Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 1, 2026, 1:44 PM EDT

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Showing 1–24 of 36 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
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
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
Completed Not applicable Interventional Accepts healthy volunteers Results available

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

NCT01955122
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
Not listed Not applicable Interventional Accepts healthy volunteers

Impact of AI on Trainee ADR

NCT05423964
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
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
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
Terminated Not applicable Interventional Accepts healthy volunteers Results available

The Utility of Cap Colonoscopy in Increasing Adenoma Detection Rate

NCT01601431
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
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effect of Simethicone on Screening Colonoscopy

NCT03119168
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
Conditions
Adenoma and/or Adenocarcinoma, Adenoma
Interventions
3-minute withdrawal time, 6-minute withdrawal time
Procedure
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
2
States / cities
Palo Alto, California
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
Conditions
Screening Colonoscopy, Surveillance Colonoscopy
Interventions
Screening or Surveillance Conventionall colonoscopy
Procedure
Lead sponsor
Magentiq Eye LTD
Industry
Eligibility
18 Years to 90 Years
Enrollment
952 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
4
States / cities
Baltimore, Maryland • New York, New York • Cleveland, Ohio + 1 more
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
Completed Not applicable Interventional Accepts healthy volunteers

Endoscopic Quality Improvement Program

NCT01415817
Conditions
Adenomatous Polyps, Colorectal Polyps
Interventions
Training session
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Jacksonville, Florida
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
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
Completed Not applicable Interventional Accepts healthy volunteers

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

NCT04708951
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
Conditions
Colorectal Adenoma, Colorectal Polyp, Colorectal Adenocarcinoma, Colorectal SSA
Interventions
Ultivision Artificial Intelligence Software, No Artificial Intelligence Software enhancement
Device
Lead sponsor
Docbot, Inc.
Industry
Eligibility
45 Years to 75 Years
Enrollment
978 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
9
States / cities
Birmingham, Alabama • San Diego, California • Kansas City, Kansas + 6 more
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
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
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
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
Completed No phase listed Observational Accepts healthy volunteers

Endoscopic Size Assessment of Advanced Adenomatous Polyps

NCT02193646
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
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
Conditions
Screening Colonoscopy
Interventions
colonoscopy
Procedure
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years to 80 Years
Enrollment
450 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Loma Linda, California