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Showing 1–24 of 182 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Gas Clear all
Terminated Not applicable Interventional

Pre-oxygenation and Measures of Gas Exchanges During Seizures in the Epilepsy Monitoring Unit

NCT02241798
View directory record Official record
Conditions
Epilepsy
Interventions
oxygen
Other
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 70 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 12, 2017 · Synced Sep 5, 2026, 8:23 AM EDT
Completed Phase 4 Interventional

Zileuton and Exhaled Nitric Oxide in Asthmatics

NCT00575861
View directory record Official record
Conditions
Asthma
Interventions
zileuton
Drug
Lead sponsor
Gelb, Arthur F., M.D.
Individual
Eligibility
21 Years to 80 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Lakewood, California
Source: ClinicalTrials.gov public record
Updated Dec 19, 2007 · Synced Sep 5, 2026, 8:23 AM EDT
Completed No phase listed Observational

Verification of Pulse Oximetry in Neonatal Population

NCT00751439
View directory record Official record
Conditions
Respiratory Distress Syndrome
Interventions
Not listed
Lead sponsor
Children's Hospitals and Clinics of Minnesota
Other
Eligibility
1 Day to 30 Days
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 10, 2010 · Synced Sep 5, 2026, 8:23 AM EDT
Completed Phase 2 Interventional Results available

Trial of a Gastrin Receptor Antagonist in Barrett's Esophagus

NCT01298999
View directory record Official record
Conditions
Barrett's Esophagus
Interventions
YF476, Placebo
Drug
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 22, 2021 · Synced Sep 5, 2026, 8:23 AM EDT
Completed Phase 1 Interventional

Nitrite Infusion Studies

NCT00102271
View directory record Official record
Conditions
Healthy
Interventions
Oxypurinol, Sodium Nitrite
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
21 Years to 40 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 5, 2026, 8:23 AM EDT
Completed Phase 4 Interventional

Study Evaluating Whether the Bispectral Index Prevents Patients at Higher Risk From Being Awake During Surgery and Anesthesia

NCT00682825
View directory record Official record
Conditions
Explicit Recall of Intra-Operative Events
Interventions
Bispectral index protocol, End tidal anesthetic gas-guided
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
6,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2008
U.S. locations
2
States / cities
Chicago, Illinois • St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 3, 2011 · Synced Sep 5, 2026, 8:23 AM 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 Sep 5, 2026, 8:23 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Optimizing and Standardizing 129Xe Gas Exchange MRI to Visualize Regional Therapy Response in Interstitial Lung Disease

NCT04855305
View directory record Official record
Conditions
Interstitial Lung Diseases
Interventions
Hyperpolarized 129Xe
Drug
Lead sponsor
Bastiaan Driehuys
Other
Eligibility
18 Years and older
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 4, 2026 · Synced Sep 5, 2026, 8:23 AM EDT
Withdrawn Early Phase 1 Interventional

Comparison of 133Xe Scintigraphy With 19F MRI

NCT03532334
View directory record Official record
Conditions
Lung Diseases
Interventions
Perfluorinated Gas/Oxygen Mixture
Diagnostic Test
Lead sponsor
Hal C Charles
Other
Eligibility
18 Years to 99 Years
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 23, 2018 · Synced Sep 5, 2026, 8:23 AM EDT
Terminated Not applicable Interventional Results available

Helium-oxygen Gas Mixtures Delivered by a High Flow Nasal Cannula in Bronchiolitis

NCT02373683
View directory record Official record
Conditions
Bronchiolitis, Heliox, Pediatrics
Interventions
Vapotherm-Heliox
Device
Lead sponsor
Case Western Reserve University
Other
Eligibility
Up to 2 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 1, 2022 · Synced Sep 5, 2026, 8:23 AM EDT
Completed Not applicable Interventional Results available

Postoperative Heme Oxygenase Induction and Carbon Monoxide Production as a Novel Method to Assess Hepatic Regeneration and Predict Hepatic Related Morbidity After Partial Hepatectomy

NCT04195438
View directory record Official record
Conditions
Liver Cancer
Interventions
CO Testing Pre/Post Hepatic Resection, ABG Testing Pre/Post Hepatic Resection, CT Evaluations
Procedure · Diagnostic Test
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2024
U.S. locations
1
States / cities
Glen Burnie, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 20, 2024 · Synced Sep 5, 2026, 8:23 AM EDT
Active, not recruiting Not applicable Interventional

Initial Correction Keratoconus

NCT04918316
View directory record Official record
Conditions
Keratoconus
Interventions
Corneal gas permeable lens
Other
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
4
States / cities
Chicago, Illinois • Rochester, Minnesota • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 21, 2025 · Synced Sep 5, 2026, 8:23 AM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Simethicone as Part of ERAS in Bariatric Surgery Patients

NCT06812832
View directory record Official record
Conditions
Simethicone, Bariatric Surgery, Post-operative Pain
Interventions
Simethicone 80 MG, Placebo
Drug
Lead sponsor
Madigan Army Medical Center
Federal
Eligibility
18 Years to 89 Years
Enrollment
260 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Jun 14, 2025 · Synced Sep 5, 2026, 8:23 AM EDT
Not yet recruiting Not applicable Interventional

Pivotal Study to Assess Safety and Performance of Neola®, a Novel Lung Monitoring Device for Neonates

