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ClinicalTrials.gov public records Last synced Oct 21, 2026, 2:43 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
Completed No phase listed Observational

Echo Detection of Endoscopic Retrograde Cholangiopancreatography (ERCP) Air Embolus

NCT01535248
View directory record Official record
Conditions
Air Embolism as A Complication of Medical Care
Interventions
Transthoracic Echocardiography
Other
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Sep 6, 2023 · Synced Oct 21, 2026, 2:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

THRIVE Use in Pediatric Populations- Multi Site

NCT04322994
View directory record Official record
Conditions
Oxygen Deficiency, Desaturation of Blood, Hypoventilation, Anesthesia; Adverse Effect
Interventions
Transnasal Humidified Rapid-Insufflation Ventilatory Echange
Device
Lead sponsor
Stanford University
Other
Eligibility
Up to 18 Years
Enrollment
175 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
5
States / cities
Palo Alto, California • Chicago, Illinois • Boston, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 27, 2025 · Synced Oct 21, 2026, 2:43 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 21, 2026, 2:43 AM EDT
Withdrawn Not applicable Interventional

Transoral Gastric Volume Reduction as an Intervention for Weight Management

NCT02578836
View directory record Official record
Conditions
Obesity, Overweight, Weight Loss
Interventions
Fogel Gastroplasty
Procedure
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 60 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Aug 31, 2017 · Synced Oct 21, 2026, 2:43 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 21, 2026, 2:43 AM EDT
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 Feb 1, 2016 · Synced Oct 21, 2026, 2:43 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 21, 2026, 2:43 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 21, 2026, 2:43 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 21, 2026, 2:43 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 21, 2026, 2:43 AM EDT
Completed No phase listed Observational

Trans Nasal Insufflation for the Treatment of Snoring

NCT00832026
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Trans Nasal Insufflation (TNI) [nasal canula]
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 12, 2023 · Synced Oct 21, 2026, 2:43 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 21, 2026, 2:43 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 21, 2026, 2:43 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 21, 2026, 2:43 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 21, 2026, 2:43 AM EDT
Completed Not applicable Interventional Results available

Is End Tidal CO2 Level Elevation During Upper Endoscopy With CO2 Gas Insufflation Physiologically Significant

NCT04541667
View directory record Official record
Conditions
Endoscopy
Interventions
Air, Carbon Dioxide
Other
Lead sponsor
University of Nebraska
Other
Eligibility
6 Months to 19 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Oct 10, 2023 · Synced Oct 21, 2026, 2:43 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 21, 2026, 2:43 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 21, 2026, 2:43 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 21, 2026, 2:43 AM EDT
Recruiting Not applicable Interventional

Lexion AP 50/30 Warmed Humidified Real Time CO2 Insufflation vs Airseal Recirculated CO2/Air Insufflation in Minimally Invasive Bariatric (Gastric Bypass) Surgery

NCT05838300
View directory record Official record
Conditions
Bariatric Surgery
Interventions
Warm humidified CO2, Dry CO2
Device
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 65 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 13, 2025 · Synced Oct 21, 2026, 2:43 AM 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 May 1, 2024 · Synced Oct 21, 2026, 2:43 AM EDT
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 21, 2026, 2:43 AM 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 11, 2009 · Synced Oct 21, 2026, 2:43 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 21, 2026, 2:43 AM EDT