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Showing 25–48 of 24 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

Optical Imaging Measurement of Intravascular Solution Efficacy Trial

NCT01743872
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 Jul 22, 2026, 4:00 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 Jul 22, 2026, 4:00 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Fractional Handpiece With CO2 Laser: Fractional Ablative Laser Treatment of Vulvovaginal Atrophy

NCT03271944
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 Jul 22, 2026, 4:00 PM EDT
Terminated Not applicable Interventional Results available

Polar Wand Carbon Dioxide Cryotherapy for Barrett's Esophagus

NCT01477177
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 Jul 22, 2026, 4:00 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 Jul 22, 2026, 4:00 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

End Tidal CO2 and Masks: Is There a Correlation?

NCT06437301
View directory record Official record
Conditions
Hypercapnia
Interventions
Baseline measure of ETCO2 without mask, Baseline ETCO2 with mask, ETCO2 after 200 meter walk with mask, ETCO2 after 200 meter walk without mask
Other
Lead sponsor
CHRISTUS Health
Other
Eligibility
18 Years to 75 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Corpus Christi, Texas
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Jul 22, 2026, 4:00 PM EDT
Not listed Early Phase 1 Interventional

Use of cSVF Via IV Deployment for Residual Lung Damage After Symptomatic COVID-19 Infection

NCT04326036
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 Jul 22, 2026, 4:00 PM EDT
Terminated Not applicable Interventional

CPAP vs.Unsynchronized NIPPV at Equal Mean Airway Pressure

NCT03670732
View directory record Official record
Conditions
Prematurity, Respiratory Distress Syndrome, Apnea of Prematurity
Interventions
continuous positive airway pressure, nasal intermittent positive pressure ventilation
Other
Lead sponsor
Women and Infants Hospital of Rhode Island
Other
Eligibility
Up to 6 Months
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jul 29, 2024 · Synced Jul 22, 2026, 4:00 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 Jul 22, 2026, 4:00 PM EDT
Not listed Not applicable Interventional

Correlation of CO2 Measured by Blood Gas vs Transcutaneous Monitor

NCT03268395
View directory record Official record
Conditions
Respiratory Complication
Interventions
Arterial Blood Gas and Transcutaneous CO2 Monitor
Diagnostic Test
Lead sponsor
Memorial Health University Medical Center
Other
Eligibility
Not listed
Enrollment
266 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Savannah, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 30, 2017 · Synced Jul 22, 2026, 4:00 PM EDT
Completed No phase listed Observational

Intra Ocular Pressure During Robotic Prostatectomy

NCT00369057
View directory record Official record
Conditions
Visual Acuity, Visual Disturbance, Intraocular Pressure
Interventions
Not listed
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older · Male only
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 7, 2012 · Synced Jul 22, 2026, 4:00 PM EDT
Completed Not applicable Interventional

The Effects of MAP and EtCO2 on Venous Sinus Pressures

NCT03867461
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 Jul 22, 2026, 4:00 PM EDT
Withdrawn Not applicable Interventional

A Single-Blind, Randomized Study to Compare fCO2 Laser Therapy Versus Sham for Treatment of SUI in Women

NCT04253067
View directory record Official record
Conditions
Stress Urinary Incontinence, Urinary Incontinence
Interventions
Active fCO2 laser treatment, Sham fCO2 laser treatment
Device
Lead sponsor
Corewell Health East
Other
Eligibility
18 Years to 75 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Royal Oak, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 16, 2020 · Synced Jul 22, 2026, 4:00 PM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Central Sleep Apnea : Physiologic Mechanisms to Inform Treatment

NCT04118387
View directory record Official record
Conditions
Sleep Disordered Breathing, Able Bodied
Interventions
Acetazolamide + supplemental oxygen + PAP therapy, Zolpidem + PAP therapy, Buspirone + PAP therapy
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 19, 2026 · Synced Jul 22, 2026, 4:00 PM EDT
Not yet recruiting Not applicable Interventional

