Clinical Research Directory

The Effect of REgulation of PArathyroId hoRmone in Patients With Chronic Kidney Disease to Investigate the Change in Bone Mineral Density

Sponsor: Herlev Hospital

Summary

The prevalence of chronic kidney disease (CKD) in the adult population is estimated to 10%. CKD increases risk of bone fractures, cardiovascular disease and death. The main role of parathyroid hormone (PTH) is to regulate mineral metabolism, including the calcium and phosphate homeostasis. PTH increases as the kidney function declines, and at end stage kidney disease almost all patients have disturbances in the mineral metabolism. Decreasing bone mineral density is associated with risk of fracture, both in background population and in patients with CKD. For decades, treatment with activated vitamin D, phosphate binders, and calcium supplements has been used for patients with chronic kidney disease and elevated parathyroid hormone, but treatment targets have varied greatly over the years, reflecting the lack of randomized clinical trials with clinical important end points. The purpose of The REPAIR-CKD trial is to determine if treatment of hyperparathyroidism improves the bone mineral density in patients with chronic kidney disease. During this trial it will also be evaluated if it is feasible to obtain a difference in PTH levels when targeting two different levels of PTH. Further this trial will explore if a difference in PTH influences on arterial stiffness, muscle mass, muscle function, bone histology and health related quality of life.

Official title: The Effect of REgulation of PArathyroId hoRmone in Patients With Chronic Kidney Disease to Investigate the Change in Bone Mineral Density (Biskjoldbruskkirtelhormon og knogletæthed Hos Patienter Med Kronisk Nyresygdom)

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