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Groves AK, Stankard P, Bowler SL, Jamil MS, Gebrekristos LT, Smith PD, Quinn C, Ba NS, Chidarikire T, Nguyen VTT, Baggaley R, Johnson C. A systematic review and meta-analysis of the evidence for community-based HIV testing on men's engagement in the HIV care cascade. Int J STD AIDS 2022; 33:1090-1105. [PMID: 35786140 PMCID: PMC9660288 DOI: 10.1177/09564624221111277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 05/29/2022] [Accepted: 06/13/2022] [Indexed: 12/04/2022]
Abstract
OBJECTIVE Men with HIV are less likely than women to know their status, be on antiretroviral therapy, and be virally suppressed. This review examined men's community-based HIV testing services (CB-HTS) outcomes. DESIGN Systematic review and meta-analysis. METHODS We searched seven databases and conference abstracts through July 2018. We estimated pooled proportions and/or risk ratios (for meta-analyses) for each outcome using random effects models. RESULTS 188 studies met inclusion criteria. Common testing models included targeted outreach (e.g. mobile testing), home-based testing, and testing at stand-alone community sites. Across 25 studies reporting uptake, 81% (CI: 75-86%) of men offered testing accepted it. Uptake was higher among men reached through CB-HTS than facility-based HTS (RR = 1.39; CI: 1.13-1.71). Over 69% (CI: 64-71%) of those tested through CB-HTS were men, across 184 studies. Across studies reporting new HIV-positivity among men (n = 18), 96% were newly diagnosed (CI: 77-100%). Across studies reporting linkage to HIV care (n = 8), 70% (CI: 36-103%) of men were linked to care. Across 57 studies reporting sex-disaggregated data for CB-HTS conducted among key populations, men's uptake was high (80%; CI: 70-88%) and nearly all were newly diagnosed and linked to care (95%; CI: 94-100%; and 94%; CI: 88-100%, respectively). CONCLUSION CB-HTS is an important strategy for reaching undiagnosed men with HIV from the general population and key population groups, particularly using targeted outreach models. When compared to facility-based HIV testing services, men tested through CB-HTS are more likely to uptake testing, and nearly all men who tested positive through CB-HTS were newly diagnosed. Linkage to care may be a challenge following CB-HTS, and greater efforts and research are needed to effectively implement testing strategies that facilitate rapid ART initiation and linkage to prevention services.
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Affiliation(s)
- Allison K Groves
- Dornsife School of Public Health, Drexel University, Philadelphia, PA, USA
| | | | - Sarah L Bowler
- Dornsife School of Public Health, Drexel University, Philadelphia, PA, USA
| | - Muhammad S Jamil
- Department of HIV/AIDS, World Health
Organization, Geneva, Switzerland
| | | | - Patrick D Smith
- Dornsife School of Public Health, Drexel University, Philadelphia, PA, USA
| | - Caitlin Quinn
- Department of HIV/AIDS, World Health
Organization, Geneva, Switzerland
| | - Ndoungou Salla Ba
- Department of HIV/AIDS, World Health
Organization, Geneva, Switzerland
| | - Thato Chidarikire
- HIV Prevention Programmes, National Department of
Health, Johannesburg, South Africa
| | | | - Rachel Baggaley
- Department of HIV/AIDS, World Health
Organization, Geneva, Switzerland
| | - Cheryl Johnson
- Department of HIV/AIDS, World Health
Organization, Geneva, Switzerland
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Incidence of impaired kidney function among people with HIV: a systematic review and meta-analysis. BMC Nephrol 2022; 23:107. [PMID: 35300612 PMCID: PMC8932163 DOI: 10.1186/s12882-022-02721-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Accepted: 03/02/2022] [Indexed: 01/01/2023] Open
Abstract
Background In the era of combination antiretroviral therapy (ART), the incidence, manifestations and severity of kidney diseases have dramatically changed in people living with HIV (PLWH). Little is known about the incidence of impaired kidney function (IKF) measured by serum creatine-based estimated glomerular filtration rate (eGFR) in PLWH. Methods In this systematic review and meta-analysis, we searched PubMed, Ovid, Medline, Embase and Web of Science for studies published before May 7th, 2021, with estimates of incidence of IKF among PLWH. We independently reviewed each study for quality by using the Newcastle-Ottawa scale. The incidence and 95% confidence intervals (CIs) were calculated using random-effects model. Results Sixty out of 3797 identifiable studies were eligible for the meta-analysis. A total of 19 definitions of IKF were described and categorized into three types: the threshold of eGFR, an absolute or percent decrease in eGFR, and certain eGFR threshold combined with decrement in eGFR. The eGFR< 60 ml/min/1.73m2 was the most widely used definition or criterion for IKF, by which the pooled incidence rate of IKF was 12.50 (95%CI: 9.00–17.36) per 1000 person years (PYs). The second most-studied outcome was a > 25% decrease in eGFR, followed by eGFR< 90 ml/min/1.73m2, eGFR< 30 ml/min/1.73m2 and a combination of eGFR threshold plus decreased eGFR. The reported incidence rates of IKF differ widely by different definitions of IKF. The highest pooled incidence was observed for those with > 25% decrease in eGFR, while the lowest was observed in those with eGFR < 30 ml/min/1.73m2. Substantial heterogeneity was identified across most estimates. Conclusion Our study provides a comprehensive summary of eGFR-based definitions and incidence rates of IKF in PLWH, not only promoting our understanding of IKF, but also underscoring needs for a concerted action to unify definitions and outcomes of IKF and their applications in AIDS care. Supplementary Information The online version contains supplementary material available at 10.1186/s12882-022-02721-x.
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Abstract
PURPOSE OF REVIEW The age of people with HIV) continues to rise, and yet older people have tended to be under-represented or excluded from premarketing studies of antiretroviral therapy (ART). In this review, we highlight special considerations for the use of ART in older people with HIV, with a focus on toxicities associated with specific antiretroviral agents or drug classes as well as key research questions moving forward. RECENT FINDINGS Like all people with HIV, older people with HIV should be started on ART as soon as possible, regardless of CD4 count, and with a regimen that includes an integrase strand transfer inhibitor (INSTI) and two nucleoside reverse transcriptase inhibitors. Important toxicities to consider when choosing an ART regimen include bone and renal effects related to tenofovir, weight gain related to INSTIs and tenofovir alafenamide, neurocognitive and neuropsychiatric toxicities related to efavirenz, and increased cardiovascular risk associated with abacavir and boosted protease inhibitors. With the ongoing importance of INSTIs as a component of preferred ART regimens, further characterization of INSTI-related weight gain is a critical current research priority in understanding ART toxicity. SUMMARY There are multiple potential toxicities of ART to consider when selecting a regimen for older people. Specific agents or drug classes have been implicated in adverse bone or renal effects, weight gain, neuropsychiatric and neurocognitive effects, and cardiovascular risk.
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Fiseha T, Gebreweld A. Renal function in a cohort of HIV-infected patients initiating antiretroviral therapy in an outpatient setting in Ethiopia. PLoS One 2021; 16:e0245500. [PMID: 33481839 PMCID: PMC7822244 DOI: 10.1371/journal.pone.0245500] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2020] [Accepted: 12/30/2020] [Indexed: 12/26/2022] Open
Abstract
Aim To evaluate the prevalence and associated factors of abnormal renal function among Ethiopian HIV-infected patients at baseline prior to initiation of antiretroviral therapy (ART) and during follow-up. Methods We conducted a retrospective observational cohort study of HIV infected patients who initiated ART at the outpatient ART clinic of Mehal Meda Hospital of North Shewa, Ethiopia from January 2012 to August 2018. Demographic and clinical data were abstracted from the medical records of patients. Renal function was assessed by estimated glomerular filtration rate (eGFR) calculated using the Modification of Diet in Renal Disease (MDRD) equation. Univariate and multivariate analysis were conducted to determine the factors associated with abnormal renal function at baseline and during follow-up. Results Among 353 patients, 70 (19.8%) had baseline eGFR <60 ml/min/1.73m2 and 102 (28.9%) had eGFR = 60–89.9 ml/min/1.73m2. Factors associated with baseline renal impairment (eGFR <60 ml/min/1.73m2) included female sex (AOR = 3.52, CI 1.75–7.09), CD4 count < 200 cells/mm3 (AOR = 2.75, CI 1.40–5.42), BMI < 25 Kg/m2 (AOR = 3.04, CI 1.15–8.92), low hemoglobin (AOR = 2.19, CI 1.16–4.09) and high total cholesterol (AOR = 3.15, CI 1.68–5.92). After a median of 3.0 years of ART, the mean eGFR declined from 112.9 ± 81.2 ml/min/1.73m2 at baseline to 93.9 ± 60.6 ml/min/1.73m2 (P < 0.001). The prevalence of renal impairment increased from 19.8% at baseline to 22.1% during follow-up. Of 181 patients with baseline normal renal function, 49.7% experienced some degree of renal impairment. Older age (AOR = 3.85, 95% CI 2.03–7.31), female sex (AOR = 4.18, 95% CI 2.08–8.40), low baseline CD4 (AOR = 2.41, 95% CI 1.24–4.69), low current CD4 count (AOR = 2.32, 95% CI 1.15–4.68), high BMI (AOR = 2.91, 95% CI 1.49–5.71), and low hemoglobin (AOR = 3.38, 95% CI 2.00–7.46) were the factors associated with renal impairment during follow-up. Conclusion Impaired renal function was common in HIV-infected patients initiating ART in an outpatient setting in Ethiopia, and there appears to be a high prevalence of renal impairment after a median ART follow-up of 3 years. There is a need for assessment of renal function at baseline before ART initiation and regular monitoring of renal function for patients with HIV during follow-up.
