Clinical Trials Browser

Phase NA × Terminated × Cholecalciferol × Clear all

NCT00470353 2023-08-04

Cholecalciferol and Calcium Carbonate in Treating Patients With Colon Cancer That Has Been Removed by Surgery

Phase NA Terminated

Gastrointestinal

Colonic Neoplasms, Colorectal Neoplasms

NCT01561989 2020-03-10

Cholecalciferol and Flu Vaccine in Treating Healthy Participants

Phase NA Terminated

11 enrolled 2 charts

Healthy, no Evidence of Disease

NCT02532062 2018-06-26

The Pittsburgh Vitamin D Study: Vitamin D Supplementation in Vitamin D-deficient Subjects at Risk of Lung Cancer

Phase NA Terminated

Pulmonary Disease, Chronic Obstructive

NCT00870961 2013-09-16

Vitamin D Supplement in Preventing Colon Cancer in African Americans With Colon Polyps

Phase NA Terminated

GastrointestinalOther neoplasm

Colonic Neoplasms, Precancerous Conditions, Rectal Neoplasms, Colorectal Neoplasms, Adenomatous Polyps