Calcium and Vitamin D vs Markers of Adenomatous Polyps

Completed · Phase 2 · Has a placebo group

Conditions studied: Colorectal Adenomatous Polyps

In brief

The purpose of this study is to test whether calcium and/or vitamin D supplementation favorably affects a set of biomarkers of risk for colon cancer in persons who are at higher than average risk for colon cancer (ie, have already undergone the removal of adenomatous polyps, which are known to be precursors to developing colon cancer).

Key facts

Study ID

NCT00208793

Run by

Emory University

People needed

92

Starts

2005-05-01

Expected to finish

2013-02-01

Last updated by the study team

2013-11-26

Who can join

Age: 30 and older, up to 74. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• age 30-74
• adenomatous colon polyp within past 3 years
• general good health with life expectancy of at least 2 years
• available for 8 months and able to come for clinic visits

You may not qualify if…

• cancer within 5 years
• active major disease
• renal impairment
• history of kidney stones
• significant dietary change or weight loss within past 6 months
• unable to forego usual calcium or vitamin D use during study

Where it is running

• The Emory Clinic, Division of Digestive Diseases — Atlanta, Georgia, United States

Full record on ClinicalTrials.gov

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