Clinical trials: Effects of High Altitude
Effect of High Altitude
Effect of High Altitude Exposure, Acclimatization and Re-exposure on Sustained Attention in Lowlanders
Prospective interventional trial in lowlanders evaluating the effect of acute exposure, acclimatization and re-exposure to high altitude on global cognitive function.
- Trial name
- NCT02738307
- Testing
- Altitude exposure
- Where
- Canada
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Marc Poulin
Effect of High Altitude
Effect of High Altitude Exposure, Acclimatization and Re-exposure on Psychomotor Performance in Lowlanders
Prospective interventional trial in lowlanders evaluating the effect of acute exposure, acclimatization and re-exposure to high altitude on psychomotor vigilance to measure sustained attention.
- Trial name
- NCT02731456
- Testing
- altitude exposure
- Where
- Canada
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Marc Poulin
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
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
Acute Mountain Sickness (AMS)
Safety and Efficacy of T89 in Prevention and Treatment of Adults With Acute Mountain Sickness (AMS)
Acute mountain sickness (AMS) is one of three syndromes of altitude illness. It is very common when people venture over 2500 meters altitude.
- Trial name
- NCT03552263
- Testing
- T89 capsule
- Where
- United States
- Volunteers
- 132 people, healthy volunteers welcome
- Sponsor
- Tasly Pharmaceuticals, Inc.
Hypoxia, Exogenous Ketosis
The Effects of Ketone Ester Supplementation During a 5 Week Live High, Train Low Altitude Training Camp
This study aims to investigate the effects of post-exercise and pre-sleep exogenous ketosis via oral ketone ester supplementation during a 5 week simulated altitude training camp.
- Trial name
- NCT06596083
- Testing
- Ketone ester supplement
- Where
- Belgium
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- KU Leuven
Healthy, Healthy Adult
Assessment of Heart Rate Variability HRV During Descent DE From 2850m to Sea Level and During Re-ascent A From Sea Level to 2850m in Healthy Individuals H
To study the effect of relocation from high altitude (Quito Ecuador: 2850m) to sea level and re-ascent from sea level to 2850m on heart rate variability and other hemodynamic parameters in healthy individuals, who live…
- Conditions
- Healthy, Healthy Adult, High Altitude Effects, High Altitude
- Trial name
- NCT07801846
- Testing
- Descent and re-ascent (2850m, sea level)
- Where
- Switzerland
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Silvia Ulrich Somaini
Acute Mountain Sickness, Healthy
Training in Hypoxia to Prevent Acute Mountain Sickness
Some studies suggest that high-altitude related illnesses - like acute mountain sickness - could be prevented by acclimatisation, reached at low altitude using training in simulated altitude.
- Trial name
- NCT00886912
- Testing
- hypoxia, normoxia
- Where
- Germany
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Heidelberg University
Probiotics
The Effect of a Multi-strain Probiotic on Acclimatization to High Altitude
The goal of this study is to learn if the probiotic SLAB51 (Sivomixx800®) works to enhance acclimatization to high altitude in humans.
- Trial name
- NCT06552806
- Testing
- SLAB51
- Where
- 2 sites in United States
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- University of California, San Diego
Hypoxia, Altitude Sickness
Hypoxia Adaptation Promotes Cerebral Functional Connectivity With Neuromuscular Efficiency Decrement
The study utilized a trimodal setup comprising EEG, EMG, and fNIRS modules. Participants wore a 64-channel dry EEG cap, while EMG electrodes were placed on the right biceps brachii, the flexor digitorum profundus of the forearm…
- Trial name
- NCT07018817
- Testing
- motor execution motor imagery
- Where
- China
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Peking Union Medical College
Acute Mountain Sickness
Inhaled Budesonide and Acute Mountain Sickness
The primary objective of the study is to investigate the effect of inhaled budesonide on the incidence of AMS. The primary study question to ask is: 1.
