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ClinicalTrials.gov public records Last synced Oct 18, 2026, 1:18 PM EDT

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Showing 457–480 of 670 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Colonoscopy Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Coordinated Endoscopic Colorectal Cancer Screening

NCT00327457
View directory record Official record
Conditions
Preventive Health Services
Interventions
Help with physician office and patient management, Tailored physician recommendation letter
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
50 Years to 79 Years
Enrollment
599 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2005
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 21, 2011 · Synced Oct 18, 2026, 1:18 PM EDT
Completed Phase 4 Interventional Results available

Yield of Diagnostic Tests and Effects of Crofelemer for Chronic Idiopathic Diarrhea In Non-HIV Patients

NCT03898856
View directory record Official record
Conditions
Chronic Diarrhea of Unknown Origin
Interventions
Crofelemer, Diagnostic tests for cause of chronic diarrhea
Drug · Diagnostic Test
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 75 Years
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 12, 2026 · Synced Oct 18, 2026, 1:18 PM EDT
Completed Not applicable Interventional Results available

Promoting Informed Decisions About Cancer Screening in Older Adults

NCT03959696
View directory record Official record
Conditions
Colorectal Cancer Screening
Interventions
Notification, Training
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
21 Years and older
Enrollment
536 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
5
States / cities
Portland, Maine • Boston, Massachusetts • Danvers, Massachusetts + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 6, 2025 · Synced Oct 18, 2026, 1:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

CB-17-08 Augmented Endoscopy System for Mucosal Lesion Detection During Colonoscopy for Colon Rectal Cancer.

NCT03954548
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 12, 2021 · Synced Oct 18, 2026, 1:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Behavioral Economic Incentives and Cancer Health Risk Assessment

NCT03068052
View directory record Official record
Conditions
Cancer of the Colon
Interventions
No incentive, Incentive
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
50 Years to 64 Years
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 20, 2019 · Synced Oct 18, 2026, 1:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Reducing Colorectal Cancer Death Through Mailed Outreach Screening

NCT02584998
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Mailed-FIT, Screening invitation-reminder
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
50 Years to 74 Years
Enrollment
782 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 24, 2018 · Synced Oct 18, 2026, 1:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Usefulness of A Scope Guide Assisted Colonoscopy Versus Conventional Colonoscopy

NCT02739893
View directory record Official record
Conditions
Colonoscopy, Colorectal
Interventions
Scope Guide Assist, Standard procedure for colonoscopy
Procedure
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Feb 20, 2019 · Synced Oct 18, 2026, 1:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Optical Diagnosis Versus Laser Measurement of Polyps' Size During Colonoscopy and Implications for Surveillance

NCT05489380
View directory record Official record
Conditions
Colorectal Polyp
Interventions
AccuMeasure
Device
Lead sponsor
Radboud University Medical Center
Other
Eligibility
18 Years and older
Enrollment
138 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
2
States / cities
Indianapolis, Indiana • New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced Oct 18, 2026, 1:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Colonoscope Insertion Trial Protocol

NCT01324882
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Colonoscopy with Olympus Technically Improved Colonoscope, Control with standard colonoscope Olympus CF-H180
Device
Lead sponsor
UConn Health
Other
Eligibility
35 Years to 75 Years
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 2, 2017 · Synced Oct 18, 2026, 1:18 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

The Affect of Low-Volume Bowel Preparation for Hospitalized Patients Colonoscopies

NCT01978509
View directory record Official record
Conditions
Colonoscopy
Interventions
Low volume prep (Prepopik), Moderate volume prep (Moviprep), High volume prep (Golytely)
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2019
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 17, 2020 · Synced Oct 18, 2026, 1:18 PM EDT
Recruiting Not applicable Interventional

Testing the Effects of Exercise on Colorectal Cancer Development After Treatment With Pelvic Radiation Therapy for Prostate Cancer

NCT07790718
View directory record Official record
Conditions
Colon Polyp, Colorectal Carcinoma, Localized Prostate Carcinoma, Stage I Prostate Cancer AJCC v8, Stage II Prostate Cancer AJCC v8, Stage III Prostate Cancer AJCC v8
Interventions
Aerobic Exercise, Biopsy Procedure, Biospecimen Collection, Colonoscopy, Data Collection, Physical Performance Testing, Questionnaire Administration, Sigmoidoscopy, Survey Administration
Other · Procedure
Lead sponsor
City of Hope Medical Center
Other
Eligibility
40 Years to 80 Years · Male only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
2
States / cities
Duarte, California • Irvine, California
Source: ClinicalTrials.gov public record
Updated Aug 28, 2026 · Synced Oct 18, 2026, 1:18 PM EDT
Completed Not applicable Interventional

Photometric Stereo Endoscopy (PSE) as a Tool for Imaging the Rectum and Colon

NCT01979458
View directory record Official record
Conditions
Colonic Polyps
Interventions
PSE
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 90 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 24, 2017 · Synced Oct 18, 2026, 1:18 PM EDT
Completed No phase listed Observational

