Clinical Trials
2 trialsNCT00397969 2013-12-19
Improving the Frequency of Colonoscopy in Patients With a Previous Colorectal Polyp
National Cancer Institute (NCI)
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