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Affiliation(s)
- Temesgen Fiseha
- Department of Clinical Laboratory Science, College of Medicine and Health Sciences, Wollo University, Dessie, Ethiopia
- * E-mail:
| | - Angesom Gebreweld
- Department of Medical Laboratory Science, College of Health Sciences, Mekelle University, Mekelle, Ethiopia
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Pontes PS, Melo ES, Costa CRB, Antonini M, Sousa LRM, Gir E, Reis RK. Estimativa da taxa de filtração glomerular em pessoas vivendo com HIV. ACTA PAUL ENFERM 2019. [DOI: 10.1590/1982-0194201900069] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Resumo Objetivo Avaliar os fatores associados à estimativa da Taxa de Filtração Glomerular (eTFG) em pessoas vivendo com HIV. Métodos Estudo transversal e analítico, com avaliação de 340 pessoas em atendimento ambulatorial no município de Ribeirão Preto-SP. Calculou-se a eTFG através da fórmula Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI). Foi realizado análise univariada com os testes Qui-quadrado e Exato de Fisher, com p<0,05. Resultados Identificou que 114 (34,1%) dos participantes apresentaram alterações na Filtração Glomerular, dos quais (90) 27,5% foram classificadas em estágio 2, 15 (4,5%) em estágio 3A e 07 (2,1%) em estágio 3B. Conclusão O estudo evidenciou que as variáveis sexo, idade, hipertensão, diabetes, IMC e tempo de diagnóstico apresentaram associação com a Taxa de Filtração Glomerular. Ressalta-se a importância do acompanhamento integral de PVHIV para a tomada de decisões de modo a prevenir a ocorrência de disfunções renais.
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Mapesi H, Kalinjuma AV, Ngerecha A, Franzeck F, Hatz C, Tanner M, Mayr M, Furrer H, Battegay M, Letang E, Weisser M, Glass TR. Prevalence and Evolution of Renal Impairment in People Living With HIV in Rural Tanzania. Open Forum Infect Dis 2018; 5:ofy072. [PMID: 29707599 PMCID: PMC5912087 DOI: 10.1093/ofid/ofy072] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Accepted: 04/04/2018] [Indexed: 01/17/2023] Open
Abstract
Background We assessed the prevalence, incidence, and predictors of renal impairment among people living with HIV (PLWHIV) in rural Tanzania. Methods In a cohort of PLWHIV aged ≥15 years enrolled from January 2013 to June 2016, we assessed the association between renal impairment (estimated glomerural filtration rate < 90 mL/min/1.73 m2) at enrollment and during follow-up with demographic and clinical characteristcis using logistic regression and Cox proportional hazards models. Results Of 1093 PLWHIV, 172 (15.7%) had renal impairment at enrollment. Of 921 patients with normal renal function at baseline, 117 (12.7%) developed renal impairment during a median follow-up (interquartile range) of 6.2 (0.4–14.7) months. The incidence of renal impairment was 110 cases per 1000 person-years (95% confidence interval [CI], 92–132). At enrollment, logistic regression identified older age (adjusted odds ratio [aOR], 1.79; 95% CI, 1.52–2.11), hypertension (aOR, 1.84; 95% CI, 1.08–3.15), CD4 count <200 cells/mm3 (aOR, 1.80; 95% CI, 1.23–2.65), and World Health Organization (WHO) stage III/IV (aOR, 3.00; 95% CI, 1.96–4.58) as risk factors for renal impairment. Cox regression model confirmed older age (adjusted hazard ratio [aHR], 1.85; 95% CI, 1.56–2.20) and CD4 count <200 cells/mm3 (aHR, 2.05; 95% CI, 1.36–3.09) to be associated with the development of renal impairment. Conclusions Our study found a low prevalence of renal impairment among PLWHIV despite high usage of tenofovir and its association with age, hypertension, low CD4 count, and advanced WHO stage. These important and reassuring safety data stress the significance of noncommunicable disease surveillance in aging HIV populations in sub-Saharan Africa.
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Affiliation(s)
- Herry Mapesi
- Ifakara Branch, Ifakara Health Institute, Ifakara, Tanzania.,Swiss Tropical and Public Health Institute, Basel, Switzerland.,University of Basel, Basel, Switzerland
| | | | | | - Fabian Franzeck
- Division of Infectious Diseases and Hospital Epidemiology, University Hospital Basel, Basel, Switzerland
| | - Christoph Hatz
- Swiss Tropical and Public Health Institute, Basel, Switzerland.,University of Basel, Basel, Switzerland
| | - Marcel Tanner
- Swiss Tropical and Public Health Institute, Basel, Switzerland.,University of Basel, Basel, Switzerland
| | - Michael Mayr
- Division of Infectious Diseases and Hospital Epidemiology, University Hospital Basel, Basel, Switzerland.,Medical Outpatient Clinic, University Hospital Basel, Basel, Switzerland
| | - Hansjakob Furrer
- Department of Infectious Diseases, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Manuel Battegay
- University of Basel, Basel, Switzerland.,Division of Infectious Diseases and Hospital Epidemiology, University Hospital Basel, Basel, Switzerland
| | - Emilio Letang
- Ifakara Branch, Ifakara Health Institute, Ifakara, Tanzania.,Swiss Tropical and Public Health Institute, Basel, Switzerland.,University of Basel, Basel, Switzerland.,ISGlobal, Barcelona Ctr. Int. Health Res. (CRESIB), Hospital Clínic, Universitat de Barcelona, Barcelona, Spain
| | - Maja Weisser
- Ifakara Branch, Ifakara Health Institute, Ifakara, Tanzania.,Swiss Tropical and Public Health Institute, Basel, Switzerland.,University of Basel, Basel, Switzerland
| | - Tracy R Glass
- Swiss Tropical and Public Health Institute, Basel, Switzerland.,University of Basel, Basel, Switzerland
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Changes in estimated glomerular filtration rate over time in South African HIV-1-infected patients receiving tenofovir: a retrospective cohort study. J Int AIDS Soc 2017; 20:21317. [PMID: 28406595 PMCID: PMC5515088 DOI: 10.7448/ias.20.01/21317] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Introduction: Tenofovir has been associated with decline in kidney function, but in patients with low baseline kidney function, improvements over time have been reported. Additionally, the magnitude and trajectory of estimated glomerular filtration rate (eGFR) changes may differ according to how eGFR is calculated. We described changes in eGFR over time, and the incidence of, and risk factors for, kidney toxicity, in a South African cohort. Methods: We included antiretroviral-naïve patients ≥16 years old who started tenofovir-containing antiretroviral therapy (ART) between 2002 and 2013. We calculated eGFR using the Modification of Diet in Renal Disease (MDRD), Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI), and Cockcroft-Gault equations. We described changes in eGFR from ART initiation using linear mixed effects regression. We described the incidence of eGFR <30 mL/min on treatment, and identified associations with low eGFR using Cox regression. Results: We included 15156 patients with median age of 35.4 years (IQR 29.9–42.0), median CD4 cell count of 168 cells/µL (IQR 83–243), and median eGFR (MDRD) of 98.6 mL/min (IQR 84.4–115.6). Median duration of follow up on tenofovir was 12.9 months (IQR 5.1–23.3). Amongst those with a baseline and subsequent eGFR available, mean eGFR change from baseline at 12 months was −4.4 mL/min (95% CI −4.9 to −4.0), −2.3 (−2.5 to −2.1), and 0.6 (0.04 to 1.2) in those with baseline eGFR ≥90 mL/min; and 11.9 mL/min (11.0 to 12.7), 14.6 (13.5 to 15.7), and 11.0 (10.3 to 11.7) in those with baseline eGFR <90 mL/min, according to the MDRD, CKD-EPI (n = 11 112), and Cockcroft-Gault (n = 9 283) equations, respectively. Overall, 292 (1.9%) patients developed eGFR <30 mL/min. Significant associations with low eGFR included older age, baseline eGFR <60 mL/min, CD4 count <200 cells/µL, body weight <60 kg, and concomitant protease inhibitor use. Conclusions: Patients on tenofovir with baseline eGFR ≥90 mL/min experienced small but significant declines in eGFR over time when eGFR was estimated using the MDRD or CKD-EPI equations. However, eGFR increased in patients with eGFR <90 mL/min, regardless of which estimating equation was used. Decreases to below 30 mL/min were uncommon. In settings with limited access to laboratory testing, monitoring guidelines should consider focusing on higher risk patients.
