Clinical trials: Nitrous Oxide
Major Depressive Disorder, Treatment Resistant Depression
Antidepressant Effects of Nitrous Oxide
To evaluate the acute and sustained antidepressant effects of nitrous oxide in people with major depressive disorder; and further evaluate these effects by identifying the optimal dose and regimen to guide current practice, and…
- Trial name
- NCT05357040
- Testing
- Nitrous oxide gas for inhalation
- Where
- 2 sites in United States, Australia
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Chicago
Opioid-Related Disorders, Substance-Related Disorders
Subjective Effects of Nitrous Oxide in Dental Patients - 17
The purpose of this study was to characterize mood changes during nitrous oxide inhalation in patients with different levels of preoperative dental anxiety.
- Trial name
- NCT00000265
- Where
- United States
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- University of Chicago
Pneumoperitoneum
CO2 Absorption During Laparoscopy
CO2 absorption from the pneumoperitoneum increases over time during laparoscopic procedures. Adding 4% of oxygen to the carbon dioxide was shown in rabbits to decrease CO2 resorbtion through prevention of mesothelial hypoxia.
- Trial name
- NCT01340989
- Testing
- alteration of the insufflation gas, full conditioning, standard pneumoperitoneum
- Where
- Belgium
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University Hospital, Gasthuisberg
Contraception, Inhalation of Nitrous Oxide
Nitrous Oxide for Pain Management During In-office Transcervical Sterilization
This is a randomized, double blind study that aims to measure the difference in maximum pain experienced during in-office transcervical sterilization (Essure®) for women receiving either inhaled nitrous oxide or standard oral…
- Trial name
- NEST (NCT02312739)
- Testing
- In-office Transcervical Sterilization (Essure®), Standard Oral pain medications, Intramuscular Ketorolac
- Where
- United States
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- University of New Mexico
Contraception
Nitrous Oxide for Pain Management of Intrauterine Device (IUD) Insertion
The purpose of this study is to determine whether Nitrous Oxide is effective in achieving pain control and satisfaction among nulliparous women getting the intrauterine device (IUD).
- Trial name
- NIUD (NCT02391714)
- Testing
- IUD insertion, Povidone-Iodine, Chlorhexidine
- Where
- United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- University of New Mexico
Opioid-Related Disorders, Substance-Related Disorders
Lack of Acute Tolerance Development to Effects of Nitrous Oxide - 4
The purpose of this study is to conduct experiments to examine subjective and reinforcing effects of nitrous oxide. Mood altering and psychomotor effects will be tested on non-drug abusers and preference procedures will be used…
- Trial name
- NCT00000252
- Testing
- 0% N2O, 10% N2O, 20% N2O
- Where
- United States
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- University of Chicago
Lower Urinary Tract Symptoms
A Pilot Study to Assess Effects of Self-Administered Nitrous Oxide (SANO) on Urodynamic Study (UDS) Parameters
A urodynamic study (UDS) is a common procedure done to learn more about the cause of urinary symptoms. For some patients, UDS can be associated with anxiety or discomfort.
- Trial name
- NCT05883332
- Testing
- Self-Administered Nitrous Oxide, Oxygen
- Where
- United States
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- Beth Israel Deaconess Medical Center
Alcohol-Related Disorders, Opioid-Related Disorders
Effects of Alcohol History on Effects of Nitrous Oxide - 9
The purpose of this study is to conduct experiments to examine subjective and reinforcing effects of nitrous oxide. Mood altering and psychomotor effects will be tested on non-drug abusers and preference procedures will be used…
- Conditions
- Alcohol-Related Disorders, Opioid-Related Disorders, Substance-Related Disorders
- Trial name
- NCT00000257
- Testing
- 0% N2O and 10% N2O, 0% N2O and 20% N2O, 0% N2O and 30% N2O
- Where
- United States
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- University of Chicago
Nitrous Oxide
Colonoscopy Using Nitrous Oxide- A Pilot Study in the USA
Colon cancer is the second most common cancer in men and the third most common cancer in women worldwide. The clinical objectives of administering sedation for GI endoscopy are to relieve patient anxiety and discomfort and to…
- Trial name
- NCT04305158
- Testing
- Nitrous Oxide
- Where
- United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- University of Arkansas
Prostate Disease, Malignancy
Self-Administered Nitrous Oxide (SANO) During Transrectal Prostate Biopsy to Reduce Patient Anxiety and Pain
Transrectal prostate biopsy is a commonly performed ambulatory procedure for diagnosing prostate cancer. Prostate biopsy are associated with pain or anxiety.
- Conditions
- Prostate Disease, Malignancy, Benign Prostatic Hyperplasia, Prostate Cancer
- Trial name
- NCT05803096
- Testing
- Self-Administered Nitrous Oxide, Oxygen
- Where
- United States
- Volunteers
- 143 people, healthy volunteers welcome
- Sponsor
- Beth Israel Deaconess Medical Center
Depression
Nitrous Oxide and EMOtional Cognition
The goal of this study is to uncover the underlying neuropsychological mechanisms of nitrous oxide, which may be relevant to its reported antidepressant effects.
