HCV and the kidney

Marion Corouge1,2, Anaïs Vallet-Pichard1,2, Stanislas Pol1,2

  • 1Hepatology Department, Université Paris Descartes, Cochin Hospital, APHP, Paris, France.

Insights

Chronic hepatitis C (CHC) significantly harms kidney function, increasing mortality in dialysis patients. Oral antiviral therapies, like direct-acting antivirals (DAAs), offer excellent outcomes for CHC patients with advanced chronic kidney disease.

Area of Science:

  • Nephrology
  • Hepatology
  • Virology

Background:

  • Chronic hepatitis C (CHC) is linked to progressive renal deterioration.
  • Advanced chronic kidney disease (CKD) exacerbates hepatitis C virus (HCV) infection and impacts liver health, transplantation outcomes, and patient survival.
  • HCV-infected dialysis patients face higher mortality rates compared to uninfected patients or HCV-infected kidney recipients.

Purpose of the Study:

  • To highlight the critical association between CHC and renal impairment.
  • To emphasize the necessity of oral antiviral treatments for CKD patients with HCV.
  • To advocate for prioritized treatment access for specific CKD patient groups.

Main Methods:

  • Review of existing literature on CHC, CKD, and HCV outcomes.
  • Analysis of mortality data comparing different patient cohorts (dialysis, kidney recipients).
  • Evaluation of current treatment guidelines and outcomes for direct-acting antiviral (DAA) therapies in CKD.

Main Results:

  • Renal impairment, particularly stage 4-5 CKD, increases HCV prevalence and negatively affects liver health and transplant outcomes.
  • HCV-infected dialysis patients exhibit significantly higher mortality.
  • DAA treatment in late-stage CKD patients demonstrates excellent efficacy, comparable to the general population.

Conclusions:

  • Oral antiviral therapies are crucial for managing HCV in patients with CKD.
  • Patients with stage 4-5 CKD, including dialysis patients and kidney recipients, require prioritized access to DAAs.
  • Further research is needed to refine DAA treatment protocols for CKD patients, focusing on dosage adjustments and drug interactions.

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