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Gianotti N, Cozzi-Lepri A, Antinori A, Castagna A, De Luca A, Celesia BM, Galli M, Mussini C, Pinnetti C, Spagnuolo V, d’Arminio Monforte A, Ceccherini-Silberstein F, Andreoni M. Refining criteria for selecting candidates for a safe lopinavir/ritonavir or darunavir/ritonavir monotherapy in HIV-infected virologically suppressed patients. PLoS One 2017; 12:e0171611. [PMID: 28192453 PMCID: PMC5305227 DOI: 10.1371/journal.pone.0171611] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2016] [Accepted: 01/23/2017] [Indexed: 01/01/2023] Open
Abstract
Objective The primary objective of this study was to estimate the incidence of treatment failure (TF) to protease inhibitor monotherapies (PI/r-MT) with lopinavir/ritonavir (LPV/r) or darunavir/ritonavir (DRV/r). Design A multicenter cohort of HIV-infected patients with viral load (VL) ≤50 copies/mL, who underwent a switch from any triple combination therapy to PI/r-MT with either LPV/r or DRV/r. Methods VL was assessed in each center according to local procedures. Residual viremia was defined by any HIV-RNA value detectable below 50 copies/mL by a Real-Time PCR method. Standard survival analysis was used to estimate the rate of TF (defined by virological failure or interruption of monotherapy or reintroduction of combination therapy). A multivariable Cox regression analysis with automatic stepwise procedures was used to identify factors independently associated with TF among nadir and baseline CD4+ counts, residual viremia, time spent with <50 HIV-RNA copies/mL before switch, history of virological failure, HCV co-infection, being on a PI/r and hemoglobin concentrations at baseline. Results Six hundred ninety patients fulfilled the inclusion criteria and were included in this analysis. Their median follow-up was 20 (10–37) months. By month 36, TF occurred in 176 (30.2%; 95% CI:25.9–34.5) patients. Only CD4+ nadir counts (adjusted hazard ratio [aHR] = 2.03 [95% CI: 1.35, 3.07] for counts ≤100 vs. >100 cells/μL) and residual viremia (aHR = 1.48 [95% CI: 1.01–2.17] vs. undetectable VL) were independently associated to TF. Conclusions Residual viremia and nadir CD4+ counts <100 cells/μL should be regarded as the main factors to be taken into account before considering switching to a PI/r-MT.
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Affiliation(s)
| | | | - Andrea Antinori
- National Institute for Infectious Diseases Lazzaro Spallanzani IRCCS, Roma, Italy
| | - Antonella Castagna
- San Raffaele Hospital, Milano, Italy
- Università Vita-Salute San Raffaele, Milano, Italy
| | | | | | | | | | - Carmela Pinnetti
- National Institute for Infectious Diseases Lazzaro Spallanzani IRCCS, Roma, Italy
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Hara M, Yanagisawa N, Ohta A, Momoki K, Tsuchiya K, Nitta K, Ando M. Increased non-HDL-C level linked with a rapid rate of renal function decline in HIV-infected patients. Clin Exp Nephrol 2016; 21:275-282. [PMID: 27194410 DOI: 10.1007/s10157-016-1281-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2016] [Accepted: 05/11/2016] [Indexed: 01/09/2023]
Abstract
BACKGROUND The risk of developing CKD is increased in HIV-infected patients; however, the relationship between renal function decline and lipid abnormalities currently remains unclear in these patients. METHODS A retrospective cohort study was conducted on 661 HIV-infected patients, whose estimated glomerular filtration rates (eGFRs) were consecutively measured over 6 years. The rate of declines in eGFR per year was calculated, with decreases being evaluated using a linear mixed effect model. The distribution of decreases in eGFR ≥ 30 % from baseline during the follow-up period was compared across quartiles of non-high-density lipoprotein cholesterol (HDL-C) levels using the Cochran-Armitage test. A multivariate logistic regression model was built to examine the relationship between dyslipidemia and decreases in eGFR. RESULTS The prevalence of CKD increased from 8.5 to 21.2 % during the follow-up. The average of 6 annual eGFR decline rates was 2.01 ± 0.09 ml/min/1.73 m2/year, which was more than 6-fold higher than that of age-matched controls. The distribution of decreases in eGFR significantly increased across the quartiles of non-HDL-C (p value for trend = 0.0359). Non-HDL-C levels greater than the median value of the cohort were identified as a significant risk factor for decreased eGFR [odds ratio (95 % confidence interval), 1.77 (1.07-3.00)]. CONCLUSION Increased non-HDL-C levels are a risk factor for renal function decline in HIV-infected patients.
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Affiliation(s)
- Masaki Hara
- Division of Nephrology, Department of Medicine, Tokyo Metropolitan Komagome Hospital, Bunkyo-ku, Tokyo, Japan.,Department IV of Internal Medicine, Tokyo Women's Medical University, Shinjuku-ku, Tokyo, Japan
| | - Naoki Yanagisawa
- Division of Infectious Diseases, Department of Medicine, Tokyo Metropolitan Komagome Hospital, Bunkyo-ku, Tokyo, Japan.,Department IV of Internal Medicine, Tokyo Women's Medical University, Shinjuku-ku, Tokyo, Japan
| | - Akihito Ohta
- Division of Nephrology, Department of Medicine, Tokyo Metropolitan Komagome Hospital, Bunkyo-ku, Tokyo, Japan
| | - Kumiko Momoki
- Division of Nephrology, Department of Medicine, Tokyo Metropolitan Komagome Hospital, Bunkyo-ku, Tokyo, Japan.,Department IV of Internal Medicine, Tokyo Women's Medical University, Shinjuku-ku, Tokyo, Japan
| | - Ken Tsuchiya
- Department IV of Internal Medicine, Tokyo Women's Medical University, Shinjuku-ku, Tokyo, Japan
| | - Kosaku Nitta
- Department IV of Internal Medicine, Tokyo Women's Medical University, Shinjuku-ku, Tokyo, Japan
| | - Minoru Ando
- Division of Nephrology, Department of Medicine, Tokyo Metropolitan Komagome Hospital, Bunkyo-ku, Tokyo, Japan. .,Department of Medicine, Tokyo Metropolitan Fu-chu Medical and Welfare Center for the Disabled, 2-9-2, Musashidai, Fuchu, Tokyo, 183-8553, Japan.
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Gianotti N, Galli L, Poli A, Salpietro S, Nozza S, Carbone A, Merli M, Ripa M, Lazzarin A, Castagna A. Estimated Glomerular Filtration Rate Trajectories in HIV-Infected Subjects Treated With Different Ritonavir-Boosted Protease Inhibitors and Tenofovir Disoproxil Fumarate or Abacavir. Medicine (Baltimore) 2016; 95:e3780. [PMID: 27258510 PMCID: PMC4900718 DOI: 10.1097/md.0000000000003780] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
The aim of the study was to evaluate in human immunodeficiency virus (HIV)-infected patients estimated glomerular filtration rate (eGFR) trajectories during treatment with different protease inhibitors (PIs) or a non-nucleoside reverse transcriptase inhibitor (NNRTI) plus tenofovir (TDF) or abacavir (ABC) and lamivudine or emtricitabine (xTC).Retrospective study of patients followed at a single clinical center; all patients who started TDF or ABC for the first time with a NNRTI or lopinavir/r (LPV/r) or atazanavir/r (ATV/r) or darunavir/r (DRV/r), for whom at least 1 eGFR value before the start and during the studied treatment was known, were included in this analysis. eGFR was calculated by means of the CKD-EPI formula. Univariate and multivariate mixed linear model (MLM) was applied to estimate eGFR slope with the considered antiretroviral treatment.In the 1658 patients treated with TDF/xTC (aged 43 [37-48] years, with an eGFR of 105 [96; 113] mL/min/1.73 m, 80% males, 92% Caucasians, 10% coinfected with HCV, 4% with diabetes, 11% with hypertension, 38% naive for antiretroviral therapy (ART), 37% with HIV-RNA <50 copies/mL) the median follow-up was 2.5 (1.2-4.6) years. Their adjusted eGFR slopes (95% CI) were -1.26 (-1.58; -0.95), -0.43 (-1.20; +0.33), -0.86 (-1.28; -0.44), and -0.20 (-0.42; +0.02) mL/min/1.73 m per year in patients treated with ATV/r, DRV/r, LPV/r, and NNRTI, respectively. Patients receiving ATV/r or LPV/r had a greater adjusted decline in eGFR compared with those receiving NNRTIs (difference -1.06 [-1.44; -0.69] mL/min/1.73 m per year, P <0.001; and -0.66 [-1.13; -0.20] mL/min/1.73 m per year, P = 0.005, respectively); adjusted eGFR slopes were similar in patients receiving DRV/r and in those receiving NNRTIs. Patients receiving ATV/r had a greater adjusted eGFR decline than those treated with DRV/r (difference -0.83 [-1.65; -0.02] mL/min/1.73 m per year; P = 0.04), but not than those receiving LPV/r; no significant difference was observed in adjusted eGFR slopes between patients receiving DRV/r and those receiving LPV/r. In the 286 patients treated with ABC and lamivudine, eGFR slopes were similar, independent of the PI.In patients receiving TDF/xTC, eGFR trajectories were small for all regimens and declined less in patients receiving DRV/r or NNRTIs than in those treated with ATV/r or LPV/r.
