Clinical trials: Perfusion and Hypoxia
Transcutaneous Monitoring, Microcirculation
Transcutaneous Monitoring of Oxygen and Carbon Dioxide in Surgical Patients
The study will investigate if non-invasive continuous transcutaneous blood gas monitoring can detect tissue perfusion and hypoxemia and the relation to other circulatory parameters such as pulse, blood pressure, cardiac output…
- Conditions
- Transcutaneous Monitoring, Microcirculation, Peripheral Perfusion, Tissue Metabolism
- Trial name
- NCT04040478
- Testing
- Transcutaneous monitoring
- Where
- Denmark
- Volunteers
- 30 people
- Sponsor
- Copenhagen University Hospital, Rigshospitalet
Perfusion and Hypoxia
Perfusion and Hypoxia Evaluation in Tumors Using 18F-FDG PET/CT
Investigators want to use 18F-FDG PET/CT imaging to reflect tumor perfusion and hypoxia.
- Trial name
- NCT03373994
- Testing
- 18F-FDG PET/CT initial-time imaging, 18F-FDG PET/CT balanced-time imaging
- Where
- China
- Volunteers
- 40 people
- Sponsor
- Harbin Medical University
Brain Hypoxia Ischemia
Continuous, Non-invasive Monitoring of Intraoperative Cerebral Perfusion and Oxidative Metabolism (CPOM)
This study uses a CPOM Optical neuromonitor to assess the relationship between brain cytochrome C oxidase, cerebral oxygen saturation and blood pressure during surgery performed under general anesthesia.
- Trial name
- NCT03907904
- Testing
- CPOM Optical Neuromonitor
- Where
- Canada
- Volunteers
- 50 people
- Sponsor
- Western University, Canada
Intermittent Hypoxemia, Apnea of Prematurity
Influence of Oxygen Target Range on Intermittent Hypoxemia in Preterm Infants
In this randomized crossover trial, preterm infants with intermittent hypoxemia and need for supplemental oxygen will be randomized to either Sequence of two different oxygen target ranges (low: 85-89%; high: 91-95%) for a total…
- Trial name
- NCT02743988
- Testing
- Oxygen
- Where
- Germany
- Volunteers
- 36 people
- Sponsor
- University of Ulm
Ischemic Stroke, Intracranial Aneurysm
Analysis of Selective Cerebrovascular Distribution With FDCT in the Angiosuite
The aim of this study is to evaluate the clinical feasibility of the angiographic Flat Detector CT perfusion imaging (6s PBV) technique.
- Conditions
- Ischemic Stroke, Intracranial Aneurysm, Intracranial Arterial Diseases, Cerebral Hypoxia
- Trial name
- NCT03916133
- Testing
- Intervention group
- Where
- Belgium
- Volunteers
- 127 people
- Sponsor
- University Hospital, Antwerp
Emphysema
Hypoxic Pulmonary Vasoconstriction Pilot Study
The purpose of this study is to determine if the events leading to smoking-associated centrilobular and paraseptal emphysema are caused by a failure of the lungs' inherent mechanisms to block hypoxic pulmonary vasoconstriction…
- Trial name
- NCT03733470
- Testing
- Sildenafil study group
- Where
- United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Eric A. Hoffman
Mechanical Ventilation Complication, Respiratory Failure
Effect of PEEP on Lung Regional Ventilation and Perfusion
Investigate effects of PEEP on pulmonary regional ventilation and perfusion assessed by EIT
- Conditions
- Mechanical Ventilation Complication, Respiratory Failure, Hypoxia
- Trial name
- PEEP (NCT04081155)
- Where
- China
- Volunteers
- 33 people
- Sponsor
- Yun Long
Intracranial Hemorrhage, Intraventricular Hemorrhage
Observational Study in Preterm Infants With Intracranial Hemorrhage
Intracranial Hemorrhage (ICH) is an important morbidity affecting premature infants and can have considerable effects on neurodevelopmental outcome.
- Conditions
- Intracranial Hemorrhage, Intraventricular Hemorrhage, Cerebral Hypoxia
- Trial name
- NCT01620203
- Testing
- No intervention/treatment is given
- Where
- United States
- Volunteers
- 27 people
- Sponsor
- Nelson Claure
Respiratory Failure, Hypoxemia
Application of Indicator Based-electrical Impedance Tomography Method Assess Lung Regional Perfusion in ICU Patients
This study is an observational study. Investigate the relationship of oxgenation and lung regional ventilation and perfusion assessed by the indicator based-EIT method in the critically ill patients in ICU
- Conditions
- Respiratory Failure, Hypoxemia, ARDS, Human
- Trial name
- NCT04081142
- Where
- China
- Volunteers
- 119 people
- Sponsor
- Yun Long
Squamous Cell Tumors of the Head and Neck
Chemo-Radiotherapy Boost Treatment Guided by Perfusion MRI on Hypoxic Zones in Head and Neck Cancer
To assess and localize hypoxic tumor subregions both at baseline and during the second week of radiotherapy. And to hypothesize that an intensified IMRT regimen may ensure higher local response rates compared to the standard IMRT…
- Trial name
- NCT06880289
- Testing
- Cisplatin IV on days 1, 22, 43, at a dose of 100 mg/m2
- Where
- 2 sites in Italy
- Volunteers
- 91 people
- Sponsor
- Regina Elena Cancer Institute
Bronchopulmonary Dysplasia, Pulmonary Hypertension Due to Lung Diseases and Hypoxia
Ventilator Pressure and Optimization of Compliance and Hemodynamics
In preterm infants < 34 weeks' gestation at birth receiving respiratory support with invasive positive pressure ventilation, the positive end-expiratory pressure (PEEP) of best compliance will increase the cardiac output and…
- Conditions
- Bronchopulmonary Dysplasia, Pulmonary Hypertension Due to Lung Diseases and Hypoxia, Extreme Prematurity, Ventilator Lung; Newborn
- Trial name
- VPOCH (NCT06512935)
- Testing
- Increase in the PEEP followed by decrease in the PEEP, Decrease in the PEEP followed by increase in the PEEP
- Where
- United States
- Volunteers
- 24 people
- Sponsor
- University of Alabama at Birmingham
Non Small Cell Lung Cancer (NSCLC)
Nitroglycerin in Non-small Cell Lung Cancer
Nitroglycerin is a nitric oxide donor which is mainly known as a vasodilating agent used in ischemic heart disease. It has also been shown to increase tumor blood flow in animal and human tumors.
