Clinical trials: Hypoxemia
Vasodilation, Hypoxia
Sex-related Differences in Sympathetic Vascular Transduction in the Setting of Hypoxemia
The purpose of this project is to identify sex-related differences in the effect of hypoxia on sympathetic vascular transduction.
- Trial name
- NCT05256069
- Testing
- Propranolol Pill
- Where
- United States
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- University of Missouri-Columbia
Hypoxemia, Acute Mountain Sickness (AMS)
The Role of Acetazolamide in Mitigating Inflammation and Innate Immune Activation at High Altitude
High altitude travel can lead to inflammation in the body and activation of innate immune cells. The investigators' prior research demonstrates that 1 to 3 days at 3800 m elevation leads to increased expression of genes in blood…
- Conditions
- Hypoxemia, Acute Mountain Sickness (AMS), Inflammation, Immune Response
- Trial name
- NCT07517068
- Testing
- ACETAZOLAMIDE oral capsule
- Where
- United States
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- University of California, Riverside
Obstructive Sleep Apnea, Hypoxemia
Mechanisms of Endothelial Cell Dysfunction in Sleep Apnea
Sleep apnea is a common sleep disorder characterized by temporary stops in breathing during sleep and has been associated with the development of cardiovascular disease.
- Trial name
- NCT00859950
- Testing
- Continuous Positive Airway Pressure (CPAP)
- Where
- United States
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Weill Medical College of Cornell University
Hypoxemia, Altitude Hypoxia
Effects of Continuous Positive Airway Pressure on Peripheral Oxygen Saturation, Work of Breathing, and Exercise Tolerance at Altitude
Dyspnea and exercise intolerance are well known to travelers who have experienced time at high elevations, greater than 2500 meters (8200 feet).
- Trial name
- NCT05971290
- Testing
- Continuous positive airway pressure, Ambient air
- Where
- United States
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Hypoxic Pulmonary Vasoconstriction, Hypoxemia
Effects in Oxygenation and Hypoxic Pulmonary Vasoconstriction in ARDS Secondary to SARS-CoV2
Summary Currently, the COVID-19 pandemic has overtaken health systems worldwide, exceeding the capacity of intensive care units.
- Conditions
- Hypoxic Pulmonary Vasoconstriction, Hypoxemia, Acute Respiratory Distress Syndrome, SARS-CoV-2 Acute Respiratory Disease
- Trial name
- COVID-19 (NCT04998253)
- Testing
- Effects in oxygenation and hypoxic pulmonary vasoconstriction
- Where
- Mexico
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Unidad Temporal COVID-19 en Centro Citibanamex
Hypoxemia, Trauma
Comparison of Pharyngeal Oxygen Delivery by Different Oxygen Masks
The intent of this study is to determine the difference in pharyngeal oxygen concentration in patients who have a natural airway (not intubated) using commonly available oxygen delivery systems.
- Conditions
- Hypoxemia, Trauma, Acute Myocardial Infarction
- Trial name
- NCT02523586
- Testing
- Oxygen administration
- Where
- United States
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Oregon Health and Science University
Pulmonary Arteriovenous Malformations, Hereditary Hemorrhagic Telangiectasia
Cardiopulmonary Exercise Testing to Evaluate Pulmonary AVMs
Pulmonary arteriovenous malformations (PAVMs) are a rare vascular condition affecting the lungs. PAVMs lead to low blood oxygen levels, yet are very well tolerated by patients.
- Trial name
- NCT02436213
- Testing
- Cardiopulmonary exercise test, Blood test
- Where
- United Kingdom
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- Imperial College London
Hypoxemia
Capnography Monitoring During Intravenous Conscious Sedation Sedation With Midazolam for Oral Surgery
Dentists use sedation to help patients accept difficult procedures and to relieve anxiety. During sedation, the well-being of the patient is monitored by the dental team.
- Trial name
- NCT01949012
- Testing
- Capnography
- Where
- Ireland
- Volunteers
- 190 people, healthy volunteers welcome
- Sponsor
- University College Cork
Hypoxemia
Oxygen Delivery Methods of Nasal Catheter on the Incidence of Hypoxemia in Patients With Painless Gastroscopy
In this study, patients undergoing painless gastroscopy were selected to change the nasal catheter oxygen delivery mode to oral oxygen delivery after endoscope implantation, in order to explore the effect of this oxygen delivery…
- Trial name
- NCT06139081
- Testing
- Oxygen delivery mode
- Where
- China
- Volunteers
- 648 people, healthy volunteers welcome
- Sponsor
- Nanjing First Hospital, Nanjing Medical University
Hypoxia
Integrated Pulmonary Index Monitoring on the Incidence of Hypoxemia in Elderly Patients With Painless Colonoscopy
The purpose of this clinical trial is to integrated pulmonary index to see if there is an effect on the incidence of hypoxemia during painless colonoscopy in older patients.
- Trial name
- NCT06987630
- Testing
- monitor integrated pulmonary index（IPI） and take appropriate measures
- Where
- China
- Volunteers
- 153 people, healthy volunteers welcome
- Sponsor
- The First People's Hospital of Lianyungang
Hypoxemia, Complications
Capnography During Colonoscopy
In the study the value of capnography for avoiding complications during sedation for colonoscopy is evaluated.
