Clinical trials: Hyperoxia
Hyperoxia, Cardiac Surgery
Oxygenation Targets in Cardiac Surgery Patients - a Before-and-after Study
During surgery high concentrations of supplementary oxygen are routinely administrated. However, there is increasing evidence of potential harm with liberal oxygen therapy.
- Conditions
- Hyperoxia, Cardiac Surgery, Cardiopulmonary Bypass, Acute Lung Injury
- Trial name
- NCT04133740
- Testing
- Oxygen
- Where
- Denmark
- Volunteers
- 50 people
- Sponsor
- Aalborg University Hospital
Hyperoxia, Perioperative Care
Perioperative Hyperoxia vs Normoxia Biomarker Trial
This single-center randomized interventional study evaluated the biological effects of two perioperative oxygen strategies in adults undergoing elective laparoscopic lower abdominal surgery under standardized general anesthesia.
- Conditions
- Hyperoxia, Perioperative Care, Oxidative Stress, Endothelial Glycocalyx Injury
- Trial name
- NCT07525661
- Testing
- Perioperative Oxygen Strategy - Normoxia, Perioperative Oxygen Strategy-Hyperoxia
- Where
- Turkey (Türkiye)
- Volunteers
- 76 people
- Sponsor
- Istanbul University
Hypovolemia, Hyperoxia
Supplemental Oxygen in Hypovolemia
Supplemental oxygen is frequently administered in acutely and critically ill patients, specifically, it is often administered in trauma patients to avoid arterial hypoxemia and tissue hypoxia.
- Trial name
- NCT05150418
- Testing
- Oxygen gas, Air
- Where
- Norway
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Oslo University Hospital
Hyperoxia, Hypoxia
Computer-assisted Oxygen Therapy Weaning in Critically Ill Children
The study is designed to evaluate the feasibility, safety and clinical utility of using an adaptive model to wean oxygen by computer assistance.
- Trial name
- NCT03550469
- Testing
- Computer-assisted Oxygen Weaning
- Where
- United States
- Volunteers
- 31 people
- Sponsor
- Stanford University
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
Stroke, Endovascular Treatment
Normobaric Hyperoxia Combined With Endovascular Treatment for Acute Ischemic Stroke
The purpose of this study is to evaluate the safety and efficiency of normobaric hyperoxia combined with endovascular treatment for acute ischemic stroke patients with stroke onset 6-24 hours.
- Conditions
- Stroke, Endovascular Treatment, Neuroprotection
- Trial name
- NCT05128422
- Testing
- Normobaric oxygen therapy
- Where
- China
- Volunteers
- 120 people
- Sponsor
- Capital Medical University
PaO2/FiO2 Ratio
The Effect of FiO2 on PaO2/FiO2 Ratio
The PaO2/FiO2 ratio is frequently used to determine the severity of lung injury in mechanically ventilated patients. However, several mathematical models have shown that PaO2/FiO2 ratio depends on FiO2.
- Trial name
- NCT03156218
- Testing
- Modulation of FiO2
- Where
- Netherlands
- Volunteers
- 20 people
- Sponsor
- Amsterdam UMC, location VUmc
Cardiac Arrest
Reoxygenation After Cardiac Arrest (REOX Study)
The broad objective of this study is to test the association between hyperoxia exposure after resuscitation from cardiac arrest and outcome.
- Trial name
- REOX (NCT01881243)
- Where
- 5 sites in United States
- Volunteers
- 280 people
- Sponsor
- The Cooper Health System
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
Pulmonary Atelectasis
Atelectasis Formation: Role of Positive Pressure Breathing, Hyperoxia, and Hypobaria
The primary aim of this project is to get further knowledge of the physiology of flight atelectasis and its prevention. We seek to: 1) assess whether low levels of positive pressure breathing can prevent atelectasis formation in…
- Trial name
- NCT03311347
- Testing
- +Gz accelerations and positive pressure breathing
- Where
- 2 sites in France
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Direction Centrale du Service de Santé des Armées
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
Anesthesia, Atelectasis
Comparison of Two FiO2 (1 or 0.5) for Tracheal Extubation in Post-anesthesia Care Unit
The purpose of the study is to assess the optimal fraction of inspired oxygen (0.5 or 1) for extubation or removal of a supraglottic airway device after general anesthesia.
- Conditions
- Anesthesia, Atelectasis, Postoperative Complications, Hypoxemia
- Trial name
- EXTUBO2 (NCT04879290)
- Testing
- FiO2 0.5, FiO2 1
- Where
- France
- Volunteers
- 119 people
- Sponsor
- University Hospital, Caen
Coronary Artery Disease, Anesthesia
Myocardial Strain Analysis in Anaesthetized Coronary Artery Disease Patients During Hyperoxia and Normoxaemia
The purpose of this study is to investigate the impact of supraphysiologic oxygen (hyperoxia) on myocardial function in anaesthetized patients with coronary artery disease.
- Trial name
- Strecho-O₂ (NCT04424433)
- Testing
- Oxygen
- Where
- Switzerland
- Volunteers
- 106 people
- Sponsor
- Insel Gruppe AG, University Hospital Bern
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
Septic Shock, Adult Respiratory Distress Syndrome
Hyperoxia and Hypertonic Saline in Septic Shock
Assessment of the effect of hyperoxia and hypertonic saline on survival in patients with septic shock Hyperoxia and hypertonic saline may have beneficial effects on organ perfusion and oxygenation and may reduce the organ failure…
- Trial name
- Hyper2S (NCT01722422)
- Testing
- oxygen and saline
- Where
- France
- Volunteers
- 441 people
- Sponsor
- University Hospital, Angers
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
Acute Ischemic Stroke
Normobaric Hyperoxia Combined With Intravenous Thrombolysis for Acute Ischemic Stroke (OPENS-3)
The purpose of this study is to determine the efficacy and safety of Normobaric Hyperoxia combined with intravenous thrombolysis for acute ischemic stroke.
- Trial name
- NCT05965687
- Testing
- Normobaric Hyperoxia, Nasal oxygen, Intravenous thrombolysis(rt-PA)
- Where
- China
- Volunteers
- 1,230 people
- Sponsor
- Ji Xunming,MD,PhD
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
Retinal Ischemia
Oxygen Therapy for Retinal Ischemia
The investigators will be using nocturnal normobaric hyperoxia therapy in patients with diagnoses of conditions related to retinal ischemia.
- Trial name
- NCT03730779
- Testing
- Hyperoxia
- Where
- United States
- Sponsor
- Beth Israel Deaconess Medical Center