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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Colonoscopy Clear all
Not listed Not applicable Interventional

Polyethylene Glycol Cleansing in Patients at High Risk for Poor Bowel Preparation

NCT03011788
View directory record Official record
Conditions
Colonoscopy
Interventions
Golytely Oral Solution
Drug
Lead sponsor
VA Connecticut Healthcare System
Federal
Eligibility
18 Years and older
Enrollment
270 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 2, 2019 · Synced Jul 21, 2026, 6:11 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

One-Day Versus Three-Day Bowel Preparation for Colonoscopy in Children

NCT02174497
View directory record Official record
Conditions
Bowel Preparation, Pediatric Colonoscopy
Interventions
Not listed
Lead sponsor
St. John Health System, Michigan
Other
Eligibility
2 Years to 21 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 24, 2014 · Synced Jul 21, 2026, 6:11 PM EDT
Completed Phase 4 Interventional Results available

A Study Evaluating the Gastrointestinal (GI) Safety and Tolerability of Aliskiren Compared to Ramipril in Essential Hypertension

NCT00631917
View directory record Official record
Conditions
Hypertension
Interventions
Aliskiren, Ramipril, Placebo to Ramipril, Placebo to Aliskiren
Drug · Other
Lead sponsor
Novartis
Industry
Eligibility
50 Years and older
Enrollment
774 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 11, 2011 · Synced Jul 21, 2026, 6:11 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Efficacy and Safety of Standard Oral Colonoscopic Preparations With or Without Neostigmine Compared to Pulse-Irrigation Colonic Lavage

NCT00745095
View directory record Official record
Conditions
Spinal Cord Injury
Interventions
Neostigmine
Drug
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years and older
Enrollment
360 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Jul 15, 2014 · Synced Jul 21, 2026, 6:11 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

A Comparison of 5 Low Volume Bowel Preparations

NCT01719653
View directory record Official record
Conditions
Bowel Preparation for Colonoscopy
Interventions
MiraLAX, Gatorade, MoviPrep, SUPREP
Drug · Other
Lead sponsor
Gastroenterology Services, Ltd.
Other
Eligibility
18 Years and older
Enrollment
1,079 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Downers Grove, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 23, 2017 · Synced Jul 21, 2026, 6:11 PM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Colonoscopy Bowel Prep Comparison Among Diabetic Patients

NCT07351019
View directory record Official record
Conditions
Colon Cancer Screening
Interventions
Golytely, SUPRPEP
Drug
Lead sponsor
Eisenhower Army Medical Center
Federal
Eligibility
Not listed
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Fort Gordon, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 19, 2026 · Synced Jul 21, 2026, 6:11 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 Sep 30, 2020 · Synced Jul 21, 2026, 6:11 PM EDT
Completed Phase 2 Interventional Results available

BLI4700-202: A Pilot Evaluation of BLI4700 Bowel Preparation in Adult Subjects

NCT03103581
View directory record Official record
Conditions
Colonoscopy
Interventions
BLI4700
Drug
Lead sponsor
Braintree Laboratories
Industry
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
2
States / cities
Anaheim, California • Bastrop, Louisiana
Source: ClinicalTrials.gov public record
Updated Nov 14, 2023 · Synced Jul 21, 2026, 6:11 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Use of Peppermint Oil During Screening Colonoscopy to Improve Visibility

NCT03286764
View directory record Official record
Conditions
Enhancement of the ADR During Colonoscopy
Interventions
Peppermint Oil, Distilled water
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
50 Years and older
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Apr 2, 2020 · Synced Jul 21, 2026, 6:11 PM EDT
Completed Not applicable Interventional

Deep-Learning for Automatic Polyp Detection During Colonoscopy

NCT03637712
View directory record Official record
Conditions
Screening Colonoscopy
Interventions
Computer Algorithm
Device
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 99 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 14, 2020 · Synced Jul 21, 2026, 6:11 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Chromoendoscopy or Narrow Band Imaging (NBI) for Improving Adenoma Detection in Colonoscopy

NCT04192929
View directory record Official record
Conditions
Colorectal Neoplasms
Interventions
Narrow band imaging, Chromoendoscopy, High definition white light endoscopy
Device · Other
Lead sponsor
Indiana University
Other
Eligibility
40 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Nov 5, 2024 · Synced Jul 21, 2026, 6:11 PM EDT
Not listed Not applicable Interventional

Prospective Study for Evaluating Colon Polyp Histology With in Vivo Probe Based Confocal Laser Endomicroscopy

NCT01214031
View directory record Official record
Conditions
Colon Polyps, Adenomatous Polyps, Colon Cancer
Interventions
Confocal laser endomicroscopy (CLE)
Device
Lead sponsor
Midwest Biomedical Research Foundation
Other
Eligibility
18 Years to 85 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 8, 2012 · Synced Jul 21, 2026, 6:11 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

