- Conditions
- Ventilatory Depression, Postoperative Respiratory Failure
- Interventions
- Oxygen gas
- Other
- Lead sponsor
- Stanford University
- Other
- Eligibility
- 20 Years to 90 Years
- Enrollment
- 10 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023
- U.S. locations
- 1
- States / cities
- Stanford, California
Search Results
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Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
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Showing 25–48
of 24
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- Conditions
- Ileus, Ogilvie Syndrome, Small Bowel Obstruction
- Interventions
- 100% Oxygen
- Drug
- Lead sponsor
- University of Florida
- Other
- Eligibility
- 18 Years to 100 Years
- Enrollment
- 17 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2019
- U.S. locations
- 1
- States / cities
- Gainesville, Florida
- Conditions
- COPD
- Interventions
- Oxygen, High flow of room air
- Other
- Lead sponsor
- Johns Hopkins University
- Other
- Eligibility
- 21 Years to 80 Years
- Enrollment
- 52 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2012 – 2016
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- Conditions
- Intermittent Explosive Disorder
- Interventions
- Nitrous oxide, Room Air
- Drug
- Lead sponsor
- Ohio State University
- Other
- Eligibility
- 21 Years to 55 Years
- Enrollment
- 50 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2027
- U.S. locations
- 1
- States / cities
- Columbus, Ohio
- Conditions
- Pulmonary Disease, Chronic Obstructive (COPD), Cognitive Impairment
- Interventions
- Neuropsychological Assessment, Spirometry, Arterial Blood Gas, Diffusion Capacity of the Lung for Carbon Monoxide, 6 Minute Walk Test, Systemic Vascular Measures, Blood Biomarkers, Symptom Questionnaire Measures, Brain MRI
- Behavioral · Procedure · Diagnostic Test + 1 more
- Lead sponsor
- Karin Hoth
- Other
- Eligibility
- 30 Years to 85 Years
- Enrollment
- 170 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2025
- U.S. locations
- 1
- States / cities
- Iowa City, Iowa
- Conditions
- Microstomia, Scleroderma
- Interventions
- Hyaluronidase, CO2 laser
- Drug · Device
- Lead sponsor
- University of Nebraska
- Other
- Eligibility
- 19 Years and older
- Enrollment
- 3 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024
- U.S. locations
- 2
- States / cities
- Omaha, Nebraska
- Conditions
- Cystic Fibrosis
- Interventions
- Nitric Oxide for Inhalation, Nitrogen
- Drug
- Lead sponsor
- Mallinckrodt
- Industry
- Eligibility
- 12 Years and older
- Enrollment
- 18 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2004 – 2008
- U.S. locations
- 1
- States / cities
- Denver, Colorado
- Conditions
- Labor Pain
- Interventions
- 50% Nitrous Oxide/50% Oxygen
- Drug
- Lead sponsor
- West Penn Allegheny Health System
- Other
- Eligibility
- 18 Years and older · Female only
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2012 – 2014
- U.S. locations
- 1
- States / cities
- Pittsburgh, Pennsylvania
- Conditions
- Low Oxygen Saturation
- Interventions
- Not listed
- Lead sponsor
- Children's National Research Institute
- Other
- Eligibility
- Up to 21 Years
- Enrollment
- 100 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2010
- U.S. locations
- 1
- States / cities
- Washington D.C., District of Columbia
- Conditions
- Interstitial Lung Disease, Chronic Thromboembolic Pulmonary Hypertension, Acute Pulmonary Embolism, Anemia, Polycythemia, Dyspnea
- Interventions
- Hyperpolarized Xe129, Oxygen Administration
- Drug · Other
- Lead sponsor
- Bastiaan Driehuys
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 125 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024 – 2028
- U.S. locations
- 1
- States / cities
- Durham, North Carolina
- Conditions
- Surgery
- Interventions
- Arterial blood gas with co-oximetry
- Diagnostic Test
- Lead sponsor
- Brittany Willer
- Other
- Eligibility
- 2 Years to 9 Years
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2027
- U.S. locations
- 1
- States / cities
- Columbus, Ohio
- Conditions
