NYT: New Cautions About Long-Term Use of Bone Drugs

In an unusual move that may prompt millions of women to rethink their use of popular bone-building drugs, the Food and Drug Administration published an analysis that suggested caution about long-term use of the drugs, but fell short of issuing specific recommendations.

The F.D.A. review, published in The New England Journal of Medicine online on Wednesday, was prompted by a growing debate over how long women should continue using the drugs, known as bisphosphonates, which are sold as generic versions of brands like Fosamax and Boniva, as well as Novartis’s Reclast.

The concern is that after years of use, the drugs may in rare cases actually lead to weaker bones in certain women, contributing to “rare but serious adverse events,” including unusual femur fractures, esophageal cancer and osteonecrosis of the jaw, a painful and disfiguring crumbling of the jaw bone.

Although the concerns about the long-term safety of bone drugs are not new, the F.D.A. performed its own systematic review of the effectiveness of bisphosphonates after years of use. The agency’s analysis, which found little if any benefit from the drugs after three to five years of use, may prompt doctors around the country to rethink how they prescribe them.

Read more here. 

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