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Kidney Int ; 97(1): 193-201, 2020 01.
Article in English | MEDLINE | ID: mdl-31337501

ABSTRACT

Hepatitis C virus (HCV) infection is common and can accelerate chronic kidney disease (CKD) progression. Direct-acting antiviral (DAA) therapies against hepatitis C have consistently shown rates of sustained viral remission. However, the effect on kidney function is unknown. In a retrospective observational cohort study of HCV-infected patients receiving DAA therapies from 2013 to 2017, the slopes of estimated glomerular filtration rate (eGFR) decline were compared in the three years before DAA therapy to the slope after therapy. Pre- and post-treatment albuminuria values were also compared. In all, 1,178 patients were included; mean age of 56, 64% male, 71% white, 21% were diabetic, and 42% with cirrhosis. In patients with eGFR less than 60ml/min per 1.73m2, the annual decline in eGFR in the three years prior to treatment was -5.98 ml/min per year (95% confidence interval -7.30 to -4.67) and improved to -1.32 ml/min per year (95% confidence interval -4.50 to 1.88) after DAA therapy. In patients with eGFR greater than 60ml/min per 1.73m2 the annual decline in eGFR in the three years prior to treatment was -1.43 ml/min per year (95% confidence interval -1.78 to -1.08) and after DAA therapy was -2.32 ml/min per year (95% confidence interval -3.36 to -1.03). Albuminuria improved significantly in patients without diabetes, but not in those with diabetes. Predictors of eGFR improvement included having CKD at baseline and being non-diabetic. Events of acute kidney injury were rare, occurring in 29 patients, and unrelated to antiviral therapy in 76% of cases. Thus, DAA therapy for HCVs infection may slow CKD progression.


Subject(s)
Acute Kidney Injury/epidemiology , Albuminuria/drug therapy , Antiviral Agents/administration & dosage , Hepatitis C, Chronic/drug therapy , Renal Insufficiency, Chronic/drug therapy , Acute Kidney Injury/blood , Acute Kidney Injury/chemically induced , Adult , Aged , Albuminuria/diagnosis , Albuminuria/urine , Albuminuria/virology , Antiviral Agents/adverse effects , Creatinine/blood , Disease Progression , Female , Glomerular Filtration Rate/drug effects , Hepacivirus/pathogenicity , Hepatitis C, Chronic/complications , Hepatitis C, Chronic/urine , Hepatitis C, Chronic/virology , Humans , Male , Middle Aged , Renal Insufficiency, Chronic/diagnosis , Renal Insufficiency, Chronic/urine , Renal Insufficiency, Chronic/virology , Retrospective Studies , Treatment Outcome
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