硬骨素
医学
骨质疏松症
耐受性
骨吸收
Wnt信号通路
内科学
药理学
骨矿物
骨重建
不利影响
信号转导
化学
生物化学
作者
Leonardo Bandeira,E. Michael Lewiecki,John P. Bilezikian
标识
DOI:10.1080/14712598.2017.1280455
摘要
Sclerostin, a glycoprotein produced primarily by osteocytes, blocks the canonical Wnt signaling bone formation pathway. Romosozumab is a humanized monoclonal antibody to sclerostin that binds to sclerostin, permitting the engagement of Wnt ligands with their co-receptors, resulting in an increase in bone formation and bone mineral density (BMD). Clinical studies with romosozumab have shown dramatic improvements in BMD at the spine and hip. Romosozumab is associated with improvement in bone strength through mechanisms that include increases in bone formation and, different from classical osteoanabolic agents, suppression of bone resorption. Areas covered: Herein, the authors highlight the available data on romosozumab for the treatment of osteoporosis. This includes the latest data on the efficacy, pharmacokinetics and pharmacodynamics as well as safety and tolerability data. Expert opinion: Monthly subcutaneous dosing of romosozumab reduces the risk of vertebral and clinical fractures in women with postmenopausal osteoporosis, with a favorable balance of benefits and risks. Romosozumab is a promising emerging anabolic agent with a novel mechanism of action that may expand the options for treating osteoporotic patients at high risk of fracture.
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