Expired Study
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Clinical Trial 749

New York, NY 10021


Study Summary:

We are involved in a research program to understand how vitamin D and calcium in the diet or as supplements may lower the risk of colorectal polyps and cancer. Study subjects participate for about 3 months. During this time, there is one outpatient visit, a 4 week inpatient period, a 4 week outpatient period known as a wash out period and finally another 4 week inpatient period. site hit counter


Qualified Participants Must:

• Have a history of colorectal adenomatous polyps or
• Have a family history of colorectal adenomatous polyps or colon cancer
• Men and Women
• Age(s) 48-72 years


Qualified Participants May Receive:

Total compensation amount is $3200. $250 per week for the 8 week inpatient ($2000),and $200 per biopsy for the 6 biopsies ($1200).


Clinical trials are medical research studies designed to test the safety and/or effectiveness of new investigational drugs, devices, or treatments in humans. These studies are conducted worldwide for a range of conditions and illnesses. Learn more about clinical research and participating in a study at About Clinical Trials.