RT Journal Article SR Electronic A1 Lederman, Lynne T1 Ergocalciferol Supplementation in Patients Undergoing Hemodialysis is Safe but without Benefit JF MD Conference Express YR 2015 FD SAGE Publications VO 14 IS 49 SP 11 OP 12 DO 10.1177/155989771449005 UL http://mdc.sagepub.com/content/14/49/11.abstract AB Vitamin D deficiency has been linked to cardiovascular events and mortality, infection, and autoimmune disorders. Deficiency of 25-hydroxyvitamin D [25(OH)D] <30 ng/mL occurs in about 80% of patients undergoing dialysis. The double-blind, placebo-controlled Safety and Effects of Supplementation With Ergocalciferol on Erythropoietin Dosing in Hemodialysis Patients [NCT01395823] trial investigated the safety and effects of dosing on dialysis patients, as discussed in this article.