- Trial name
- ColoCap (NCT01072487)
- Testing
- Capnography
- Where
- 3 sites in Germany
- Volunteers
- 760 people, healthy volunteers welcome
- Sponsor
- Technical University of Munich
Hypoxemia
Does Capnography Prevent Hypoxemia During Endoscopic Retrograde Cholangiopancreatography and Endoscopic Ultrasound?
Subjects undergoing elective ERCP and EUS will receive standard monitoring and sedation. In addition, capnography which measures carbon dioxide levels and can graphically assess respiratory activity will be used.
- Trial name
- NCT00675415
- Testing
- Capnography
- Where
- United States
- Volunteers
- 263 people, healthy volunteers welcome
- Sponsor
- The Cleveland Clinic
Hypoxemia, Desaturation of Blood
Alternate Methodology of Pulse Oximeter Validation
This study will determine if the replacement of the measured arterial blood oxygen saturation with expired (end-tidal) oxygen value is an acceptable method to calculate the accuracy of pulse oximeters.
- Trial name
- NCT03628560
- Testing
- RespirAct Step-Wise Normocapnia desaturation sequence, RespirAct Slope Normocapnia desaturation sequence, RespirAct Step-Wise Hypocapnia desaturation sequence
- Where
- United States
- Volunteers
- 2 people, healthy volunteers welcome
- Sponsor
- Duke University
Hypoxemia, Airway Management
Multifunctional Oropharyngeal Airway and Hypoxemia in Sedated GI Endoscopy: A Multicenter RCT
This multicenter, prospective, randomized controlled trial aims to evaluate whether a novel multifunctional oropharyngeal airway (MOPA) reduces the incidence of hypoxemia in 1,518 adult patients (ASA I-II, aged 18-80 years)…
- Trial name
- NCT07623863
- Testing
- Novel Multifunctional Oropharyngeal Airway
- Volunteers
- 1,518 people, healthy volunteers welcome
- Sponsor
- Qianfoshan Hospital
Hypoxemia
Effects of Acute Intermittent Hypoxia on Brain Function Imaging and Systemic Inflammation
Effects of acute intermittent hypoxia on brain function imaging and systemic inflammation Patients with obstructive sleep apnea (OSAS) may have neurological cognitive impairment. The reason is not clear.
- Trial name
- NCT03453697
- Testing
- acute intermittent hypoxia
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Xinhua Hospital, Shanghai Jiao Tong University School of Medicine
In the Study the Value of Capnography for Avoiding Complications During Sedation for PEG is Evaluated.
Capnography During Percutaneous Endoscopic Gastrostomy (PEG)
In this randomized controlled trial the utility of capnography gets evaluated. Hypoxemia may occur during sedation with midazolam and propofol.
- Trial name
- PEG (NCT01242358)
- Testing
- Capnography, Standard monitoring
- Where
- 3 sites in Germany
- Volunteers
- 170 people, healthy volunteers welcome
- Sponsor
- Ruhr University of Bochum
Pain, Hypoxemia
Effects of Walking Apnea At Low Lung Volume on Hypoalgesia
The aim of this randomized controlled study is to explore the hypoalgesic response of a 6 minutes of intermittent walking apneas training session at low lung volume in healthy subjects; also, as secondary objectives, to analyze…
- Conditions
- Pain, Hypoxemia, Hypercapnia, Apneas
- Trial name
- NCT06638515
- Testing
- Walking apnea at Low Lung Volume, Walking at normal breathing
- Where
- Spain
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Universidad Rey Juan Carlos
Intubation Complication, Preoxygenation
PreOxygenation for EndoTracheal Intubations
Hypoxemia is a life threatening complication during emergency airway management. Despite advances in technology and training, hypoxemia still occurs in up to a quarter of all intubations placing patients at high risk for damage…
- Conditions
- Intubation Complication, Preoxygenation, Hypoxemia
- Trial name
- POET (NCT03240614)
- Testing
- Non-rebreather oxygen mask, Bag-valve-mask, High Flow Nasal Cannulae
- Where
- Canada
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- Nova Scotia Health Authority
Hypoxemia
The Effects of Wearing a Face Mask During Exercise in Youth Hockey Players During COVID-19
There is concern that wearing a face mask during COVID will affect oxygen uptake, especially during intense exercise. COVID transmission is especially prevalent in sports such as hockey, where there is close contact between…
- Trial name
- NCT04874766
- Testing
- Wingate exercise test and on-ice testing while wearing a face mask
- Where
- Canada
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- University of Saskatchewan
Exercise-induced Arterial Hypoxemia
Cytokine and Stress Hormone Responses to Exercise-induced Hypoxemia Among Endurance-trained
It is well documented that exercise-induced arterial hypoxemia (EIAH) is highly prevalent among endurance-trained athletes performing heavy intensity exercise, regardless of sex and age.
- Trial name
- NCT04305873
- Where
- Israel
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Gepner Yftach