NCT00625066Completed
Biological, Genetic, and Lifestyle Risk Factors for Developing Colorectal Adenomas or Polyps in Participants Undergoing Colonoscopy
Tennessee Colorectal Polyp Study
Source: ClinicalTrials.gov · Last updated 17 Dec 2025
Brief summary (registry, in English)
RATIONALE: Collecting and storing samples of tissue, blood, and other body fluids to test in the laboratory and gathering information about health and lifestyle from participants may help doctors learn more about cancer risk factors. PURPOSE: This clinical trial is looking at biological, genetic, and lifestyle risk factors for developing colorectal adenomas or polyps in participants undergoing colonoscopy.
- Status (registry)
- Completed
- Study type
- Observational
- Enrollment
- 8108 (actual)
- First submitted
- 27 Feb 2008
- Start date
- 1 Jan 2003
- Primary completion date
- 30 Nov 2025
- Lead sponsor
- Vanderbilt University
- Diseases
- Colorectal cancer
- NCT number
- NCT00625066
What you commit to
- Study type: Observational
- Participants enrolled: 8108
- From 1 Jan 2003 to the primary completion date, 30 Nov 2025
- 4 sites in 1 country
- Visits and tests: ask the trial team, the registry does not list them
Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.
Who cannot take part
Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.
Criteria the registry did not label
- DISEASE CHARACTERISTICS:
- Scheduled to undergo colonoscopy at the Vanderbilt University Medical Center or the Tennessee Valley Veterans Administration Medical Center
- No prior genetic colorectal cancer syndromes or colorectal adenoma
- PATIENT CHARACTERISTICS:
- Must have a permanent residence and a telephone number
- Able to speak and understand English
- No prior inflammatory bowel disease
- No prior cancer other than nonmelanoma skin cancer
- Not a current resident in a correctional facility
- No other rare exclusion that would prevent the collection of study data (e.g., extensive memory loss for past exposures), impair ability to provide informed consent, or make the participant an atypical colonoscopy patient (e.g., colonoscopy for organ transplant evaluation)
- No prior extensive knowledge or contact with the investigation/protocol/hypotheses (the study collaborator or reviewer)
- PRIOR CONCURRENT THERAPY:
- No prior partial or complete colon resection
- No concurrent participation in a clinical trial involving the prevention of colon polyps
Age in the registry: 40 years to 75 years · Sex: All · Accepts healthy volunteers
Sites (4)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| Vanderbilt-Ingram Cancer Center at Franklin Coordinator of this site? Confirm its status | Nashville | United States | Unknown status |
| Vanderbilt-Ingram Cancer Center - Cool Springs Coordinator of this site? Confirm its status | Nashville | United States | Unknown status |
| Vanderbilt-Ingram Cancer Center Coordinator of this site? Confirm its status | Nashville | United States | Unknown status |
| Veterans Affairs Medical Center - Nashville Coordinator of this site? Confirm its status | Nashville | United States | Unknown status |
This page is information, not medical advice. Discuss any trial with your doctor.