NCT07060911
View directory record Official record
Conditions
RDS of Prematurity, Preterm Birth, Lung Diseases
Interventions
Lung monitoring with the Neola device
Device
Lead sponsor
Neola Medical Inc
Industry
Eligibility
1 Day to 44 Weeks
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
2
States / cities
Palo Alto, California • Camden, New Jersey
Source: ClinicalTrials.gov public record
Updated Jul 10, 2025 · Synced Sep 5, 2026, 8:23 AM EDT
Completed Phase 2 Interventional Results available

Clinical Trial Characterizing the Bioavailability of 1-Octanol in Adults With Ethanol-responsive Essential Tremor

NCT00102596
View directory record Official record
Conditions
Essential Tremor
Interventions
1-Octanol
Drug
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
21 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 31, 2012 · Synced Sep 5, 2026, 8:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Emergency Department Brief Intervention to Increase Carbon Monoxide Detector Use

NCT00959478
View directory record Official record
Conditions
Intervention-carbon Monoxide Alarm + Educational Tool, Control- Usual Care Flyer on Carbon Monoxide
Interventions
Educational Tool & Carbon Monoxide Alarm
Behavioral
Lead sponsor
Lara McKenzie
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 29, 2014 · Synced Sep 5, 2026, 8:23 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Trans-Middle-Ear Mucosal Gas Exchange Project 1, Specific Aim 1

NCT01925482
View directory record Official record
Conditions
Middle Ear Gas Exchange
Interventions
6%CO2, 25%O2, balance N2, 6% CO2, 0%O2, balance N2, 20%CO2, 6%O2, balance N2, 0%CO2, 6%O2, balance N2, 6% CO2, 6%O2, balance N2, 6%CO2, 6%O2, 0%N2, balance argon
Drug
Lead sponsor
Cuneyt M. Alper
Other
Eligibility
18 Years to 50 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 18, 2019 · Synced Sep 5, 2026, 8:23 AM EDT
Recruiting Not applicable Interventional

Amnioinfusion's Protective Effects on Respiratory and Longitudinal Pediatric Outcomes After Intrapartum Thick Meconium Exposure

NCT07274527
View directory record Official record
Conditions
Neonatal Respiratory Distress Related Conditions, Meconium, Perinatal Morbidity, Neonatal Acidosis, Cord Blood, Neonatal Brain Injury, Maternal Morbidity, Mechanical Ventilation, CPAP, Surfactant, Perinatal Death, Amnioinfusion, NICU Admission
Interventions
Intrauterine pressure catheter, Standard obstetric care at discretion of delivery provider
Device · Other
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older
Enrollment
320 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 18, 2026 · Synced Sep 5, 2026, 8:23 AM EDT
Not yet recruiting Not applicable Interventional

Amnioinfusion for Chorioamnionitis: Targeting Neonatal Brain Injury Biomarkers

NCT07610642
View directory record Official record
Conditions
Chorioamnionitis Affecting Fetus or Newborn, Amnioinfusion, Neonatal Brain Injury
Interventions
Intrauterine Pressure Catheter, Standard obstetric care at discretion of delivery provider
Device · Other
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 28, 2026 · Synced Sep 5, 2026, 8:23 AM EDT
Completed No phase listed Observational

Correlation of PaCO2 to the Inspired and Expired Oxygen Gradient

NCT01513213
View directory record Official record
Conditions
Neurosurgery
Interventions
Not listed
Lead sponsor
Swedish Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 23, 2017 · Synced Sep 5, 2026, 8:23 AM EDT
Terminated No phase listed Observational

Use Of Capnography As Surrogate Measure Of PC02 In Medical Intensive Care Unit (ICU) Patients

NCT00744614
View directory record Official record
Conditions
Asthma, Chronic Obstructive Pulmonary Disease, Interstitial Lung Disease
Interventions
Capnography
Procedure
Lead sponsor
Lahey Clinic
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Burlington, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 20, 2010 · Synced Sep 5, 2026, 8:23 AM EDT
Terminated Not applicable Interventional

Conjugated Hyperbilirubinemia and Pulse Oximetry

NCT00741117
View directory record Official record
Conditions
Liver Disease, Hyperbilirubinemia
Interventions
Arterial Blood Gas, Pulse Oximetry Machine, Direct and Indirect Serum Bilirubin Measurement
Procedure
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 5, 2013 · Synced Sep 5, 2026, 8:23 AM EDT
Completed No phase listed Observational

Dysfunctional Hemoglobin Pulse Oximetry

NCT03030833
View directory record Official record
Conditions
Carbon Monoxide Poisoning
Interventions
Pulse Oximeter
Device
Lead sponsor
Nonin Medical, Inc
Industry
Eligibility
18 Years to 50 Years
Enrollment
36 participants
Timeline
2017
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 31, 2017 · Synced Sep 5, 2026, 8:23 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Imaging Regional Lung Defect Severity

NCT01640288
View directory record Official record
Conditions
COPD
Interventions
Perfluorinated Gas/Oxygen Mixture, High Resolution CT of the Chest
Drug · Other
Lead sponsor
Hal C Charles
Other
Eligibility
18 Years and older
Enrollment
171 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 16, 2020 · Synced Sep 5, 2026, 8:23 AM EDT