- Trial name
- NCT02811016
- Testing
- Budesonide 200, Budesonide 800
- Where
- Austria
- Volunteers
- 51 people, healthy volunteers welcome
- Sponsor
- Salzburger Landeskliniken
Gastrointestinal Injury, Acute Mountain Sickness
Gut-microbiota Targeted Nutritional Intervention for Gut Barrier Integrity at High Altitude
The aim of this randomized, crossover clinical trial is to determine the efficacy of a gut microbiota-targeted nutritional intervention containing a blend of fermentable fibers and polyphenols (FP) for mitigating increases in GI…
- Trial name
- NCT04111263
- Testing
- FP, High altitude, Sea level
- Where
- United States
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- United States Army Research Institute of Environmental Medicine
Effect of High Altitude
Effect of High Altitude Exposure, Acclimatization and Re-exposure on Postural Control in Lowlanders
Prospective interventional trial in lowlanders evaluating the effect of acute exposure, acclimatization and re-exposure to high altitude on postural control
- Trial name
- NCT02730182
- Testing
- altitude exposure
- Where
- Switzerland
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- University of Zurich
Health, Children, Only
Characteristics of Intestinal Bacteria and Their Effects on Growth and Immune Function in Children at High Altitude
Microbes and the human body maintain a complex relationship of interaction and influence. Different regions, altitudes, and dietary habits have different degrees of influence on the composition of children's intestinal flora.
- Conditions
- Health, Children, Only, Gut Microbiota
- Trial name
- NCT06157346
- Where
- China
- Volunteers
- 298 people, healthy volunteers welcome
- Sponsor
- Ruijin Hospital
Breast Cancer
Effect of Oxygen Inhalation on Fatigue After Chemotherapy of Breast Cancer in High Altitude Area
At present, there are few studies on the side effects of chemotherapy in breast cancer patients at high altitude area, and there are no studies on the relationship between oxygen inhalation and fatigue after chemotherapy in…
- Trial name
- NCT04774497
- Testing
- Oxygen inhalation treatment group, Control group
- Where
- China
- Volunteers
- 102 people, healthy volunteers welcome
- Sponsor
- Jiuda Zhao
Acute Mountain Sickness
Altitude Sickness Prevention With Ibuprofen Relative to Acetazolamide and Treatment Efficacy
This double blind randomized trial will compare ibuprofen to acetazolamide for the prevention of acute mountain sickness. These drugs have never been directly compared for efficacy.
- Trial name
- ASPIRATE (NCT03154645)
- Testing
- Ibuprofen, Acetazolamide
- Where
- United States
- Volunteers
- 92 people, healthy volunteers welcome
- Sponsor
- Grant S Lipman
Hypoxia, Altitude
Hypoxia, Appetite, and Energy Intake in Young Female Adults
The goal of this clinical trial is to investigate the effects of acute passive continuous hypoxemia (simulated high-altitude at rest) on appetite and energy intake in healthy young female adults.
- Conditions
- Hypoxia, Altitude, Appetite, Energy Intake
- Trial name
- NCT06912230
- Testing
- Normoxia, Hypoxia (simulated altitude of 5000 meters above sea-level)
- Where
- Canada
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of Ottawa
Acute Mountain Sickness (AMS)
Efficacy of Positive Expiratory Pressure on Acute Mountain Sickness
This pilot study aims to evaluate the efficacy of positive expiratory pressure (PEP) therapy at 10 cmH₂O in improving peripheral oxygen saturation (SpO₂) and mitigating symptoms of acute mountain sickness (AMS) in healthy…
- Trial name
- NCT07148674
- Testing
- Positive Expiratory Pressure (10cmH2O) in hypobaric hypoxia
- Volunteers
- 3 people, healthy volunteers welcome
- Sponsor
- BiALP - Alpine, Disaster and Wilderness Medicine
Altitude Sickness
Prevention of Altitude Illness With Non-steroidal Anti-inflammatory Study (PAINS)
This is a research study on Altitude Illness. From the information collected and studied in this project we hope to learn more about Altitude Illness, including factors that may affect and prevent the development and progression…
- Trial name
- NCT01171794
- Testing
- Ibuprofen
- Where
- United States
- Volunteers
- 89 people, healthy volunteers welcome
- Sponsor
- Stanford University
Oxidative Stress, Cell-derived Microparticles
Pik Lenin High Altitude Research Expedition 2009
Exposure to hypobaric hypoxia demands maximum effort of the body and can lead to high altitude illnesses. Recently, there is rising interest on coagulation activation during trekking and mountaineering in higher regions and on…
- Trial name
- PLHARE (NCT01571687)
- Testing
- antioxidant supplements
- Where
- Switzerland
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern