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[Therapeutic innovation in osteoporosis (antisclerostin antibody and denosumab)].

Abstract : Prevalence of osteoporosis, a systemic disease characterized by an impairment of bone mass, will continue to increase due to an ageing population and result in greater risks of fractures with disastrous medical and socioeconomic consequences. A better understanding of the regulation pathway of bone remodeling has led to the identification of new therapeutic targets. Denosumab, a monoclonal antibody against Receptor Activator of Nuclear factor κB-ligand (key molecule in osteoclastogenesis) is a fast-working, reversible antiresorptive treatment. A subcutaneous injection is required twice a year, a significant advantage over bisphosphonates whose efficiency is limited by an inadequate long-term compliance. The only anabolic agent currently available, Teriparatide (parathyroid hormone residues 1-34), administered daily via subcutaneous injection, stimulates both sides of bone remodeling in favour of bone formation. Anti-sclerostin antibodies neutralize an inhibitor of Wnt pathway, the master switch for osteoblastic differentiation, and meet the challenge of pioneering an anabolic drug that does not increase bone resorption. If the tolerance of these promising treatments is good in clinical trials of short duration, their implication in signaling pathways affecting various tissues means that one has to keep a very close watch on their long-term potential risks. Finally, the endocrinologists must be aware that the local regulating factors of bone remodeling recently identified (sclerostin, osteoprotegerin) seem to be the key mediators of hormones with bone tropism.
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Submitted on : Wednesday, January 15, 2014 - 11:49:56 AM
Last modification on : Thursday, October 13, 2022 - 3:06:39 PM




M.-A. Quemerais-Durieu, Véronique Kerlan, O. Chabre. [Therapeutic innovation in osteoporosis (antisclerostin antibody and denosumab)].. Annales d'Endocrinologie, 2011, 72 Suppl 1, pp.S15-22. ⟨10.1016/S0003-4266(11)70005-1⟩. ⟨hal-00931368⟩



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