Targeting Uremic Toxins in Chronic Kidney Disease: Current Challenges and Emerging Therapeutic Strategies

Regiane Stafim da Cunha1, Paulo Cézar Gregório1,2, Amanda Carina Coelho Morais3,4

  • 1Laboratório de Nefrologia Experimental, Departamento de Patologia Básica, Universidade Federal do Paraná, Curitiba 81531-980, Brazil.

Toxins
|July 27, 2026
PubMed

Insights

Chronic kidney disease (CKD) causes toxin buildup, harming organs and increasing cardiovascular risks. New strategies are needed to reduce these uremic toxins, as current dialysis is insufficient.

Area of Science:

  • Nephrology
  • Toxicology
  • Microbiology

Background:

  • Chronic kidney disease (CKD) is a major health issue linked to high mortality, primarily from cardiovascular diseases.
  • Impaired kidney function in CKD leads to the accumulation of uremic toxins, affecting multiple organ systems.
  • Uremic toxins promote cardiovascular disease via inflammation, oxidative stress, and endothelial dysfunction, contributing to atherosclerosis.

Purpose of the Study:

  • To provide a comprehensive review of uremic toxicity in CKD.
  • To explore the pathophysiological mechanisms of uremic toxin accumulation.
  • To examine the role of gut microbiota in uremic toxicity and discuss emerging interventions.

Main Methods:

  • Literature review of existing research on chronic kidney disease and uremic toxins.
  • Analysis of the pathophysiological pathways involved in uremic toxicity.
  • Investigation of the gut microbiota's role and its metabolic contribution to uremic toxins.

Main Results:

  • Uremic toxins contribute to cardiovascular disease, neurological impairment, bone disorders, and sarcopenia.
  • Dietary components and gut microbiota metabolism are significant sources of uremic toxins.
  • Current dialysis methods offer only partial mitigation of uremic toxicity.

Conclusions:

  • Uremic toxins play a critical role in CKD progression and associated complications.
  • Targeting uremic toxin generation, particularly from gut microbiota, is crucial.
  • Development of novel strategies and improved dialysis modalities is necessary to effectively manage uremic toxicity.

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