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ClinicalTrials.gov public records Last synced Oct 19, 2026, 4:24 AM EDT

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Showing 1–24 of 36 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Adenoma Detection Rate Clear all
Not listed Not applicable Interventional Accepts healthy volunteers

Does the Cap Increase the Finding of Polyps When Water Exchange Colonoscopy is Used

NCT03566615
View directory record Official record
Conditions
Colonoscopy, Polyp of Colon
Interventions
CAP-straight, CAP-daisy, water
Device · Other
Lead sponsor
VA Greater Los Angeles Healthcare System
Federal
Eligibility
50 Years to 75 Years
Enrollment
1,630 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
2
States / cities
Mather, California • Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Oct 6, 2022 · Synced Oct 19, 2026, 4:24 AM EDT
Completed Not applicable Interventional

Prospective Randomized Controlled Trial Comparing Water and Air Colonoscopy in a Community Based Setting

NCT01729416
View directory record Official record
Conditions
Tubular Adenoma, Colon Cancer, Hyperplastic Polyp
Interventions
Water Exchange Colonoscopy, Air Colonoscopy
Other
Lead sponsor
University of California, Davis
Other
Eligibility
50 Years and older
Enrollment
178 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Elk Grove, California
Source: ClinicalTrials.gov public record
Updated May 31, 2017 · Synced Oct 19, 2026, 4:24 AM EDT
Completed Not applicable Interventional

Ambient Lighting During Colonoscopy and Its Effect on Adenoma Detection Rate and Eye Fatigue

NCT04441242
View directory record Official record
Conditions
Colorectal Cancer Screening, Colon Adenomatous Polyp
Interventions
Ambient lighting, Low lighting
Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
1,109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Park Ridge, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 4, 2024 · Synced Oct 19, 2026, 4:24 AM 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 18, 2020 · Synced Oct 19, 2026, 4:24 AM EDT
Terminated No phase listed Observational

The Utility of Time Segmental Withdrawal During Screening Colonoscopy for Increasing Adenoma Detection Rate.

NCT02538406
View directory record Official record
Conditions
Adenomatous Polyp of Colon
Interventions
Segmental withdrawal
Other
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years to 80 Years
Enrollment
232 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 28, 2020 · Synced Oct 19, 2026, 4:24 AM EDT
Completed Not applicable Interventional

Computer Aided Detection of Polyps in Colonoscopy

NCT04754347
View directory record Official record
Conditions
Colorectal Polyp
Interventions
Computer Aided Detection device
Device
Lead sponsor
Iterative Scopes, Inc
Industry
Eligibility
40 Years and older
Enrollment
1,472 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
5
States / cities
Boston, Massachusetts • Cambridge, Massachusetts • Plymouth, Minnesota + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 1, 2021 · Synced Oct 19, 2026, 4:24 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Comparison of Adenoma Detection Rate With ENDOCUFF VISION® vs. G-EYE®

NCT04708951
View directory record Official record
Conditions
Adenoma, Colorectal Cancer
Interventions
ENDOCUFF VISION® device, G-EYE® colonoscope
Device
Lead sponsor
Dr. Horst Schmidt Klinik GmbH
Industry
Eligibility
Not listed
Enrollment
970 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
2
States / cities
Indianapolis, Indiana • New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 22, 2021 · Synced Oct 19, 2026, 4:24 AM EDT
Completed Not applicable Interventional

Combined Chromoendoscopy and Water Method for Screening Colonoscopy

NCT01383265
View directory record Official record
Conditions
Colon Polyp
Interventions
Water method and chromoendoscopy, Water method
Procedure
Lead sponsor
VA Northern California Health Care System
Federal
Eligibility
50 Years to 75 Years
Enrollment
1,177 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 19, 2026, 4:24 AM EDT
Completed Not applicable Interventional

Impact of Artificial Intelligence on Trainee Polyp Miss Rates

NCT06676930
View directory record Official record
Conditions
Colon Polyps, Colonoscopy, Artificial Intelligence (AI)
Interventions
Colonoscopy With Computer-Aided Detection, Colonoscopy without Computer-Aided Detection
Device · Procedure
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 28, 2026 · Synced Oct 19, 2026, 4:24 AM EDT
Completed Not applicable Interventional

