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Showing 1–21 of 21 matching trials from the live ClinicalTrials.gov search.
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Terminated Phase 3 Interventional Accepts healthy volunteers

Comparison of Adenoma Detection Rate Among Water, Carbon Dioxide and Air Methods of Minimal Sedation Colonoscopy

NCT01782014
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 31, 2016 · Synced Sep 5, 2026, 1:15 PM 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 26, 2017 · Synced Sep 5, 2026, 1:15 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Comparative Efficacy of Water & Indigo Carmine vs. Water or Air Method on Adenoma Detection Rate (ADR) - a Randomized Controlled Trial (RCT)

NCT01607255
View directory record Official record
Conditions
Colorectal Neoplasms
Interventions
Indigo carmine, water (exchange) method, water (exchange) plus dye method, air method
Drug · Procedure
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
45 Years to 75 Years
Enrollment
480 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Jan 14, 2019 · Synced Sep 5, 2026, 1:15 PM EDT
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 5, 2026, 1:15 PM 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 12, 2016 · Synced Sep 5, 2026, 1:15 PM 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 30, 2014 · Synced Sep 5, 2026, 1:15 PM EDT
Completed Phase 2 Interventional Results available

Metoclopramide Versus Placebo for GJ Placement

NCT03331965
View directory record Official record
Conditions
Radiation Exposure, Enteral Nutrition
Interventions
Metoclopramide 5 MG/ML Injectable Solution, Saline
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 12, 2020 · Synced Sep 5, 2026, 1:15 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Comparison of on Demand Sedation With Study Method Versus on Demand Sedation With Conventional Method for Performing Colonoscopy for Colorectal Cancer Screening and Surveillance

NCT00920751
View directory record Official record
Conditions
Colorectal Cancer Screening
Interventions
Water infusion, Air insufflation
Procedure
Lead sponsor
East Bay Institute for Research and Education
Other
Eligibility
50 Years to 80 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2009
U.S. locations
1
States / cities
Mather, California
Source: ClinicalTrials.gov public record
Updated Jun 14, 2009 · Synced Sep 5, 2026, 1:15 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 5, 2026, 1:15 PM 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 16, 2013 · Synced Sep 5, 2026, 1:15 PM EDT
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 5, 2022 · Synced Sep 5, 2026, 1:15 PM EDT
Completed Not applicable Interventional

A Comparison of Air Insufflation, Water Immersion and Water Exchange Colonoscopy in CRC Screening

NCT01780818
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
50 Years to 70 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 5, 2026, 1:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Colon Capsule Endoscopy (CCE) Versus Computed Tomographic Colonography (CTC) in the Identification of Colonic Polyps in a Screening Population.

NCT02754661
View directory record Official record
Conditions
Colorectal Cancer Screening
Interventions
COLON Capsule endoscopy, Computed Tomographic Colonography
Device
Lead sponsor
Medtronic - MITG
Industry
Eligibility
50 Years to 75 Years
Enrollment
320 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
13
States / cities
Mobile, Alabama • Jacksonville, Florida • Chicago, Illinois + 8 more
Source: ClinicalTrials.gov public record
Updated Sep 30, 2019 · Synced Sep 5, 2026, 1:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

RCT of Air Insufflation Versus Water Infusion Colonoscopy by Supervised Trainees

NCT00841282
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Colonoscopy for colorectal cancer screening, Water Infusion Colonoscopy, Air insufflation colonoscopy
Procedure
Lead sponsor
East Bay Institute for Research and Education
Other
Eligibility
50 Years to 80 Years
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Mather, California
Source: ClinicalTrials.gov public record
Updated Feb 10, 2009 · Synced Sep 5, 2026, 1:15 PM EDT
Completed Phase 2 Interventional

Preventing Pneumonia and Other Respiratory Problems in Persons With Spinal Cord Injury

NCT00448045
View directory record Official record
Conditions
Spinal Cord Injury
Interventions
Manual and mechanical assisted cough, Incentive spirometry
Behavioral
Lead sponsor
Kessler Foundation
Other
Eligibility
18 Years to 70 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
West Orange, New Jersey
Source: ClinicalTrials.gov public record
Updated Jan 14, 2013 · Synced Sep 5, 2026, 1:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

RCT of Air Insufflation Versus Water Infusion Colonoscopy

NCT00785889
View directory record Official record
Conditions
Colorectal Cancer
Interventions
water infusion colonoscopy
Procedure
Lead sponsor
East Bay Institute for Research and Education
Other
Eligibility
45 Years to 75 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Mather, California
Source: ClinicalTrials.gov public record
Updated Nov 13, 2008 · Synced Sep 5, 2026, 1:15 PM EDT
Completed Not applicable Interventional

Randomized Controlled Trial Comparing Water vs. Air Method for Performing Colonoscopy in Adult Female Subjects

NCT01790425
View directory record Official record
Conditions
Screening for Colon Cancer
Interventions
to infuse water into colon to open the lumen for water infusion colonoscopy, Air colonoscopy
Procedure
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 80 Years · Female only
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Jun 26, 2017 · Synced Sep 5, 2026, 1:15 PM 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 30, 2017 · Synced Sep 5, 2026, 1:15 PM EDT
Completed Not applicable Interventional

Unsedated Colonoscopy for Colorectal Cancer Screening and Surveillance

NCT01383252
View directory record Official record
Conditions
Colon Polyp
Interventions
Water infusion in lieu of air insufflation, Air method
Procedure
Lead sponsor
VA Northern California Health Care System
Federal
Eligibility
50 Years to 75 Years
Enrollment
10 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 16, 2013 · Synced Sep 5, 2026, 1:15 PM 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 11, 2022 · Synced Sep 5, 2026, 1:15 PM EDT
Completed Not applicable Interventional

Impact of Carbon Dioxide Insufflation and Water Exchange on Post-Colonoscopy Outcomes

NCT02409979
View directory record Official record
Conditions
Abdominal Pain
Interventions
Carbon dioxide method, Water Exchange-CO2, Water Exchange-AI
Other
Lead sponsor
Presidio Ospedaliero Santa Barbara
Other
Eligibility
18 Years to 80 Years
Enrollment
246 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 4, 2015 · Synced Sep 5, 2026, 1:15 PM EDT