- Trial name
- NEMO (NCT06557642)
- Testing
- Entonox, Medical Air
- Where
- United Kingdom
- Volunteers
- 88 people, healthy volunteers welcome
- Sponsor
- University of Oxford
Intoxication by Drug
Concentrations of Nitrous Oxide in Blood, Exhaled Air and Urine After Various Types of Exposure.
The study examines the concentrations of nitrous oxide that are achieved in blood, exhaled air, and urine after three different exposures to nitrous oxide: inhalation of three or four cartridges of nitrous oxide released in a car…
- Trial name
- NCT07690358
- Testing
- Nitrous Oxide 99 %, Nitrous Oxide + Oxygen Gas
- Where
- Denmark
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
Raynaud Disease, Hyperemia
PORH and Response to Cold in Raynaud's Phenomenon.
The main objective of the study is to determine if implication of epoxy-eicosatriénoïc acids (EETs) and NO during cutaneous post-occlusive hyperemia differs between patients with Raynaud phenomena and healthy volunteers, by…
- Conditions
- Raynaud Disease, Hyperemia, Cold
- Trial name
- REFRAIN (NCT02183779)
- Testing
- post-occlusive hyperemia, cooling box, L-NMMA and Fluconazole dermic injection
- Where
- France
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University Hospital, Grenoble
Nitrous Oxide
Nitrous Oxide for Pain Management During In-Office Gynecology Procedures
The purpose of this study is to evaluate the pain control, patient satisfaction, and efficiency of nitrous oxide used for anesthesia during in-office gynecologic procedures compared to IV sedation.
- Trial name
- NO2 (NCT06661005)
- Testing
- Nitrous oxide, IV Sedation
- Where
- United States
- Volunteers
- 3 people, healthy volunteers welcome
- Sponsor
- University of Arizona
Opioid-Related Disorders, Substance-Related Disorders
Effects of Subanesthetic Concentrations of Isoflurane/Nitrous Oxide - 3
The purpose of this study is to conduct experiments to examine subjective and reinforcing effects of nitrous oxide. Mood altering and psychomotor effects will be tested on non-drug abusers and preference procedures will be used…
- Trial name
- NCT00000251
- Testing
- 30% N2O, 0.2% isoflurane, 0.4% isoflurane
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of Chicago
Depressive Disorder, Major, Depressive Disorder, Treatment-Resistant
NMDA Receptor Antagonist Nitrous Oxide Targets Affective Brain Circuits
Most clinical major depression responds to standard treatments (medication and psychotherapy); however, a significant subset of depressed patients (15-20%) do not respond to these treatments and are referred to as…
- Trial name
- NCT02994433
- Testing
- Nitrous Oxide, MRI
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Washington University School of Medicine
Opioid-Related Disorders, Substance-Related Disorders
Effects of Nitrous Oxide: A Dose-Response Analysis - 5
The purpose of this study is to conduct experiments to examine subjective and reinforcing effects of nitrous oxide. Mood altering and psychomotor effects will be tested on non-drug abusers and preference procedures will be used…
- Trial name
- NCT00000253
- Testing
- 10% N2O, 20% N2O, 30% N2O
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- University of Chicago
Behavior, Child
Oral Sedation With and Without Nitrous Oxide
Aims: The objective of the current study was to evaluate the effectiveness of oral midazolam-hydroxyzine with/without nitrous oxide. Design: This was a randomized split mouth, cross over and triple-blinded clinical study.
- Trial name
- NCT03728894
- Testing
- Midazolam-hydroxyzine with 100% O2, Midazolam-hydroxyzine with 50% N2O/O2
- Where
- Syria
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Latakia University
Periodontal Inflammation
The Effect of Low-Level Laser Therapy as an Adjunct to Non-surgical Therapy in Different Age Groups
the summary is to evaluate The Effect of Low-Level Laser Therapy as an Adjunct to Non-surgical Therapy on Inducible Nitrous Oxide Synthase Salivary Levels in Different Age Groups of Chronic Periodontitis Patients
- Trial name
- NCT06140394
- Testing
- diode laser, non surgical scaling
- Where
- 2 sites in Egypt
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Faculty of Dental Medicine for Girls
Local Anesthetic Efficacy
Effectiveness of Nitrous Oxide 50% for Reducing Pain and Distress Associated with Needle-stick in Children
Venipuncture (puncturing of a vein) through the skin in order to insert a vein catheter (also know as cannula) is one of the most common needle-related medical procedures performed in children.
- Trial name
- NCT03342079
- Testing
- Local Anesthetics,(lidocaine 70 mg/tetracaine 70 mg topical patch; Synera)
- Volunteers
- healthy volunteers welcome
- Sponsor
- Boston Children's Hospital