Dual Effect of Activating Bone Formation While Inhibiting Bone Resorption
Description
The relationship between coronary artery calcification and bone mineral density (BMD) in T2DM is still unclear. The aim of this study is to analyze the association between coronary artery calcium score (CACs) and BMD in T2DM with different visceral fat area (VFA), and further to explore the clinical significance of CACs in predicting osteoporosis in T2DM patients. As one of the most potent osteoanabolic agents with a unique mechanism of action, romosozumab has high efficacy for osteoporosis treatment. It is a monoclonal antibody against sclerosis, a natural inhibitor of the Wnt signaling pathway, and by inhibiting sclerostin, activation of Wnt signaling occurs with a cascade of changes ultimately leading to bone mineral density (BMD) gains.
Romosozumab stimulates bone modeling and has a dual effect of activating bone formation while inhibiting bone resorption. With this unique mechanism of action, treatment with romosozumab leads to a rapid and significant gain in BMD; these gains are higher than seen with bisphosphonates, denosumab, or parathyroid hormone (PTH) analogs. The FRAME and ARCH studies represent two pivotal trials demonstrating the efficacy of romosozumab in treating osteoporosis. Treatment with romosozumab should be followed by an antiresorptive agent, as this approach has demonstrated maintenance of or greater increases in BMD and reduced fracture risk even after finishing romosozumab treatment. As an osteoanabolic agent, romosozumab has shown superiority to alendronate in reducing fracture risk, increasing bone density, and potentially more rapid fracture risk reduction. Recent data have suggested that romosozumab prior to antiresorptive therapy may be the ideal treatment sequence, especially in high-risk patients and patients at imminent risk of fracture. Carrying a black box warning, romosozumab should be avoided in patients who have had myocardial infarction or stroke in the past year. Further studies are needed to clarify the increased cardiovascular risk attributed to this drug. Romosozumab has expanded our osteoporosis armamentarium and has enabled novel approaches, including “treat to target.” Future studies are needed to evaluate the optimal use sequence and to assess its safety, especially in patients with cardiovascular risk factors. There is growing recognition of the adverse consequences of maintenance systemic corticosteroid (mSCS) therapy in severe asthma (SA). The objective of this study was to describe the prevalence of potential adverse effects of long-term mSCS therapy in adults with specialist-confirmed SA in the United States (US). CHRONICLE is an ongoing, nonintervention, observational study of US adults with SA treated by allergists/immunologists and pulmonologists. Healthcare professionals should employ MScs-sparing treatment strategies to avoid these negative consequences.
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With Regards
Cassandra
Journal Coordinator
Journal of Reproductive Endocrinology & Infertility