This is unpublished Clearance of 25-hydroxyvitamin D in Cystic Fibrosis Ian de Boer, MD, MS Completed Studies CKD Pinned Principal Investigator Ian de Boer Funding Agency NIH Status Completed Investigator Ian de Boer, MD, MS What is the Study? This observational study will observe how well patients with cystic fibrosis process Vitamin D in their bodies. Study subjects will receive IV administration of vitamin D.
