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ClinicalTrials.gov public records Last synced Oct 18, 2026, 7:32 AM EDT

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Showing 361–384 of 670 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Colonoscopy Clear all
Enrolling by invitation Not applicable Interventional

Six Versus Twelve Month Index Follow-up After Large Colon Polyp Resection

NCT07198945
View directory record Official record
Conditions
Colon Cancer, Colon Polyp, Adenoma, Serrated Polyp, Recurrence, Local Neoplasm, Endoscopic Resection
Interventions
6-month follow-up, 12-month follow-up
Procedure
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
546 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
8
States / cities
Birmingham, Alabama • Aurora, Colorado • Chicago, Illinois + 5 more
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Oct 18, 2026, 7:32 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Adenoma Detection Rate in Water and Air Colonoscopy Using Computer-aided System

NCT05448300
View directory record Official record
Conditions
Colon Adenoma, Colonoscopy
Interventions
Colonoscopy with water exchange or air insufflation methods
Device
Lead sponsor
Dalin Tzu Chi General Hospital
Other
Eligibility
50 Years to 80 Years
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 12, 2022 · Synced Oct 18, 2026, 7:32 AM EDT
Completed No phase listed Observational

Compare Conventional Colonosocpy to Endoscopic AFI, NBI for Dysplasia Detection for Ulcerative Colitis & Cholangitis

NCT00587236
View directory record Official record
Conditions
Colitis, Ulcerative, Cholangitis, Sclerosing
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 75 Years
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 14, 2016 · Synced Oct 18, 2026, 7:32 AM EDT
Completed Not applicable Interventional Results available

Clinical Evaluation of Water Immersion Colonoscopy Insertion Technique

NCT00671177
View directory record Official record
Conditions
Colonoscopy, Digestive System, Endoscopy, Gastrointestinal Disease
Interventions
water immersion colonoscopy, standard air colonoscopy
Procedure
Lead sponsor
VA Palo Alto Health Care System
Federal
Eligibility
18 Years and older · Male only
Enrollment
229 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated May 1, 2017 · Synced Oct 18, 2026, 7:32 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Improving Colonoscopy Surveillance for Patients With High Risk Colon Polyps

NCT06376565
View directory record Official record
Conditions
Colorectal Carcinoma
Interventions
Best Practice, Communication Intervention, Interview
Other
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
21 Years and older
Enrollment
1,680 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 14, 2025 · Synced Oct 18, 2026, 7:32 AM EDT
Active, not recruiting Not applicable Interventional

Comparison of Surgery and Medicine on the Impact of Diverticulitis (COSMID) Trial

NCT04095663
View directory record Official record
Conditions
Diverticulitis
Interventions
Partial Colectomy, Medical Management
Procedure · Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
255 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
29
States / cities
Los Angeles, California • San Diego, California • San Francisco, California + 24 more
Source: ClinicalTrials.gov public record
Updated Feb 19, 2026 · Synced Oct 18, 2026, 7:32 AM EDT
Completed Not applicable Interventional Results available

Translation of Colorectal Cancer Screening Guidelines to Practice: A System Intervention

NCT00122187
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Electronic Consult System
Device
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
Not listed
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
9
States / cities
Phoenix, Arizona • Tucson, Arizona • Denver, Colorado + 6 more
Source: ClinicalTrials.gov public record
Updated Apr 24, 2015 · Synced Oct 18, 2026, 7:32 AM EDT
Completed Not applicable Interventional Results available

Information With or Without Numbers For Optimizing Reasoning About Medical Decisions

NCT02477553
View directory record Official record
Conditions
Colorectal Cancer Screening
Interventions
DA - Quantitative, DA - Verbal
Behavioral
Lead sponsor
Indiana University
Other
Eligibility
50 Years to 75 Years
Enrollment
728 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jul 29, 2019 · Synced Oct 18, 2026, 7:32 AM EDT
Completed Phase 2 Interventional

Safety, Efficacy, and Patient Preference of Split-Dose Crystalline Lactulose as a Preparation for Colonoscopy in Adults