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Affiliation(s)
- Nicola Gianotti
- From the Infectious Diseases (NG, LG, AP, SS, SN, AC, MM, MR, AL, AC), San Raffaele Scientific Institute; and Università Vita-Salute San Raffaele (AP, AC, MM, MR, AL, AC), Milano, Italy
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Marcelin JR, Berg ML, Tan EM, Amer H, Cummins NW, Rizza SA. Is Abnormal Urine Protein/Osmolality Ratio Associated with Abnormal Renal Function in Patients Receiving Tenofovir Disoproxil Fumarate? PLoS One 2016; 11:e0149562. [PMID: 26872144 PMCID: PMC4752319 DOI: 10.1371/journal.pone.0149562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2015] [Accepted: 02/01/2016] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Risk factors for and optimal surveillance of renal dysfunction in patients on tenofovir disoproxil fumarate (TDF) remain unclear. We investigated whether a urine protein-osmolality (P/O) ratio would be associated with renal dysfunction in HIV-infected persons on TDF. METHODS This retrospective, single-center study investigated the relationship between parameters of renal function (estimated glomerular filtration rate (eGFR) and P/O-ratio) and risk factors for development of kidney dysfunction. Subjects were HIV-infected adults receiving TDF with at least one urinalysis and serum creatinine performed between 2010 and 2013. Regression analyses were used to analyze risk factors associated with abnormal P/O-ratio and abnormal eGFR during TDF therapy. RESULTS Patients were predominately male (81%); (65%) were Caucasian. Mean age was 45.1(±11.8) years; median [IQR] TDF duration was 3.3 years. [1.5-7.6]. Median CD4+ T cell count and HIV viral load were 451 cells/μL [267.5-721.5] and 62 copies/mL [0-40,150], respectively. Abnormal P/O-ratio was not associated with low eGFR. 68% of subjects had an abnormal P/O-ratio and 9% had low eGFR. Duration of TDF use, age, diabetes and hypertension were associated with renal dysfunction in this study. After adjustment for age, subjects on TDF > 5 years had almost a four-fold increased likelihood of having an abnormal P/O-ratio than subjects on TDF for < 1yr (OR 3.9; 95% CI 1.2-14.0; p = 0.024). CONCLUSION Abnormal P/O-ratio is common in HIV-infected patients on TDF but was not significantly associated with low eGFR, suggesting that abnormal P/O-ratio may be a very early biomarker of decreased renal function in HIV infected patients.
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Affiliation(s)
- Jasmine R. Marcelin
- Department of Medicine, Division of Infectious Diseases, Mayo Clinic, Rochester, MN, United States of America
| | - Melody L. Berg
- Department of Medicine, Division of Infectious Diseases, Mayo Clinic Rochester, MN, United States of America
| | - Eugene M. Tan
- Department of Internal Medicine, Mayo Clinic, Rochester, MN, United States of America
| | - Hatem Amer
- Department of Medicine, Division of Nephrology & Hypertension, Mayo Clinic, Rochester MN, United States of America
| | - Nathan W. Cummins
- Department of Medicine, Division of Infectious Diseases, Mayo Clinic, Rochester, MN, United States of America
| | - Stacey A. Rizza
- Department of Medicine, Division of Infectious Diseases, Mayo Clinic, Rochester, MN, United States of America
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Bandera A, Gori A, Sabbatini F, Madeddu G, Bonora S, Libertone R, Mastroianni C, Bonfanti P, d'Arminio Monforte A, Cozzi-Lepri A. Evaluation of the Prognostic Value of Impaired Renal Function on Clinical Progression in a Large Cohort of HIV-Infected People Seen for Care in Italy. PLoS One 2015; 10:e0124252. [PMID: 25933346 PMCID: PMC4416769 DOI: 10.1371/journal.pone.0124252] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2015] [Accepted: 03/12/2015] [Indexed: 11/18/2022] Open
Abstract
Whilst renal dysfunction, especially mild impairment (60<eGFR<90 ml/min), has been often described in HIV-infected population, its potential contribution to HIV evolution and risk of cerebro-cardiovascular disease (CCVD) has not been clarified. Data from HIV-1 infected patients enrolled in the Italian Cohort of Antiretroviral-Naïve (Icona) Foundation Study collected between January 2000 and February 2014 with at least two creatinine values available. eGFR (CKD-epi) and renal dysfunction defined using a priori cut-offs of 60 (severely impaired) and 90 ml/min/1.73m2 (mildly impaired). Characteristics of patients were described after stratification in these groups and compared using chi-square test (categorical variables) or Kruskal Wallis test comparing median values. Follow-up accrued from baseline up to the date of the CCVD or AIDS related events or death or last available visit. Kaplan Meier curves were used to estimate the cumulative probability of occurrence of the events over time. Adjusted analysis was performed using a proportional hazards Cox regression model. We included 7,385 patients, observed for a median follow-up of 43 months (inter-quartile range [IQR]: 21-93 months). Over this time, 130 cerebro-cardiovascular events (including 11 deaths due to CCVD) and 311 AIDS-related events (including 45 deaths) were observed. The rate of CCVD events among patients with eGFR >90, 60-89, <60 ml/min, was 2.91 (95% CI 2.30-3.67), 4.63 (95% CI 3.51-6.11) and 11.9 (95% CI 6.19-22.85) per 1,000 PYFU respectively, with an unadjusted hazard ratio (HR) of 4.14 (95%CI 2.07-8.29) for patients with eGFR <60 ml/min and 1.58 (95%CI 1.10-2.27) for eGFR 60-89 compared to those with eGFR ≥90. Of note, these estimates are adjusted for traditional cardio-vascular risk factors (e.g. smoking, diabetes, hypertension, dyslipidemia). Incidence of AIDS-related events was 9.51 (95%CI 8.35-10.83), 6.04 (95%CI 4.74-7.71) and 25.0 (95%CI 15.96-39.22) per 1,000 PYFU, among patients with eGFR >90, 60-89, <60 ml/min, respectively, with an unadjusted HR of 2.49 (95%CI 1.56-3.97) for patients with eGFR <60 ml/min and 0.68 (95%CI 0.52-0.90) for eGFR 60-89. The risk of AIDS events was significantly lower in mild renal dysfunction group even after adjustment for HIV-related characteristics. Our data confirm that impaired renal function is an important risk marker for CCVD events in the HIV-population; importantly, even those with mild renal impairment (90<eGFR<60) seem to be at increased risk of cerebro-cardiovascular morbidity and mortality.
