慢性肾脏病及低骨密度患者的治疗。

Therapy for patients with CKD and low bone mineral density.

机构信息

Department of Medicine, University of Washington, Box 356426, 1959 NE Pacific Street, Seattle, WA 98195-6426, USA.

出版信息

Nat Rev Nephrol. 2013 Nov;9(11):681-92. doi: 10.1038/nrneph.2013.182. Epub 2013 Oct 8.

Abstract

Patients with chronic kidney disease (CKD) have a high risk of bone fracture owing to their low bone mineral density, which resembles that of postmenopausal osteoporosis. However, the mineral and bone disorder associated with CKD (CKD-MBD) is more complex than osteoporosis and the same treatments might not be appropriate. In particular, vascular calcifications are strongly associated with CKD-MBD, and must be taken into consideration. Post hoc analyses of data from pivotal osteoporosis studies suggest that in patients with mild stage 3 CKD and normal parathyroid hormone (PTH), calcium and phosphate measurements, conventional medications for osteoporosis (such as raloxifene, bisphosphonates, teriparatide and denosumab) are effective at reducing fracture rates. However, for patients with stage 4-5 CKD, or those with abnormal PTH and mineral values, the available data are insufficient to determine whether these commonly used medications are effective against fractures. Moreover, all medications used to treat osteoporosis have known or potential adverse effects in patients with CKD. Medicines that increase bone formation by upregulating Wnt signalling have shown promise in patients with osteoporosis and might be used to treat CKD-MBD in the future, but off-target effects could limit their use in in this setting.

摘要

患有慢性肾脏病(CKD)的患者由于其骨矿物质密度低,类似于绝经后骨质疏松症,因此骨折风险较高。然而,与 CKD 相关的矿物质和骨代谢紊乱(CKD-MBD)比骨质疏松症更为复杂,相同的治疗方法可能并不适用。特别是血管钙化与 CKD-MBD 密切相关,必须加以考虑。对骨质疏松症关键研究数据的事后分析表明,在轻度 3 期 CKD 且甲状旁腺激素(PTH)正常的患者中,钙和磷的测量值、骨质疏松症的常规药物(如雷洛昔芬、双磷酸盐、特立帕肽和地舒单抗)可有效降低骨折发生率。然而,对于 4-5 期 CKD 患者,或 PTH 和矿物质值异常的患者,目前的数据不足以确定这些常用药物是否对骨折有效。此外,所有用于治疗骨质疏松症的药物在 CKD 患者中都有已知或潜在的不良反应。通过上调 Wnt 信号来增加骨形成的药物在骨质疏松症患者中显示出前景,将来可能用于治疗 CKD-MBD,但脱靶效应可能会限制其在这种情况下的使用。

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