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ClinicalTrials.gov public records Last synced Oct 17, 2026, 9:47 PM EDT

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Showing 241–264 of 670 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Colonoscopy Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

A 4-arm Clinical Trial of Fuse®, EndoCuff™, EndoRings™ and Standard Colonoscopy

NCT02345889
View directory record Official record
Conditions
Colorectal Neoplasms
Interventions
Colonoscopy with EndoCuff™, FUSE® Colonoscopy, Colonoscopy with EndoRings™, Standard Colonoscopy
Device
Lead sponsor
Indiana University
Other
Eligibility
50 Years and older
Enrollment
1,262 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Mar 12, 2019 · Synced Oct 17, 2026, 9:47 PM EDT
Active, not recruiting Not applicable Interventional

Impact of Chewing Gum on Bowel Preparation in Patients Undergoing Colonoscopy

NCT07320989
View directory record Official record
Conditions
Colon Cancer Screening
Interventions
Chewing Sugar-Free Gum During Bowel Preparation, Standard Bowel Prep (2L PEG-ELP), Standard Bowel Prep
Behavioral · Other
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
45 Years to 75 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Towson, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 17, 2026 · Synced Oct 17, 2026, 9:47 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

De-implementation of Outdated Colonoscopy Surveillance Interval Recommendations Among Patients With Low-risk Adenomas

NCT05389397
View directory record Official record
Conditions
Polyp of Colon
Interventions
Outreach
Behavioral
Lead sponsor
Kaiser Permanente
Other
Eligibility
54 Years to 70 Years
Enrollment
604 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 14, 2023 · Synced Oct 17, 2026, 9:47 PM EDT
Completed Not applicable Interventional Results available

High-Flow Nasal Cannula and Desaturation Episodes in the Morbidly Obese Patients

NCT03148262
View directory record Official record
Conditions
Desaturation of Blood, Obesity, Colonoscopy, Sleep Apnea, High Flow Nasal Cannula
Interventions
The Comfort Flo system, The Salter nasal cannula
Device
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
2
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Nov 19, 2018 · Synced Oct 17, 2026, 9:47 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

The Effect of Music on Colonoscopy (MUSICOL)

NCT04628052
View directory record Official record
Conditions
Procedural Anxiety, Colon Polyp
Interventions
Colonoscopy
Procedure
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years to 80 Years
Enrollment
83 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 14, 2024 · Synced Oct 17, 2026, 9:47 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Blood and Stool Sample Collection in Subjects Participating in Colorectal Cancer Screening: Act Bold

NCT03821948
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Not listed
Lead sponsor
Exact Sciences Corporation
Industry
Eligibility
40 Years and older
Enrollment
5,131 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
40
States / cities
Tempe, Arizona • Chula Vista, California • Huntington Beach, California + 36 more
Source: ClinicalTrials.gov public record
Updated Jul 21, 2020 · Synced Oct 17, 2026, 9:47 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Screening and Risk Factors of Colon Neoplasia

NCT01647776
View directory record Official record
Conditions
Colon Cancer
Interventions
Stool DNA Test, biopsies of rectal and colon mucosa, Questionnaires
Other · Procedure
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
30 Years to 80 Years
Enrollment
3,315 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 9, 2021 · Synced Oct 17, 2026, 9:47 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

AI Colorectal Polyp Detection

NCT04979962
View directory record Official record
Conditions
Polyp Colorectal, Adenoma Colon
Interventions
EW10-EC02 (Endoscopy Support Program)
Device
Lead sponsor
Fujifilm Medical Systems USA, Inc.
Industry
Eligibility
45 Years and older
Enrollment
1,162 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
10
States / cities
Los Angeles, California • Largo, Florida • Chestnut Hill, Massachusetts + 4 more
Source: ClinicalTrials.gov public record
Updated Sep 18, 2023 · Synced Oct 17, 2026, 9:47 PM EDT
Not yet recruiting Not applicable Interventional

Visualization of the Colon Through Use of the Magnetic Flexible Endoscope (MFE) in Participants With Inflammatory Bowel Disease (IBD)

NCT06989424
View directory record Official record
Conditions
Inflammatory Bowel Disease (IBD), Colonoscopy
Interventions
Magnetic Flexible Endoscope (MFE)
Device
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 70 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Oct 17, 2026, 9:47 PM EDT
Completed Phase 2 Interventional Results available

Examining the Efficacy of Fecal Microbiota Transplantation (FMT) and Dietary Fiber in Patients With Ulcerative Colitis

NCT03998488
View directory record Official record
Conditions
Ulcerative Colitis, Inflammatory Bowel Diseases
Interventions
Fecal Microbiota Transplantation, Psyllium Husk Powder
Drug · Dietary Supplement
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 89 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 3, 2025 · Synced Oct 17, 2026, 9:47 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Assessing Effect of Withdrawal Time on Adenoma Detection Rate for Screening Colonoscopy

NCT05018325
View directory record Official record
Conditions
Colon Cancer, Rectal Cancer, Colorectal Cancer
Interventions
Colonoscopy with 6 minute withdrawal, Colonoscopy 9 minute withdrawal, Colonoscopy 12 minute withdrawal
Procedure
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 75 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 31, 2022 · Synced Oct 17, 2026, 9:47 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Prospective Trial of an Endoscopic Quality Improvement Project

NCT02325635
View directory record Official record
Conditions
Colon Polyps
Interventions
Educational Training
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Nov 13, 2015 · Synced Oct 17, 2026, 9:47 PM EDT
Recruiting Phase 1 Interventional