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Affiliation(s)
- Alessandra Bandera
- Division of Infectious Diseases, Department of Internal Medicine, San Gerardo Hospital, University of Milano-Bicocca, Monza, Italy
- * E-mail:
| | - Andrea Gori
- Division of Infectious Diseases, Department of Internal Medicine, San Gerardo Hospital, University of Milano-Bicocca, Monza, Italy
| | - Francesca Sabbatini
- Division of Infectious Diseases, Department of Internal Medicine, San Gerardo Hospital, University of Milano-Bicocca, Monza, Italy
| | - Giordano Madeddu
- Department of Infectious Diseases, University of Sassari, Sassari, Italy
| | - Stefano Bonora
- Department of Infectious Diseases of the University of Torino, Amedeo di Savoia Hospital, Torino, Italy
| | | | - Claudio Mastroianni
- Department of Infectious and Tropical Diseases, Sapienza University, Polo Pontino, Latina, Italy
| | - Paolo Bonfanti
- Infectious Diseases Unit, Alessandro Manzoni Hospital, Lecco, Italy
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Bagnis CI, Stellbrink HJ. Protease Inhibitors and Renal Function in Patients with HIV Infection: a Systematic Review. Infect Dis Ther 2015; 4:15-50. [PMID: 25567681 PMCID: PMC4363218 DOI: 10.1007/s40121-014-0056-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2014] [Indexed: 12/14/2022] Open
Abstract
INTRODUCTION Despite antiretroviral (ARV) therapy reducing renal disease in human immunodeficiency virus overall, there is concern that certain ARVs, particularly tenofovir disoproxil fumarate (TDF) with or without a boosted protease inhibitor (PI), may reduce renal function over time. It is not known whether effects seen with PI-based regimens are independent, result from interactions with TDF coadministration, or are artefactual owing to inhibition of renal tubular creatinine transport by ritonavir or cobicistat pharmacoenhancement. The aim of this review was to conduct a systematic review of studies, weighted toward high-quality evidence, examining changes in renal function over time with PI-based regimens. METHODS PubMed, Embase, and Medline databases and conference abstracts were searched using pre-defined terms for English language articles, published up to and including August 12, 2013, describing changes in renal function over time with PI-based regimens. All available randomized controlled trials (RCTs) were selected; however, to reduce bias, only observational studies recruiting from more than one center and analyzing data from more than 1,000 patients were included. Evidence was qualitatively evaluated according to levels established by the Oxford Centre for Evidence-Based Medicine (OCEBM). RESULTS A total of 2,322 articles were retrieved by the initial search. Of these, 37 were selected for full review, comprising 24 RCTs (OCEBM Level 1 evidence: 4 reports of fully double-blinded or blinded with respect to the PI component). The remaining 20 RCTs and 13 observational studies qualified as OCEBM Level 2 evidence. Level 1 evidence showed initial but non-progressive increases in serum creatinine and corresponding decreases in estimated glomerular filtration rate (eGFR), suggesting an effect on renal tubular transport of creatinine. Level 2 evidence suggested that atazanavir and lopinavir especially in combination with TDF were associated with non-progressive reductions in eGFR over time, with a decreased risk for the development of chronic kidney disease (CKD) on cessation and without the development of advanced CKD or end-stage renal disease (ESRD); whether these reductions were independent or associated with interactions with coadministered TDF could not be established with certainty. Data on darunavir were insufficient to draw any conclusions. The principal limitation of the reviewed studies was the lack of standardization of creatinine measurements in virtually all studies and the lack of corroborative data on changes in proteinuria or other indices of renal function. DISCUSSION In this review, there was little evidence for progressive changes in eGFR, or the development of advanced CKD, or ESRD with lopinavir or atazanavir. Further long-term studies, employing a wide range of validated renal function assessments, are required to fully evaluate potential association of PIs with CKD.
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Affiliation(s)
- Corinne Isnard Bagnis
- Nephrology Department, Pitie Salpetriere Hospital and UPMC-CNAM-EHESS Research Chair for "Patient Education", Pierre et Marie Curie University, Paris, France,
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Lucas GM, Ross MJ, Stock PG, Shlipak MG, Wyatt CM, Gupta SK, Atta MG, Wools-Kaloustian KK, Pham PA, Bruggeman LA, Lennox JL, Ray PE, Kalayjian RC. Clinical practice guideline for the management of chronic kidney disease in patients infected with HIV: 2014 update by the HIV Medicine Association of the Infectious Diseases Society of America. Clin Infect Dis 2014; 59:e96-138. [PMID: 25234519 PMCID: PMC4271038 DOI: 10.1093/cid/ciu617] [Citation(s) in RCA: 205] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2014] [Accepted: 07/25/2014] [Indexed: 12/15/2022] Open
Abstract
It is important to realize that guidelines cannot always account for individual variation among patients. They are not intended to supplant physician judgment with respect to particular patients or special clinical situations. IDSA considers adherence to these guidelines to be voluntary, with the ultimate determination regarding their application to be made by the physician in the light of each patient's individual circumstances.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Paul A. Pham
- Johns HopkinsSchool of Medicine, Baltimore, Maryland
| | - Leslie A. Bruggeman
- MetroHealth Medical Center, Case Western Reserve University, Cleveland, Ohio
| | | | | | - Robert C. Kalayjian
- MetroHealth Medical Center, Case Western Reserve University, Cleveland, Ohio
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Bonjoch A, Juega J, Puig J, Pérez-Alvarez N, Aiestarán A, Echeverría P, Pérez V, Clotet B, Romero R, Bonet J, Negredo E. High prevalence of signs of renal damage despite normal renal function in a cohort of HIV-infected patients: evaluation of associated factors. AIDS Patient Care STDS 2014; 28:524-9. [PMID: 25238104 DOI: 10.1089/apc.2014.0172] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Renal disorders are an emerging problem in HIV-infected patients. We performed a cross-sectional study of the first 1000 HIV-infected patients attended at our HIV unit who agreed to participate. We determined the frequency of renal alterations and its related risk factors. Summary statistics and logistic regression were applied. The study sample comprised 970 patients with complete data. Most were white (94%) and men (76%). Median (IQR) age was 48 (42-53) years. Hypertension was diagnosed in 19%, dyslipidemia in 27%, and diabetes mellitus in 3%. According to the Chronic Kidney Disease Epidemiology Collaboration (CKD EPI) equation, 29 patients (3%) had an eGFR<60 ml/min/1.73 m(2); 18 of them (62%) presented altered albumin/creatinine and protein/creatinine (UPC or UAC) ratios. Of the patients with eGFR>60 mL/min, it was present in 293 (30%), 38 of whom (7.1%) had UPC>300 mg/g. Increased risk of renal abnormalities was correlated with hypertension (OR, 1.821 [95%CI, 1.292;2.564]; p=0.001), age (OR, 1.015 [95%CI, 1.001;1.030], per one year; p=0.040), and use of tenofovir disoproxil fumarate (TDF) plus protease inhibitor (PI), (OR, 1.401 [95%CI, 1.078;1.821]; p=0.012). Current CD4 cell count was a protective factor (OR, 0.9995 [95%CI, 0.9991;0.9999], per one cell; p=0.035). A considerable proportion of patients presented altered UPC or UAC ratios, despite having an eGFR>60 mL/min. CD4 cell count was a protective factor; age, hypertension, and use of TDF plus PIs were risk factors for renal abnormalities. Based on our results, screen of renal abnormalities should be considered in all HIV-infected patients to detect these alterations early.
