Burosumab, sold under the brand name Crysvita, is a human monoclonal antibody medication approved 2018 for the treatment of X-linked hypophosphatemia and tumor-induced osteomalacia.
Burosumab, sold under the brand name Crysvita, is a human monoclonal antibody medication approved 2018 for the treatment of X-linked hypophosphatemia and tumor-induced osteomalacia.
== Medical uses == In the European Union and the United States, burosumab is indicated for the treatment of adults and children ages one year and older with X-linked hypophosphatemia (XLH), a rare, inherited form of rickets. caused by overproduction of a hormone called FGF23 (fibroblast growth factor 23) in bone cells. FGF23 is responsible for blocking phosphate re-absorption in the kidney and the suppression of the vitamin D dependent phosphate absorption in the intestine. Due to the excess activity of FGF23, phosphate levels in the blood are abnormally low (hypophosphatemia), which affects the constitution of bone.
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