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Showing 1–24 of 187 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Standard Colonoscopy Clear all
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 Apr 30, 2024 · Synced Sep 2, 2026, 9:19 PM EDT
Completed Not applicable Interventional

A Comparison of Air Insufflation, Water Immersion and Water Exchange Colonoscopy in Diagnostic Patients

NCT01781650
View directory record Official record
Conditions
Pain, Colorectal Adenomas, Colorectal Cancer
Interventions
Air Insufflation method., Water Immersion method., Water Exchange method.
Other
Lead sponsor
Presidio Ospedaliero Santa Barbara
Other
Eligibility
18 Years to 85 Years
Enrollment
288 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 14, 2014 · Synced Sep 2, 2026, 9:19 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Computer Aided Detection, Tandem Colonoscopy Study

NCT04074577
View directory record Official record
Conditions
Colonic Diseases
Interventions
Standard technique First, combination technique First
Diagnostic Test
Lead sponsor
NYU Langone Health
Other
Eligibility
22 Years and older
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 28, 2021 · Synced Sep 2, 2026, 9:19 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Narrow Band Imaging Colon Polyp Study

NCT00614770
View directory record Official record
Conditions
Adenomatous Polyp, New Imaging Techniques in Colonoscopy
Interventions
standard of care colonoscopy, colonoscopy
Procedure
Lead sponsor
Kansas City Veteran Affairs Medical Center
Federal
Eligibility
18 Years and older
Enrollment
630 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
2
States / cities
Kansas City, Missouri • St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 16, 2010 · Synced Sep 2, 2026, 9:19 PM EDT
Completed Phase 4 Interventional

Examining the Effect of Ondansetron on Bowel Prep Success

NCT05439772
View directory record Official record
Conditions
Abdominal Pain, Inflammatory Bowel Diseases, Eosinophilic Gastroenteritis, Diarrhea, Hematochezia, Weight Loss
Interventions
Ondansetron
Drug
Lead sponsor
State University of New York - Downstate Medical Center
Other
Eligibility
2 Years to 20 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Oct 14, 2025 · Synced Sep 2, 2026, 9:19 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 Sep 2, 2026, 9:19 PM EDT
Recruiting Phase 2 Interventional

Evaluation of Gixam's Performance in a FIT Negative Population

NCT06612281
View directory record Official record
Conditions
Colorectal Adenoma, Colorectal Cancer (CRC), Colorectal Cancer (CRC) Screening
Interventions
colorectal cancer (CRC) screening, colorectal cancer screening, Colonoscopy after bowel cleansing
Device · Diagnostic Test · Procedure
Lead sponsor
Jubaan Ltd.
Industry
Eligibility
45 Years to 85 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 13, 2024 · Synced Sep 2, 2026, 9:19 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Polyp Detection With the EndoRings™: A Randomized Tandem Colonoscopy Study

NCT01955122
View directory record Official record
Conditions
Colon Cancer
Interventions
Tandem Colonoscopy
Device
Lead sponsor
EndoAid
Industry
Eligibility
40 Years to 75 Years
Enrollment
126 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Mar 5, 2017 · Synced Sep 2, 2026, 9:19 PM EDT
Not yet recruiting Not applicable Interventional

Improving Rates of Diagnostic Colonoscopy in Native Americans

NCT07115875
View directory record Official record
Conditions
CRC Screening, CRC (Colorectal Cancer)
Interventions
Digital Outreach, In Person consultation
Other
Lead sponsor
University of Oklahoma
Other
Eligibility
45 Years to 75 Years
Enrollment
164 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Sep 29, 2025 · Synced Sep 2, 2026, 9:19 PM EDT
Completed No phase listed Observational Results available

Comparison of Virologic and Immunologic Responses to Raltegravir and Dolutegravir in the Gastrointestinal Tract of HIV-Positive Adults

NCT02218320
View directory record Official record
Conditions
Human Immunodeficiency Virus
Interventions
Raltegravir, Dolutegravir, Colonoscopy with biopsy
Drug · Procedure
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 25, 2018 · Synced Sep 2, 2026, 9:19 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Comparison of Methods to Detect Polyps During Colonoscopy

NCT01025960
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Standard Inspection Colonoscopy, Dual Inspection Colonoscopy
Procedure
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 80 Years
Enrollment
768 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 26, 2012 · Synced Sep 2, 2026, 9:19 PM EDT
Completed Not applicable Interventional Results available

Comparison of Colon Adenoma Detection Rate Using Two Distal Colonoscope Attachments

NCT02665741
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 17, 2020 · Synced Sep 2, 2026, 9:19 PM EDT
Recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

