NCT00470353 2023-08-04
Cholecalciferol and Calcium Carbonate in Treating Patients With Colon Cancer That Has Been Removed by Surgery
Roswell Park Cancer Institute
Phase NA Terminated
Clinical Trials
3 trialsNCT00550563 2017-04-04
DNA Changes That Affect Vitamin D Metabolism in Patients With Colorectal Cancer Receiving Vitamin D Supplements
Roswell Park Cancer Institute
Phase NA Completed
NCT00870961 2013-09-16
Vitamin D Supplement in Preventing Colon Cancer in African Americans With Colon Polyps
Northwestern University
Phase NA Terminated