Intraoperative CO₂ (Carbon Dioxide)

NCT07592468
View directory record Official record
Conditions
Wound Edges
Interventions
CO2 Fractionated Laser, Non CO2 Laser Treatment
Device · Procedure
Lead sponsor
Baylor Research Institute
Other
Eligibility
18 Years to 89 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced Jul 22, 2026, 4:00 PM EDT
Completed No phase listed Observational Results available

Laser Therapy for Treatment of Urogenital Symptoms in Women

NCT03681678
View directory record Official record
Conditions
Genitourinary System; Disorder, Female, Burning Vagina, Dyspareunia, Irritation; Vagina, Menopause Related Conditions, Urinary Incontinence, Urinary Bladder, Overactive, Urinary Tract Infections, Stress Urinary Incontinence
Interventions
fCO2 Laser Therapy Group
Device
Lead sponsor
Corewell Health East
Other
Eligibility
18 Years to 90 Years · Female only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
1
States / cities
Royal Oak, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 22, 2025 · Synced Jul 22, 2026, 4:00 PM EDT
Completed Not applicable Interventional

CO2 Laser Phototherapy for Management of Mature Burn Scars

NCT03197649
View directory record Official record
Conditions
Burn Scar
Interventions
Laser phototherapy treatment
Procedure
Lead sponsor
University of California, Davis
Other
Eligibility
3 Years to 21 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Jul 15, 2020 · Synced Jul 22, 2026, 4:00 PM EDT
Not listed Not applicable Interventional

Cholangiography Using Carbon Dioxide Versus Iodinated Contrast in ERCP

NCT02611453
View directory record Official record
Conditions
Choledocholithiasis, Bile Duct Diseases, Bile Duct Carcinoma
Interventions
"Air" contrast cholangiography using carbon dioxide gas
Other
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2024
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 2, 2024 · Synced Jul 22, 2026, 4:00 PM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Compression and CO2 Laser for Leg Wounds

NCT04198454
View directory record Official record
Conditions
Wound Healing
Interventions
Compression bandages, Standard wound dressings, Fractional ablative carbon dioxide laser
Other · Device
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2028
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 30, 2026 · Synced Jul 22, 2026, 4:00 PM EDT
Completed Phase 2 Interventional Results available

Cetuximab Plus Biweekly Capecitabine and Oxaliplatin in KRAS Wild Type Metastatic Colorectal Cancer

NCT00444678
View directory record Official record
Conditions
Colorectal Cancer, Neoplasm Metastasis
Interventions
Cetuximab, Oxaliplatin, Capecitabine
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2015
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 2, 2020 · Synced Jul 22, 2026, 4:00 PM EDT
Completed Not applicable Interventional Results available

A Study to Determine if Carbon Dioxide Lavage During Total Knee Surgery Reduces Intraoperative Embolic Events

NCT00736125
View directory record Official record
Conditions
Postoperative Complications, Memory Disorders
Interventions
pulsatile saline lavage, carbon dioxide lavage
Device
Lead sponsor
Kinamed Incorporated
Industry
Eligibility
50 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 25, 2019 · Synced Jul 22, 2026, 4:00 PM EDT
Completed Not applicable Interventional Results available

Fractional CO2 Vaginal LASER Therapy for Recurrent Urinary Tract Infection

NCT04301934
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 Jul 22, 2026, 4:00 PM EDT
Completed Not applicable Interventional Results available

Study of Carbon Dioxide Exchange Patterns During Robotic Prostatectomies

NCT02114164
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 Jul 22, 2026, 4:00 PM EDT
Terminated Phase 4 Interventional Results available

RECELL to Promote Healing Following Carbon Dioxide (CO2) Laser Treatment in Cosmetic Patients

NCT05386368
View directory record Official record
Conditions
Carbon Dioxide Laser, Photoaging
Interventions
ReCell
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 99 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 8, 2024 · Synced Jul 22, 2026, 4:00 PM EDT