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Updated: May 18, 2026

Assessment of Vascular Function in Patients With Chronic Kidney Disease
Published on: June 16, 2014
Cardiovascular risk biomarkers in CKD: the inflammation link and the road less traveled
Usama Elewa1, Maria Dolores Sanchez-Niño, Catalina Martin-Cleary
1IIS-Fundacion Jimenez Diaz/UAM/FRIAT, Madrid, Spain.
Insights
Patients with end-stage renal disease face accelerated aging and high mortality. Targeting inflammation, particularly Interleukin-6 (IL-6), shows promise for improving outcomes in these patients.
Area of Science:
- Nephrology
- Gerontology
- Immunology
Background:
- End-stage renal disease (ESRD) patients exhibit accelerated aging with significantly increased cardiovascular and all-cause mortality.
- Current therapeutic interventions have not improved outcomes in ESRD patients.
- Biomarkers like inflammation and chronic kidney disease-mineral and bone disorder (CKD-MBD) predict outcomes but lack clinical trial validation for risk stratification and treatment decisions.
Purpose of the Study:
- To explore the role of biomarkers in risk stratification and therapeutic decision-making for ESRD patients.
- To investigate inflammation as a potential therapeutic target in ESRD.
- To identify novel therapeutic targets by understanding disease pathophysiology through biomarkers.
Main Methods:
- Review of observational studies linking biomarkers (CKD-MBD, asymmetrical dimethyl arginine, tri-iodothyronine) to inflammation and outcomes in ESRD.
- Analysis of the predictive value of inflammation biomarkers, specifically Interleukin-6 (IL-6).
- Examination of ongoing and completed clinical trials targeting IL-6 and IL-1 in inflammatory conditions and cardiovascular injury.
Main Results:
- Inflammation is identified as a key factor in ESRD pathophysiology and a prime target for intervention.
- Interleukin-6 (IL-6) is a highly predictive biomarker for outcomes in ESRD.
- Clinical trials targeting IL-1 have shown success in reducing systemic inflammation in hemodialysis patients.
Conclusions:
- Biomarker-guided therapeutic strategies, particularly targeting inflammation like IL-6, hold potential for improving outcomes in ESRD.
- Successful trials targeting inflammation in other conditions may pave the way for similar interventions in CKD.
- Further clinical trials are warranted to validate the therapeutic potential of targeting biomarkers in ESRD.
Abstract:
End-stage renal disease patients suffer a syndrome of accelerated aging characterized by a 10- to 100-fold increase in cardiovascular and all-cause mortality when compared to age-matched controls. No specific therapeutic interventions have been shown to improve this dismal outcome. Inflammation, chronic kidney disease-mineral and bone disorder (CKD-MBD) and other biomarkers predict outcome in observational studies. However, we lack clinical trials that address the role of these biomarkers in risk stratification and therapeutic decision making. Biomarkers may also provide insights into the pathophysiology of disease and identify novel therapeutic targets. Inflammation emerges as a prime potential target for intervention. Thus, CKD-MBD biomarkers, asymmetrical dimethyl arginine and tri-iodothyronine have a link to inflammation. Interleukin-6 (IL-6) is one of the inflammation biomarkers with highest predictive value for outcome in ESRD. Biologicals targeting IL-6 are approved for the treatment of chronic inflammatory conditions such as rheumatoid arthritis. Furthermore, trials are underway to test IL-6 targeting potential to decrease cardiovascular injury in non-CKD patients. In this regard, targeting IL-1 was recently shown to decrease systemic inflammation in hemodialysis patients. The success of these trials will likely influence future studies on biomarker targeting in CKD.
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