View clinical trials related to Colorectal Polyps.
Filter by:A database has been established to track the outcomes of all cases performed in the University Hospitals Department of Surgery in an effort to improve quality of surgical performance and case management. Specifically, the purpose of the database will be used as a quality improvement tool for analyzing process and outcome measures and to accurately track cases performed by surgeons.
The researchers 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. To that end, the researchers are conducting a study of vitamin D supplementation in which volunteer subjects are provided a Western style diet for 2 separate 4 week periods at the Rockefeller University Hospital. During one of these 4 week inpatient periods, subjects receive calcium supplements and during the other 4 week inpatient period they receive a placebo tablet. The researchers determine changes within the colon as a result of supplementing the vitamin D in the presence of high and low calcium. A more detailed description of the study is provided below.
This study involves a primary VC screening for colorectal polyps. The research hypothesis is that VC screening, including surveillance of sub-cm polyps, is a safe and effective approach.