Abstract
Disturbances in the calcium, phosphorus and parathormone metabolism are frequent in chronic kidney disease, resulting from decreased renal mass and the synthesis of 1, 25-dihydroxy vitamin D (calcitriol). The calcitriol drift of 25-hydroxy vitamin D (calcidiol), which is derived from the pro-vitamin D, ergocalciterol and cholecalciferol. It maintains the calcium homeostasis and also has i…