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The next step after anti-osteoporotic drug discontinuation: an up-to-date review of sequential treatment

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Abstract

Several antiresorptive drugs, like bisphosphonates and denosumab, are currently available for the treatment of osteoporosis due to their evidenced efficacy in reducing fracture risk at mid-term. Osteoanabolic therapies, like teriparatide, whose treatment duration is limited to 2 years, have also shown efficacy in the reduction of fracture risk. However, depending on the severity of osteoporosis and the presence of other associated risk factors for fracture, some patients may require long-term treatment to preserve optimal bone strength and minimize bone fracture risk. Given the limited duration of some treatments, the fact that most of the antiresorptive drugs have not been assessed beyond 10 years, and the known long-term safety issues of these drugs, including atypical femoral fractures or osteonecrosis of the jaw, the long-term management of these patients may require an approach based on drug discontinuation and/or switching. In this regard, interest in sequential osteoporosis therapy, wherein drugs are initiated and discontinued over time, has grown in recent years, although the establishment of an optimal and individualized order of therapies remains controversial. This review reports the currently available clinical evidence on the discontinuation effects of different anti-osteoporotic drugs, as well as the clinical outcomes of the different sequential treatment regimens. The objective of this article is to present up-to-date practical knowledge on this area in order to provide guidance to the clinicians involved in the management of patients with osteoporosis.

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Acknowledgements

We thank the following for permission to reproduce the figures that have appeared in published material: Journal of Bone and Mineral Research (John Wiley and Sons) for permission to reproduce Fig. 1 in Cummings et al. [63]; Ogilvy Healthworld Barcelona provided medical writing services (funded by Sociedad Española de Investigación Ósea y del Metabolismo Mineral, SEIOMM).

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Dr. N.G. has received fees for lectures and participation in advisory boards from Amgen, Eli Lilly, Alexion, and UCB. Dr. E.C. has received fees for lectures and/or participation in advisory boards from Amgen, Lilly, UCB and Rubió. Dr. J.B.-R. has received advisory fees from Amgen and Gebro Pharma. Dr. C.G.-A. has received fees for lectures and participation in advisory boards from Amgen, Eli Lilly, Faes, Gebro, and UCB. Dr. G.M.D.-G. holds a research grant from Amgen and Shire, has received advisory fees from Amgen, UCB, Eli Lilly, and Shire and speaker honoraria from Amgen and Eli Lilly. Dr. J.d.P.-M. has received advisory and conference fees, as well as congress grants from Amgen, UCB, and FAES and conference fees from Eli Lilly and Gebro. Dr. P.P. has received lecture fees from Amgen, Eli Lilly, Alexion, and Kyowa Kirin. Dr. M.M.-T. has received fees for lectures and advisory boards from Amgen, UCB, Eli Lilly, Alexion, Shire, and Kyowa Kirin.

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Guañabens, N., Moro-Álvarez, M.J., Casado, E. et al. The next step after anti-osteoporotic drug discontinuation: an up-to-date review of sequential treatment. Endocrine 64, 441–455 (2019). https://doi.org/10.1007/s12020-019-01919-8

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