Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 9, 2026, 4:28 PM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Colorectal Neoplasms, Colitis, Ulcerative, Diverticulitis, Colonic Polyps, Crohn Disease
Interventions
Laparoscopic or open colorectal surgery
Procedure
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
18 Years to 85 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
Cleveland, Ohio
Conditions
Lynch Syndrome, Colorectal Cancer, Colonic Adenoma, Colonic Polyp
Interventions
Cologuard test
Diagnostic Test
Lead sponsor
Geisinger Clinic
Other
Eligibility
18 Years to 89 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Danville, Pennsylvania
Conditions
Familial Adenomatous Polyposis
Interventions
Encapsulated Rapamycin (eRapa)
Drug
Lead sponsor
Rapamycin Holdings Inc.
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
4
States / cities
Ann Arbor, Michigan • Cleveland, Ohio • Columbus, Ohio + 1 more
Conditions
Neoplasms, Adenomatous Polyposis Coli, Neurofibroma, Plexiform, Myelodysplastic Syndromes
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
Up to 99 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Familial Adenomatous Polyposis, Map Syndrome, Lynch Syndrome, Hnpcc, Colorectal Cancer
Interventions
Epi proColon Testing
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Colonic Polyps, Esophageal Diseases
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
225 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
1
States / cities
Jacksonville, Florida
Conditions
Colorectal Polyps
Interventions
CTC surveillance
Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
50 Years and older
Enrollment
272 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2016
U.S. locations
1
States / cities
Madison, Wisconsin
Completed No phase listed Observational Accepts healthy volunteers

Colorectal Polyp Resection Adequacy

NCT02217085
Conditions
Polyp Resection Adequacy
Interventions
Not listed
Lead sponsor
Rush University Medical Center
Other
Eligibility
40 Years to 80 Years
Enrollment
288 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Completed No phase listed Observational Accepts healthy volunteers

Plasma ctDNA in Patients Undergoing Diagnostic Colonoscopy

NCT02665299
Conditions
Colon Cancer, Colon Adenomas, Colon Polyps
Interventions
Not listed
Lead sponsor
Pathway Genomics
Industry
Eligibility
18 Years and older
Enrollment
206 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
San Diego, California
Conditions
Colorectal Adenoma, Colorectal Carcinoma, Colorectal Conventional Adenoma With Severe Dysplasia, Colorectal Tubulovillous Adenoma
Interventions
Laboratory Biomarker Analysis, MUC1 Peptide-Poly-ICLC Vaccine, Quality-of-Life Assessment, Saline
Other · Biological
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
40 Years to 70 Years
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2027
U.S. locations
6
States / cities
Boston, Massachusetts • Rochester, Minnesota • Kansas City, Missouri + 2 more
Conditions
Colorectal Cancer
Interventions
CB-17-08 CADe
Device
Lead sponsor
Cosmo Artificial Intelligence-AI Ltd
Industry
Eligibility
45 Years and older
Enrollment
249 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
7
States / cities
Scottsdale, Arizona • Danville, California • Jacksonville, Florida + 4 more
Not listed No phase listed Observational Accepts healthy volunteers

Evaluation of Stool Tagging for Improved Patient Compliance

NCT00124163
Conditions
Colon Cancer, Polyps
Interventions
Imaging procedure of CT colonography
Procedure
Lead sponsor
Center for Diagnostic Imaging
Other
Eligibility
45 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2005
U.S. locations
1
States / cities
Chesterfield, Missouri
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effect of Epinephrine on Post-polypectomy Pain

NCT04065451
Conditions
Colonic Polyp
Interventions
Epinephrine
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Indianapolis, Indiana
Conditions
Colon Polyp
Interventions
Water infusion in lieu of air insufflation, Air method
Procedure
Lead sponsor
VA Northern California Health Care System
Federal
Eligibility
50 Years to 75 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Mather, California
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Impact of Dietary Intervention on Inflammation and Microbiome Composition Post-Colonoscopy

NCT06603519
Conditions
Colorectal Polyp, Inflammation, Dietary Intervention, Microbiota, Colorectal Neoplasms, Metabolomics
Interventions
Modified Plant-Based Mediterranean Diet
Dietary Supplement
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
San Diego, California
Conditions
Colorectal Cancer, Familial Adenomatous Polyposis
Interventions
Celecoxib, Placebo, eflornithine, Laboratory biomarker analysis, Questionnaire administration
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 65 Years
Enrollment
205 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2009
U.S. locations
1
States / cities
Houston, Texas
Completed Phase 1 Interventional Accepts healthy volunteers

Effect of Vitamin D and Calcium on Genes in the Colon

NCT00298545
Conditions
Colorectal Polyps, Colorectal Adenoma, Adenocarcinoma
Interventions
placebo and Calcitriol, Calcium and Calcitriol
Drug
Lead sponsor
Rockefeller University
Other
Eligibility
48 Years to 72 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2009
U.S. locations
1
States / cities
New York, New York
Conditions
Colonic Polyps, Colonic Neoplasms
Interventions
CT colonography and optical colonoscopy
Device
Lead sponsor
Japanese CT Colonography Society
Other
Eligibility
20 Years and older
Enrollment
1,257 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers Results available

Impact of Experience on Results With the Third Eye Retroscope

NCT00969124
Conditions
Colorectal Neoplasms
Interventions
Third Eye Retroscope
Device
Lead sponsor
Avantis Medical Systems
Industry
Eligibility
Not listed
Enrollment
328 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
9
States / cities
Celebration, Florida • Chicago, Illinois • Evanston, Illinois + 5 more
Conditions
Colonic Polyps, Colonic Neoplasms
Interventions
Educational card
Other
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Colon Cancer, Rectal Cancer, Cancer of the Rectum, Cancer of the Colon, Precancerous Polyp, Malignant Polyp
Interventions
Optical coherence tomography probe
Device
Lead sponsor
Washington University School of Medicine
Other
Eligibility
40 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Adenomatous Polyp
Interventions
Aspirin, Eflornithine, Laboratory Biomarker Analysis, Placebo, Telephone-Based Intervention
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
40 Years and older
Enrollment
107 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2019
U.S. locations
3
States / cities
Chicago, Illinois • Rochester, Minnesota
Completed Not applicable Interventional Accepts healthy volunteers

Endoscopic Quality Improvement Program

NCT01415817
Conditions
Adenomatous Polyps, Colorectal Polyps
Interventions
Training session
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Jacksonville, Florida
Conditions
Familial Adenomatous Polyposis, Colorectal Cancer
Interventions
Web-Based Multimedia Intervention, Questionnaire
Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
13 Years to 24 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2021
U.S. locations
1
States / cities
Houston, Texas