There is growing concern among some researchers that bisphosphonates may be adequately beneficial at reducing fracture risk only during the first 5 years of treatment and that the second 5 years of treatment with bisphosphonates are almost certainly not as beneficial. More scientific studies are needed to decide whether bisphosphonate treatment should be discontinued after only 5 years or continued for 10 years or even indefinitely. The following 12 PubMed studies don't completely agree with each other on this issue: http://www.ncbi.nlm.nih.gov/pubmed/19509121 http://www.ncbi.nlm.nih.gov/pubmed/19536944 http://www.ncbi.nlm.nih.gov/pubmed/19122263 http://www.ncbi.nlm.nih.gov/pubmed/18843458 http://www.ncbi.nlm.nih.gov/pubmed/18645694 http://www.ncbi.nlm.nih.gov/pubmed/19491914 http://www.ncbi.nlm.nih.gov/pubmed/19118304 http://www.ncbi.nlm.nih.gov/pubmed/19302584 http://www.ncbi.nlm.nih.gov/pubmed/18971678 http://www.ncbi.nlm.nih.gov/pubmed/19239824 http://www.ncbi.nlm.nih.gov/pubmed/17190893 http://www.ncbi.nlm.nih.gov/pubmed/14640924





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