Wednesday, October 13, 2010

FDA warns of thigh fractures with bone drugs

Osteoporosis drugs used by millions of women to prevent bones from breaking may increase the chances for an unusual type of thigh fracture, U.S. health officials warned on Wednesday. The drugs known as bisphosphonates include Merck & Co Inc's Fosamax, Roche Holding AG's Boniva, Novartis AG's Reclast and Warner Chilcott Plc's Actonel.

The action could drive patients to Amgen Inc's just-launched rival medicine, Prolia, a different type of osteoporosis drug that is the company's most important future growth driver. Food and Drug Administration officials said all bisphosphonates used for osteoporosis will carry a new warning about rare but serious fractures of the thigh bone, even though it remains unclear if the medicines caused the fractures.
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