Colorectal Neoplasia Screening w Colonoscopy in Asymptomatic Women at Regional Navy/Army Medical Ctrs: The CONCeRN Trial

NCT00339950
View directory record Official record
Conditions
Colorectal Adenoma
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
40 Years to 79 Years · Female only
Enrollment
937 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2020
U.S. locations
3
States / cities
San Diego, California • Bethesda, Maryland • Portsmouth, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 17, 2020 · Synced Oct 18, 2026, 1:18 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

The PRIME-CRC Trial to Promote CRC Screening in Rural Communities

NCT04313114
View directory record Official record
Conditions
Colorectal Cancer
Interventions
health literacy appropriate education and demonstration, shared decision making, automated call reminders or automated texts
Behavioral
Lead sponsor
Louisiana State University Health Sciences Center Shreveport
Other
Eligibility
45 Years to 75 Years
Enrollment
804 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
3
States / cities
Bastrop, Louisiana • Marion, Louisiana • Saint Joseph, Louisiana
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 18, 2026, 1:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

I-scan for Adenoma Detection

NCT02811419
View directory record Official record
Conditions
Colorectal Adenomatous Polyps
Interventions
i-scan, standard high-definition white light
Device
Lead sponsor
University of California, San Francisco
Other
Eligibility
50 Years to 75 Years
Enrollment
740 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 1, 2019 · Synced Oct 18, 2026, 1:18 PM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

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

NCT06603519
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Oct 18, 2026, 1:18 PM EDT
Completed Not applicable Interventional Results available

EndoRotor® Endoscopic Mucosal Resection System for the Colon

NCT04203667
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 5, 2022 · Synced Oct 18, 2026, 1:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluation of Capsule Endoscopy With PillCam® Colon 2 in Visualization of the Colon

NCT01269372
View directory record Official record
Conditions
Colorectal Lesions
Interventions
PillCam Colon 2, Colonoscopy
Device
Lead sponsor
Medtronic - MITG
Industry
Eligibility
50 Years to 75 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Chesapeake, Virginia
Source: ClinicalTrials.gov public record
Updated Oct 1, 2020 · Synced Oct 18, 2026, 1:18 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Comparision of Air Versus CO2 for Distention During Sigmoidoscopy

NCT00771290
View directory record Official record
Conditions
Colorectal Surgery
Interventions
Air insufflation with standard endoscopy unit, CO2 insufflation for colonoscopy (special CO2 insufflation unit)
Procedure
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 1, 2024 · Synced Oct 18, 2026, 1:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Patient-Controlled Sedation Versus Anesthesiologist-Administered Sedation

NCT00868920
View directory record Official record
Conditions
Colonoscopy
Interventions
patient control of pump, anesthesiologist controlled sedation
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 90 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 30, 2017 · Synced Oct 18, 2026, 1:18 PM EDT
Recruiting Not applicable Interventional

The Role of the Gastrointestinal-associated Lymphoid Tissue in the Cure of HIV Infection

NCT05652088
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 4, 2025 · Synced Oct 18, 2026, 1:18 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

To Compare Artificial Intelligence Software Aided Adenoma Detection in Screening Colonoscopies Versus Standard Colonoscopy Without Artificial Intelligence Software Assistance in Participants Between 45 and 75 Years of Age

NCT04196088
View directory record Official record
Conditions
Colorectal Adenoma, Colorectal Polyp, Colorectal Adenocarcinoma, Colorectal SSA
Interventions
Ultivision Artificial Intelligence Software, No Artificial Intelligence Software enhancement
Device
Lead sponsor
Docbot, Inc.
Industry
Eligibility
45 Years to 75 Years
Enrollment
978 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
9
States / cities
Birmingham, Alabama • San Diego, California • Kansas City, Kansas + 6 more
Source: ClinicalTrials.gov public record
Updated Mar 19, 2021 · Synced Oct 18, 2026, 1:18 PM EDT
Recruiting Not applicable Interventional

Five or Ten Year Colonoscopy for 1-2 Non-Advanced Adenomatous Polyps

NCT05080673
View directory record Official record
Conditions
Adenocarcinoma of the Colon, Adenocarcinoma of the Rectum
Interventions
5-year and 10 Year Surveillance Colonoscopy after Qualifying Colonoscopy
Procedure
Lead sponsor
NRG Oncology
Other
Eligibility
45 Years to 70 Years
Enrollment
9,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2065
U.S. locations
478
States / cities
Fairbanks, Alaska • Goodyear, Arizona • Kingman, Arizona + 323 more
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Oct 18, 2026, 1:18 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Plasma-based Colorectal Cancer Screening Research & Development

NCT04027790
View directory record Official record
Conditions
Colo-rectal Cancer
Interventions
Epi proColon
Diagnostic Test
Lead sponsor
Epigenomics, Inc
Industry
Eligibility
45 Years to 84 Years
Enrollment
354 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
5
States / cities
Tampa, Florida • Springfield, Illinois • New Orleans, Louisiana + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 2, 2021 · Synced Oct 18, 2026, 1:18 PM EDT