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Showing 1–24 of 28 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: CO2 insufflation Clear all
Recruiting Not applicable Interventional

Short Title: Standard vs. Lower Pressure Pneumoperitoneum

NCT06338865
View directory record Official record
Conditions
Laparoscopic Surgery
Interventions
Carbon dioxide, Bupivacaine, Oxycodone
Other · Drug
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
294 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 9, 2024 · Synced Sep 5, 2026, 4:13 PM 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 Jan 31, 2016 · Synced Sep 5, 2026, 4:13 PM 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 1, 2015 · Synced Sep 5, 2026, 4:13 PM EDT
Active, not recruiting Not applicable Interventional Results available

Fetoscopic NEOX Cord 1K® Spina Bifida Repair

NCT04243889
View directory record Official record
Conditions
Spina Bifida, Myelomeningocele, Myeloschisis
Interventions
NEOX Cord 1K
Device
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2029
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 24, 2026 · Synced Sep 5, 2026, 4:13 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, 4:13 PM EDT
Completed Not applicable Interventional

Transatrial Pericardial Separation to Enhance Safety of Subxiphoid Pericardial Access for Left Atrial Appendage Ligation

NCT06584370
View directory record Official record
Conditions
Atrial Fibrillation, Left Atrial Appendage Ligation, Pericardium, Epicardial Mapping, Heart Atria, Cardiac Surgical Procedures, Cardiac Catheterization, Pneumopericardium, Left Atrial Appendage Occlusion
Interventions
Pericardial insufflation with carbon dioxide through a transatrial microcatheter
Procedure
Lead sponsor
Henry Ford Health System
Other
Eligibility
21 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Sep 3, 2024 · Synced Sep 5, 2026, 4:13 PM 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 12, 2019 · Synced Sep 5, 2026, 4:13 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Comparing eTEP and Laparoscopic Intraperitoneal Onlay Mesh (IPOM) for Ventral Hernias

NCT04150796
View directory record Official record
Conditions
Ventral Hernia, Umbilical Hernia, Epigastric Hernia
Interventions
Ventral Hernia Repair
Procedure
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 3, 2023 · Synced Sep 5, 2026, 4:13 PM 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 23, 2013 · Synced Sep 5, 2026, 4:13 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, 4:13 PM 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 14, 2019 · Synced Sep 5, 2026, 4:13 PM 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 9, 2023 · Synced Sep 5, 2026, 4:13 PM EDT
Completed Not applicable Interventional

U-POEM vs CO2-POEM

NCT06918730
View directory record Official record
Conditions
Esophageal Motility Disorders
Interventions
U-POEM, CO2-POEM
Procedure
Lead sponsor
AdventHealth
Other
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Sep 5, 2026, 4:13 PM EDT
Completed Not applicable Interventional

Oxygen Insufflation To Reduce Postoperative Abscess In Laparoscopic Appendectomy

NCT01531413
View directory record Official record
Conditions
Postoperative Abscess
Interventions
Oxygen Insufflation
Other
Lead sponsor
Chang, Steve S., M.D.
Individual
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
1
States / cities
Santa Barbara, California
Source: ClinicalTrials.gov public record
Updated Feb 12, 2012 · Synced Sep 5, 2026, 4:13 PM EDT
Recruiting Not applicable Interventional

Low Gas Pressure vs Standard Gas Pressure in Robotic Surgery

NCT07710352
View directory record Official record
Conditions
Robotic Surgery, Pneumoperitoneum
Interventions
AirSeal Robotic Solution, Standard-pressure pneumoperitoneum (15 mmHg)
Device · Other
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Sep 5, 2026, 4:13 PM EDT
Completed Not applicable Interventional

Veress Entry With/Without Concomitant CO2

NCT02896036
View directory record Official record
Conditions
Laparoscopy, Laparoscopic Surgery, Insufflation, Gynecologic Surgical Procedures
Interventions
Veress needle entry with concomitant CO2, Veress needle entry with subsequent CO2
Procedure
Lead sponsor
University of South Florida
Other
Eligibility
18 Years to 70 Years · Female only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Mar 29, 2018 · Synced Sep 5, 2026, 4:13 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Water Immersion and Polyp Detection: A Randomized Controlled Trial

NCT03231917
View directory record Official record
Conditions
Adenoma, Colonic Neoplasms
Interventions
Water Infusion first, CO2 Insufflation First
Procedure
Lead sponsor
White River Junction Veterans Affairs Medical Center
Federal
Eligibility
50 Years and older
Enrollment
121 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
2
States / cities
Farmington, Connecticut • Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jul 11, 2019 · Synced Sep 5, 2026, 4:13 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effectiveness and Safety of the Colonoscopy With "Visualization" Balloon

NCT02117232
View directory record Official record
Conditions
Colonic Adenomatous Polyps
Interventions
Visualization balloon, Traditional CO2 insufflation colonoscopy
Device
Lead sponsor
Mercy Medical Center
Other
Eligibility
17 Years to 90 Years
Enrollment
216 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 20, 2018 · Synced Sep 5, 2026, 4:13 PM EDT
Recruiting Not applicable Interventional

Cryopreserved Human Umbilical Cord as a Meningeal Patch in Fetoscopic Spina Bifida Repair

NCT06042140
View directory record Official record
Conditions
Spina Bifida; Fetus, Myelomeningocele, Myeloschisis
Interventions
NEOX Cord 1K applied fetoscopically
Device
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older · Female only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2036
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 12, 2025 · Synced Sep 5, 2026, 4:13 PM 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 22, 2026 · Synced Sep 5, 2026, 4:13 PM 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 18, 2022 · Synced Sep 5, 2026, 4:13 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, 4:13 PM 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 12, 2025 · Synced Sep 5, 2026, 4:13 PM EDT
Withdrawn Not applicable Interventional

Warm and Humidified vs Cold and Dry Carbon Dioxide (CO2) Pneumoperitoneum

NCT03330067
View directory record Official record
Conditions
Pneumoperitoneum
Interventions
Cold and dry CO2 pneumoperitoneum, Warm and humidified CO2 pneumoperitoneum
Device
Lead sponsor
Northwell Health
Other
Eligibility
18 Years to 85 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 26, 2023 · Synced Sep 5, 2026, 4:13 PM EDT