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ClinicalTrials.gov public records Last synced Oct 18, 2026, 4:52 AM EDT

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Showing 337–360 of 670 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Colonoscopy Clear all
Completed Phase 1 Interventional

Adoptive Transfer of Haploidentical NK Cells and N-803

NCT03899480
View directory record Official record
Conditions
Hiv, HIV Infections, Immune Deficiency
Interventions
Haploidentical Natural Killer (NK) Cells
Biological
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 65 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 23, 2021 · Synced Oct 18, 2026, 4:52 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Gastroenterology Artificial INtelligence System for Detecting Colorectal Polyps (The GAIN Study)

NCT05275556
View directory record Official record
Conditions
Colon Adenoma, Colon Polyp, Colon Lesion
Interventions
Computer-Assisted Detection (CADe) Device
Device
Lead sponsor
Verily Life Sciences LLC
Industry
Eligibility
45 Years to 80 Years
Enrollment
1,410 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
5
States / cities
Rochester, Minnesota • Durham, North Carolina • Mentor, Ohio + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 14, 2025 · Synced Oct 18, 2026, 4:52 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Efficacy Study of Bowel Preparation Before Colonoscopy

NCT00621920
View directory record Official record
Conditions
Bowel Cleansing Prior to Colonoscopy
Interventions
FM-601
Drug
Lead sponsor
C.B. Fleet Company, Inc.
Industry
Eligibility
50 Years and older
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
2
States / cities
Anaheim, California • Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Feb 10, 2012 · Synced Oct 18, 2026, 4:52 AM EDT
Suspended No phase listed Observational Accepts healthy volunteers

Protocol to Validate the Performance of the LifeKit® Prevent Colorectal Neoplasia Test for CRC Screening

NCT04693546
View directory record Official record
Conditions
Colorectal Cancer, Colorectal Adenoma
Interventions
LifeKit Prevent Colorectal Neoplasia Test, FIT Test
Diagnostic Test
Lead sponsor
Metabiomics Corp
Industry
Eligibility
40 Years and older
Enrollment
12,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Carlsbad, California
Source: ClinicalTrials.gov public record
Updated Sep 26, 2025 · Synced Oct 18, 2026, 4:52 AM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Choose It and Use It: Choice, Implementation Intentions and At-Home Colorectal Cancer Screening

NCT06085560
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Usual Care Message, Implementation Intention Intervention: Standard Message, Implementation Intention Intervention: Culturally-Targeted Message
Behavioral
Lead sponsor
Michigan State University
Other
Eligibility
45 Years to 72 Years
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Flint, Michigan
Source: ClinicalTrials.gov public record
Updated May 8, 2026 · Synced Oct 18, 2026, 4:52 AM EDT
Recruiting No phase listed Observational

Collecting Blood and Stool Samples to Detect Colorectal Cancer or Advanced Neoplasia in Lynch Syndrome Patients

NCT05410977
View directory record Official record
Conditions
Colorectal Carcinoma, Lynch Syndrome
Interventions
Biospecimen Collection, Electronic Health Record Review
Procedure · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
950 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
9
States / cities
Scottsdale, Arizona • San Francisco, California • Aurora, Colorado + 5 more
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Oct 18, 2026, 4:52 AM EDT
Completed Not applicable Interventional

Cost-Minimization Analysis After a Targeted Intervention for EGD and Colonoscopy

NCT02328001
View directory record Official record
Conditions
Primary Focus of the Study is Cost-minimization Analysis
Interventions
Debriefing endoscopists of the procedure accessory costs
Behavioral
Lead sponsor
Sindhu R Kaitha, MD
Other
Eligibility
18 Years and older
Enrollment
969 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Apr 7, 2017 · Synced Oct 18, 2026, 4:52 AM EDT
Not listed No phase listed Observational

Collection of Gastrointestinal Malignant and Non-malignant Human Samples

NCT03415919
View directory record Official record
Conditions
Inflammatory Bowel Diseases, Colo-rectal Cancer
Interventions
no intervention will be given to patients.
Other
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years to 99 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jun 16, 2021 · Synced Oct 18, 2026, 4:52 AM EDT
Completed Phase 3 Interventional Results available

Investigation of PicoPrep Versus HalfLytely for Bowel Preparation for Colonoscopy - Split Dose PicoPrep

NCT01073930
View directory record Official record
Conditions
Bowel Preparation
Interventions
PicoPrep, HalfLytely, bisacodyl
Drug
Lead sponsor
Ferring Pharmaceuticals
Industry
Eligibility
18 Years to 80 Years
Enrollment
608 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
9
States / cities
Huntsville, Alabama • Sherwood, Arkansas • Bristol, Connecticut + 6 more
Source: ClinicalTrials.gov public record
Updated Feb 12, 2013 · Synced Oct 18, 2026, 4:52 AM EDT
Completed Phase 4 Interventional Results available

F38-27: An Evaluation of 2 Different Bowel Cleansing Preparations in Adult Subjects

NCT00857272
View directory record Official record
Conditions
Colonoscopy
Interventions
PEG electrolyte lavage solution + bisacodyl - reformulation, PEG electrolyte lavage solution + bisacodyl
Drug
Lead sponsor
Braintree Laboratories
Industry
Eligibility
18 Years and older
Enrollment
308 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2009
U.S. locations
6
States / cities
Anaheim, California • Orange, California • San Diego, California + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 5, 2010 · Synced Oct 18, 2026, 4:52 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Colorectal Polyp Resection Adequacy

NCT02217085
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 23, 2022 · Synced Oct 18, 2026, 4:52 AM EDT
Terminated No phase listed Observational