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Affiliation(s)
- Anna Bonjoch
- Unitat VIH, Fundació Lluita contra la SIDA, Servicio de Medicina Interna, Hospital Germans Trias i Pujol, Universitat Autònoma de Barcelona, Badalona, Barcelona, Spain
| | - Javier Juega
- Servicio de Nefrología, Hospital Germans Trias i Pujol, Universitat Autònoma de Barcelona, Badalona, Barcelona, Spain
| | - Jordi Puig
- Unitat VIH, Fundació Lluita contra la SIDA, Servicio de Medicina Interna, Hospital Germans Trias i Pujol, Universitat Autònoma de Barcelona, Badalona, Barcelona, Spain
| | - Nuria Pérez-Alvarez
- Unitat VIH, Fundació Lluita contra la SIDA, Servicio de Medicina Interna, Hospital Germans Trias i Pujol, Universitat Autònoma de Barcelona, Badalona, Barcelona, Spain
- Statistics and Operations Research Department, Universitat Politècnica de Catalunya, Barcelona, Spain
| | - Aintzane Aiestarán
- Statistics and Operations Research Department, Universitat Politècnica de Catalunya, Barcelona, Spain
| | - Patricia Echeverría
- Unitat VIH, Fundació Lluita contra la SIDA, Servicio de Medicina Interna, Hospital Germans Trias i Pujol, Universitat Autònoma de Barcelona, Badalona, Barcelona, Spain
| | - Vanessa Pérez
- Servicio de Nefrología, Hospital Germans Trias i Pujol, Universitat Autònoma de Barcelona, Badalona, Barcelona, Spain
| | - Bonaventura Clotet
- Unitat VIH, Fundació Lluita contra la SIDA, Servicio de Medicina Interna, Hospital Germans Trias i Pujol, Universitat Autònoma de Barcelona, Badalona, Barcelona, Spain
- IrsiCaixa Foundation, Badalona, Spain
- Universitat de Vic-Universitat Central de Catalunya, Barcelona, Spain
| | - Ramon Romero
- Servicio de Nefrología, Hospital Germans Trias i Pujol, Universitat Autònoma de Barcelona, Badalona, Barcelona, Spain
| | - Josep Bonet
- Servicio de Nefrología, Hospital Germans Trias i Pujol, Universitat Autònoma de Barcelona, Badalona, Barcelona, Spain
| | - Eugenia Negredo
- Unitat VIH, Fundació Lluita contra la SIDA, Servicio de Medicina Interna, Hospital Germans Trias i Pujol, Universitat Autònoma de Barcelona, Badalona, Barcelona, Spain
- Universitat de Vic-Universitat Central de Catalunya, Barcelona, Spain
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Changes in renal function associated with oral emtricitabine/tenofovir disoproxil fumarate use for HIV pre-exposure prophylaxis. AIDS 2014; 28:851-9. [PMID: 24499951 PMCID: PMC3966916 DOI: 10.1097/qad.0000000000000156] [Citation(s) in RCA: 113] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Objective: Tenofovir disoproxil fumarate (TDF) pre-exposure prophylaxis decreases sexual acquisition of HIV infection. We sought to evaluate the renal safety of TDF in HIV-uninfected persons. Design and methods: The Iniciativa Profilaxis Pre-Exposición (iPrEx) study randomly assigned 2499 HIV-seronegative men and transgender women who have sex with men (MSM) to receive oral daily TDF coformulated with emtricitabine (FTC/TDF) or placebo. Serum creatinine and phosphorus during randomized treatment and after discontinuation were measured, and creatinine clearance (CrCl) was estimated by the Cockcroft–Gault equation. Indicators of proximal renal tubulopathy (fractional excretion of phosphorus and uric acid, urine protein, and glucose) were measured in a substudy. Results: There was a small but statistically significant decrease in CrCl from baseline in the active arm, compared to placebo, which was first observed at week 4 (mean change: −2.4 vs. −1.1 ml/min; P = 0.02), persisted through the last on-treatment visit (mean change: +0.3 vs. +1.8 ml/min; P = 0.02), and resolved after stopping pre-exposure prophylaxis (mean change: −0.1 vs. 0.0 ml/min; P = 0.83). The effect was confirmed when stratifying by drug detection. The effect of FTC/TDF on CrCl did not vary by race, age, or history of hypertension. There was no difference in serum phosphate trends between the treatment arms. In the substudy, two participants receiving placebo had indicators of tubulopathy. Conclusions: In HIV-seronegative MSM, randomization to FTC/TDF was associated with a very mild nonprogressive decrease in CrCl that was reversible and managed with routine serum creatinine monitoring.
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[Consensus Statement by GeSIDA/National AIDS Plan Secretariat on antiretroviral treatment in adults infected by the human immunodeficiency virus (Updated January 2013)]. Enferm Infecc Microbiol Clin 2013; 31:602.e1-602.e98. [PMID: 24161378 DOI: 10.1016/j.eimc.2013.04.009] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2013] [Accepted: 04/08/2013] [Indexed: 02/08/2023]
Abstract
OBJECTIVE This consensus document is an update of combined antiretroviral therapy (cART) guidelines for HIV-1 infected adult patients. METHODS To formulate these recommendations a panel composed of members of the GeSIDA/National AIDS Plan Secretariat (Grupo de Estudio de Sida and the Secretaría del Plan Nacional sobre el Sida) reviewed the efficacy and safety advances in clinical trials, cohort and pharmacokinetic studies published in medical journals (PubMed and Embase) or presented in medical scientific meetings. The strength of the recommendations and the evidence which support them are based on a modification of the criteria of Infectious Diseases Society of America. RESULTS cART is recommended in patients with symptoms of HIV infection, in pregnant women, in serodiscordant couples with high risk of transmission, in hepatitisB co-infection requiring treatment, and in HIV nephropathy. cART is recommended in asymptomatic patients if CD4 is <500cells/μl. If CD4 are >500cells/μl cART should be considered in the case of chronic hepatitisC, cirrhosis, high cardiovascular risk, plasma viral load >100.000 copies/ml, proportion of CD4 cells <14%, neurocognitive deficits, and in people aged >55years. The objective of cART is to achieve an undetectable viral load. The first cART should include 2 reverse transcriptase inhibitors (RTI) nucleoside analogs and a third drug (a non-analog RTI, a ritonavir boosted protease inhibitor, or an integrase inhibitor). The panel has consensually selected some drug combinations, for the first cART and specific criteria for cART in acute HIV infection, in tuberculosis and other HIV related opportunistic infections, for the women and in pregnancy, in hepatitisB or C co-infection, in HIV-2 infection, and in post-exposure prophylaxis. CONCLUSIONS These new guidelines update previous recommendations related to first cART (when to begin and what drugs should be used), how to monitor, and what to do in case of viral failure or adverse drug reactions. cART specific criteria in comorbid patients and special situations are similarly updated.
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Driver TH, Scherzer R, Peralta CA, Tien PC, Estrella MM, Parikh CR, Butch AW, Anastos K, Cohen MH, Nowicki M, Sharma A, Young MA, Abraham A, Shlipak MG. Comparisons of creatinine and cystatin C for detection of kidney disease and prediction of all-cause mortality in HIV-infected women. AIDS 2013; 27:2291-9. [PMID: 23669156 PMCID: PMC3919542 DOI: 10.1097/qad.0b013e328362e874] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
BACKGROUND Cystatin C could improve chronic kidney disease (CKD) classification in HIV-infected women relative to serum creatinine. DESIGN Retrospective cohort analysis. METHODS Cystatin C and creatinine were measured from specimens taken and stored during the 1999-2000 examination among 908 HIV-infected participants in the Women's Interagency HIV study (WIHS). Mean follow-up was 10.2 years. Predictors of differential glomerular filtration rate (GFR) estimates were evaluated with multivariable linear regression. The associations of baseline categories (<60, 60-90, and >90 ml/min per 1.73 m) of creatinine estimated GFR (eGFRcr), cystatin C eGFR (eGFRcys), and combined creatinine-cystatin C eGFR (eGFRcr-cys) with all-cause mortality were evaluated using multivariable Cox regression. The net reclassification index (NRI) was calculated to evaluate the effect of cystatin C on reclassification of CKD staging. RESULTS CKD risk factors were associated with lower eGFRcys and eGFRcr-cys values compared with eGFRcr. Relative to eGFR more than 90, the eGFR less than 60 category by eGFRcys (Adjusted hazard ratio: 2.56; 95% confidence interval: 1.63-4.02), eGFRcr-cys (3.11; 1.94-5.00), and eGFRcr (2.34; 1.44-3.79) was associated with increased mortality risk. However, the eGFR 60-90 category was associated with increased mortality risk for eGFRcys (1.80; 1.28-2.53) and eGFRcr-cys (1.91; 1.38-2.66) but not eGFRcr (1.20; 0.85-1.67). The overall NRI for mortality was 26% when reclassifying from eGFRcr to eGFRcys (P < 0.001) and was 20% when reclassifying from eGFRcr to eGFRcr-cys (P < 0.001). CONCLUSION The addition of cystatin C may improve mortality risk prediction by stages of kidney function relative to creatinine. CKD risk factors are associated with an overestimate of GFR by serum creatinine relative to cystatin C.
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Affiliation(s)
- Todd H Driver
- aSchool of Medicine bDepartment of Medicine cDepartment of Epidemiology and Biostatistics, San Francisco Veterans Affairs Medical Center, University of California, San Francisco, California dDepartment of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland eSection of Nephrology, Department of Medicine fProgram of Applied Translational Research, Yale University, New Haven, Connecticut gClinical Immunology Research Laboratory, University of California, Los Angeles, California hDepartments of Medicine and of Epidemiology and Population Health, Albert Einstein College of Medicine, Bronx, New York iDepartments of Medicine, Stroger Hospital and Rush University, Chicago, Illinois jUniversity of Southern California, Los Angeles, California kDivision of Infectious Diseases, Department of Medicine, SUNY Downstate Medical Center, Brooklyn, New York lGeorgetown University Medical Center, Washington, DC, USA
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Taiwo B, Yanik EL, Napravnik S, Ryscavage P, Koletar SL, Moore R, Mathews WC, Crane HM, Mayer K, Zinski A, Kahn JS, Eron JJ. Evidence for risk stratification when monitoring for toxicities following initiation of combination antiretroviral therapy. AIDS 2013; 27:1593-602. [PMID: 23435300 PMCID: PMC4108282 DOI: 10.1097/qad.0b013e3283601115] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
OBJECTIVE Laboratory monitoring is recommended during combination antiretroviral therapy (cART), but the pattern of detected abnormalities and optimal monitoring are unknown. We assessed laboratory abnormalities during initial cART in 2000-2010 across the United States. DESIGN Observational study in the Centers for AIDS Research Network of Integrated Clinical Systems Cohort. METHODS Among patients with normal results within a year prior to cART initiation, time to first significant abnormality was assessed by Kaplan-Meier curves stratified by event type, with censoring at first of regimen change, loss to follow-up, or 104 weeks. Incidence rates of first events were estimated using Poisson regression; multivariable analyses identified associated factors. Results were stratified by time (16 weeks) from therapy initiation. RESULTS A total of 3470 individuals contributed 3639 person-years. Median age, pre-cART CD4, and follow-up duration were 40 years, 206 cells/μl, and 51 weeks, respectively. Incidence rates for significant abnormalities (per 100 person-years) in the first 16 weeks post-cART initiation were as follows: lipid=49 [95% confidence interval (CI) 41-58]; hematologic=44 (40-49); hepatic=24 (20-27); and renal=9 (7-11), dropping substantially during weeks 17-104 of cART to lipid=23 (18-29); hematologic=5 (4-6); hepatic=6 (5-8); and renal=2 (1-3) (all P<0.05). Among patients receiving initial cART with no prior abnormality (N=1889), strongest associations for hepatic abnormalities after 16 weeks were hepatitis B and C [hazard ratio=2.3 (95% CI 1.2-4.5) and hazard ratio=3.0 (1.9-4.5), respectively]. The strongest association for renal abnormalities was hypertension [hazard ratio=2.8 (1.4-5.6)]. CONCLUSION New abnormalities decreased after week 16 of cART. For abnormalities not present by week 16, subsequent monitoring should be guided by comorbidities.
