Clinical trials: Oxygen Deficiency
Anaphylaxis, Hypoxia
Virtual Reality-Based Simulation Versus High-Fidelity Simulation for Emergency Management Training in Medical Interns
This study is a two-arm parallel randomized controlled non-inferiority trial designed to compare the educational effectiveness of virtual reality (VR)-based simulation with high-fidelity simulation (HFS) for emergency management…
- Trial name
- NCT07584863
- Testing
- Virtual Reality-Based Emergency Simulation, High-Fidelity Simulation
- Where
- South Korea
- Volunteers
- 124 people, healthy volunteers welcome
- Sponsor
- Seoul National University Hospital
Healthy Men
Sleep, Breathing and Psychomotor Performance at Altitude: A Physiologic Study in Healthy Subjects
This study investigates the effect of altitude exposure on sleep, breathing and psychomotor performance in healthy subjects.
- Trial name
- NCT01130948
- Testing
- altitude exposure
- Where
- Switzerland
- Volunteers
- 51 people, healthy volunteers welcome
- Sponsor
- University of Zurich
Insulin Resistance
Effect of 10-day Overnight Hypoxia Treatment on Whole Body Insulin Sensitivity (SLEEP HIGH Study)
The purpose of this study is to look at how a reduction in oxygen levels (hypoxia) influences insulin sensitivity and carbohydrate metabolism.
- Trial name
- SLEEP HIGH (NCT01872533)
- Testing
- Hypoxia Exposure
- Where
- United States
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- Pennington Biomedical Research Center
Wound Healing, Burns
Hypoxia-inducible Factor-1 (HIF-1) Regulated Circulating Angiogenic Cells (CACs) Recruitment in Burn Wound Healing
This research is being done to increase knowledge about wound healing and different factors that may affect healing in burn patients.
- Trial name
- NCT00796627
- Testing
- Healthy volunteers, Burn volunteers
- Where
- United States
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
High Altitude
HighCycle: Effect of Acetazolamide on Pulmonary Artery Pressure in Women Compared to Men
Randomized clinical trial evaluating the effect of acetazolamide on pulmonary artery pressure in women compared to men travelling to 3600 m.
- Trial name
- NCT06498505
- Testing
- Acetazolamide
- Where
- Kyrgyzstan
- Volunteers
- 303 people, healthy volunteers welcome
- Sponsor
- University of Zurich
Healthy
A Study in Evaluating Bioequivalence Between Test and Reference Formulations of Vadadustat Tablets in Healthy Adults
This study is to assess the bioequivalence of a test formulation of vadadustat (A) compared to a reference formulation of vadadustat (B)
- Trial name
- NCT03639155
- Testing
- vadadustat reference tablets, vadadustat test tablets
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Akebia Therapeutics
Hypoxia, Desaturation of Blood
SpO2 Accuracy Low Saturation Validation of the OxySoftN Sensor
To compare prototype pulse oximeter saturation measurements, during normal to low saturation, to saturation measurements made by a multi-wavelength CO-oximeter, taken from arterial blood samples from healthy human subjects.
- Trial name
- NCT04811963
- Testing
- Non-Invasive Controlled Hypoxia
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Medtronic - MITG
Nephropathy, Hypoxia
Acute Effects of SGLT2 Inhibition on Renal Oxygenation and Autonomic Function in Type 1 Diabetes
Background: Inhibiting the sodium-glucose cotransporter-2 (SGLT2) has been observed to reduce risk of cardiovascular events and kidney failure in type 2 diabetes.
- Conditions
- Nephropathy, Hypoxia, Mitochondrial Alteration, Type 1 Diabetes
- Trial name
- Astronaut (NCT04193566)
- Testing
- Forxiga
- Where
- Denmark
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Steno Diabetes Center Copenhagen
Premature Birth, Intermittent Hypoxiema
Effect of Morning vs. Evening Vaccination on Hypoxia and Bradycardia of Preterm Infants: a Randomised Controled Trial
Hypoxia/bradycardia are common symptoms after vaccination of preterm infants. Adults show diurnal variations in vaccination response, due to circadian regulation of the immune system.
- Trial name
- NCT02640703
- Testing
- Infanrix + Prevenar 13
- Where
- Germany
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- University Hospital Tuebingen
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
Obstructive Sleep Apnoea, Obesity
Obstructive Sleep Apnoea and Adipose Tissue Dysfunction
Dysfunctional adipose tissue predisposes to cardiovascular disease. Similarly, the risk of cardiovascular disease appears to be increased in subjects with obstructive sleep apnoea.
