- Conditions
- Depression, Major Depressive Disorder
- Interventions
- Nitrous Oxide, Placebo
- Drug
- Lead sponsor
- Bayside Health
- Government
- Eligibility
- 18 Years and older
- Enrollment
- 81 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2023
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
Search Results
Search by objective public record fields.
Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.
These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Showing 1–23
of 23
matching trials from the live ClinicalTrials.gov search.
- 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
- 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
- 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
- Suicidal Ideation, Major Depressive Disorder, Treatment Resistant Depression
- Interventions
- Nitrous oxide gas for inhalation, Placebo
- Drug
- Lead sponsor
- University of Chicago
- Other
- Eligibility
- 18 Years to 65 Years
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
- Conditions
- Low Back Pain, Radiating Pain
- Interventions
- Entonox, Oxygen
- Other
- Lead sponsor
- The Cleveland Clinic
- Other
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 78 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2013
- U.S. locations
- 1
- States / cities
- Cleveland, Ohio
- Conditions
- Treatment- Resistant Bipolar Disorder, Bipolar Disorder, Bipolar Depressive Disorder
- Interventions
- Nitrous Oxide, Placebo
- Drug
- Lead sponsor
- Washington University School of Medicine
- Other
- Eligibility
- 18 Years to 75 Years
- Enrollment
- 1 participant
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016
- U.S. locations
- 1
- States / cities
- St Louis, Missouri
- Conditions
- Overactive Bladder, Neurogenic Bladder, Urge Incontinence, Pain, Urinary Incontinence, Urinary Bladder, Overactive, Urinary Bladder, Neurogenic, Urinary Bladder Neurogenesis, Urinary Incontinence, Urge, Pelvic Floor Disorders
- Interventions
- Pro-Nox Nitrous Oxide/Oxygen Delivery System, Standard Care for Bladder Botox Injection, Sham Mask
- Drug · Other
- Lead sponsor
- TriHealth Inc.
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 96 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026
- U.S. locations
- 2
- States / cities
- Cincinnati, Ohio
- Conditions
- Tinnitus
- Interventions
- Nitrous oxide gas for inhalation, Placebo gas for inhalation
- Drug
- Lead sponsor
- Washington University School of Medicine
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 40 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2016 – 2017
- U.S. locations
- 1
- States / cities
- St Louis, Missouri
- 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
- Coronary Disease, Myocardial Ischemia
- Interventions
- Nitric Oxide and INOpulse Delivery System
- Drug
- Lead sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
- NIH
- Eligibility
- Not listed
- Enrollment
- 25 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2001 – 2003
- U.S. locations
- 1
- States / cities
- Bethesda, Maryland
- Conditions
- Dental Anxiety, Pain
- Interventions
- Nitrous Oxide, Midazolam
- Drug
- Lead sponsor
- Children's Hospital Colorado
- Other
- Eligibility
- 3 Years to 8 Years
- Enrollment
- 150 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2021
- U.S. locations
- 1
- States / cities
- Aurora, Colorado
- Conditions
- Fibromyalgia, Central Neuropathic Pain
- Interventions
- Nitrous oxide gas for inhalation, Placebo
- Drug
- Lead sponsor
- University of Chicago
- Other
- Eligibility
- 18 Years to 75 Years
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2026
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
- Conditions
- Major Depressive Disorder, Treatment Resistant Depression
- Interventions
- Nitrous oxide gas for inhalation, Placebo
- Drug
- Lead sponsor
- University of Chicago
- Other
- Eligibility
- 18 Years and older
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2026
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
- Conditions
- Healthy
- Interventions
- Dexmedetomidine, Propofol, Ketamine, Nitrous Oxide, Placebo
- Drug
- Lead sponsor
- Southern California Institute for Research and Education
- Other
- Eligibility
- 18 Years to 35 Years
- Enrollment
- 293 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009 – 2017
- U.S. locations
- 1
- States / cities
- Irvine, California
- Conditions
- Healthy
- Interventions
- Nitrous Oxide Gas for Inhalation
- Drug
- Lead sponsor
- University of Michigan
- Other
- Eligibility
- 21 Years to 40 Years
- Enrollment
- 21 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2019
- U.S. locations
- 1
- States / cities
- Ann Arbor, Michigan
- 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
- Conditions
- Complex Regional Pain Syndrome
- Interventions
- Nitrous Oxide, Oxygen
- Drug
- Lead sponsor
- The Cleveland Clinic
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 44 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2022
- U.S. locations
- 1
- States / cities
- Cleveland, Ohio
- Conditions
- Headache, Tumor, Seizure Disorder, Neurofibromatoses, Hydrocephalus, Abdominal Neoplasm, Spine Deformity
- Interventions
- propofol, Dexmedetomidine, Glycopyrrolate, Lidocaine 1% Injectable Solution, Nitrous Oxide, Sevoflurane
- Drug
- Lead sponsor
- Medical College of Wisconsin
- Other
- Eligibility
- 12 Months to 60 Months
- Enrollment
- 40 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018
- U.S. locations
- 1
- States / cities
- Milwaukee, Wisconsin
- Conditions
- PTSD
- Interventions
- Nitrous Oxide, Midazolam, Nitrogen, Oxygen, Saline
- Drug
- Lead sponsor
- VA Office of Research and Development
- Federal
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 1 participant
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2022
- U.S. locations
- 1
- States / cities
- Palo Alto, California
- Conditions
- Opioid-Related Disorders, Substance-Related Disorders
- Interventions
- Nitrous oxide 10% & placebo, Nitrous oxide 20% & placebo, Nitrous oxide 30% & placebo, Nitrous oxide 40% and placebo
- Drug
- Lead sponsor
- University of Chicago
- Other
- Eligibility
- 21 Years to 32 Years
- Enrollment
- 22 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 1996 – 1997
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
- Conditions
- Contraceptive Devices, Long-Acting Reversible Contraception, Analgesia, Adolescent Health, Gynecology
- Interventions
- Nitrous oxide gas for inhalation, Oxygen Gas for Inhalation
- Drug
- Lead sponsor
- Boston Children's Hospital
- Other
- Eligibility
- 14 Years to 24 Years · Female only
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- 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