Clinical trials: Hyperoxia
Hypoxia, Hyperoxia
Different Preoxygenation Methods In Cesarean Section
The study aimed to evaluate different preoxygenation methods (tidal volume for 3 minutes and 4 deep breaths) in pregnant women with oxygen reserve index (ORI).
- Trial name
- NCT05395975
- Testing
- Oxygen Reserve Index
- Where
- Turkey (Türkiye)
- Volunteers
- 1 people, healthy volunteers welcome
- Sponsor
- Zonguldak Bulent Ecevit University
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS) (ICD-10 G93.3)
Investigating the Effects of Intermittent Hypoxia-Hyperoxia Treatment (IHHT) in People With Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS) to Improve Fatigue, Pain, and Quality of Life by Targeting Mitochondrial Dysfunction and Autonomic Nervous System Impairment
This study is testing a new treatment for people with Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS) and long-term symptoms after COVID-19.
- Trial name
- REenergizeME (NCT07317401)
- Testing
- Intermittent hypoxia-hyperoxia treatment (IHHT)
- Where
- Denmark
- Volunteers
- 104 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
Stress, Hyperoxia
Intraoperative Different Concentrations Oxygen And Oxidatıve Stress Markers
The aim of the study was to assess the effect of intraoperative oxygen (O2), which was applied at 30% and 50% concentrations on patients who had undergone septoplasty surgery, on Total Oxidant Status (TOS), Total Antioxidant…
- Trial name
- NCT05099523
- Testing
- taking arterial blood sample through the injector
- Where
- Turkey (Türkiye)
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Zonguldak Bulent Ecevit University
Hyperoxemia, Oxygen Reserve Index
Oxygen Reserve Index and Prevention of Hyperoxemia
In patients under general anesthesia, the oxygen level (FiO2) used in inspiration is usually adjusted by monitoring the peripheral oxygen saturation level (SpO2).
- Conditions
- Hyperoxemia, Oxygen Reserve Index, Hyperoxia, Fraction of Inspired Oxygen
- Trial name
- NCT05505032
- Testing
- Oxygen, Masimo Root Radical 7
- Where
- Turkey (Türkiye)
- Volunteers
- 108 people, healthy volunteers welcome
- Sponsor
- Baskent University Ankara Hospital
Hyperoxia
Assessment of Oxygenation With Oxygen Reserve Index for General Anesthesia
To assess oxygenation with the oxygen reserve index in desflurane anesthesia administration using low and high fresh gas flows for tympanomastoidectomy surgeries.
- Trial name
- NCT04698863
- Testing
- Oxygen reserve index
- Where
- Turkey (Türkiye)
- Volunteers
- 2 people, healthy volunteers welcome
- Sponsor
- Zonguldak Bulent Ecevit University
Retinopathy of Prematurity
Time Outside Target Oxygen Saturation Range in Preterm Infants and Long Term Outcomes and Preterm Infants
The purpose of this study is to determine if there is a relationship between time spent out the targeted oxygen saturation range in preterm infants is associated with long-term outcomes such as Retinopathy of Prematurity.
- Trial name
- SAT01ROP (NCT00845624)
- Where
- United States
- Volunteers
- 102 people, healthy volunteers welcome
- Sponsor
- University of Virginia
Oxygen Toxicity, Oxidative Stress
Effect of Hydrogen Gas on Hyperbaric Oxygen Toxicity
The goal of this trial is to investigate whether adding a small fraction of hydrogen gas to an oxygen-enriched breathing mixture can reduce pulmonary oxygen toxicity (POT) in healthy and active divers from the Swedish Armed…
- Conditions
- Oxygen Toxicity, Oxidative Stress, Hyperoxia, Hyperbaric Oxygen
- Trial name
- NCT07263399
- Testing
- Inhaled Hydrogen-Enriched Oxygen Gas, Inhaled Nitrogen-Enriched Oxygen Gas
- Where
- 2 sites in Sweden
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Blekinge Institute of Technology
Hyperoxia
Proteomics for Identification of Hyperoxia-induced Changes in Protein Expression
Aim of the present study is to investigate the influence of hyperoxia on the protein expression using the differential analysis of protein expression in tissues (proteomics).
- Trial name
- NCT02553668
- Testing
- Oxygen (FiO2 1,0), Facemask
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University Hospital of Cologne
Atelectasis
Effect of Hyperoxia and Hypergravity on Lung Ventilation and Perfusion
The primary aim of this project is to get further knowledge on the effects of + Gz accelerations and hyperoxia on lung ventilation in humans.
- Trial name
- NCT01993394
- Testing
- hypergravity, gas mixture
- Where
- 2 sites in France
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Direction Centrale du Service de Santé des Armées
Oxygen Toxicity, Pulmonary Injury
Hyperoxia Induced Pulmonary Inflammation and Organ Injury: a Human in Vivo Model
Oxygen is the most commonly administered therapy in critical illness. Accumulating evidence suggests that patients often achieve supra-physiological levels of oxygenation in the critical care environment.