The Utility of Timed Segmental Withdrawal During Screening Colonoscopy

NCT02132455
View directory record Official record
Conditions
Colonoscopy
Interventions
colonoscopy
Procedure
Lead sponsor
Texas Tech University Health Sciences Center, El Paso
Other
Eligibility
18 Years to 80 Years
Enrollment
326 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
El Paso, Texas
Source: ClinicalTrials.gov public record
Updated May 12, 2017 · Synced Oct 19, 2026, 4:24 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 19, 2026, 4:24 AM EDT
Completed Not applicable Interventional

Comparing the ADR With Air Insufflation, Water Immersion and Water Exchange During Two-endoscopist Colonoscopy

NCT02737514
View directory record Official record
Conditions
Adenoma
Interventions
Air insufflation, water immersion, water exchange
Procedure
Lead sponsor
Dalin Tzu Chi General Hospital
Other
Eligibility
20 Years to 80 Years
Enrollment
371 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
North Hills, California
Source: ClinicalTrials.gov public record
Updated May 29, 2020 · Synced Oct 19, 2026, 4:24 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Comparing Clinical Performance of Novice Trainee Endoscopists Using Conventional Air Insufflation Versus Warm Water Infusion Colonoscopy

NCT01482546
View directory record Official record
Conditions
Colonoscopy Education
Interventions
Not listed
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Jun 27, 2017 · Synced Oct 19, 2026, 4:24 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Endoscopic Size Assessment of Advanced Adenomatous Polyps

NCT02193646
View directory record Official record
Conditions
Adenoma Detection Rate Improvement in Screening Colonoscopy
Interventions
Not listed
Lead sponsor
Rush University Medical Center
Other
Eligibility
40 Years to 80 Years
Enrollment
1,930 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 22, 2025 · Synced Oct 19, 2026, 4:24 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

The Utility of Cap Colonoscopy in Increasing Adenoma Detection Rate

NCT01601431
View directory record Official record
Conditions
Adenoma
Interventions
Cap Assisted Colonoscopy, Conventional colonoscopy
Device
Lead sponsor
Texas Tech University Health Sciences Center, El Paso
Other
Eligibility
18 Years to 80 Years
Enrollment
440 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
El Paso, Texas
Source: ClinicalTrials.gov public record
Updated Jun 7, 2018 · Synced Oct 19, 2026, 4:24 AM 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 19, 2026, 4:24 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Prospective Trial to Compare the Clinical Efficiency of G-EYE™ HD Colonoscopy With Standard HD Colonoscopy

NCT01917513
View directory record Official record
Conditions
Adenoma, Polyps, Colorectal Cancer
Interventions
G-EYE™ colonoscopy, Standard Colonoscopy
Device
Lead sponsor
Smart Medical Systems Ltd.
Industry
Eligibility
50 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
2
States / cities
Boston, Massachusetts • New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 23, 2018 · Synced Oct 19, 2026, 4:24 AM EDT
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 19, 2026, 4:24 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 19, 2026, 4:24 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 19, 2026, 4:24 AM 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 15, 2014 · Synced Oct 19, 2026, 4:24 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Impact of Active Nurse Participation on Adenoma Detection During Routine Colonoscopy

NCT00859625
View directory record Official record
Conditions
Adenoma
Interventions
nurse observation during colonoscope withdrawal
Procedure
Lead sponsor
Yale University
Other
Eligibility
30 Years and older
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2015
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 22, 2015 · Synced Oct 19, 2026, 4:24 AM EDT
Completed No phase listed Observational

Can Overall Adenoma Detection Rate Replace Screening Adenoma Detection Rate ? Multicenter Study

NCT05125939
View directory record Official record
Conditions
Adenoma Detection Rate, Colonoscopy
Interventions
Comparison of ADR
Other
Lead sponsor
Evergreen General Hospital, Taiwan
Other
Eligibility
50 Years to 80 Years
Enrollment
2,707 participants
Timeline
2021 – 2026
U.S. locations
1
States / cities
North Hills, California
Source: ClinicalTrials.gov public record
Updated Sep 11, 2026 · Synced Oct 19, 2026, 4:24 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Use of Accessory Device AmplifEYE During Average Risk Screening Colonoscopy to Increase Adenoma Detection Rate

NCT02885987
View directory record Official record
Conditions
Colonic Polyps
Interventions
AmplifEYE
Device
Lead sponsor
Loma Linda University
Other
Eligibility
50 Years to 80 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Oct 20, 2020 · Synced Oct 19, 2026, 4:24 AM EDT