Annual bisphosphonates offer OA hope

A once-a-year course of bisphosphonates could be used to treat osteoarthritis and prevent joint replacement surgery, say Australian researchers.

The osteoporosis drug may help slow the progression of osteoarthritis by treating the bone, rather than focusing on cartilage, according to the research team about to begin a new randomised, controlled trial.

"There is more and more research suggesting knee osteoarthritis is not simply a disease of the cartilage. The cartilage bone unit is very important in