Calcium/Vitamin D, Biomarkers & Colon Polyp Prevention

Completed

Conditions studied: Colorectal Adenomatous Polyps

In brief

The study team has developed a set of biomarkers of risk for colon cancer; this study tests 1) whether or not calcium and/or vitamin D supplementation can favorably affect these biomarkers in persons who are at higher than average risk for colon cancer (ie, have already undergone the removal of colon growths, called adenomatous polyps, which are known to be precursors to developing colon cancer), and 2) whether effects on the biomarkers predict who will get new colon polyps or not.

Key facts

Study ID

NCT00399607

Run by

Emory University

People needed

264

Starts

2006-06-01

Expected to finish

2016-08-01

Last updated by the study team

2016-12-08

Who can join

Age: 45 and older, up to 75. Sex: any. Healthy volunteers: not accepted.

Where it is running

• USC/Norris Comprehensice Cancer Center — Los Angeles, California, United States
• University of Colorado Health Sciences Center — Denver, Colorado, United States
• Emory University — Atlanta, Georgia, United States
• University of Iowa Hospitals & Clinic — Iowa City, Iowa, United States
• University of Minnesota — Minneapolis, Minnesota, United States
• Dartmouth-Hitchcock Medical Center — Lebanon, New Hampshire, United States
• University of North Carolina — Chapel Hill, North Carolina, United States
• Cleveland Clinic Foundation — Cleveland, Ohio, United States
• University of South Carolina — West Columbia, South Carolina, United States

Full record on ClinicalTrials.gov

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