Elcatonin (molecular formula: C148H244N42O47) is a kind of single, non-glycosylated polypeptide chain consisting of 31 amino acids. It is a calcitonin derivative, and is used as an anti-parathyroid agent. It is mainly used for remitting and eliminating the pain induced by Osteoporosis. It has several physiological effects including: (1) inhibit the absorption and autolysis of bones, thus leading to the reduction of the blood calcium level; (2) inhibit the dissolving and transferring of bone salts, further promoting the excretion of calcium and phosphorus in urine; (3) it inhibits the process of calcium, phosphorus and sodium re-absorption by renal tubules.
