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ClinicalTrials.gov public records Last synced Sep 13, 2026, 6:02 AM EDT

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Showing 1–24 of 52 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Depressive Disorder, Major, Depressive Disorder, Treatment-Resistant
Interventions
Nitrous Oxide, Placebo gas, MRI
Drug · Device
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2027
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Critically Illness, Sedation, Invasive Mechanical Ventilation, Acute Respiratory Distress Syndrome
Interventions
Intravenous sedation, Inhaled sedation
Drug
Lead sponsor
University Hospital, Clermont-Ferrand
Other
Eligibility
18 Years and older
Enrollment
203 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Severe Obesity, Hypoxia
Interventions
Non-invasive positive pressure ventilation through nasal mask, Rescue non-invasive positive pressure ventilation through nasal mask, Secondary rescue maneuvers
Device · Other
Lead sponsor
Bristol Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Bristol, Connecticut
Conditions
Pain, Postoperative
Interventions
Waveguard (TM) EEG cap, Micro Movement Sensor, Pico Movement Sensor, QS Piezostimulator, tactileTM sensory evaluator
Device
Lead sponsor
Boston Children's Hospital
Other
Eligibility
1 Hour to 6 Months
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Endoscopy, Colonoscopy
Interventions
5% inhaled nitrous oxide, 50% inhaled nitrous oxide
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Stanford, California
Conditions
Cesarean Section, Delivery; Trauma
Interventions
General anesthetic, Intravenous anesthetic
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older · Female only
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Airway Obstruction
Interventions
McMurray Enhanced Airway, Nasal Cannula
Device
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Miami, Florida
Conditions
Acute Respiratory Distress Syndrome (ARDS), Ventilator Management, Lung-protective Ventilation, Pediatric Acute Respiratory Distress Syndrome (PARDS)
Interventions
High Driving Pressure Mechanical Ventilation, Low Driving Pressure Mechanical Ventilation
Other
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
2 Weeks to 17 Years
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

A Pilot Study of Local Anesthesia for Inguinal Hernia Surgery in Older Adults

NCT04706026
Conditions
Inguinal Hernia, Anesthesia, Local
Interventions
Open Inguinal Hernia Repair - Local Anesthesia, Inguinal Hernia Repair - General Anesthesia
Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
60 Years and older
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
3
States / cities
Dallas, Texas • Houston, Texas • Madison, Wisconsin
Conditions
Anxiety, Dental, Dental Decay
Interventions
Regimen 1, Regimen #2, Regimen #3
Combination Product
Lead sponsor
Loma Linda University
Other
Eligibility
3 Years to 7 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Loma Linda, California
Conditions
Depressive Disorder, Major, Depressive Disorder, Treatment-Resistant
Interventions
Nitrous Oxide 25%, Nitrous Oxide 50%, Placebo Gas
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 75 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Pulmonary Embolism, Pulmonary Embolism Subacute Massive
Interventions
inhaled nitric oxide (iNO)
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Los Angeles, California
Completed Early Phase 1 Interventional Accepts healthy volunteers

Sevoflurane's Effect on Neurocognition Study

NCT06044740
Conditions
Anesthesia, Pain, Amnesia
Interventions
Sevoflurane, Peripheral Nerve Stimulation
Drug · Device
Lead sponsor
Keith M Vogt
Other
Eligibility
18 Years to 59 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Conditions
Colon Adenocarcinoma
Interventions
Biospecimen Collection, Electronic Health Record Review, Fentanyl Citrate, Propofol, Questionnaire Administration, Sevoflurane, Surgical Procedure
Procedure · Other · Drug
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Kansas City, Kansas
Conditions
Airway Management
Interventions
general endotracheal anesthesia, deep sedation without endotracheal intubation
Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Coronary Artery Disease, Delirium
Interventions
Ropivacaine, Ketamine, Remifentanil, Dexmedetomidine, Rocuronium, Propofol, Sevoflurane, EEG monitoring
Drug · Device
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
60 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Respiratory Control in Premature Infants
Interventions
Bedside Physiology study, Carotid Body Function Test, Room Air Challenge, Hypoxia Challenge Test, Effects of Nasal Cannula Flow, Magnetic Resonance Imaging, Echocardiogram, Blood Sample
Other · Diagnostic Test
Lead sponsor
Washington University School of Medicine
Other
Eligibility
1 Day to 28 Days
Enrollment
177 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Enrolling by invitation Phase 1 Interventional

Nitrous Oxide- Suicidal Ideation

NCT03736538
Conditions
Major Depressive Disorder, Depression, Mood Disorders, Suicidal Ideation
Interventions
Nitrous Oxide, Placebo gas
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Acute Lung Injury, Adult Respiratory Distress Syndrome, Kidney Injury
Interventions
Volume-Cycled Assist-Control (AC) mode, Airway Pressure Release Ventilation (APRV) mode
Device
Lead sponsor
University of Tennessee, Chattanooga
Other
Eligibility
18 Years to 85 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Chattanooga, Tennessee
Conditions
Post Traumatic Stress Disorder
Interventions
Nitrous Oxide
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 80 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Palo Alto, California
Terminated Not applicable Interventional Accepts healthy volunteers

Virtual Reality for External Cephalic Version

NCT03588182
Conditions
Analgesia Management for External Cephalic Version
Interventions
Virtual Reality Experience
Other
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
New York, New York
Conditions
Sedation
Interventions
Isoflurane, Propofol, Isoflurane (run-ins)
Drug
Lead sponsor
Sedana Medical
Industry
Eligibility
18 Years and older
Enrollment
277 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
14
States / cities
Aurora, Colorado • Atlanta, Georgia • Chicago, Illinois + 9 more
Conditions
Sedation
Interventions
Isoflurane, Propofol
Drug
Lead sponsor
Sedana Medical
Industry
Eligibility
18 Years and older
Enrollment
282 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
16
States / cities
Long Beach, California • Los Angeles, California • Redwood City, California + 12 more
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effect of Nitrous Oxide (N2O) on Intraocular Pressure in Healthy Volunteers

NCT00967694
Conditions
Glaucoma, Sedation
Interventions
Nitrous oxide
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 40 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Portland, Oregon