Evaluation of PillCam® Colon 2 Capsule Endoscopy Regimen

NCT01185002
View directory record Official record
Conditions
Colonoscopy, Endoscopy
Interventions
PillCam® COLON 2 procedure using MgC boosts, PillCam® COLON 2 procedure using Suprep boosts, PillCam® COLON 2 procedure using reduced dose of Suprep boosts
Other
Lead sponsor
Medtronic - MITG
Industry
Eligibility
50 Years to 75 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
7
States / cities
Huntsville, Alabama • Indianapolis, Indiana • New York, New York + 4 more
Source: ClinicalTrials.gov public record
Updated Jul 30, 2019 · Synced Jul 21, 2026, 6:11 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Effectiveness of Continuous Negative External Pressure in Preventing Upper Airway Impairment During Routine Colonoscopy

NCT01895062
View directory record Official record
Conditions
Airway Obstruction, Apnea, Hypopnea
Interventions
Airway Management System (AMS)
Device
Lead sponsor
5i Sciences, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Aug 5, 2014 · Synced Jul 21, 2026, 6:11 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 – 2027
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 20, 2026 · Synced Jul 21, 2026, 6:11 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

A Prospective, Single Blinded Study for Predicting Colon Polyp Histology With Narrow Band Imaging

NCT00613262
View directory record Official record
Conditions
Colonoscopy, Adenomatous Polyp, Neoplastic
Interventions
Narrow Band Imaging
Other
Lead sponsor
Midwest Biomedical Research Foundation
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 8, 2012 · Synced Jul 21, 2026, 6:11 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 5, 2025 · Synced Jul 21, 2026, 6:11 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Utility Analysis of an Endoscopy Follow-up System

NCT01172080
View directory record Official record
Conditions
Colonoscopy Adherence
Interventions
protocol of reminders regarding due colonoscopy
Other
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
Up to 85 Years
Enrollment
830 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 18, 2018 · Synced Jul 21, 2026, 6:11 PM EDT
Completed Early Phase 1 Interventional

A Single Dose FMT Infusion as an Adjunct to Keytruda for Metastatic Mesothelioma

NCT04056026
View directory record Official record
Conditions
Mesothelioma
Interventions
Fecal Microbiota Transplant
Biological
Lead sponsor
ProgenaBiome
Other
Eligibility
Not listed
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Ventura, California
Source: ClinicalTrials.gov public record
Updated Sep 22, 2019 · Synced Jul 21, 2026, 6:11 PM EDT
Completed Phase 4 Interventional Results available

A Dose-ranging Study to Evaluate the Safety and Efficacy of LUSEDRA (Fospropofol Disodium) as an Intravenous Sedative for Diagnostic or Therapeutic Colonoscopy in Adult Special Populations

NCT01127438
View directory record Official record
Conditions
Sedation
Interventions
fospropofol disodium Subgroup 1 Lower Dose, fospropofol disodium Subgroup 1 Approved Dose, fospropofol disodium Subgroup 2 Lower Dose, fospropofol disodium Subgroup 2 Approved Dose, fospropofol disodium Subgroup 3 Lower Dose, fospropofol disodium Subgroup 3 Approved Dose
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
18 Years and older
Enrollment
153 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
23
States / cities
Phoenix, Arizona • Baldwin Park, California • San Diego, California + 20 more
Source: ClinicalTrials.gov public record
Updated Feb 7, 2013 · Synced Jul 21, 2026, 6:11 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 30, 2022 · Synced Jul 21, 2026, 6:11 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Colonoscopy Versus Fecal Immunochemical Test in Reducing Mortality From Colorectal Cancer (CONFIRM)

NCT01239082
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Colonoscopy, FIT
Procedure
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
50 Years to 75 Years
Enrollment
50,126 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2028
U.S. locations
45
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Fresno, California + 42 more
Source: ClinicalTrials.gov public record
Updated Nov 9, 2025 · Synced Jul 21, 2026, 6:11 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

RCT of Air Insufflation Versus Water Infusion Colonoscopy by Supervised Trainees

NCT00841282
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Colonoscopy for colorectal cancer screening, Water Infusion Colonoscopy, Air insufflation colonoscopy
Procedure
Lead sponsor
East Bay Institute for Research and Education
Other
Eligibility
50 Years to 80 Years
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Mather, California
Source: ClinicalTrials.gov public record
Updated Feb 10, 2009 · Synced Jul 21, 2026, 6:11 PM EDT
Recruiting No phase listed Observational

Colonoscopic Detection of Phosphorylated Alpha-synuclein for Parkinson's Diagnosis

NCT07204652
View directory record Official record
Conditions
PARKINSON DISEASE (Disorder), Parkinson, Parkinson's Disease and Parkinsonism, Parkinson Disease
Interventions
No Intervention: Observational Cohort
Diagnostic Test
Lead sponsor
CND Life Sciences
Other
Eligibility
40 Years to 99 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Feb 10, 2026 · Synced Jul 21, 2026, 6:11 PM EDT