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Paricalcitol and cardiorenal outcome: from the IMPACT study to clinical practice
Antonio Bellasi1, Andrea Galassi, Paolo Salvi
1Department of Nephrology and Dialysis, Azienda Ospedaliera Sant'Anna, Como, Italy. antonio.bellasi@hsacomo.org
Insights
Vitamin D deficiency is linked to poor outcomes in chronic kidney disease mineral and bone disorders (CKD-MBD). This review examines evidence on vitamin D
Area of Science:
- Nephrology
- Endocrinology
- Cardiovascular Medicine
Background:
- Chronic kidney disease mineral and bone disorders (CKD-MBD) present complex laboratory, vascular, and bone abnormalities.
- The precise pathogenesis of CKD-MBD remains incompletely understood despite extensive research.
- Vitamin D deficiency is a recognized early feature of CKD-MBD, associated with cardiovascular disease and mortality risk.
Purpose of the Study:
- To review current evidence linking vitamin D deficiency to adverse outcomes in CKD patients.
- To summarize recent clinical trial findings on the effects of paricalcitol supplementation on hard outcomes in CKD.
Main Methods:
- Literature review of epidemiological studies on vitamin D levels and CKD-MBD outcomes.
- Analysis of recent clinical trials investigating paricalcitol in CKD patients.
Main Results:
- Epidemiological data consistently associate low serum vitamin D with adverse health markers and increased mortality in CKD populations.
- Clinical trials exploring paricalcitol supplementation are evaluating its impact on major adverse cardiovascular events and overall survival.
Conclusions:
- Vitamin D deficiency is a significant factor contributing to poor prognosis in CKD-MBD.
- Further research and clinical trials are essential to fully elucidate the role of vitamin D and its analogs in managing CKD-MBD and improving patient outcomes.
Abstract:
Chronic kidney disease mineral bone disorders (CKD-MBD) encompass laboratory, vascular and bone abnormalities that might portend a poor prognosis in CKD. In spite of a great effort in elucidating the CKD-MBD natural history and pathogenesis, the underlying mechanisms are still largely unknown. However, a deficit in vitamin D is commonly reported as one of the first steps in CKD-MBD, and numerous epidemiological studies have associated serum vitamin D levels with different markers of cardiovascular disease and the risk of death in different populations. We herein summarize current evidence that links vitamin D deficiency to an adverse outcome and the results of the most recent clinical trials that have investigated the impact of paricalcitol supplementation on hard outcome in CKD patients.
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