Abstract:
Background:Concomitant dosing of ledipasvir (LDV) and tenofovir disoproxil fumarate (TDF) results in an increased tenofovir (TFV) area under the curve (AUC). The aim of this study was to examine whether there was a correlation between the renal biomarkers retinol binding protein-4 (RBP-4) and β2 microglobulin (β2M) and tenofovir AUC. Methods:The ION-4 trial enrolled HIV/hepatitis C virus-coinfected patients on nonpharmacologically boosted antiretroviral regimens with TDF-containing backbones. We assessed for a correlation between tenofovir AUC and urinary biomarkers and also for changes in serologic biomarkers with respect to clinically relevant changes in renal function (creatinine clearance decrease >25%, change in creatinine >0.2 mg/dL, change in proteinuria from negative/trace to ≥1+). Results:Three hundred thirty-five patients were enrolled in the ION-4 study; their demographic characteristics have been previously described. Both RBP-4 and β2M exhibited positive correlations with tenofovir AUC. Baseline and study levels of RBP-4 and β2M were higher for patients with increases in urine proteinuria and an absolute creatinine increase. Conclusions:TFV exposure is associated with increased proximal tubule urine biomarkers in participants on ledipasvir/sofosbuvir and nonpharmacologically boosted TDF-based antiretroviral regimens. Baseline proximal tubule biomarkers may predict nephrotoxicity risk if events are prevalent. Further studies assessing the predictive role of these urine biomarkers may help guide medical decision-making and risk/benefit assessments in patients with risk factors for renal dysfunction.
journal_name
Open Forum Infect Disjournal_title
Open forum infectious diseasesauthors
Chan A,Park L,Collins LF,Cooper C,Saag M,Dieterich D,Sulkowski M,Naggie Sdoi
10.1093/ofid/ofy273subject
Has Abstractpub_date
2019-01-24 00:00:00pages
ofy273issue
1issn
2328-8957pii
ofy273journal_volume
6pub_type
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journal_title:Open forum infectious diseases
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更新日期:2019-04-25 00:00:00
abstract::Background. Histoplasmosis causes severe disease in patients with defects of cell-mediated immunity. It is not known whether outcomes vary related to the type of immunodeficiency or class of antifungal treatment. Methods. We reviewed cases of active histoplasmosis that occurred at Vanderbilt University Medical Cente...
journal_title:Open forum infectious diseases
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更新日期:2015-02-20 00:00:00
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doi:10.1093/ofid/ofw024
更新日期:2016-02-08 00:00:00
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pub_type:
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更新日期:2019-11-03 00:00:00
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doi:10.1093/ofid/ofy042
更新日期:2018-02-19 00:00:00
abstract::This article provides a comprehensive review of currently available treatment options for infections due to carbapenem-resistant Enterobacteriaceae (CRE). Antimicrobial resistance in Gram-negative bacteria is an emerging and serious global public health threat. Carbapenems have been used as the "last-line" treatment f...
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pub_type: 杂志文章,评审
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更新日期:2015-05-05 00:00:00
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doi:10.1093/ofid/ofy100
更新日期:2018-05-02 00:00:00
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更新日期:2015-02-19 00:00:00
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abstract::Background. First- and second-generation smallpox vaccines are contraindicated in individuals infected with human immunodeficiency virus (HIV). A new smallpox vaccine is needed to protect this population in the context of biodefense preparedness. The focus of this study was to compare the safety and immunogenicity of...
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doi:10.1093/ofid/ofv040
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abstract::Elimination of a rifamycin from the treatment regimen for tuberculosis negatively impacts outcomes. Cross-reactivity between the rifamycins after drug eruptions is unclear. We report 6 consecutive human immunodeficiency virus-infected patients with rifampicin-associated drug rash with eosinophilia and systemic symptom...
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pub_type: 杂志文章
doi:10.1093/ofid/ofw130
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abstract:BACKGROUND:Among the 1.2 M persons living with HIV in the United States, 25% are co- infected with HCV. The availability of effective direct antiviral agents (DAAs) makes the goal of HCV elimination feasible, but implementation requires improvements to the HCV treatment cascade, especially linkage to and initiation of ...
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更新日期:2018-11-01 00:00:00
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更新日期:2019-01-18 00:00:00