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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
Recruiting Not applicable Interventional

Carbon Dioxide (CO2) Chemosensitivity and SUDEP

NCT04134754
View directory record Official record
Conditions
Epilepsy, SUDEP
Interventions
6% Carbon dioxide/50% oxygen/balance nitrogen mixture
Other
Lead sponsor
University of Iowa
Other
Eligibility
18 Years to 99 Years
Enrollment
335 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2029
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jun 22, 2026 · Synced Sep 24, 2026, 1:24 PM EDT
Withdrawn Not applicable Interventional

Pulmonary Vascular Effects of Respiratory Rate & Carbon Dioxide

NCT01927237
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 Sep 24, 2026, 1:24 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 Sep 24, 2026, 1:24 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

CO2 Laser vs Lidocaine for Vestibulodynia in Premenopausal Women

NCT05336825
View directory record Official record
Conditions
Vulvodynia
Interventions
CO2 laser, Lidocaine patch 5%
Device · Drug
Lead sponsor
Atlantic Health System
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Denville, New Jersey
Source: ClinicalTrials.gov public record
Updated Apr 19, 2022 · Synced Sep 24, 2026, 1:24 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Wearing Masks on End-tidal Carbon Dioxide and Pulse Oximetry

NCT05114993
View directory record Official record
Conditions
Carbon Dioxide
Interventions
wearing a disposable surgical mask
Device
Lead sponsor
Patrick Brooks
Other
Eligibility
2 Years to 80 Years
Enrollment
119 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Springfield, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 23, 2022 · Synced Sep 24, 2026, 1:24 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 Aug 16, 2026 · Synced Sep 24, 2026, 1:24 PM EDT
Withdrawn Not applicable Interventional

Dehydrated Human Amnion/Chorion Membrane (dHACM) for Recovery After Fractionated Ablative CO2 Laser Resurfacing of the Face

NCT01995604
View directory record Official record
Conditions
Scarring
Interventions
Application of Sterile 0.9% Saline Solution, Application of dHACM
Other
Lead sponsor
MiMedx Group, Inc.
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jun 12, 2014 · Synced Sep 24, 2026, 1:24 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

AirSeal®Insufflation Trocar/CO2 Absorption Study

NCT02654808
View directory record Official record
Conditions
Gynecologic Diseases
Interventions
AirSeal trocar, Standard trocar
Device
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older · Female only
Enrollment
132 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 15, 2021 · Synced Sep 24, 2026, 1:24 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 24, 2026, 1:24 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 Sep 24, 2026, 1:24 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluating Procedure Pairing of a Post-Procedure Cream Versus a Comparator in Patients Treated With Fractional Ablative CO2 Laser for Facial Rejuvenation

NCT06366503
View directory record Official record
Conditions
Photoaging, Wrinkle, Skin Laxity
Interventions
Fractional Ablative CO2 Laser, Facial Cleanser, Facial Moisturizer, Sunscreen, Basic Ointment
Procedure · Other
Lead sponsor
Revision Skincare
Industry
Eligibility
35 Years to 65 Years · Female only
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Blue Ash, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 2, 2025 · Synced Sep 24, 2026, 1:24 PM EDT
Completed No phase listed Observational

MR Perfusion Imaging and Hypercapnia (Increased Carbon Dioxide) to Study New Blood Vessel Formation in Multiple Sclerosis

NCT00064909
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Not listed
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
Not listed
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 24, 2026, 1:24 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Capnogram and Fluid Responsiveness

NCT03788707
View directory record Official record
Conditions
Healthy, Blood Pressure
Interventions
Passive leg raising
Other
Lead sponsor
Augusta University
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 27, 2021 · Synced Sep 24, 2026, 1:24 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Prospective, Open-Label, Single-Center, Non-Comparative Study to Assess the Use of Pixel CO2 Laser System (FemiLift) in the Treatment of Vulvovaginal Atrophy (VVA) in Postmenopausal Female Subjects

