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ClinicalTrials.gov public records Last synced Oct 23, 2026, 12:35 AM EDT

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Showing 1–24 of 46 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Air insufflation Clear all
Not listed No phase listed Observational Accepts healthy volunteers

Comparison Air Versus Carbon Dioxide Insufflation in Single Balloon Anterograde Enteroscopy

NCT03811522
View directory record Official record
Conditions
Carbon Dioxide Insufflation, Anterograde Single Balloon Enteroscopy
Interventions
carbon dioxide insufflation, Air insufflation
Other
Lead sponsor
North Eastern Ohio Gastroenterology and Endoscopy center
Other
Eligibility
18 Years to 90 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Warren, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 15, 2019 · Synced Oct 23, 2026, 12:35 AM 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 17, 2013 · Synced Oct 23, 2026, 12:35 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 23, 2026, 12:35 AM 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 15, 2019 · Synced Oct 23, 2026, 12:35 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Stomach Intestinal Pylorus-Sparing Bariatric Surgery

NCT05094830
View directory record Official record
Conditions
Obesity
Interventions
Stomach Intestinal Pylorus-Sparing (SIPS) Procedure
Procedure
Lead sponsor
Bradley Needleman
Other
Eligibility
18 Years to 89 Years
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 27, 2025 · Synced Oct 23, 2026, 12:35 AM EDT
Completed Not applicable Interventional

Comparing the Adenoma Detection Rate With Air Insufflation, Water Immersion and Water Exchange

NCT01894191
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
651 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
North Hills, California
Source: ClinicalTrials.gov public record
Updated Jun 28, 2016 · Synced Oct 23, 2026, 12:35 AM 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 15, 2014 · Synced Oct 23, 2026, 12:35 AM EDT
Completed Phase 4 Interventional Results available

Safety and Efficacy of CO2 for Endoscopy

NCT03287687
View directory record Official record
Conditions
Endoscopy, Insufflation
Interventions
Carbon dioxide (CO2) gas insufflation, Air insufflation
Drug
Lead sponsor
Warren Bishop
Other
Eligibility
6 Months to 21 Years
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jan 19, 2022 · Synced Oct 23, 2026, 12:35 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Laryngeal Mask Airway (LMA) Unique and the Air-Q Intubating Laryngeal Airway (ILA) in Pediatric Patients

NCT01314248
View directory record Official record
Conditions
Children
Interventions
each child will receive both the LMA and ILA
Device
Lead sponsor
Ann & Robert H Lurie Children's Hospital of Chicago
Other
Eligibility
6 Months to 36 Months
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 30, 2013 · Synced Oct 23, 2026, 12:35 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Point of Care Ultrasound for Diagnosis of Abdominal Free Air

NCT03719872
View directory record Official record
Conditions
Free Air in Abdomen
Interventions
Pre-Operative Transabdominal Ultrasound, Post-Operative Transabdominal Ultrasound
Diagnostic Test
Lead sponsor
David Blehar
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 6, 2019 · Synced Oct 23, 2026, 12:35 AM 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 Oct 1, 2019 · Synced Oct 23, 2026, 12:35 AM 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 27, 2017 · Synced Oct 23, 2026, 12:35 AM EDT
Completed Not applicable Interventional

A Randomized Controlled Trial (RCT) of Carbon Dioxide Versus Air Insufflation During Endoscopic Retrograde Cholangiopancreatography (ERCP)

NCT00685386
View directory record Official record
Conditions
Cholestasis
Interventions
CO2 insufflation, Room air insufflation
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 24, 2013 · Synced Oct 23, 2026, 12:35 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 23, 2026, 12:35 AM EDT
Completed Not applicable Interventional

Abortive Effect of an Ear Insufflator on Migraine

NCT02614378
View directory record Official record
Conditions
Migraine
Interventions
air insufflation, placebo
Procedure
Lead sponsor
Carrick Institute for Graduate Studies
Other
Eligibility
18 Years to 70 Years
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
2
States / cities
Phoenix, Arizona • Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Dec 14, 2016 · Synced Oct 23, 2026, 12:35 AM 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 13, 2020 · Synced Oct 23, 2026, 12:35 AM 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 14, 2008 · Synced Oct 23, 2026, 12:35 AM 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 5, 2015 · Synced Oct 23, 2026, 12:35 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 23, 2026, 12:35 AM EDT
Completed Not applicable Interventional

A Trial of Supplemental CO2 Versus Room Air in Percutaneous Endoscopic Gastrostomy

NCT02619656
View directory record Official record
Conditions
Pneumoperitoneum
Interventions
CO2 insufflation, Ambient air insufflation
Procedure
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Dec 2, 2015 · Synced Oct 23, 2026, 12:35 AM 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 15, 2013 · Synced Oct 23, 2026, 12:35 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 23, 2026, 12:35 AM EDT
Recruiting Not applicable Interventional

Safety and Efficacy of Carbon Dioxide Gas for Endoscopy

NCT06134154
View directory record Official record
Conditions
Abdominal Pain
Interventions
Endoscopic insufflation gas
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
6 Months to 18 Years
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jan 23, 2026 · Synced Oct 23, 2026, 12:35 AM EDT
Completed Not applicable Interventional

Carbon Dioxide Insufflation Versus Conventional Air Insufflation

NCT02790359
View directory record Official record
Conditions
Abdominal Pain
Interventions
Air, Carbon dioxide
Other
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
8 Years to 21 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 13, 2019 · Synced Oct 23, 2026, 12:35 AM EDT