Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 9, 2026, 10:29 PM EDT

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Showing 1–24 of 103 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Colorectal Cancer, Precancerous Polyp, Rectal Bleeding, CRC
Interventions
3-metabolite biosensor
Diagnostic Test
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
210 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
New York, New York
Conditions
Colo-rectal Cancer, Polyp of Colon, Adenomatous Polyp of Colon
Interventions
Cold forcep polypectomy, Cold snare polypectomy
Procedure
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
181 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Palo Alto, California
Conditions
Rectal Adenoma, Rectal Polyp, Rectal Lesion
Interventions
ColubrisMX Endoluminal Surgical (ELS) System
Device
Lead sponsor
ColubrisMX
Industry
Eligibility
22 Years to 80 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
3
States / cities
Orlando, Florida • Las Vegas, Nevada • Houston, Texas
Conditions
Colonic Polyps, Rectal Polyps
Interventions
Submucosal Injection EMR, Underwater EMR
Procedure
Lead sponsor
California Pacific Medical Center Research Institute
Other
Eligibility
18 Years and older
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
1
States / cities
San Francisco, California
Completed Phase 2Phase 3 Interventional Results available

Vitamin D/Calcium Polyp Prevention Study

NCT00153816
Conditions
Colorectal Cancer, Polyps, Adenomas
Interventions
Calcium Carbonate, Vitamin D3, placebo
Drug
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
45 Years to 75 Years
Enrollment
2,813 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2016
U.S. locations
10
States / cities
Los Angeles, California • Denver, Colorado • Atlanta, Georgia + 7 more
Conditions
Diverticulitis, Colon Polyps, Colorectal Cancer
Interventions
Not listed
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
139 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Cleveland, Ohio
Conditions
Colon Cancer
Interventions
AMR101 (VASCEPA, icosapent ethyl)
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Not listed No phase listed Observational Accepts healthy volunteers

Feasibility and Safety of Single Port Robot in Colorectal Procedures

NCT03700593
Conditions
Colon Cancer, Colon Polyp, Rectal Cancer, Diverticulitis, Prolapse, Rectal, Rectal Polyp, Inflammatory Bowel Diseases
Interventions
Single Port Robotic Colorectal Surgery
Device
Lead sponsor
Marks Colorectal Surgical Associates
Other
Eligibility
18 Years to 95 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Wynnewood, Pennsylvania
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

The Implementation of Genetic Risk for Colorectal Cancer Screening

NCT07621757
Conditions
Colorectal Cancer, Colorectal Adenoma, Colorectal Polyp
Interventions
Not listed
Lead sponsor
Endeavor Health
Other
Eligibility
45 Years to 75 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Evanston, Illinois
Conditions
Colorectal Neoplasms
Interventions
Academic Detailing (Medical Practices)+Decision Aids (Patients)
Behavioral
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
52 Years to 75 Years
Enrollment
450 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2009
U.S. locations
1
States / cities
Atlanta, Georgia
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

Aspirin/Folate Prevention of Large Bowel Polyps

NCT00272324
Conditions
Colorectal Cancer, Polyps, Adenomas
Interventions
Aspirin, Folate
Drug
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
21 Years to 80 Years
Enrollment
1,121 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1992 – 2007
U.S. locations
8
States / cities
Los Angeles, California • Denver, Colorado • Iowa City, Iowa + 5 more
Conditions
Colorectal Cancer, Adenoma Colon, Polyp of Colon
Interventions
Computer Aided Detection (CADe)
Diagnostic Test
Lead sponsor
NEC Corporation
Industry
Eligibility
45 Years to 75 Years
Enrollment
830 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Kansas City, Missouri
Active, not recruiting No phase listed Observational

CRC Detection Reliable Assessment With Blood

NCT05551052
Conditions
Colorectal Cancer, Adenomas Colon, Colon Cancer, Rectal Cancer, Colon Neoplasm, Colon Lesion, Colon Disease, Colon Polyp, Polyps, Adenoma, Rectal Diseases, Rectal Polyp, Gastrointestinal Neoplasms, Intestinal Neoplasms, Colonic Diseases, Functional, Intestinal Disease
Interventions
Next-Gen CRC Screening Test
Diagnostic Test
Lead sponsor
New Day Diagnostics
Network
Eligibility
45 Years and older
Enrollment
196 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
3
States / cities
Chula Vista, California • San Diego, California
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, 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
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
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 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
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
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
Conditions
Colorectal Polyp, Colorectal Neoplasms, Colorectal Adenoma, Colorectal Cancer, Digestive System Disease
Interventions
FIT, Colonoscopy
Diagnostic Test
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
65 Years to 82 Years
Enrollment
8,946 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2035
U.S. locations
20
States / cities
Birmingham, Alabama • Tucson, Arizona • San Diego, California + 17 more