Clinical trials: Hyperoxia
Hyperoxemia, Cerebrovascular Circulation
HYPER MIND - Hyperoxia Effects on Cerebral Hemodynamics
This study aims to better understand how short periods of exposure to high oxygen levels affect blood flow in the brain of patients who are intubated and mechanically ventilated in the Intensive Care Unit (ICU).
- Conditions
- Hyperoxemia, Cerebrovascular Circulation, Cerebral Autoregulation, Critical Illness
- Trial name
- HYPER-MIND (NCT07377162)
- Testing
- Normobaric Hyperoxic Stimulus (NBHO)
- Where
- Belgium
- Volunteers
- 80 people
- Sponsor
- Erasme University Hospital
One Lung Ventilation in Thoracic Surgery
Oxygen Reserve Index Guided FiO₂ Titration in One-Lung Ventilation
One-lung ventilation (OLV) is routinely used during thoracic surgery to facilitate surgical exposure but is associated with an increased risk of intraoperative hypoxemia.
- Trial name
- NCT07359833
- Testing
- Oxygen Reserve Index (ORi)-guided oxygen titration
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people
- Sponsor
- Gazi University
Hypoxia, Brain, Hyperoxia
The Effect of Respiratory Challenge on the BOLD Signal
The purpose of this research study is to better understand how blood flow and metabolism are different between normal controls and patients with disease.
- Conditions
- Hypoxia, Brain, Hyperoxia, Hypercapnia, Hypocapnia
- Trial name
- NCT04258774
- Testing
- Carbon Dioxide
- Where
- United States
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Washington University School of Medicine
Hyperoxia / High FiO₂ Exposure, Uric Acid/Albumin Ratio (UAR)
Association Between Early FiO₂ Exposure and Changes in the Uric Acid/Albumin Ratio in Septic ICU Patients
This prospective, non-interventional study aims to investigate the relationship between early oxygen exposure and oxidative stress in adult intensive care unit (ICU) patients diagnosed with sepsis or septic shock.
- Trial name
- NCT07332637
- Testing
- Oxygen Exposure (Fraction of Inspired Oxygen, FiO₂) - Standard of Care (Observational, No Experimental Intervention)
- Volunteers
- 110 people
- Sponsor
- Istinye University
Hyperbaric Oxygen Therapy
Effect of Hyperbaric Oxygen Therapy on Microcirculation
Previous studies shoes that hyperoxia alters microcirculation.The investigators hypothesize that hyperbaric may restore microcirculation integrity.
- Trial name
- MICROHB (NCT03980210)
- Testing
- Hyperbaric oxygen therapy
- Where
- France
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- University Hospital, Lille
Atelectasis, Lung Ultrasonography Score
Can Atelectasis Be Prevented With Oxygen Reserve Index (ORI) Monitoring?
This single-center randomized controlled trial aims to evaluate whether intraoperative monitoring using the Oxygen Reserve Index (ORI) reduces the incidence of postoperative atelectasis, as assessed by lung ultrasound (LUS), in…
- Conditions
- Atelectasis, Lung Ultrasonography Score, Hyperoxia
- Trial name
- NCT07050719
- Testing
- Peripheral Oxygen Saturation (SpO₂) Group, Peripheral Oxygen Saturation and Oxygen Reserve Index (SpO₂-ORI) Group
- Where
- Turkey (Türkiye)
- Volunteers
- 58 people
- Sponsor
- Antalya Training and Research Hospital
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
Preterm
Automated Versus Manual Oxygen Control in Preterm Babies on Respiratory Support
Babies admitted in the NICU (neonatal intensive care unit) frequently need supplemental oxygen to keep their oxygen saturation (SpO2) in target range (TR).
- Trial name
- NCT06622161
- Testing
- automated oxygen vs manual oxygen
- Where
- Pakistan
- Volunteers
- 26 people
- Sponsor
- Aga Khan University Hospital, Pakistan
Rhinoplasty, Oxidative Stress
Effect of ORI-guided Oxygen Titration on Oxidative Stress in Rhinoplasty Surgery
The aim of this study is to evaluate whether the use of Oxygen Reserve Index (ORİ) can prevent hyperoxia in patients undergoing rhinoplasty surgery and whether it can reduce oxidative stress caused by hyperoxia.
- Conditions
- Rhinoplasty, Oxidative Stress, Hyperoxia, Oxygen Reserve Index
- Trial name
- NCT07158073
- Testing
- FiO₂ titration, under the guidance of ORI, Conventional oxygen administration
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people
- Sponsor
- Dr. Lutfi Kirdar Kartal Training and Research Hospital
Oxygen Toxicity, COPD Exacerbation
Automated Adjustment of Oxygen on Patient With Acute COPD Exacerbation - FreeO2 HypHop
The aim of this study is to evaluate if automated adjustment of oxygen (with FreeO2 device) can reduce the hospital length of stay for acute exacerbation of COPD with comparison of manual oxygen titration.