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Affiliation(s)
- Babafemi Taiwo
- Infectious Diseases Division, Northwestern University, Chicago, IL 60611, USA.
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Morlat P, Vivot A, Vandenhende MA, Dauchy FA, Asselineau J, Déti E, Gerard Y, Lazaro E, Duffau P, Neau D, Bonnet F, Chêne G. Role of traditional risk factors and antiretroviral drugs in the incidence of chronic kidney disease, ANRS CO3 Aquitaine cohort, France, 2004-2012. PLoS One 2013; 8:e66223. [PMID: 23776637 PMCID: PMC3680439 DOI: 10.1371/journal.pone.0066223] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2012] [Accepted: 05/01/2013] [Indexed: 11/29/2022] Open
Abstract
Objective To examine the role of antiretroviral drugs (ART), HIV-related and traditional risk factors on the incidence of chronic kidney disease (CKD) in HIV-infected patients. Design Prospective hospital-based cohort of HIV-infected patients from 2004 to 2012. Methods CKD was defined using MDRD equation as an estimated glomerular filtration rate (eGFR) less than 60 ml/mn/1.73 m2 at 2 consecutive measurements ≥3 months apart. Poisson regression models were used to study determinants of CKD either measured at baseline or updated. ART exposure was classified as ever or never. We additionally tested the role of tenofovir (TDF), whether or not prescribed concomitantly with a Protease Inhibitor (PI), taking into account the cumulative exposure to the drug. Results 4,350 patients (74% men) with baseline eGFR>60 ml/mn/1.73 m2 were followed for a median of 5.8 years. At the end of follow-up, 96% had received ART, one third of them (35%) jointly received TDF and a PI. Average incidence rate of CKD was 0.95% person-years of follow-up. Incidence of CKD was higher among women (IRR = 2.2), older patients (>60 y vs <45 y: IRR = 2.5 and 45–60 y: IRR = 1.7), those with diabetes (IRR = 1.9), high blood pressure (IRR = 1.5), hyperlipidemia (IRR = 1.5), AIDS stage (IRR = 1.4), low baseline eGFR (IRR = 15.8 for 60<eGFR<70 ml/mn/1.73 m2 vs >90 and IRR = 7.1 for 70<eGFR<80 ml/mn/1.73 m2), current CD4+<200 cells/mm3 vs >500/mm3 (IRR = 2.5), and exposure to TDF (IRR = 2.0). Exposure to TDF was even strongly associated with CKD when co-administered with PIs (IRR = 3.1 vs 1.3 when not, p<0,001). A higher risk of CKD was found when tenofovir exposure was >12 months [IRR = 3.0 with joint PIs vs 1.3 without (p<0.001)]. A vast majority of those developing CKD (76.6%) had a baseline eGFR between 60 and 80 ml/mn/1.73 m2. Conclusion In patients with eGFR between 60 and 80 mL/min/1.73 m2, a thorough control of CKD risk factors is warranted. The use of TDF, especially when co-administered with PIs, should be mentioned as a relative contraindication in presence of at least one of these risk factors.
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Affiliation(s)
- Philippe Morlat
- Univ. Bordeaux, ISPED, Centre INSERM U897-Epidemiologie-Biostatistique, Bordeaux, France.
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Prevalence of renal disease within an urban HIV-infected cohort in northern Italy. Clin Exp Nephrol 2013; 18:104-12. [PMID: 23712539 DOI: 10.1007/s10157-013-0817-5] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2013] [Accepted: 05/02/2013] [Indexed: 12/16/2022]
Abstract
BACKGROUND Renal disease is an increasingly recognized noninfectious comorbidity associated with human immunodeficiency virus (HIV) infection. METHODS Our retrospective, cross-sectional study evaluated prevalence of nephropathy among HIV-infected patients followed up in our outpatient clinic during the year 2011. Renal dysfunction and chronic kidney disease (CKD) were defined as estimated glomerular filtration rate (eGFR) <90 ml/min per 1.73 m(2) and as renal damage or eGFR <60 ml/min per 1.73 m(2) over a 3-month or greater period, respectively. RESULTS We enrolled 894 HIV-infected patients with a mean age of 44.2 years and a mean current CD4 lymphocyte count of 508 cells/mm(3). The prevalence of renal dysfunction and CKD was 27.4 and 21.3 %, respectively. Older age, male gender, hypertension, diabetes, proteinuria, hypertriglyceridemia, lower nadir CD4 cell count, current use of tenofovir or tenofovir plus a ritonavir-boosted protease inhibitor were independently associated with renal dysfunction. CONCLUSION Renal dysfunction is a frequent comorbidity among HIV-infected persons and requires a careful clinical and laboratory monitoring of renal function.
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Abstract
Antiretroviral therapy has been immensely successful in reducing the incidence of opportunistic infections and death after HIV infection. This has resulted in heightened interest in noninfectious comorbidities including kidney disease. Although HIV-associated nephropathy, the most ominous kidney disease related to the direct effects of HIV, may be prevented and treated with antiretrovirals, kidney disease remains an important issue in this population. In addition to the common risk factors for kidney disease of diabetes mellitus and hypertension, HIV-infected individuals have a high prevalence of other risk factors, including hepatitis C and exposure to antiretrovirals and other medications. Therefore, the differential diagnosis is vast. Early identification (through efficient screening) and prompt treatment of kidney disease in HIV-infected individuals are critical to lead to better outcomes. This review focuses on clinical and epidemiological issues, treatment strategies (including dialysis and kidney transplantation), and recent advances among kidney disease in the HIV population.
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Laprise C, Baril JG, Dufresne S, Trottier H. Association between tenofovir exposure and reduced kidney function in a cohort of HIV-positive patients: results from 10 years of follow-up. Clin Infect Dis 2012; 56:567-75. [PMID: 23143096 DOI: 10.1093/cid/cis937] [Citation(s) in RCA: 66] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Some studies have shown that tenofovir disoproxil fumarate (TDF), a drug widely used in highly active antiretroviral therapy, is associated with kidney dysfunction, but the magnitude of the effect and its clinical impact is still being debated. Our objective was to evaluate the association between long-term TDF exposure and kidney dysfunction in a cohort of 1043 human immunodeficiency virus-positive patients followed up for 10 years and to quantify the loss in estimated glomerular filtration rate (eGFR) in patients exposed to TDF in comparison with those exposed to other antiretroviral therapies. METHODS Adjusted hazard ratios (HR) and odds ratios (OR) for the association between TDF and kidney dysfunction (defined as eGFR <90 mL/min/1.73 m(2)) were calculated using the Cox proportional hazards model and generalized estimating equations. Mean loss in eGFR attributable to TDF by cumulative years of exposure was estimated using linear regressions. RESULTS Tenofovir exposure increased the risk of kidney dysfunction by 63% (HR, 1.63; 95% confidence interval, 1.26-2.10). The cumulative eGFR loss directly attributable to TDF after 1, 2, 3, and 4 years of TDF exposure was -3.05 (P = .017), -4.05 (P = .000), -2.42 (P = .023), and -3.09 mL/min/1.73 m(2) (P = .119), respectively, which shows that most of the loss occurred during the first years of exposure. CONCLUSIONS In this cohort, TDF exposure was associated with reduced kidney function, but the loss in eGFR attributable to TDF is relatively mild in a long-term perspective.
