Which risk factors should be considered in determining the duration of bisphosphonate therapy for osteoporosis?

Updated: Sep 26, 2019
  • Author: Monique Bethel, MD; Chief Editor: Herbert S Diamond, MD  more...
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Answer

Some studies have sought to clarify the true risks of complications in patients receiving bisphosphonates. A Canadian study by Park-Willie et al found the estimated absolute risk of a subtrochanteric or femoral shaft fracture to be low in 52,595 women with at least 5 years of bisphosphonate therapy (0.13% during the subsequent year and 0.22% within 2 years). [142] Overall, a patient’s risk of fracture can be used to help guide length of treatment. Patients at high risk may be continued on bisphosphonates after 5 years; however, in some patients, especially those with a lower risk of fracture, bisphosphonate treatment may be stopped. [143]


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