- Conditions
- Oxygen Toxicity, COPD Exacerbation, Hyperoxia, Hypoxemia
- Trial name
- FreeO2 HypHop (NCT03835741)
- Testing
- FreeO2, manual titration
- Where
- Canada
- Volunteers
- 17 people
- Sponsor
- Laval University
Hyperoxia, Hypoxia
NICU Oxygen Control Study
Prematurely born infants in the hospital neonatal intensive care unit (NICU) will be included in the study. This clinical trial is a randomized crossover study to show that our automated oxygen control device performance is no…
- Trial name
- NCT04269161
- Testing
- Automatic control of inspired oxygen
- Where
- 2 sites in United States
- Volunteers
- 48 people
- Sponsor
- University of Missouri-Columbia
Hypoxemia, Hyperoxia
Oximeters and Skin Pigment: Impact of Skin Pigmentation on Accuracy of Pulse Oximetry
Finger pulse oximetry SpO2 is widely used to estimate arterial oxygen saturation SaO2. Current Spo2 targets do not take into consideration the many variables that affect that correlation in particular skin pigmentation.
- Conditions
- Hypoxemia, Hyperoxia, Pigment Skin
- Trial name
- NCT05690269
- Testing
- SpO2 and SaO2 comparison
- Where
- United States
- Volunteers
- 232 people
- Sponsor
- University of Cincinnati
Recurrence, Survival Rate
Impact of Perioperative Hyperoxia on Cancer Recurrence and Mortality After Elective Colorectal Cancer Surgery
The goal of this observational study is to evaluate whether perioperative hyperoxia (FiO₂ > 0.8), compared to conventional oxygen therapy (FiO₂ < 0.4), is associated with increased cancer recurrence and mortality in patients…
- Conditions
- Recurrence, Survival Rate, Mortality, Colorectal Surgery
- Trial name
- OncO2 (NCT06989346)
- Where
- Spain
- Volunteers
- 403 people
- Sponsor
- Parc de Salut Mar
Normobaric Hyperoxia, Intracerebral Hemorrhage
Normobaric Hyperoxia for Intracerebral Hemorrhage
Perihematoma edema (PHE), as the major injury for intracranial hemorrhage (ICH) involves more than the initial tissue damage induced directly by the hematoma.
- Trial name
- NCT04144868
- Testing
- Oxygen storage face masks and nasal catheter, Nasal catheter
- Where
- China
- Volunteers
- 96 people
- Sponsor
- Capital Medical University
Hyperoxia
Electronic Optimization of Inspired Oxygen During Mechanical Ventilation, a Pragmatic Randomized Trial (OPTI-Oxygen)
OPTI-Oxygen is a single center, stepped wedged, cluster-randomized, un-blinded, pragmatic, comparing the use of a combined inspired oxygen (FiO2) and peripheral oxygen saturation (SpO2) titration strategy utilizing electronic…
- Trial name
- NCT05923853
- Testing
- FiO2 titration using electronic alert system
- Where
- United States
- Volunteers
- 936 people
- Sponsor
- Ohio State University
Critical Illness, Wounds and Injury
Strategy to Avoid Excessive Oxygen for Critically Ill Trauma Patients
The objective is to determine the effectiveness of a multimodal educational intervention to reduce supplemental oxygen use in critically injured patients.
- Conditions
- Critical Illness, Wounds and Injury, Disease Attributes, Pathologic Processes
- Trial name
- SAVE-O2 (NCT04534959)
- Testing
- Targeting Normoxemia (SpO2 90-96%; PaO2 60-100 mmHg)
- Where
- 8 sites in United States
- Volunteers
- 6,000 people
- Sponsor
- University of Colorado, Denver
Critical Illness, Wounds and Injury
Strategy to Avoid Excessive Oxygen in Major Burn Patients
The objective is to determine the effectiveness of a multimodal educational intervention to reduce supplemental oxygen use in major burn patients.
- Conditions
- Critical Illness, Wounds and Injury, Disease Attributes, Pathologic Processes
- Trial name
- SAVE-O2 (NCT04534972)
- Testing
- Targeting Normoxemia (SpO2 90-96%; PaO2 60-100 mmHg)
- Where
- 6 sites in United States
- Volunteers
- 2,000 people
- Sponsor
- University of Colorado, Denver
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.
Cardiogenic Shock, Extracorporeal Membrane Oxygenation
Normoxemic Versus Hyperoxemic Extracorporeal Oxygenation in Patients Supported by Veino-arterial ECMO for Cardiogenic Shock
Because of dual oxygenation and oxygenator performance (PO2 postoxygenator up to 500 mmHg), hyperoxemia (PaO2 > 150 mmHg) is frequent in veino-arterial ECMO, especially in the lower part of the body, which is mainly oxygenated by…
- Trial name
- ECMOxy (NCT04990349)
- Testing
- Oxygen gas
- Where
- France
- Volunteers
- 60 people
- Sponsor
- Centre Hospitalier Universitaire de Besancon
Coronary Artery Disease, Anesthesia
Influence of Oxygen on Perioperative Outcome in Patients Undergoing General Anaesthesia for Elective Non-cardiac Surgery
The purpose of this study is to investigate the impact of supraphysiologic oxygen (hyperoxia) on myocardial function in anaesthetized patients undergoing non-cardiac vascular surgery.
- Trial name
- Promise-O2 (NCT04808401)
- Testing
- Oxygen
- Where
- Switzerland
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern