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Investigational treatments
Several medications are currently under investigation and may someday expand the treatment options available to patients. These include new forms of bisphosphonates, additional SERMs, Strontium Ranelate, Osteoprotogerin, and many other small proteins that appear to stimulate bone.
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A new bisphosphonate under investigation is zoledronic acid (Zometa). Instead of taking a daily or weekly pill, people may one day receive a single intravenous (in a vein) dose of medicine once a year to treat osteoporosis. Currently available for the treatment of a calcium disorder associated with cancer, Zometa must be shown to reduce the incidence of bone fractures before the Food and Drug Administration will approve it for general use in treating osteoporosis. Studies are currently underway. Early data show that after one infusion, bone density increased at 12 months, and bone turnover decreased for 12 months in postmenopausal women.
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