Modern Strategies for Osteoporosis Therapy: Current Status and Prospects for Targeted Intervention
Abstract
Osteoporosis is becoming a "silent pandemic" because of its ever-increasing prevalence and the absence of clinical manifestations until a bone fracture happens. The purpose of this review is to summarize the actual data on the pathogenesis of osteoporosis and its treatment options. The disease develops through a multifactorial process involving an imbalance between bone remodeling and different factors like genetics, non-coding RNA regulation, osteoimmune dysregulation, oxidative stress, cellular senescence, and fat-bone interactions. Existing medications have beneficial effects by preserving and increasing bone density and reducing the risk of fractures. Among them, there are bisphosphonates, strontium ranelate, calcitonin, estrogen-progestin therapy, selective estrogen receptor modulators, and parathyroid hormone analogues. Otherwise, they suffer from certain disadvantages, such as adverse effects, including serious ones, and limitations associated with comorbidity. Targeting pathways underlying bone metabolism could significantly improve the therapeutic options and provide new tools in the fight against osteoporosis. We consider here targeted therapeutics that are already in clinical practice, as well as the most promising novel agents that are now under development: antibodies, siRNAs, aptamers, and small molecules.
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