Used primarily in the management of secondary hyperparathyroidism in patients with chronic kidney disease (CKD), particularly those on dialysis. It helps regulate calcium and phosphorus metabolism by suppressing parathyroid hormone (PTH) levels. As a vitamin D analog, it offers targeted action on the parathyroid glands with less impact on calcium and phosphorus absorption in the gut, reducing the risk of mineral imbalances compared to traditional vitamin D therapies. Also used in the prevention and treatment of vitamin D deficiency-related bone disorders in renal patients.