Linaclotide for Colonoscopy Bowel Prep

NCT06692673
View directory record Official record
Conditions
Patients Scheduled for Colonoscopy
Interventions
Use of Linaclotide as a single agent Colonoscopy prep
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Sep 2, 2026, 9:19 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 19, 2026 · Synced Sep 2, 2026, 9:19 PM EDT
Recruiting No phase listed Observational

GLP1 Fasting Status and Gastric Retention Using Gastric Ultrasound

NCT07251803
View directory record Official record
Conditions
Gastric Retention
Interventions
Gastric Ultrasound
Diagnostic Test
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Feb 24, 2026 · Synced Sep 2, 2026, 9:19 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effectiveness and Safety of the Colonoscopy With "Visualization" Balloon

NCT02117232
View directory record Official record
Conditions
Colonic Adenomatous Polyps
Interventions
Visualization balloon, Traditional CO2 insufflation colonoscopy
Device
Lead sponsor
Mercy Medical Center
Other
Eligibility
17 Years to 90 Years
Enrollment
216 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 20, 2018 · Synced Sep 2, 2026, 9:19 PM EDT
Withdrawn Not applicable Interventional

Comparison of High-flow Oxygen With or Without Nasal Positive Airway Pressure (PAP) During Propofol Sedation for Colonoscopy in an Ambulatory Surgical Center

NCT05754255
View directory record Official record
Conditions
Colonoscopy, Positive-Pressure Respiration
Interventions
Nasal Cannula, Nasal Positive Airway Pressure System
Device
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Feb 23, 2026 · Synced Sep 2, 2026, 9:19 PM EDT
Completed Not applicable Interventional

EGD-assisted Bowel Preparation for Colonoscopy

NCT01563744
View directory record Official record
Conditions
Esophagoscopy Techniques, Colonoscopy
Interventions
EGD-assisted administration of colonoscopy prep, Control Group received standard prep by oral administration
Procedure
Lead sponsor
Rockford Gastroenterology Associates
Other
Eligibility
Not listed
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
2
States / cities
Rockford, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 18, 2016 · Synced Sep 2, 2026, 9:19 PM EDT
Completed Phase 3 Interventional Results available

Safety and Effectiveness of a Computer-Assisted Personalized Sedation (CAPS) Device for Propofol Delivery During Endoscopy

NCT00452426
View directory record Official record
Conditions
Colonoscopy, Endoscopy, Digestive System, Conscious Sedation
Interventions
Computer-Assisted Personalized Sedation (CAPS) Device (SEDASYS® System), benzodiazepines and opioid sedation
Device · Other
Lead sponsor
Ethicon Endo-Surgery
Industry
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
7
States / cities
Washington D.C., District of Columbia • Fayetteville, North Carolina • Winston-Salem, North Carolina + 4 more
Source: ClinicalTrials.gov public record
Updated Jan 24, 2011 · Synced Sep 2, 2026, 9:19 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Computer Aided Detection of Polyps During Colonoscopy Procedures

NCT04195646
View directory record Official record
Conditions
Colo-rectal Cancer, Polyp of Colon, Adenomatous Polyps
Interventions
EndoVigilant CAD Software
Device
Lead sponsor
EndoVigilant Inc
Industry
Eligibility
18 Years to 85 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
2
States / cities
Palo Alto, California • Greenbelt, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 1, 2021 · Synced Sep 2, 2026, 9:19 PM EDT
Completed No phase listed Observational

Detection Rate of Serrated Adenomas in Screening Colonoscopy

NCT03442270
View directory record Official record
Conditions
Healthy Patients Undergoing Screening Colonoscopy
Interventions
No Intervention
Other
Lead sponsor
TriHealth Inc.
Other
Eligibility
18 Years and older
Enrollment
276 participants
Timeline
2018
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 13, 2019 · Synced Sep 2, 2026, 9:19 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Parkinson's Disease Biomarkers in Nerve Cells in the Gut

NCT05347407
View directory record Official record
Conditions
Parkinson Disease
Interventions
Colonoscopy
Procedure
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
45 Years to 75 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Sep 2, 2026, 9:19 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Prevention of Colorectal Cancer Through Multiomics Blood Testing

NCT04369053
View directory record Official record
Conditions
Colon Cancer, Rectal Cancer, Colon Neoplasm, Colon Diseases, Colon Lesion, Colon Polyp, Colorectal Cancer, Polyp, Adenoma, Rectal Diseases, Gastrointestinal Tract Cancers
Interventions
Freenome test
Diagnostic Test
Lead sponsor
Freenome Holdings Inc.
Industry
Eligibility
45 Years to 85 Years
Enrollment
48,995 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
147
States / cities
Birmingham, Alabama • Huntsville, Alabama • Chandler, Arizona + 122 more
Source: ClinicalTrials.gov public record
Updated Dec 25, 2025 · Synced Sep 2, 2026, 9:19 PM EDT
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 11, 2019 · Synced Sep 2, 2026, 9:19 PM EDT