NCT01650870
View directory record Official record
Conditions
Colonoscopy
Interventions
Crystalline Lactulose
Drug
Lead sponsor
Benaroya Research Institute
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 8, 2014 · Synced Oct 18, 2026, 7:32 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Biological, Genetic, and Lifestyle Risk Factors for Developing Colorectal Adenomas or Polyps in Participants Undergoing Colonoscopy

NCT00625066
View directory record Official record
Conditions
Colorectal Cancer, Precancerous Condition
Interventions
biologic sample preservation procedure, cytology specimen collection procedure, medical chart review, questionnaire administration, survey administration, biopsy, evaluation of cancer risk factors, screening colonoscopy
Other · Procedure
Lead sponsor
Vanderbilt University
Other
Eligibility
40 Years to 75 Years
Enrollment
8,108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2025
U.S. locations
4
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 17, 2025 · Synced Oct 18, 2026, 7:32 AM EDT
Withdrawn Not applicable Interventional

Colonic Irrigation for Colonoscopy Preparation

NCT02647229
View directory record Official record
Conditions
Colonoscopy
Interventions
Isosmotic bowel cleansing preparation, Colonic Hyrdrotherapy
Other
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 28, 2016 · Synced Oct 18, 2026, 7:32 AM EDT
Completed Not applicable Interventional

Post-Endoscopic Infection Rate Notifications to Improve the Delivery of Care

NCT03922971
View directory record Official record
Conditions
Infection
Interventions
Option 1: National comparison, Option 2: National comparison with benchmarking
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
Not listed
Enrollment
303 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 23, 2023 · Synced Oct 18, 2026, 7:32 AM EDT
Terminated Not applicable Interventional

Study of Performance of Confocal Endomicroscope With Fluorescein Imaging Agent in the Colon

NCT03220711
View directory record Official record
Conditions
Colonic Dysplasia, Adenomatous Polyps, Irritable Bowel Disease
Interventions
confocal endomicroscope, Fluorescein
Device · Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 100 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 22, 2022 · Synced Oct 18, 2026, 7:32 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Residual Gastric Volume in Same Day Versus Split Dose and Evening Before Bowel Preparation

NCT02264249
View directory record Official record
Conditions
Esophagogastroduodenoscopy, Colonoscopy
Interventions
Esophagogastroduodenoscopy and colonoscopy split dose prep, Esophagogastroduodenoscopy and colonoscopy Evening before colonoscopy prep, Esophagogastroduodenoscopy and colonoscopy Same day prep colonoscopy preparation
Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
449 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Weston, Florida
Source: ClinicalTrials.gov public record
Updated May 17, 2017 · Synced Oct 18, 2026, 7:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Investigation of Cecal Intubation Rates and Pain Levels Between Water Exchange and Air Insufflation Flexible Sigmoidoscopy

NCT03209349
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Water Exchange Sigmoidoscopy, Air Insufflation Sigmoidoscopy
Procedure
Lead sponsor
Kelowna Gastroenterology Associates
Other
Eligibility
50 Years to 74 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
North Hills, California
Source: ClinicalTrials.gov public record
Updated Nov 7, 2022 · Synced Oct 18, 2026, 7:32 AM EDT
Completed Phase 3 Interventional Results available

Safety and Efficacy of Remimazolam in ASA III and IV Patients Undergoing Colonoscopy

NCT02532647
View directory record Official record
Conditions
Colonoscopy
Interventions
Remimazolam, Midazolam, Placebo
Drug
Lead sponsor
Paion UK Ltd.
Industry
Eligibility
18 Years and older
Enrollment
79 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
3
States / cities
Jupiter, Florida • Indianapolis, Indiana • Monroe, Louisiana
Source: ClinicalTrials.gov public record
Updated Sep 30, 2020 · Synced Oct 18, 2026, 7:32 AM EDT
Completed No phase listed Observational Results available