- Conditions
- Oxygen Toxicity, Pulmonary Injury, Acute Lung Injury
- Trial name
- NCT05414370
- Testing
- Liquid oxygen, medical air
- Where
- United Kingdom
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- Belfast Health and Social Care Trust
Chronic Obstructive Pulmonary Disease
Effect of Supplemental Oxygen on Maximal Oxygen Consumption in Patients With Chronic Obstructive Pulmonary Disease
Maximal consumption of oxygen (VO2max) during exercise is used in patients with chronic obstructive pulmonary disease (COPD) to stratify perioperative risk.
- Trial name
- NCT01294033
- Testing
- Fractional inspired oxygen (FiO2) 0.21, Fractional inspired oxygen 0.28
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Beth Israel Deaconess Medical Center
Hyperoxia
Hyperoxygenation in Anesthetized Children
This study is aiming at assessing the effect of inspired oxygen fraction during general anesthesia on children's lung mechanics and volume.
- Trial name
- OXPED (NCT02384616)
- Testing
- Oxygen
- Where
- Switzerland
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- Walid HABRE
Coronary Artery Disease
Impact of Breathing Maneuvers on the Oxygenation Supply of the Heart Assessed With MRI in Patients With Coronary Artery Disease
Patients with an impaired blood supply of the heart routinely receive oxygen in order to improve or preserve the oxygen supply of the heart muscle in acute cardiac care.
- Trial name
- CADOS-CMR (NCT02233634)
- Testing
- Oxygen, Hyperventilation Breath-hold (HVBH), HVBH with Oxygen
- Where
- Switzerland
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern
To Investigate the Effect of 100% Oxygen Breathing on Fluorescence Lifetime Imaging Ophthalmoscopy (FLIO) in Healthy Subjects
The Effect of Hyperoxia and Hypoxia on Fluorescence Lifetime Imaging Ophthalmoscopy in Healthy Subjects- a Randomized, Double Blind, Crossover Study
The present study aims to investigate whether FLIO can also detect shorttime changes in retinal metabolism induced by hyperoxia and hypoxia.
- Trial name
- NCT04094285
- Testing
- SAUERSTOFF, STICKSTOFF
- Where
- Austria
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Cerebrovascular Disorders
HYPEROXIA Responses and ROS
30 participants (15 males and 15 females) who are ≥18 - ≤ 40 years old and considered healthy will be enrolled into this study to test the role of reactive oxygen species (ROS) in regulating cerebral blood flow (CBF).
- Trial name
- NCT05958303
- Testing
- Antioxidant Cocktail
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Hypoxia, Normoxia
Effects of Oxygen Status on Endotoxemia Induced Inflammation and Hypoxia Inducible Factor-1α
Oxygen is a widely available gas that is cheap, easy to get and extensively used in medicine. From animal studies it has become apparent that increasing or lowering the degree of oxygen in the blood, the inflammatory response can…
- Conditions
- Hypoxia, Normoxia, Hyperoxia
- Trial name
- NCT01978158
- Testing
- Lipopolysaccharide
- Where
- Netherlands
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Radboud University Medical Center
Hyperoxia, Hypoxia
The Association Between Sensory Block Level, Oxygen Therapy, and ORi in Varicose Vein Patients Undergoing Spinal Anesthesia (ORi: Oxygen Reserve Index)
The assessment of peripheral capillary oxygen saturation (SpO2) by pulse oximetry has become standard in perioperative care for the detection of hypoxaemia.
- Trial name
- ORi (NCT06566690)
- Testing
- Addition of ORi monitoring to SpO2 monitoring
- Where
- Turkey (Türkiye)
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- Kocaeli University
Hyperoxia, Delirium in Old Age
The Effect of Intraoperative Hyperoxemia on Postoperative Delirium in Geriatric Patients
Oxygen therapy is the most common treatment modality for patients with hypoxemia, but target values for normoxemia are not clearly defined. Therefore, iatrogenic hyperoxemia is a very common situation.
- Trial name
- NCT06326372
- Testing
- control, ORi+SpO2
- Where
- Turkey (Türkiye)
- Volunteers
- 114 people, healthy volunteers welcome
- Sponsor
- Tepecik Training and Research Hospital
Cognition
Acute Effects of Supplemental Oxygen on Memory Testing in Healthy Adult Volunteers
Forty healthy adults (i.e., not recruited with respect to any particular diagnosis) are each alternately provided with supplemental oxygen and air via nasal cannula at about 6 Liters per Minute (LPM), while completing memory…
- Trial name
- NCT06555484
- Testing
- Cross Over Assignment Supplemental Oxygen and Supplemental Air
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Inogen Inc.
Hypoxia, Hyperoxia
Effects of Oxygen Status on Hypoxia Inducible Factor 1-α and Inflammation. A Pilot Proof of Principle Study.
It has been shown in in vitro and animal models that hypoxia can have pro-inflammatory effects and hyperoxia can have anti-inflammatory effects.
- Trial name
- NCT01889823
- Testing
- Hypoxia, Hyperoxia
- Where
- Netherlands
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Radboud University Medical Center