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ClinicalTrials.gov public records Last synced May 21, 2026, 10:00 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 166 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Carbon Dioxide Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Peripheral Artery Disease
Interventions
Contrast Injection, Dextran Injection, CO2 Injection, Heparinized Normal Saline Injection
Procedure
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 20, 2022 · Synced May 21, 2026, 10:00 PM EDT
Completed Not applicable Interventional
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 May 21, 2026, 10:00 PM EDT
Completed Phase 2 Interventional
View directory record Official record
Conditions
Perennial Allergic Rhinitis
Interventions
Nasal Carbon Dioxide
Drug
Lead sponsor
Capnia, Inc.
Industry
Eligibility
19 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Aug 18, 2010 · Synced May 21, 2026, 10:00 PM EDT
Terminated Not applicable Interventional Results available
View directory record Official record
Conditions
Barrett's Esophagus
Interventions
Polar Wand carbon dioxide cryotherapy
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 98 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated May 14, 2019 · Synced May 21, 2026, 10:00 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Prostate Cancer, Pneumoperitoneum
Interventions
AirSeal System, Standard Endopath
Device
Lead sponsor
OhioHealth
Other
Eligibility
18 Years and older · Male only
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 25, 2021 · Synced May 21, 2026, 10:00 PM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Epilepsy, SUDEP
Interventions
Fluoxetine, Placebo
Drug
Lead sponsor
Rup Kamal Sainju
Other
Eligibility
18 Years to 75 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
2
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated May 3, 2020 · Synced May 21, 2026, 10:00 PM EDT
Withdrawn Not applicable Interventional
View directory record Official record
Conditions
Skin Scarring
Interventions
CO2 Laser Administration
Other
Lead sponsor
NYU Langone Health
Other
Eligibility
21 Years to 80 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 5, 2020 · Synced May 21, 2026, 10:00 PM EDT
Completed Not applicable Interventional
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 May 21, 2026, 10:00 PM EDT
Completed Phase 4 Interventional Results available
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 May 21, 2026, 10:00 PM EDT
Completed Phase 3 Interventional
View directory record Official record
Conditions
Surgical Wound Infection, Surgery, Colon
Interventions
Mild intraoperative hypercapnia (50 mmHg vs. 30 mmHg), Supplemental oxygen (80% vs. 30%), Dexamethasone, Placebo
Other · Drug
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 80 Years
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2007
U.S. locations
2
States / cities
Louisville, Kentucky • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 28, 2016 · Synced May 21, 2026, 10:00 PM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Carbon Dioxide, Endovascular Abdominal Aortic Aneurym Repair, Prospective, Angiogram
Interventions
Carbon dioxide angiogram
Procedure
Lead sponsor
University of Southern California
Other
Eligibility
Not listed
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 16, 2017 · Synced May 21, 2026, 10:00 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Urinary Tract Infections
Interventions
Mona Lisa Touch, Conjugated estrogen, Estradiol
Device · Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Mar 25, 2024 · Synced May 21, 2026, 10:00 PM EDT
Not listed Early Phase 1 Interventional
View directory record Official record
Conditions
Pulmonary Alveolar Proteinosis, COPD, Idiopathic Pulmonary Fibrosis, Viral Pneumonia, Coronavirus Infection, Interstitial Lung Disease
Interventions
Microcannula Harvest Adipose Derived tissue stromal vascular fraction (tSVF), Centricyte 1000, IV Deployment Of cSVF In Sterile Normal Saline IV Solution, Liberase Enzyme (Roche), Sterile Normal Saline for Intravenous Use
Procedure · Device · Drug
Lead sponsor
Black Tie Medical, Inc.
Industry
Eligibility
18 Years to 90 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Stevensville, Montana
Source: ClinicalTrials.gov public record
Updated Feb 21, 2023 · Synced May 21, 2026, 10:00 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Vulvovaginal Atrophy
Interventions
CO2 Laser Treatment
Device
Lead sponsor
SHERRY Thomas
Other
Eligibility
40 Years to 80 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Agoura Hills, California
Source: ClinicalTrials.gov public record
Updated Mar 22, 2018 · Synced May 21, 2026, 10:00 PM EDT
Terminated No phase listed Observational
View directory record Official record
Conditions
Panic Disorder
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
9 Years to 20 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2019
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 13, 2019 · Synced May 21, 2026, 10:00 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Burns, Hypertrophic Scar
Interventions
Luminis ultrapulse fractional ablative carbon dioxide laser, 0.5mm punch biopsy
Procedure
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 12, 2026 · Synced May 21, 2026, 10:00 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers
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 May 21, 2026, 10:00 PM EDT
Active, not recruiting Not applicable Interventional
View directory record Official record
Conditions
Overweight
Interventions
CO2, Sham
Procedure
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 60 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 29, 2025 · Synced May 21, 2026, 10:00 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Idiopathic Intracranial Hypertension
Interventions
Venous Sinus Stenting, Adjustment to end-tidal carbon dioxide concentrations ( 38-40 mmHg range), Adjustment to Mean Arterial Pressure (100-110 mmHg range), Adjustment to Mean Arterial Pressure (60-80 mmHg range), Adjustment to end-tidal carbon dioxide concentrations (24-26 mmHg range)
Procedure · Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated May 11, 2020 · Synced May 21, 2026, 10:00 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Laryngeal Diseases
Interventions
CO2 laser
Device
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 88 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 23, 2024 · Synced May 21, 2026, 10:00 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Panic Disorder
Interventions
Canary Breathing System
Device
Lead sponsor
Palo Alto Health Sciences, Inc.
Industry
Eligibility
18 Years to 60 Years
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
4
States / cities
Oakland, California • Hartford, Connecticut • Hoffman Estates, Illinois + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 5, 2018 · Synced May 21, 2026, 10:00 PM EDT
Withdrawn Not applicable Interventional
View directory record Official record
Conditions
Low Tidal Volume Ventilation, Acute Respiratory Distress Syndrome
Interventions
HLR, EHR
Other
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 99 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 26, 2017 · Synced May 21, 2026, 10:00 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Panic Disorder, Healthy
Interventions
[18F] SPA-RQ
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 65 Years
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2008
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced May 21, 2026, 10:00 PM EDT
Active, not recruiting Not applicable Interventional
View directory record Official record
Conditions
Neonatal Resuscitation, Neonatal Disease
Interventions
Pedi-Cap
Device
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
30 Weeks and older
Enrollment
632 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 1, 2026 · Synced May 21, 2026, 10:00 PM EDT