Fecal Microbiota Transplantation in Treating Immune-Checkpoint Inhibitor Induced-Diarrhea or Colitis in Genitourinary Cancer Patients

NCT04038619
View directory record Official record
Conditions
Colitis, Diarrhea, Malignant Genitourinary System Neoplasm, Melanoma, Lung Cancer, Ovarian Cancer, Uterine Cancer, Breast Cancer, Cervical Cancer
Interventions
Fecal Microbiota Transplantation, Loperamide
Procedure · Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 18, 2026 · Synced Oct 17, 2026, 9:47 PM EDT
Withdrawn Phase 1Phase 2 Interventional

A Study of Neoadjuvant Photodynamic Immunomodulation for Colon Cancer

NCT01522677
View directory record Official record
Conditions
Colon Cancer
Interventions
PDT with 5-ALA radiosensitization
Drug
Lead sponsor
Edward Nelson
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
2
States / cities
Orange, California • New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 1, 2016 · Synced Oct 17, 2026, 9:47 PM EDT
Completed Phase 1 Interventional

Study of KCC Peptide Application in the Colon

NCT02156557
View directory record Official record
Conditions
Colon Polyps, Colorectal Cancer, Inflammatory Bowel Disease (IBD)
Interventions
Colon KCC Heptapeptide
Biological
Lead sponsor
Danielle Kim Turgeon
Other
Eligibility
18 Years to 100 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 4, 2017 · Synced Oct 17, 2026, 9:47 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Cruciferous Vegetable Intake and Histone Status in Screening Colonoscopy Patients

NCT01344330
View directory record Official record
Conditions
Colon Cancer
Interventions
Not listed
Lead sponsor
Texas A&M University
Other
Eligibility
50 Years to 75 Years
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Dec 19, 2020 · Synced Oct 17, 2026, 9:47 PM EDT
Completed Phase 3 Interventional Results available

BLI850-302: BLI850 vs an Approved Active Control Bowel Preparation in Adult Subjects Undergoing Colonoscopy

NCT00756548
View directory record Official record
Conditions
Colon Cancer
Interventions
BLI850, polyethylene glycol 3350 based bowel preparation
Drug
Lead sponsor
Braintree Laboratories
Industry
Eligibility
18 Years and older
Enrollment
386 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2008
U.S. locations
12
States / cities
Anaheim, California • Orange, California • Indianapolis, Indiana + 9 more
Source: ClinicalTrials.gov public record
Updated Dec 27, 2013 · Synced Oct 17, 2026, 9:47 PM EDT
Completed Not applicable Interventional

Improving Competency and Metrics for PoLypectomy Skills Using Evaluation Tools and VidEo Feedback (COMPLETE)

NCT03115008
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Video-based terminal feedback
Behavioral
Lead sponsor
San Francisco Veterans Affairs Medical Center
Federal
Eligibility
25 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Nov 5, 2020 · Synced Oct 17, 2026, 9:47 PM EDT
Completed Not applicable Interventional

Unsedated Colonoscopy for Colorectal Cancer Screening and Surveillance

NCT01383252
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 17, 2013 · Synced Oct 17, 2026, 9:47 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Simultaneous Improvement in Colon Cancer Screening Rates and Patient-Centered Care

NCT02377232
View directory record Official record
Conditions
Colon Cancer
Interventions
Decision Aid for Colon Cancer Screening, Usual Care Outreach for Colon Cancer Screening
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
50 Years to 75 Years
Enrollment
424 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 26, 2017 · Synced Oct 17, 2026, 9:47 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Collection of Samples USOPTIVAL Study

NCT04792684
View directory record Official record
Conditions
Colorectal Cancer (CRC), Advanced Adenomas (AA)
Interventions
Optimization of Plasma Circulating Free-DNA (cfDNA) Marker Panel
Diagnostic Test
Lead sponsor
Universal Diagnostics
Industry
Eligibility
45 Years to 84 Years
Enrollment
1,300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
16
States / cities
Chula Vista, California • San Diego, California • Walnut Creek, California + 11 more
Source: ClinicalTrials.gov public record
Updated Nov 10, 2025 · Synced Oct 17, 2026, 9:47 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Enteric Neural Precursor Cells (ENPC) in the Human Gut

NCT04880538
View directory record Official record
Conditions
Gastrointestinal Dysmotility
Interventions
Endoscopic procedure
Procedure
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 100 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 15, 2024 · Synced Oct 17, 2026, 9:47 PM EDT
Completed No phase listed Observational

Comparative Effectiveness of FITs With Colonoscopy

NCT03264898
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Fecal immunochemical test (FIT)
Device
Lead sponsor
Barcey T. Levy
Other
Eligibility
50 Years to 85 Years
Enrollment
3,761 participants
Timeline
2017 – 2023
U.S. locations
3
States / cities
Iowa City, Iowa • Chapel Hill, North Carolina • El Paso, Texas
Source: ClinicalTrials.gov public record
Updated Aug 2, 2024 · Synced Oct 17, 2026, 9:47 PM EDT
Withdrawn Phase 4 Interventional Accepts healthy volunteers

Enhanced Recovery Pathway for Endoscopy

NCT04983498
View directory record Official record
Conditions
Enhanced Recovery Pathway, Endoscopy
Interventions
Ondansetron 4 MG, Lactated Ringers, Intravenous, Early Mobilization, Early PO Intake
Drug · Other
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 15, 2021 · Synced Oct 17, 2026, 9:47 PM EDT