NCT02881957 2022-06-15Hypovitaminosis D in Neurocritical PatientsUniversity of UtahPhase 2/3 Completed274 enrolled 16 charts
NCT00153816 2017-03-15Vitamin D/Calcium Polyp Prevention StudyDartmouth-Hitchcock Medical CenterPhase 2/3 Completed2,813 enrolled 15 charts