Glucocorticoid-induced osteoporosis and rheumatic diseases. Pathogenesis, prevention and treatment

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Glucocorticoids (GC) are diffusely used to treat a wide variety of inflammatory and autoimmune disorders, including rheumatic diseases. GC-induced osteoporosis (GIO) is the most common and serious side-effect for patients receiving GC. Loss of bone mineral density (BMD) is greatest in the first few months of GC use; fracture (Fx) risk is significantly increased at the spine and hip on doses even as low as 2.5 mg of prednisolone daily; Fx risk increases rapidly from the onset of therapy and, for a given BMD, is higher in GIO than in postmenopausal OP. General measures to reduce bone loss include use of the lowest effective dose; consideration of alternative routes of administration; adequate calcium and vitamin D supplementation. Today, results from large randomised controlled clinical trials provide evidence that bone loss and Fx may be prevented through the use of bone sparing agents (hormone therapy, bisphosphonates, PTH 1-34). Bisphosphonates (alendronate, risedronate) are first-choice therapy for the prevention and treatment of GIO; patients at high risk for Fx, for example those in post-menopausal status or aged ³65 years and those with a prior fragility Fx, should be advised to start bone-protective therapy at the time of starting GC. Due to the prevalence of GC use, it is imperative that there be a greater awareness of GIO and of therapies that may be offered to patients both for prevention and treatment

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Di Munno, O., & Delle Sedie, A. (2006). Glucocorticoid-induced osteoporosis and rheumatic diseases. Pathogenesis, prevention and treatment. Reumatismo, 58(1), 11–21. https://doi.org/10.4081/reumatismo.2006.11