- Conditions
- Obstructive Sleep Apnoea, Obesity, Hypoxia
- Trial name
- NCT02518633
- Testing
- Continuous positive airway pressure devices
- Where
- 2 sites in United Kingdom
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Royal Devon and Exeter NHS Foundation Trust
Hypoxia, Altitude, Exercise
Oxygen Transport in Normobaric vs. Hypobaric Hypoxia
1) Oxygen Transport in Normobaric versus Hypobaric Hypoxia. 2) The purpose of this study is to examine acute responses in arterial and muscle tissue oxygenation during incremental exercise in normobaric versus hypobaric hypoxia.
- Trial name
- NCT03335917
- Testing
- Hypoxia, Exercise
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of Nebraska
Obstructive Sleep Apnea of Adult, Hypoxia, Brain
Cerebral Blood Flow and Ventilatory Responses During Sleep in Normoxia and Intermittent Hypoxia
A prospective double blind, placebo-controlled, randomized cross-over trial to evaluate the effect of lowering cerebral blood flow on the ventilatory chemoreflexes (acute hypoxic and hypercapnic ventilatory responses).
- Conditions
- Obstructive Sleep Apnea of Adult, Hypoxia, Brain, Sleep Apnea, Sleep Disorder
- Trial name
- NCT03255408
- Testing
- Drug Lowering Cerebral Blood Flow (CBF) and Normoxia Sleep, Drug Lowering CBF and Intermittent Hypoxia Sleep
- Where
- Canada
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of Calgary
Type 2 Diabetes Mellitus, Diabetic Kidney Disease
Puberty, Diabetes, and the Kidneys, When Eustress Becomes Distress (PANTHER Study)
Early diabetic kidney disease (DKD) occurs in 50-70% of youth with type 2 diabetes (T2D) and confers high lifetime risk of dialysis and premature death.
- Conditions
- Type 2 Diabetes Mellitus, Diabetic Kidney Disease, Adolescent Obesity, Pre Diabetes
- Trial name
- NCT05008276
- Testing
- Aminohippurate Sodium Inj 20%, Iohexol Inj 300 MG/ML, Dextran 40
- Where
- 2 sites in United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Petter Bjornstad
Peri-Implantitis and Peri-implant Mucositis, Hypoxia
Analysis of HIF-1α, MDA, and GPX4 in Peri-Implant Crevicular Fluid
Peri-implant diseases, such as peri-implant mucositis and peri-implantitis, are inflammatory conditions that affect the tissues surrounding dental implants. If untreated, these diseases can lead to bone loss and implant failure.
- Conditions
- Peri-Implantitis and Peri-implant Mucositis, Hypoxia, Ferroptosis
- Trial name
- NCT06863116
- Where
- Turkey (Türkiye)
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Ege University
Covid19, Neurological Complication
COVID-19 Infection: Exploration of Respiratory Control Center Abnormalities
The purpose of the present study is to determine whether there is a decrease in the emotional response to experimental induction of dyspnea by hypoxic stimulation in subjects with a "neurological" form of COVID-19, compared to…
- Trial name
- CRC-COVID (NCT04363749)
- Testing
- hypoxia : 14.3 and 12.7% FIO2, hypercapnia 7% CO2, inspiratory mechanical constraint
- Where
- France
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Altitude, Hypoxia
Effects of Mild Hypobaric Hypoxia on Sleep and Post-sleep Performance
Hypobaric hypoxia (decreased oxygen supply to body tissues due to low atmospheric pressure) caused by exposure to high altitude disrupts sleep.
- Conditions
- Altitude, Hypoxia, Environmental Sleep Disorder
- Trial name
- NCT00498563
- Testing
- altitude exposure in hypobaric chamber
- Where
- United States
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Oklahoma State University Center for Health Sciences
Healthy Volunteers
The Haem and Nitrite Study - The Effects of Haemoglobin NO-blockade on Nitrite-induced Forearm Vessel Dilatation
The study is a pharmacodynamic random order cross-over trial investigating the physiological effects of intra-arterial infusion of nitrite following a haemolysed autologous blood transfusion.
- Trial name
- NCT03077763
- Testing
- Sodium Nitrite
- Where
- United Kingdom
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- University of East Anglia
Head and Neck Cancer
Pathological Validation of Functional Imaging in Head and Neck Squamous Cell Carcinoma
Chemo-radiotherapy (CRT) is currently the cornerstone in the management of locoregional advanced head and neck cancer (HNC). Optimization of the quality of RT is therefore an important issue, if the investigators want to improve…
- Trial name
- NCT01827709
- Testing
- A polymerase chain reaction -based hypoxia classifier, Functional imaging before treatment., Immunohistochemical staining
- Where
- Belgium
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
Type 2 Diabetes, Aging
IH, Brain Health, and T2D
The purpose of this study is to use a randomized, placebo-controlled study design to rigorously examine the therapeutic potential of intermittent hypoxia (IH) for improving cerebrovascular health in older adults with and without…
- Trial name
- NCT07173543
- Testing
- Intermittent Hypoxia 1 (IH1), Intermittent Hypoxia 2 (IH2)
- Where
- United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Darren P Casey