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Bone Density in Voluntary Apheresis Blood Donors — ALTRUYST  

Bone Density Clinical Trial

Official title:
Randomized Longitudinal Study of Apheresis Voluntary Blood Donors' Bone Density

Clinical Trial Summary

A longitudinal, randomized, controlled, single-center Phase IV clinical trial will be performed to assess changes in bone mineral density (BMD) among voluntary apheresis blood donors. The primary outcome measure will be clinically significant decline in BMD at the lumbar spine assessed by dual-energy x-ray absorptiometry (DXA).

Clinical Trial Description

Apheresis blood donation maximizes an individual's donation by selecting specific blood components that are used to save patient lives. Dramatic increases in the number of apheresis procedures performed each year are apparent both domestically and internationally. Apheresis requires the use of citrate anticoagulation, a substance that confers its anticoagulant effect through chelation of cations, like calcium. A small number of cross-sectional studies have reported that intermittent exposure to citrate through apheresis is associated with significant declines in donor bone mineral density (BMD). In contrast, oral potassium citrate of much lower dose has been used to treat low bone density with well-documented efficacy. The impact of citrate exposure during apheresis, either positive or negative, is important given that BMD is a significant risk factor for low trauma fracture, a problem that affects more than 2M people in the U.S. annually. It is ultimately unknown what effect repeated apheresis has on skeletal health. To address this knowledge gap, we will perform a Phase IV clinical trial of apheresis blood donors using a cross-disciplinary, multi-institutional team. As apheresis blood donation continues to affect more people, the importance of understanding the effects of repeated exposure to citrate on donor skeletal health is essential in protecting this precious community resource. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02655055
Study type Interventional
Source Versiti
Contact
Status Completed
Phase N/A
Start date May 2016
Completion date April 2018
View Details
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