROUND & AIMS ER stress is associated with a growing number of liver diseases, including drug-induced hepatotoxicity. The non-nucleoside analogue reverse transcriptase inhibitor Efavirenz, a cornerstone of the multidrug strategy employed to treat HIV1 infection, has been related to the development of various adverse events, including metabolic disturbances and hepatic toxicity, the mechanisms of which remain elusive. Recent evidence has pinpointed a specific mitochondrial effect of Efavirenz in human hepatic cells. This study assesses the induction of ER stress by Efavirenz in the same model and the implication of mitochondria in this process. METHODS Primary human hepatocytes and Hep3B were treated with clinically relevant concentrations of Efavirenz and parameters of ER stress were studied using standard cell biology techniques. RESULTS ER stress markers, including CHOP and GRP78 expression (both protein and mRNA), phosphorylation of eIF2α, and presence of the spliced form of XBP1 were upregulated. Efavirenz also enhanced cytosolic Ca(2+) content and induced morphological changes in the ER suggestive of ER stress. This response was greatly attenuated in cells with altered mitochondrial function (Rho°). The effects of Efavirenz on the ER, and particularly in regard to the mitochondrial involvement, differed from those elicited by a standard pharmacological ER stressor. CONCLUSIONS This newly discovered mechanism of cellular insult involving ER stress and UPR response may help comprehend the hepatic toxicity that has been associated with the widespread and life-long use of Efavirenz. In addition, the specificity of the actions of Efavirenz observed expands our knowledge of the mechanisms that trigger ER stress and shed some light on the mitochondria/ER interplay in drug-induced hepatic challenge.
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Ganesan A, Masur H. Critical care of persons infected with the human immunodeficiency virus. Clin Chest Med 2013; 34:307-23. [PMID: 23702179 DOI: 10.1016/j.ccm.2013.01.011] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Antiretroviral therapy (ART) has transformed the prognosis for patients infected with the human immunodeficiency virus (HIV). With effective ART, these individuals can expect to live almost as long as their HIV-negative counterparts. Given that more than a million people infected with HIV currently live in the United States, the likelihood that the practicing intensivist will manage a patient infected with HIV is high. This review discusses the challenges associated with management of critically ill patients infected with HIV, including the immune reconstitution inflammatory syndrome (a complication associated with ART initiation), ART-related toxicities, and the management of some common opportunistic infections.
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Affiliation(s)
- Anuradha Ganesan
- Department of Medicine, Division of Infectious Diseases, Walter Reed National Military Medical Center, Uniformed Services University of the Health Sciences, Bethesda, MD 20889, USA.
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Ippolito G, Levy JA, Sonnerborg A, Mugusi F, Dianzani F. AIDS and HIV Infection after Thirty Years. AIDS Res Treat 2013; 2013:731983. [PMID: 23365727 PMCID: PMC3556433 DOI: 10.1155/2013/731983] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2012] [Accepted: 12/11/2012] [Indexed: 01/16/2023] Open
Affiliation(s)
- Giuseppe Ippolito
- Department of Medicine, AIDS Research Institute, National Institute for Infectious Diseases Lazzaro Spallanzani, Via Portuense, 292-00149 Rome, Italy
| | - Jay A. Levy
- AIDS Research Institute, University of California at San Francisco, San Francisco, CA, USA
| | - Anders Sonnerborg
- Unit of Infectious Diseases, Department of Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Ferdinand Mugusi
- Department of Internal Medicine, Muhimbili University of Health and Allied Sciences (MUHAS), Dar es Salaam, Tanzania
| | - Ferdinando Dianzani
- Department of Virology, National Institute for Infectious Diseases Lazzaro Spallanzani, Via Portuense, 292-00149 Rome, Italy
- Sapienza University of Rome, Piazzale Aldo Moro, 5-00185 Rome, Italy
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