Overview Evaluation of Colecalciferol Substitution in Dialysis Patients Status: Completed Trial end date: 2007-03-01 Target enrollment: Participant gender: Summary The purpose of this study is to determine the effect of a colecalciferol substitution in dialysis patients on bone metabolism and immune system Phase: N/A Details Lead Sponsor: University Hospital, SaarlandTreatments: Cholecalciferol