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Showing 1–15 of 15 matching trials from the live ClinicalTrials.gov search.
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Completed Not applicable Interventional Accepts healthy volunteers

Reinforcing Effects of Brief Exposures to Nitrous Oxide - 8

NCT00000256
Conditions
Opioid-Related Disorders, Substance-Related Disorders
Interventions
20% N2O, 40% N2O, 60% N2O, 80% N2O
Drug
Lead sponsor
University of Chicago
Other
Eligibility
22 Years to 34 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1995 – 1996
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Opioid-Related Disorders, Substance-Related Disorders
Interventions
Nitrous oxide
Drug
Lead sponsor
University of Chicago
Other
Eligibility
21 Years to 37 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1995 – 1996
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Emergence Agitation
Interventions
Depth of anesthesia
Other
Lead sponsor
Duke University
Other
Eligibility
2 Years to 8 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Durham, North Carolina
Completed Phase 2 Interventional Accepts healthy volunteers

Lack of Acute Tolerance Development to Effects of Nitrous Oxide - 4

NCT00000252
Conditions
Opioid-Related Disorders, Substance-Related Disorders
Interventions
0% N2O, 10% N2O, 20% N2O, 30% N2O, 40% N2O
Drug
Lead sponsor
University of Chicago
Other
Eligibility
21 Years to 29 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1994 – 1996
U.S. locations
1
States / cities
Chicago, Illinois
Completed Phase 2 Interventional Accepts healthy volunteers

Effects of Subanesthetic Concentrations of Nitrous Oxide - 1

NCT00000249
Conditions
Opioid-Related Disorders, Substance-Related Disorders
Interventions
20% N2O, 30% N2O, 40% N2O
Drug
Lead sponsor
University of Chicago
Other
Eligibility
21 Years to 37 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1993 – 1995
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Opioid-Related Disorders, Substance-Related Disorders
Interventions
0% N2O, 40% N2O
Drug
Lead sponsor
University of Chicago
Other
Eligibility
21 Years to 32 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1993 – 1995
U.S. locations
1
States / cities
Chicago, Illinois
Completed Phase 2 Interventional Accepts healthy volunteers

Isoflurane at Subanesthetic Concentrations - 6

NCT00000254
Conditions
Opioid-Related Disorders, Substance-Related Disorders
Interventions
40% Nitrous oxide, Sham comparator, 0.2% isoflurane, 0.4% isoflurane, 0.6% isoflurane
Drug · Other
Lead sponsor
University of Chicago
Other
Eligibility
21 Years to 34 Years · Male only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1995
U.S. locations
1
States / cities
Chicago, Illinois
Completed Not applicable Interventional Accepts healthy volunteers

Role of Instructions in Nitrous Oxide Effects and Choice - 10

NCT00000258
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
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Network-Level Effects of Nitrous Oxide in the Human Brain

NCT03435055
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
Completed Not applicable Interventional Accepts healthy volunteers Results available

Nitrous Oxide for Pain Management of First Trimester Surgical Abortion

NCT02096575
Conditions
Abortion in First Trimester
Interventions
Nitrous oxide administration
Other
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years and older · Female only
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Albuquerque, New Mexico
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Nitrous Oxide Treatment for Tinnitus

NCT03365011
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
Completed Not applicable Interventional Accepts healthy volunteers

Mask Study: One-handed vs. Two Handed Technique in Children

NCT03215121
Conditions
Obstructive Sleep Apnea
Interventions
One handed mask airway, switch to two hands, Two handed mask airway + jaw thrust, Two handed mask airway, switch to one hand
Procedure
Lead sponsor
Nemours Children's Clinic
Other
Eligibility
1 Year to 8 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Wilmington, Delaware
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Nitrous Oxide: A Dose-Response Analysis - 5

NCT00000253
Conditions
Opioid-Related Disorders, Substance-Related Disorders
Interventions
10% N2O, 20% N2O, 30% N2O, 40% N2O
Drug
Lead sponsor
University of Chicago
Other
Eligibility
21 Years to 37 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1994 – 1996
U.S. locations
1
States / cities
Chicago, Illinois
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Alcohol History on Effects of Nitrous Oxide - 9

NCT00000257
Conditions
Alcohol-Related Disorders, Opioid-Related Disorders, Substance-Related Disorders
Interventions
0% N2O and 10% N2O, 0% N2O and 20% N2O, 0% N2O and 30% N2O, 0% N2O and 40% N2O
Drug
Lead sponsor
University of Chicago
Other
Eligibility
21 Years to 37 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1995 – 1997
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Anesthesia, Tooth Extraction
Interventions
Midazolam Hydrochloride, Fentanyl, Ketamine, Propofol injection, Nitrous oxide
Drug
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
16 Years and older
Enrollment
73 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2024
U.S. locations
1
States / cities
The Bronx, New York