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ClinicalTrials.gov public records Last synced Oct 21, 2026, 5:10 AM EDT

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Showing 169–187 of 187 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Standard Colonoscopy Clear all
Completed Not applicable Interventional

Comparison of Methods to Distend the Colon During Insertion: CO2, Air Insufflation, Water-aided Colonoscopy

NCT01954862
View directory record Official record
Conditions
Pain, Colorectal Adenomas, Colorectal Cancer
Interventions
Air Insufflation method., CO2 insufflation, Water Immersion/CO2, Water Exchange/CO2, Water Immersion/AI, Water Exchange/AI
Other
Lead sponsor
Presidio Ospedaliero Santa Barbara
Other
Eligibility
18 Years to 85 Years
Enrollment
624 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 31, 2014 · Synced Oct 21, 2026, 5:10 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 21, 2026, 5:10 AM EDT
Completed Early Phase 1 Interventional

Chemopreventive Effects of Epigallocatechin Gallate (EGCG) in Colorectal Cancer (CRC) Patients

NCT02891538
View directory record Official record
Conditions
Colon Cancer
Interventions
Epigallocatechin gallate (EGCG)
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jun 30, 2026 · Synced Oct 21, 2026, 5:10 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Patient Satisfaction With Propofol for Out Patient Colonoscopy

NCT02937506
View directory record Official record
Conditions
Colon Cancer, IBS, Polyps
Interventions
Propofol, Fentanyl Plus Midazolam
Drug
Lead sponsor
Mount Carmel Health System
Other
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 26, 2017 · Synced Oct 21, 2026, 5:10 AM EDT
Completed Not applicable Interventional

Computerized Tomographic Colonography Compared With Standard Diagnostic Procedures in Detecting Colorectal Neoplasia

NCT00005809
View directory record Official record
Conditions
Colorectal Cancer
Interventions
computed tomography, diagnostic colonoscopy
Procedure
Lead sponsor
American College of Radiology Imaging Network
Network
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2003
U.S. locations
11
States / cities
Birmingham, Alabama • Los Angeles, California • San Francisco, California + 8 more
Source: ClinicalTrials.gov public record
Updated Feb 4, 2013 · Synced Oct 21, 2026, 5:10 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effect of Simethicone on Screening Colonoscopy

NCT03119168
View directory record Official record
Conditions
Adenoma Colon
Interventions
Simethicone Solution, Polyethylenglycol
Drug · Other
Lead sponsor
Texas Tech University Health Sciences Center, El Paso
Other
Eligibility
30 Years to 80 Years
Enrollment
268 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
El Paso, Texas
Source: ClinicalTrials.gov public record
Updated Jun 5, 2019 · Synced Oct 21, 2026, 5:10 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Clinical Evaluation of Narrow Band Imaging Colonoscope

NCT00628147
View directory record Official record
Conditions
Colonic Neoplasms
Interventions
Narrow band imaging colonoscope
Device
Lead sponsor
VA Palo Alto Health Care System
Federal
Eligibility
18 Years and older
Enrollment
284 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Mar 8, 2017 · Synced Oct 21, 2026, 5:10 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Impact of AI on Trainee ADR

NCT05423964
View directory record Official record
Conditions
Adenoma, Adenoma Colon, Colorectal Cancer
Interventions
AI use in Endoscopy Room, Non-AI use Standard of Care endoscopy room
Diagnostic Test · Other
Lead sponsor
University of Southern California
Other
Eligibility
Not listed
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 6, 2023 · Synced Oct 21, 2026, 5:10 AM 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 21, 2026, 5:10 AM 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 12, 2019 · Synced Oct 21, 2026, 5:10 AM EDT
Terminated Not applicable Interventional Results available

Evaluate the Safety and Diagnostic Advantages of Tilt Down Verses Standard Horizontal Colonoscopy Positioning

NCT01815671
View directory record Official record
Conditions
Diverticulosis
Interventions
colonoscopy in the lateral horizontal position
Procedure
Lead sponsor
Specialists in Gastroenterology, LLC
Other
Eligibility
18 Years to 90 Years · Female only
Enrollment
173 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Feb 5, 2014 · Synced Oct 21, 2026, 5:10 AM EDT
Completed No phase listed Observational

The Role of the Pregnane X Receptor (PXR) in Indole Signaling and Intestinal Permeability in Inflammatory Bowel Disease

NCT04089501
View directory record Official record
Conditions
Inflammatory Bowel Diseases
Interventions
Stool collection, Biopsy collection
Diagnostic Test
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
Up to 65 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Sep 16, 2019 · Synced Oct 21, 2026, 5:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Predicting Adenomatous Polyps in the Colon Using Images of a Human Tongue

NCT06305364
View directory record Official record
Conditions
Colorectal Neoplasms, Gastrointestinal Microbiome
Interventions
Gixam
Device
Lead sponsor
Jubaan Ltd.
Industry
Eligibility
18 Years to 75 Years
Enrollment
426 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
3
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 20, 2025 · Synced Oct 21, 2026, 5:10 AM EDT
Completed Not applicable Interventional

Water-aided Colonoscopy vs Air Insufflation Colonoscopy in Colorectal Cancer Screening

NCT02041507
View directory record Official record
Conditions
Colorectal Cancer, Colorectal Adenomas, Colorectal Polyps, Pain
Interventions
Air insufflation method., Water Immersion method., Water Exchange method.
Other
Lead sponsor
Presidio Ospedaliero Santa Barbara
Other
Eligibility
50 Years to 70 Years
Enrollment
1,224 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 13, 2016 · Synced Oct 21, 2026, 5:10 AM EDT
Completed Not applicable Interventional Results available

Comparing Early Capsule Deployment to Current Standard of Care for Management of Gastrointestinal Bleeding

NCT02442830
View directory record Official record
Conditions
Melena, Gastrointestinal Hemorrhage
Interventions
Early Video Capsule Endoscopy
Device
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years and older
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 7, 2018 · Synced Oct 21, 2026, 5:10 AM EDT
Terminated No phase listed Observational

Colorectal Lesion Evaluation and Appropriate Resolution (CLEAR) Study

NCT07479381
View directory record Official record
Conditions
Colorectal Cancer (Diagnosis)
Interventions
Not listed
Lead sponsor
Harbinger Health
Industry
Eligibility
45 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 9, 2026 · Synced Oct 21, 2026, 5:10 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 21, 2026, 5:10 AM EDT
Active, not recruiting Not applicable Interventional

Blood Flow Monitoring to Prevent Post-Polypectomy Induced Ulcer Bleeding

NCT02875353
View directory record Official record
Conditions
Delayed Post-Polypectomy Induced Ulcer Hemorrhage
Interventions
Doppler Endoscopic Probe
Device
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
35 Years and older
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2026
U.S. locations
3
States / cities
Downey, California • Los Angeles, California • West Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 17, 2026 · Synced Oct 21, 2026, 5:10 AM EDT
Recruiting Not applicable Interventional

A Pilot Study Examining Low Sulfur Diet as Treatment for Persistent Symptoms in Quiescent Crohn's Disease

NCT05849012
View directory record Official record
Conditions
Crohn's Disease in Remission
Interventions
Low Sulfur Diet, Usual Diet
Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 15, 2026 · Synced Oct 21, 2026, 5:10 AM EDT