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Affiliation(s)
- Claudie Laprise
- Department of Social and Preventive Medicine, University of Montreal, Montreal, Quebec, Canada.
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Calza L, Trapani F, Salvadori C, Magistrelli E, Manfredi R, Colangeli V, Di Bari MA, Borderi M, Viale P. Incidence of renal toxicity in HIV-infected, antiretroviral-naïve patients starting tenofovir/emtricitabine associated with efavirenz, atazanavir/ritonavir, or lopinavir/ritonavir. ACTA ACUST UNITED AC 2012; 45:147-54. [PMID: 22991923 DOI: 10.3109/00365548.2012.712213] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
OBJECTIVES We performed a retrospective cohort study of HIV-infected antiretroviral-naïve patients starting a first antiretroviral therapy with tenofovir/emtricitabine plus efavirenz (EFV), atazanavir/ritonavir (ATV/r), or lopinavir/ritonavir (LPV/r). METHODS The incidence of renal impairment or proximal tubular dysfunction was evaluated during a 12-month follow-up. Renal impairment was diagnosed by a reduced estimated glomerular filtration rate (eGFR) calculated using the Modification of Diet in Renal Disease (MDRD) formula, and tubular dysfunction was diagnosed when ≥ 2 among proteinuria, glucosuria, hypouricaemia, hypophosphataemia, and hypokalaemia, were identified. RESULTS A total of 235 patients were enrolled: 82 taking EFV, 78 ATV/r, and 75 LPV/r. The mean decline in eGFR after the 12-month follow-up was significantly greater in subjects treated with ATV/r (-10.4 ml/min/1.73 m(2)) than in those receiving EFV (- 5.1; p = 0.002) or LPV/r (-4.8; p = 0.003). Similarly, a significantly higher incidence of proximal tubulopathy was observed among ATV/r-treated patients (14.1%) compared with patients receiving EFV (4.9%) or LPV/r (5.3%). CONCLUSIONS In our retrospective study, naïve patients receiving tenofovir/emtricitabine and ATV/r for 12 months showed a significantly higher decline in eGFR and a significantly higher incidence of proximal tubulopathy than those receiving tenofovir/emtricitabine plus EFV or LPV/r, even though clinically evident renal toxicity associated with tenofovir-based treatment is a very uncommon event.
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Affiliation(s)
- Leonardo Calza
- Department of Internal Medicine, Geriatrics and Nephrologic Diseases, Alma Mater Studiorum University of Bologna, S. Orsola-Malpighi Hospital, Bologna, Italy.
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Calza L. Renal toxicity associated with antiretroviral therapy. HIV CLINICAL TRIALS 2012; 13:189-211. [PMID: 22849961 DOI: 10.1310/hct1304-189] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Renal disease is becoming an increasingly prevalent comorbidity in patients with human immunodeficiency virus (HIV) infection. The increase in life expectancy following the introduction of highly active antiretroviral therapy (HAART) and the long-term development of metabolic complications (such as diabetes and dyslipidaemia), hypertension, and vascular diseases can contribute to the increasing frequency in the recognition of renal impairment in HIV-infected patients. Some antiretroviral agents, and particularly tenofovir, have been associated with nephrotoxic drug effects, including decline in glomerular filtration rate, proximal tubular damage, and acute kidney injury. The occurrence of clinically evident renal toxicity in patients treated with HAART seems to be very low, but glomerular or tubular subclinical dysfunction may occur more frequently. Therefore, careful clinical and laboratory monitoring for the early recognition of renal abnormalities is recommended for all subjects receiving antiretroviral treatment. In this article, the current knowledge about the nephrotoxic effects of antiretroviral agents has been reviewed, and an algorithm for screening and management of HAART-related kidney disease is proposed in the light of the most recent clinical studies and international guidelines.
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Affiliation(s)
- Leonardo Calza
- Department of Internal Medicine, Geriatrics and Nephrologic Diseases, Section of Infectious Diseases, S.Orsola-Malpighi Hospital, Alma Mater Studiorum University of Bologna, Bologna, Italy.
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[Consensus document of Gesida and Spanish Secretariat for the National Plan on AIDS (SPNS) regarding combined antiretroviral treatment in adults infected by the human immunodeficiency virus (January 2012)]. Enferm Infecc Microbiol Clin 2012; 30:e1-89. [PMID: 22633764 DOI: 10.1016/j.eimc.2012.03.006] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2012] [Accepted: 03/19/2012] [Indexed: 11/20/2022]
Abstract
This consensus document has been prepared by a panel consisting of members of the AIDS Study Group (Gesida) and the Spanish Secretariat for the National Plan on AIDS (SPNS) after reviewing the efficacy and safety results of clinical trials, cohort and pharmacokinetic studies published in medical journals, or presented in medical scientific meetings. Gesida has prepared an objective and structured method to prioritise combined antiretroviral treatment (cART) in naïve patients. Recommendations strength (A, B, C) and the evidence which supports them (I, II, III) are based on a modification of the Infectious Diseases Society of America criteria. The current antiretroviral treatment (ART) of choice for chronic HIV infection is the combination of three drugs. ART is recommended in patients with symptomatic HIV infection, in pregnancy, in serodiscordant couples with high transmission risk, hepatitis B fulfilling treatment criteria, and HIV nephropathy. Guidelines on ART treatment in patients with concurrent diagnosis of HIV infection and an opportunistic type C infection are included. In asymptomatic patients ART is recommended on the basis of CD4 lymphocyte counts, plasma viral load and patient co-morbidities, as follows: 1) therapy should be started in patients with CD4 counts <350 cells/μL; 2) when CD4 counts are between 350 and 500 cells/μL, therapy will be recommended and only delayed if patient is reluctant to take it, the CD4 are stabilised, and the plasma viral load is low; 3) therapy could be deferred when CD4 counts are above 500 cells/μL, but should be considered in cases of cirrhosis, chronic hepatitis C, high cardiovascular risk, plasma viral load >10(5) copies/mL, proportion of CD4 cells <14%, and in people aged >55 years. ART should include 2 reverse transcriptase inhibitors nucleoside analogues and a third drug (non-analogue reverse transcriptase inhibitor, ritonavir boosted protease inhibitor or integrase inhibitor). The panel has consensually selected and given priority to using the Gesida score for some drug combinations, some of them co-formulated. The objective of ART is to achieve an undetectable viral load. Adherence to therapy plays an essential role in maintaining antiviral response. Therapeutic options are limited after ART failures, but an undetectable viral load may be possible nowadays. Adverse events are a fading problem of ART. Guidelines in acute HIV infection, in women, in pregnancy, and to prevent mother-to-child transmission and pre- and post-exposition prophylaxis are commented upon. Management of hepatitis B or C co-infection, other co-morbidities, and the characteristics of ART in HIV-2 infection are included.
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Gagneux-Brunon A, Mariat C, Delanaye P. Cystatin C in HIV-infected patients: promising but not yet ready for prime time. Nephrol Dial Transplant 2012; 27:1305-13. [DOI: 10.1093/ndt/gfs001] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
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Grinsztejn B, Smeaton L, Barnett R, Klingman K, Hakim J, Flanigan T, Kumarasamy N, Campbell T, Currier J. Sex-associated differences in pre-antiretroviral therapy plasma HIV-1 RNA in diverse areas of the world vary by CD4(+) T-cell count. Antivir Ther 2011; 16:1057-62. [PMID: 22024521 PMCID: PMC3205462 DOI: 10.3851/imp1872] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
BACKGROUND Sex differences in the natural history of HIV infection may vary between resource-rich and resource-limited settings. METHODS Baseline characteristics from a randomized clinical trial of treatment-naive subjects conducted at sites in Africa, Asia, the Caribbean, and North and South America were analysed to determine if there were significant differences by sex. RESULTS Of the 1,571 participants, 740 (47.1%) were women. Women had higher mean screening CD4(+) T-cell counts (mean 15 cells higher; P<0.001), lower mean haemoglobin and creatinine clearance, a lower mean baseline HIV-1 viral load (4.85 log(10) versus 5.05 log₁₀ copies/ml; P<0.001) and were less likely to have a prior AIDS diagnosis than men. The sex difference in viral load was related to CD4(+) T-cell count; however, it was independent of country and persisted within the strata with CD4(+) T-cell count <200 cells/mm³. CONCLUSIONS Women in resource-limited settings have lower levels of plasma HIV-1 RNA and appear to present for enrolment into clinical trials at an earlier stage of disease than men. The biological basis for lower viral load in women compared to men remains unexplained. It will be important to determine if the sex differences observed at baseline impact clinical outcomes once the PEARLS clinical trial is completed.
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Affiliation(s)
- Beatriz Grinsztejn
- Evandro Chagas Clinical Research Institute, Oswaldo Cruz Foundation, Manguinhos, Brazil.
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