- Trial name
- Nitroglycerin (NCT01210378)
- Testing
- Nitroglycerin patch
- Where
- Netherlands
- Volunteers
- 47 people
- Sponsor
- Maastricht Radiation Oncology
One-Lung Ventilation, Hypoxemia During Surgery
Oxygen Reserve Index in One-Lung Ventilation During Elective Thoracic Operations
The investigators' goal is to perform an observational cohort study investigating the use of oxygen reserve index (ORi) in patients undergoing elective thoracic surgery and one-lung ventilation (OLV).
- Conditions
- One-Lung Ventilation, Hypoxemia During Surgery, Oxygen Reserve Index, Perfusion Index
- Trial name
- NCT05050552
- Testing
- Masimo Radical-7 Pulse CO-Oximeter
- Where
- Turkey (Türkiye)
- Volunteers
- 50 people
- Sponsor
- Trakya University
Cerebral Hypoxia
Feasibility Trial to Maintain Normal Cerebral Oxygen Saturation in High-Risk Cardiac Surgery
Using the brain and the heart as index organs, perioperative interventions to optimize cerebral oxygen saturation and cardiac contractility in high-risk patients undergoing cardiac surgery should have a beneficial systemic effect…
- Trial name
- Tête-à-coeur (NCT01432184)
- Testing
- strategies to reverse decrease in rSO2
- Where
- Canada
- Volunteers
- 200 people
- Sponsor
- Montreal Heart Institute
Hypoxia
Pulse Oximeter Motion Study
Evaluate the performance of 4 pulse oximeters in 10 healthy adult volunteers with three motions compared to non-motion control at three arterial oxygen saturation target plateaus.
- Trial name
- Motion (NCT03156140)
- Testing
- Motion
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Neonatal Hypoxic Ischemic Encephalopathy
Prognostic Value of Arterial Spin Labeling Brain Perfusion MRI in Term Neonates With Hypoxic-ischemic Encephalopathy
The main purpose of this study will be to evaluate the prognostic value at 3 months of life of brain perfusion MRI determined by Arterial Spin Labeling technique in the first week of life of term newborns with hypoxic-ischemic…
- Trial name
- BBASL (NCT04325230)
- Testing
- Arterial Spin Labeling sequence
- Where
- France
- Volunteers
- 31 people
- Sponsor
- University Hospital, Bordeaux
Hypoxemia During Surgery, Hypoxia, Brain
Effect of Hypotensive Anesthesia on Cerebral Perfusion and Blood Antioxidant Levels and HIF 1a
The aim of this study to evaluate the patients who underwent controlled hypotensive anesthesia under standardized depth of anesthesia; preoperative and postoperative blood HIF 1a, TAS, TOS measurement and cerebral perfusion…
- Trial name
- NCT04174417
- Testing
- systolic blood pressure (SBP), mean blood pressure (MBP)
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people
- Sponsor
- Bezmialem Vakif University
Hypoxia, Hypercapnia
The Effect of Hypercapnia on Physiological Parameters During Short-term Breathing
The aim of the project is to evaluate the effect of hypercapnia on physiological parameters in a healthy person during short-term hypoxia and hypercapnia.
- Conditions
- Hypoxia, Hypercapnia, Cardiac Output, High
- Trial name
- HYPERCO (NCT05441007)
- Testing
- Hypoxic, Hypercapnic, Hypoxic and Hypercapnic
- Where
- Czechia
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Czech Technical University in Prague
Sepsis
Immune Activation, Hypoxia and Vasoreaction in Sepsis of Pulmonary Versus Abdominal Origin
Sepsis remains a common entity in critical care patients with remarkable mortality. Pulmonary and abdominal infections (with subsequent sepsis) are the most common in the ICU.
- Trial name
- NCT01530932
- Where
- Germany
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Universitätsmedizin Mannheim
Hypoxia, Altitude
Cocoa Flavanol Intake and Exercise in Hypoxia
Not uncommonly, sports events take place or finish at high altitude, where physical and cognitive (e.g. decision-making, motor control) performance in hypoxia is determining the outcome of sports performance.
- Trial name
- NCT03135314
- Testing
- cocoa flavanol
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Vrije Universiteit Brussel