Vitamin D supplements may benefit children with kidney disease
Date:
June 11, 2015
Source:
American Society of Nephrology (ASN)
Summary:
Among children with chronic kidney disease, those with lower vitamin D levels had higher levels of blood markers related to kidney dysfunction as well as greater kidney function loss over time, researchers report. Five-year kidney survival was 75% in patients with vitamin D levels ?50 nMol/L at the start of the study and 50% in those with lower levels.
Maintaining normal vitamin D levels helps preserve kidney function in children with chronic kidney disease (CKD), according to a study appearing in an upcoming issue of the Journal of the American Society of Nephrology (JASN). The findings indicate that vitamin D -- which is an easily accessible, safe, and inexpensive nutritional supplement -- may be a useful addition to treatments for safeguarding kidney health in children with mild to moderate CKD.
Blocking the renin-angiotensin-aldosterone system (RAAS), which is a complex hormone system that regulates blood pressure and fluid balance, is a cornerstone of therapy in CKD. Unfortunately, patients may experience a limited response to drugs such as angiotensin-converting enzyme inhibitors (ACEIs) that target the RAAS over time, and intensifying treatment with these drugs can lead to side effects. Patients may experience benefits from adding other therapies that can augment RAAS blockade, and clinical trials in adults with CKD have shown that vitamin D may have such an effect.
To determine whether vitamin D levels influence CKD progression in children, Rukshana Shroff, MD, PhD (Great Ormond Street Hospital for Children, London, UK) and her colleagues analyzed long-term data on 167 children from a clinical study called the Effect of Strict Blood Pressure Control and ACE Inhibition on Progression of CKD in Pediatric Patients (ESCAPE) trial.
Children with lower vitamin D levels had higher levels of blood markers related to kidney dysfunction as well as greater kidney function loss over time. Five-year kidney survival was 75% in patients with vitamin D levels ≥50 nMol/L at the start of the study and 50% in those with lower levels.
"Nutritional vitamin D supplements like cholecalciferol have a wide therapeutic window. Thus, clinical trials with cholecalciferol, a safe and effective vitamin D supplement with minimal need for monitoring, are recommended in children with CKD," said Dr. Shroff.
Story Source:
The above post is reprinted from materials provided by American Society of Nephrology (ASN). Note: Materials may be edited for content and length.
COMMENT: Vitamin D reigns supreme again. This inexpensive Vitamin continues to show benefits not only for general health, but serious illnesses as well.
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