Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 1, 2026, 10:17 PM EDT

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Showing 1–24 of 670 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Colorectal Cancer (CRC) Screening, CRC Screening, Rectal Cancer, Colon Cancer, Colorectal Cancer
Interventions
Colorectal Cancer Education Materials, Cologuard test kit, Fecal immunochemical test kit, Usual Care
Behavioral · Diagnostic Test
Lead sponsor
Washington University School of Medicine
Other
Eligibility
45 Years to 75 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
St Louis, Missouri
Recruiting Phase 1 Interventional

MTC Versus FMT in for RCDI

NCT05911997
Conditions
Clostridiodies Difficile Infections
Interventions
MTC 01, Fecal Microbiota Transplantation (FMT)
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
New York, New York
Conditions
Bowel Preparation for Colonoscopy
Interventions
Split-dose polyethylene glycol, Morning-only polyethylene glycol
Other
Lead sponsor
Cook County Health
Government
Eligibility
18 Years to 80 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
1
States / cities
Chicago, Illinois
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
Completed No phase listed Observational Accepts healthy volunteers

Reducing Rural Colon Cancer Disparities

NCT03457454
Conditions
Colon Cancer
Interventions
Primary Care Provider/Staff Participants Interview, Patient Participant Interview, Patient Participant Anonymous Survey, Colonoscopy Provider/Staff Participants Interviews
Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
431 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
2
States / cities
Carbondale, Illinois • St Louis, Missouri
Conditions
Crohn's Disease
Interventions
Capsule endoscopy, CT enterography, colonoscopy, small bowel follow-through
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 70 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
HIV Infection
Interventions
Colonoscopy
Procedure
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years to 75 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
New York, New York
Conditions
Clostridium Difficile Infection
Interventions
Fecal Microbiota Transplant (FMT)
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
7 Years to 90 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Colorectal Cancer
Interventions
Mailed FIT Outreach, Standardized navigation
Other
Lead sponsor
University of California, San Diego
Other
Eligibility
50 Years to 75 Years
Enrollment
55,999 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
La Jolla, 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
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
Withdrawn Not applicable Interventional Accepts healthy volunteers

Reduction of Conscious Sedation Requirements by Olfactory Stimulation

NCT00417001
Conditions
Colon Cancer Screening, Colon Polyps
Interventions
Aroma therapy
Procedure
Lead sponsor
United States Naval Medical Center, Portsmouth
Federal
Eligibility
21 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Portsmouth, Virginia
Conditions
Colorectal Cancer, Colorectal Adenomas, Colorectal Polyps, Pain
Interventions
Air insufflation method., Water Immersion method., Water Exchange method.
Other
Lead sponsor
Presidio Ospedaliero Santa Barbara
Other
Eligibility
50 Years to 70 Years
Enrollment
1,224 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Recurrent C. Difficile Associated Diarrhea
Interventions
Fecal Microbiota
Biological
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
79 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
1
States / cities
Houston, Texas
Completed Not applicable Interventional Results available

EndoRotor® Endoscopic Mucosal Resection System for the Colon

NCT04203667
Conditions
Polyp of Colon, Endoscopic Mucosal Resection, Recurrent Colon Adenoma
Interventions
EndoRotor Resection
Device
Lead sponsor
Interscope, Inc.
Industry
Eligibility
18 Years to 85 Years
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Danville, Pennsylvania
Conditions
Colonoscopy
Interventions
lubiprostone (Amitiza), Placebo
Drug
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years and older
Enrollment
158 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
3
States / cities
Detroit, Michigan • Novi, Michigan • West Bloomfield, Michigan
Completed Not applicable Interventional Accepts healthy volunteers Results available

Water Immersion and Polyp Detection: A Randomized Controlled Trial

NCT03231917
Conditions
Adenoma, Colonic Neoplasms
Interventions
Water Infusion first, CO2 Insufflation First
Procedure
Lead sponsor
White River Junction Veterans Affairs Medical Center
Federal
Eligibility
50 Years and older
Enrollment
121 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
2
States / cities
Farmington, Connecticut • Indianapolis, Indiana
Conditions
Gastrointestinal Disease, Colorectal Cancer
Interventions
Pure-Vu System
Device
Lead sponsor
Motus GI Medical Technologies Ltd
Industry
Eligibility
22 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
St Louis, Missouri
Completed No phase listed Interventional Results available

Colorectal Polyp Clinical Decision Support Device Study

NCT04437615
Conditions
Polyp, Colorectal, Colonoscopy
Interventions
Colonoscopy, Clinical Decision Support Device
Procedure · Device
Lead sponsor
Olympus Corporation of the Americas
Industry
Eligibility
18 Years and older
Enrollment
2,379 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Jacksonville, Florida
Completed No phase listed Observational Accepts healthy volunteers

New Bowel Preparation Scale for Measuring Colon Cleanliness

NCT01635725
Conditions
Colonoscopy, Bowel Cleanliness, Bowel Rating Scale
Interventions
Not listed
Lead sponsor
Gastroenterology Services, Ltd.
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Downers Grove, Illinois
Conditions
Coronary Arterial Disease (CAD), Peripheral Vascular Disease
Interventions
Aspirin, P2Y12 inhibitor (clopidogrel, ticagrelor, prasugrel)
Drug
Lead sponsor
Ochsner Health System
Other
Eligibility
45 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
New Orleans, Louisiana
Conditions
Colorectal Carcinoma
Interventions
Community Health Service, Survey Administration
Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
50 Years to 75 Years
Enrollment
183 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Buffalo, New York
Conditions
PARKINSON DISEASE (Disorder), Parkinson, Parkinson s Disease, Parkinson Disease
Interventions
Not listed
Lead sponsor
CND Life Sciences
Other
Eligibility
40 Years to 99 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Branford, Connecticut
Conditions
Colon Cancer Screening, Colon Polyps, Colon Adenomas, Water Exchange Colonoscopy
Interventions
Olympus transparent cap, Medivators Endocuff, Control
Device
Lead sponsor
University of California, Davis
Other
Eligibility
50 Years and older
Enrollment
126 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Sacramento, California