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Erschienen in: Current Osteoporosis Reports 1/2019

26.01.2019 | Therapeutics and Medical Management (S Jan de Beur and B Clarke, Section Editors)

Glucocorticoid-Induced Osteoporosis: New Insights into the Pathophysiology and Treatments

verfasst von: Nancy E. Lane

Erschienen in: Current Osteoporosis Reports | Ausgabe 1/2019

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Abstract

Purpose of this Review

The goal of the review is to provide an updated understanding of the pathophysiology of glucocorticoid-induced osteoporosis and treatment recommendations.

Recent Findings

Glucocorticoids reduce osteoblast and osteocyte lifespan and activity and reduce the vascularity of the bone that together may explain the greater reductions in bone strength than those of bone mass. Treatments with parathyroid hormone fragments appear to reverse glucocorticoid-induced bone loss and fracture risk partially through maintaining bone vascularity and bone strength.

Summary

This review identifies how glucocorticoid anti-osteogenic and vascular effects together may reduce bone strength. It also provides guidance to clinicians on rationale treatment for glucocorticoid-induced osteoporosis.
Literatur
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Zurück zum Zitat Yao W, Cheng Z, Busse C, Pham A, Nakamura MC, Lane NE. Glucocorticoid excess in mice results in early activation of osteoclastogenesis and adipogenesis and prolonged suppression of osteogenesis: a longitudinal study of gene expression in bone tissue from glucocorticoid-treated mice. Arthritis Rheum. 2008;58:1674–86. https://doi.org/10.1002/art.23954.CrossRefPubMedCentralPubMed Yao W, Cheng Z, Busse C, Pham A, Nakamura MC, Lane NE. Glucocorticoid excess in mice results in early activation of osteoclastogenesis and adipogenesis and prolonged suppression of osteogenesis: a longitudinal study of gene expression in bone tissue from glucocorticoid-treated mice. Arthritis Rheum. 2008;58:1674–86. https://​doi.​org/​10.​1002/​art.​23954.CrossRefPubMedCentralPubMed
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Zurück zum Zitat Lane NE, Yao W, Balooch M, Nalla RK, Balooch G, Habelitz S, et al. Glucocorticoid-treated mice have localized changes in trabecular bone material properties and osteocyte lacunar size that are not observed in placebo-treated or estrogen-deficient mice. J Bone Miner Res. 2006;21(3):466–76. https://doi.org/10.1359/JBMR.051103.CrossRefPubMed Lane NE, Yao W, Balooch M, Nalla RK, Balooch G, Habelitz S, et al. Glucocorticoid-treated mice have localized changes in trabecular bone material properties and osteocyte lacunar size that are not observed in placebo-treated or estrogen-deficient mice. J Bone Miner Res. 2006;21(3):466–76. https://​doi.​org/​10.​1359/​JBMR.​051103.CrossRefPubMed
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Zurück zum Zitat Lane NE, Mohan G, Yao W, Shidara K, Lay YE, Junjing J, et al. Prevalence of glucocorticoid induced osteonecrosis in the mouse is not affected by treatments that maintain bone vascularity. Bone Reports. 2018;9:181–9. Lane NE, Mohan G, Yao W, Shidara K, Lay YE, Junjing J, et al. Prevalence of glucocorticoid induced osteonecrosis in the mouse is not affected by treatments that maintain bone vascularity. Bone Reports. 2018;9:181–9.
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Zurück zum Zitat • Saag KG, Wagman RB, Geusens P, Adachi JD, Messina OD, Emkey R, et al. Denosumab versus risedronate in glucocorticoid-induced osteoporosis: a multicentre, randomised, double-blind, active-controlled, double-dummy, non-inferiority study. Lancet Diabetes Endocrinol. 2018;6(6):445–54. https://doi.org/10.1016/S2213-8587(18)30075-5. This randomized, double blind, active control study demonstrated that in glucocorticoid-treated subjects, denosumab increased bone mass at the lumbar spine after 12 months significantly more than subjects treated with risedronate. This result was observed in both subjects initiating glucocorticoid treatment or chronic glucocorticoid therapy. CrossRefPubMed • Saag KG, Wagman RB, Geusens P, Adachi JD, Messina OD, Emkey R, et al. Denosumab versus risedronate in glucocorticoid-induced osteoporosis: a multicentre, randomised, double-blind, active-controlled, double-dummy, non-inferiority study. Lancet Diabetes Endocrinol. 2018;6(6):445–54. https://​doi.​org/​10.​1016/​S2213-8587(18)30075-5. This randomized, double blind, active control study demonstrated that in glucocorticoid-treated subjects, denosumab increased bone mass at the lumbar spine after 12 months significantly more than subjects treated with risedronate. This result was observed in both subjects initiating glucocorticoid treatment or chronic glucocorticoid therapy. CrossRefPubMed
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Zurück zum Zitat • Cummings SR, Ferrari S, Eastell R, Gilchrist N, Jensen JB, McClung M, et al. Vertebral fractures after discontinuation of denosumab: a post hoc analysis of the randomized placebo-controlled FREEDOM trial and its extension. J Bone Miner Res. 2018;33(2):190–8. https://doi.org/10.1002/jbmr.3337. This post hoc analysis of the extension of the phase 3 FREEDOM trial determined that subjects that discontinued denosumab had an increase risk of vertebral fractures that was similar to the untreated subjects. Also, many of the subjects that had an incident vertebral fracture after discontinuation of denosumab had multiple vertebral fractures, and subjects with a prior fracture had a greater risk. These results led to the recommendation that subjects discontinuing denosumab should transition to another anti-resorptive agent for a period of time.CrossRefPubMed • Cummings SR, Ferrari S, Eastell R, Gilchrist N, Jensen JB, McClung M, et al. Vertebral fractures after discontinuation of denosumab: a post hoc analysis of the randomized placebo-controlled FREEDOM trial and its extension. J Bone Miner Res. 2018;33(2):190–8. https://​doi.​org/​10.​1002/​jbmr.​3337. This post hoc analysis of the extension of the phase 3 FREEDOM trial determined that subjects that discontinued denosumab had an increase risk of vertebral fractures that was similar to the untreated subjects. Also, many of the subjects that had an incident vertebral fracture after discontinuation of denosumab had multiple vertebral fractures, and subjects with a prior fracture had a greater risk. These results led to the recommendation that subjects discontinuing denosumab should transition to another anti-resorptive agent for a period of time.CrossRefPubMed
Metadaten
Titel
Glucocorticoid-Induced Osteoporosis: New Insights into the Pathophysiology and Treatments
verfasst von
Nancy E. Lane
Publikationsdatum
26.01.2019
Verlag
Springer US
Erschienen in
Current Osteoporosis Reports / Ausgabe 1/2019
Print ISSN: 1544-1873
Elektronische ISSN: 1544-2241
DOI
https://doi.org/10.1007/s11914-019-00498-x

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