Non-Invasive Prediction of Colorectal Neoplasia

NCT01815463
View directory record Official record
Conditions
Colonic Polyps, Polyposis Coli, Colorectal Cancer
Interventions
Not listed
Lead sponsor
Corporal Michael J. Crescenz VA Medical Center
Federal
Eligibility
18 Years to 85 Years
Enrollment
2,282 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2014
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 27, 2016 · Synced Oct 18, 2026, 4:52 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Safe, Effective, and More Tolerable 16 Tablets Colon Prep

NCT00817934
View directory record Official record
Conditions
Colon Cancer
Interventions
AB PREP
Drug
Lead sponsor
Long Neck Medical Enterprises
Other
Eligibility
12 Years to 75 Years
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Millsboro, Delaware
Source: ClinicalTrials.gov public record
Updated Jan 7, 2009 · Synced Oct 18, 2026, 4:52 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The National CT Colonography Trial

NCT00084929
View directory record Official record
Conditions
Colorectal Cancer
Interventions
CT Colonography
Procedure
Lead sponsor
American College of Radiology Imaging Network
Network
Eligibility
50 Years and older
Enrollment
2,600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2010
U.S. locations
14
States / cities
Scottsdale, Arizona • La Jolla, California • Los Angeles, California + 11 more
Source: ClinicalTrials.gov public record
Updated Dec 22, 2020 · Synced Oct 18, 2026, 4:52 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Novel Biophotonics Methodology for Colon Cancer Screening

NCT01999478
View directory record Official record
Conditions
Colon Cancer
Interventions
Not listed
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older
Enrollment
4,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2015
U.S. locations
5
States / cities
Los Angeles, California • Evanston, Illinois • Indianapolis, Indiana + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 13, 2016 · Synced Oct 18, 2026, 4:52 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Improving Colonoscopy Quality for Colorectal Cancer Screening in the National VA Healthcare System

NCT04389957
View directory record Official record
Conditions
Colorectal Neoplasms
Interventions
Veterans Affairs Endoscopy Quality Improvement Program (VA-EQuIP)
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
445 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
6
States / cities
San Diego, California • San Francisco, California • Indianapolis, Indiana + 3 more
Source: ClinicalTrials.gov public record
Updated May 30, 2025 · Synced Oct 18, 2026, 4:52 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Interventions to Decrease Health Information Avoidance

NCT06972667
View directory record Official record
Conditions
Health Information Avoidance
Interventions
Video to promote colonoscopy, Video to promote screening for colorectal cancer with home tests
Other
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
45 Years to 75 Years
Enrollment
1,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Feb 4, 2026 · Synced Oct 18, 2026, 4:52 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Morning-Only 4 L PEG vs Split Dose Prep for Afternoon Colonoscopies, Endoscopist-Blinded Prospective Study

NCT02643316
View directory record Official record
Conditions
Colonoscopy
Interventions
Same day 4 L preparation (Polyethylene Glycol), Split dose 4 L preparation (Polyethylene Glycol)
Drug
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Weston, Florida
Source: ClinicalTrials.gov public record
Updated Dec 4, 2019 · Synced Oct 18, 2026, 4:52 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Evaluation of C-Scan Capsule in Identifying Subjects With Elevated Risk of Colon Polyps

NCT05271656
View directory record Official record
Conditions
Healthy
Interventions
C-Scan System
Device
Lead sponsor
Check-Cap Ltd.
Industry
Eligibility
45 Years to 75 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
3
States / cities
Phoenix, Arizona • Rochester, Minnesota • New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 28, 2023 · Synced Oct 18, 2026, 4:52 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Peer Patient Navigation for Colon Cancer Screening

NCT02194959
View directory record Official record
Conditions
Screening Colonoscopy
Interventions
Peer PN, Pro PN
Behavioral
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
50 Years and older
Enrollment
800 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 28, 2014 · Synced Oct 18, 2026, 4:52 AM EDT
Recruiting No phase listed Observational

A Study of a Urine Test to Detect Colorectal Cancer

NCT07649057
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Oct 18, 2026, 4:52 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Yoga and Bolus Lukewarm Saline as Rapid Colonoscopy Preparation

NCT01547130
View directory record Official record
Conditions
Colonic Neoplasms
Interventions
Normal (0.9%) saline, HalfLytely
Drug
Lead sponsor
Arya, Vijaypal, M.D., P.C.
Individual
Eligibility
21 Years to 70 Years
Enrollment
133 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
1
States / cities
Middle Village, New York
Source: ClinicalTrials.gov public record
Updated Mar 4, 2015 · Synced Oct 18, 2026, 4:52 AM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Cleansing Options in Out-Patient Setting to Improve Tolerance (COOP SIT) Trial

NCT07215000
View directory record Official record
Conditions
Colorectal Cancer Screening, Bowel Cleansing for Colonoscopy
Interventions
Golytely, Sulfave, Sutab
Drug
Lead sponsor
Morehouse School of Medicine
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 9, 2025 · Synced Oct 18, 2026, 4:52 AM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers

Use of High Resolution Colonic Manometry in Studying Motility

NCT02574611
View directory record Official record
Conditions
Gastrointestinal Dysfunction
Interventions
Neostigmine, Glycopyrrolate, Saline (Placebo), High Resolution Colonic Manometry
Drug · Other · Device
Lead sponsor
James J. Peters Veterans Affairs Medical Center
Federal
Eligibility
18 Years to 75 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Sep 28, 2021 · Synced Oct 18, 2026, 4:52 AM EDT