MASDEN 60 mg/ml (Denosumab) is a prescription medicine used to treat osteoporosis (A condition were bone density reduces and bones become weak and fragile) in women after menopause who are at high risk for fracture and have failed to respond to other medications for osteoporotic treatment. Masden is also used to increase bone mass in men with osteoporosis who are at high risk of fractures. It is also used to treat bone loss in men who are at high risk for fractures receiving certain treatments for prostate cancer that has not spread to other parts of the body. It is also used to treat bone loss in women who are at high risk for fractures receiving certain treatments for breast cancer.