Vitamin D and Screening Colonoscopy or Polyp Surveillance

NCT02269332
View directory record Official record
Conditions
Colon Cancer
Interventions
Screening Colonoscopy
Other
Lead sponsor
Mike O'Callaghan Military Hospital
Federal
Eligibility
18 Years and older
Enrollment
298 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Jan 22, 2024 · Synced Oct 18, 2026, 7:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

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

NCT01372878
View directory record Official record
Conditions
CRC Screening
Interventions
PillCam® COLON 2 procedure, Colonoscopy
Device · Procedure
Lead sponsor
Medtronic - MITG
Industry
Eligibility
50 Years to 75 Years
Enrollment
884 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
11
States / cities
Huntsville, Alabama • Indianapolis, Indiana • Louisville, Kentucky + 8 more
Source: ClinicalTrials.gov public record
Updated Aug 1, 2019 · Synced Oct 18, 2026, 7:32 AM EDT
Completed Phase 2 Interventional Results available

Multiple Dose Safety and Efficacy Study Evaluating CNS 7056 Versus Midazolam in Patients Undergoing Colonoscopy

NCT01145222
View directory record Official record
Conditions
Sedation
Interventions
A. CNS 7056, B. CNS 7056, C. CNS 7056, D. Midazolam
Drug
Lead sponsor
Paion UK Ltd.
Industry
Eligibility
18 Years to 70 Years
Enrollment
162 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
9
States / cities
Sheffield, Alabama • Phoenix, Arizona • Anaheim, California + 5 more
Source: ClinicalTrials.gov public record
Updated Jan 8, 2019 · Synced Oct 18, 2026, 7:32 AM EDT
Completed Not applicable Interventional

Real-time Computer-Aided Detection of Colonic Adenomas With NEC WISE VISION® Endoscopy

NCT05611151
View directory record Official record
Conditions
Colorectal Cancer, Adenoma Colon, Polyp of Colon
Interventions
Computer Aided Detection (CADe)
Diagnostic Test
Lead sponsor
NEC Corporation
Industry
Eligibility
45 Years to 75 Years
Enrollment
830 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 19, 2024 · Synced Oct 18, 2026, 7:32 AM EDT
Completed Phase 3 Interventional

Evaluation of Oral Simethicone With Low Volume Polyethylene Glycol Bowel Preparation During Colonoscopy

NCT03410524
View directory record Official record
Conditions
Colonoscopy
Interventions
Simethicone Solution, Water
Drug
Lead sponsor
University of Nevada, Reno
Other
Eligibility
18 Years to 80 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
2
States / cities
Reno, Nevada
Source: ClinicalTrials.gov public record
Updated Dec 12, 2018 · Synced Oct 18, 2026, 7:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Variability in Microbial Response to Dietary Fiber

NCT06023940
View directory record Official record
Conditions
Microbial Colonization
Interventions
High fiber
Dietary Supplement
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
45 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 24, 2024 · Synced Oct 18, 2026, 7:32 AM EDT
Completed Not applicable Interventional

Short Course, Single-dose PEG 3350 for Colonoscopy Prep in Children

NCT01518790
View directory record Official record
Conditions
Colonoscopy
Interventions
polyethylene glycol 3350
Drug
Lead sponsor
Walter Reed National Military Medical Center
Federal
Eligibility
8 Years to 18 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 10, 2016 · Synced Oct 18, 2026, 7:32 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

A Prospective Randomized Study Comparing the Adenoma Detection Yield of SC, AI and Combined AI and G-EYE®

NCT05317351
View directory record Official record
Conditions
Colorectal (Colon or Rectal) Cancer, Adenoma
Interventions
Standard Colonoscopy, Artificial Intelligence Aided Colonoscopy (GI Genius™), Combined Artificial Intelligence Aided Colonoscopy (GI Genius™) and G-EYE® Balloon Aided Colonoscopy
Device
Lead sponsor
Smart Medical Systems Ltd.
Industry
Eligibility
45 Years and older
Enrollment
2,160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
2
States / cities
Indianapolis, Indiana • New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 7, 2022 · Synced Oct 18, 2026, 7:32 AM EDT