NCT02747641
View directory record Official record
Conditions
Atrophy, Vaginal Atrophy, Genital Diseases, Female
Interventions
Pixel CO2 Laser System
Procedure
Lead sponsor
Alma Lasers Inc.
Industry
Eligibility
35 Years to 70 Years · Female only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Weston, Florida
Source: ClinicalTrials.gov public record
Updated Nov 20, 2017 · Synced Sep 24, 2026, 1:24 PM EDT
Completed Phase 2 Interventional

The Effect of Nasal Carbon Dioxide (CO2) in the Treatment of Mild Headache in People Who Experience Migraines

NCT00690716
View directory record Official record
Conditions
Migraine
Interventions
Nasal CO2, Inactive Placebo
Drug
Lead sponsor
Capnia, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
292 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
15
States / cities
Birmingham, Alabama • Stanford, California • East Hartford, Connecticut + 12 more
Source: ClinicalTrials.gov public record
Updated Aug 14, 2012 · Synced Sep 24, 2026, 1:24 PM EDT
Completed Phase 4 Interventional

Fractionated CO2 Laser With and Without Clobetasol for Treatment of Vulvar Lichen Sclerosus

NCT04951206
View directory record Official record
Conditions
Vulvar Lichen Sclerosus
Interventions
Fractionated CO2-laser, Clobetasol Propionate 0.05% Ointment
Device · Drug
Lead sponsor
Medstar Health Research Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
212 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
10
States / cities
San Diego, California • Washington D.C., District of Columbia • Chicago, Illinois + 7 more
Source: ClinicalTrials.gov public record
Updated Jun 4, 2025 · Synced Sep 24, 2026, 1:24 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Role of Prostaglandins in the Regulation of Brain Blood Flow

NCT00006318
View directory record Official record
Conditions
Healthy, Hypercapnia
Interventions
Not listed
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
Not listed
Enrollment
125 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2003
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 24, 2026, 1:24 PM EDT
Completed No phase listed Observational

Regulation of Cerebral Blood Flow in Very Low Birth Weight Infants

NCT00579943
View directory record Official record
Conditions
Infant, Very Low Birth Weight, Infant, Premature, Diseases, Cerebral Hemorrhage
Interventions
Not listed
Lead sponsor
University of Arkansas
Other
Eligibility
1 Hour to 7 Days
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2008
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Jun 3, 2008 · Synced Sep 24, 2026, 1:24 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 Sep 24, 2026, 1:24 PM EDT
Terminated Phase 2 Interventional

S9709, Laser Surgery Plus Radiation Therapy in Treating Patients With Early Stage Cancer of the Larynx

NCT00003040
View directory record Official record
Conditions
Head and Neck Cancer
Interventions
laser surgery, radiation therapy
Procedure · Radiation
Lead sponsor
SWOG Cancer Research Network
Network
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2007
U.S. locations
12
States / cities
Little Rock, Arkansas • Los Angeles, California • Sacramento, California + 9 more
Source: ClinicalTrials.gov public record
Updated Jun 14, 2012 · Synced Sep 24, 2026, 1:24 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Fractional CO2 Laser for the Treatment of Lichen Planus Pigmentosus

NCT05170308
View directory record Official record
Conditions
Lichen Planus Pigmentosus
Interventions
CO2 fractional laser
Device
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Aug 1, 2022 · Synced Sep 24, 2026, 1:24 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 24, 2026, 1:24 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 24, 2026, 1:24 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Comparative Study Using Dermabrasion vs CO2 Laser & Collagen Dressing vs Vaseline Gauze in MKTP

NCT02038257
View directory record Official record
Conditions
Vitiligo, Depigmented Scars, Depigmentation
Interventions
MKTP (melanocyte keratinocyte transplant procedure), Collagen Dressing, Vaseline Impregnated Gauze, Carbon Dioxide Laser, Dermabrasion
Procedure · Device
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Feb 22, 2017 · Synced Sep 24, 2026, 1:24 PM EDT