- Extracorporeal Membrane Oxygenation Complication
- Interventions
- ECMO-free protocol, Usual Care
- Other
- Lead sponsor
- Vanderbilt University Medical Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 225 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2026
- U.S. locations
- 7
- States / cities
- San Diego, California • Stanford, California • Minneapolis, Minnesota + 4 more
- Conditions
- Brain Hypoxia
- Interventions
- Mild Hypoxia
- Device
- Lead sponsor
- University of Minnesota
- Other
- Eligibility
- 18 Years to 40 Years · Male only
- Enrollment
- 25 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2015 – 2016
- U.S. locations
- 1
- States / cities
- Minneapolis, Minnesota
- Conditions
- Respiratory Depression
- Interventions
- Remifentanil, Oxygen, Carbon dioxide
- Drug
- Lead sponsor
- Duke University
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 30 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2015 – 2018
- U.S. locations
- 1
- States / cities
- Durham, North Carolina
- Conditions
- Surgical Wound Infection
- Interventions
- 80% oxygen, 30% oxygen
- Other
- Lead sponsor
- The Cleveland Clinic
- Other
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 400 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2006 – 2009
- U.S. locations
- 2
- States / cities
- Louisville, Kentucky • Cleveland, Ohio
- Conditions
- Postural Orthostatic Tachycardia Syndrome
- Interventions
- Blood Volume, Total Blood Volume, Exercise Capacity Test - Bicycle, Posture Study
- Radiation · Procedure
- Lead sponsor
- Vanderbilt University
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 38 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2012 – 2021
- U.S. locations
- 1
- States / cities
- Nashville, Tennessee
- Conditions
- Hypoxia
- Interventions
- Pulse Oximeter, Induced hypoxia through breathing nitrogen-air-carbon dioxide mixture
- Device · Procedure
- Lead sponsor
- Nihon Kohden
- Industry
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 48 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025 – 2027
- U.S. locations
- 1
- States / cities
- San Francisco, California
- Conditions
- Endothelial Dysfunction
- Interventions
- Carbon Monoxide
- Drug
- Lead sponsor
- Cedars-Sinai Medical Center
- Other
- Eligibility
- 18 Years to 39 Years
- Enrollment
- 9 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2019
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- 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
- Conditions
- Major Depressive Disorder, Bipolar Depression
- Interventions
- Xenon, Nitrogen gas
- Drug
- Lead sponsor
- Massachusetts General Hospital
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2026
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Nitrous Oxide
- Interventions
- Nitrous oxide, IV Sedation
- Drug
- Lead sponsor
- University of Arizona
- Other
- Eligibility
- 18 Years to 99 Years · Female only
- Enrollment
- 3 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021
- U.S. locations
- 1
- States / cities
- Phoenix, Arizona
- Conditions
- Hyperoxia, Hypoxia, Brain, Neurobehavioral Manifestations
- Interventions
- Oxygen
- Drug
- Lead sponsor
- Case Western Reserve University
- Other
- Eligibility
- 18 Years to 60 Years
- Enrollment
- 33 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2018
- U.S. locations
- 1
- States / cities
- Cleveland, Ohio
- Conditions
- Lumbar Spinal Stenosis, Lumbar Spinal Instability, Lumbar Spine Degeneration
- Interventions
- Standard analgesia use [Oxygen], Standard analgesia use [Hydromorphone], Standard analgesia use [Volatile Anesthesia], Standard analgesia use [Fentanyl], Multi-modal pain management [Acetaminophen + Gabapentin], Multi-modal pain management [Fentanyl], Multi-modal pain management [Intravenous Ketamine], Multi-modal pain management [Valium + Gabapentin]
- Drug
- Lead sponsor
- Johns Hopkins University
- Other
- Eligibility
- 18 Years to 100 Years
- Enrollment
- 49 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2018
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- 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