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Vitamin d receptor activators and clinical outcomes in chronic kidney disease

Luciana Gravellone1, Maria Antonietta Rizzo, Valentina Martina

  • 1Specialty School of Nephrology, DMCO, University of Milano Via di Rudini 8, 20142 Milano, Italy.

International Journal of Nephrology
|June 8, 2011
PubMed

Insights

Vitamin D deficiency is a significant risk for cardiovascular disease in chronic kidney disease patients. Vitamin D receptor activators may reduce mortality in hemodialysis patients, but more research is needed.

Area of Science:

  • Nephrology
  • Cardiology
  • Endocrinology

Background:

  • Vitamin D deficiency is an underestimated risk factor for cardiovascular disease (CVD) in patients with chronic kidney disease (CKD).
  • Vitamin D may offer cardiovascular protection beyond its role in mineral metabolism.
  • Active vitamin D metabolites can cause toxicity due to positive calcium and phosphorus balance.

Purpose of the Study:

  • To review the existing literature on the role of vitamin D receptor (VDR) activators in hemodialysis patients.
  • To explore the potential benefits of VDR activators in reducing mortality in this population.

Main Methods:

  • Review of existing scientific literature, including basic science and clinical studies.
  • Analysis of observational studies on VDR activator use in hemodialysis patients.

Main Results:

  • Observational studies suggest that VDR activators (e.g., calcitriol, doxercalciferol, paricalcitol, alfacalcidol) are associated with reduced mortality in hemodialysis patients compared to non-users.
  • Vitamin D analogs have been developed to suppress parathyroid hormone (PTH) with fewer calcemic and phosphatemic effects.

Conclusions:

  • VDR activators show promise in improving outcomes for hemodialysis patients.
  • Further investigation through randomized controlled trials is necessary to definitively establish the beneficial effects of VDR activators in hemodialysis patients.

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