Used primarily in the treatment of secondary hyperparathyroidism in patients with chronic kidney disease, maxacalcitol helps to regulate calcium and phosphate levels in the blood. It is a vitamin D analog that effectively reduces the secretion of parathyroid hormone, which can otherwise lead to bone disorders and other complications. Administered intravenously during dialysis, it ensures better management of mineral metabolism in these patients. Additionally, it is sometimes applied topically for treating psoriasis, where it helps to normalize skin cell growth and reduce inflammation.