Clinical trials: High-Altitude Illness
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
Intermittent Hypoxia
Effects of Melatonin on Sleep, Ventilatory Control and Cognition at Altitude
Low oxygen at altitude causes pauses in breathing during sleep, called central sleep apnea. Central sleep apnea causes repeated awakenings and poor sleep.
- Trial name
- NCT03588676
- Testing
- Melatonin
- Where
- United States
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- Robert L. Owens
High Altitude Cerebral Edema
Spectroscopic and Diffusion Weighted Analysis of the Effects of Dexamethasone on High Altitude Cerebral Oedema (HACE)
When the brain detects a drop in oxygen levels in the blood (hypoxia) there is a compensatory increase in blood flow. Acute mountain sickness (AMS) is a cluster of symptoms which commonly occur in those ascending to high altitude…
- Trial name
- D4H (NCT03341676)
- Testing
- Dexamethasone
- Where
- United Kingdom
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University Hospitals Coventry and Warwickshire NHS Trust
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, High Altitude
SJOV vs. HFNO for Hypoxia During Procedural Sedation at High Altitudes
This study aims to compare the effect of the use of supraglottic jet oxygenation and ventilation (SJOV) with high-flow nasal oxygen therapy (HFNO) on reducing the rate of hypoxia during gastrointestinal endoscopic procedures in…
- Trial name
- NCT05474287
- Testing
- SJOV, HFNO
- Where
- China
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- Peking University People's Hospital
Prophylaxis of Acute Mountain Sickness
Acetazolamide for the Prevention of High Altitude Illness: a Comparison of Dosing
This is a phase 4, randomized, double-blinded interventional trial comparing alternative doses of Acetazolamide for the prevention of High Altitude Illness.
- Trial name
- NCT01993667
- Testing
- Low Dose Acetazolamide, Normal Dose Acetazolamide
- Where
- United States
- Volunteers
- 130 people, healthy volunteers welcome
- Sponsor
- University of Utah
Effects of High Altitude, Hypoxia
Induced Changes in Ventilatory Responsiveness and Altitude Exposure
The main purpose of this study is to determine if a drug (acetyl-cysteine or ACCY) can increase the amount of oxygen in your body at a high altitude of 11,500 feet.
- Conditions
- Effects of High Altitude, Hypoxia, Inadequate or Impaired Breathing Pattern or Ventilation, Abnormal Blood Oxygen Pressure
- Trial name
- NCT01241513
- Testing
- NAC
- Where
- United States
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- United States Army Research Institute of Environmental Medicine
Acute Mountain Sickness
Drug Combination on Exercise Performance at High Altitude
This study is being conducted to determine the effectiveness of using two FDA approved medications in concert to reduce the likelihood of sickness due to low oxygen levels and to reduce the decrement in physical performance at…
- Trial name
- NCT01902758
- Testing
- ambrisentan and theophylline
- Where
- United States
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- University of Montana
Acute Mountain Sickness, High Altitude
CO2 Supplement for Treatment of Acute Mountain Sickness
It was reported that up to 76% people who rapidly ascend to the altitude higher than 4500 m without sufficient acclimatization will have AMS which often develops 6-8 hours after reaching at high altitude.
- Conditions
- Acute Mountain Sickness, High Altitude, Inhalation; Gas
- Trial name
- NCT06393998
- Testing
- Breathing with CO2 during daytime and night at high altitude, Sleep and doing exercise test under inhalation of air
- Where
- China
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- State Key Laboratory of Respiratory Disease
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
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
Hypoxia-Induced Pulmonary Artery Hypertension
Effects of Bosentan (Tracleer) in the Course of Pulmonary Artery Hypertension Induced by Hypoxia
Excessive rise in pulmonary artery pressure induced by low oxygen tension (hypoxia) is one of the factors implicated in high-altitude pulmonary oedema.
- Trial name
- NCT00260819
- Testing
- Bosentan, Bosentam TRACLEER
- Where
- France
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Acute Mountain Sickness, Subclinical High Altitude Pulmonary Edema
The Incidence of Subclinical High-altitude Pulmonary Oedema at High Altitude
The aim of this investigation is to determine the incidence of silent interstitial pulmonary edema by chest ultrasound at moderate altitude (3905m).
- Trial name
- NCT01794130
- Where
- Italy
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Institute of Mountain Emergency Medicine
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
Pregnant, High Altitude
The Effect of Different Altitude Levels on Spinal Anesthesia in Cesarean Section Surgery
The aim of the researchers in this prospective study is to determine the differences, if any, in terms of anesthetic parameters among pregnant women who live at different altitudes and undergo cesarean section under neuraxial…
- Trial name
- altitude (NCT05715476)
- Testing
- cesarian surgery
- Where
- Turkey (Türkiye)
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Giresun University
High Altitude
The Study of Personalized Health Check-up Programs and Standards for High-altitude Migrant Populations
By using wearable devices to monitor and record the physiological data changes and health outcomes (incidence and severity of high-altitude illnesses) of high-altitude migrants at different stages (pre-entry, acute/chronic…
- Trial name
- NCT07018193
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Capital Medical University
Pulmonary Hypertension, Mountain Sickness
Study of the Effects of Iron Levels on the Lungs at High Altitude
The study hypothesis is that body iron levels are important in determining the increase in lung blood pressure that occurs in response to low oxygen levels.
- Trial name
- NCT00952302
- Testing
- Iron sucrose, Normal saline, Venesection
- Where
- Peru
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- University of Oxford
Acute Mountain Sickness
A Trial of Acetazolamide Versus Placebo in Preventing Mountain Sickness During Rapid Ascent
Acute mountain sickness is a common ailment in people venturing over 2500 m altitude. Pilgrims to high altitudes are at an added risk since they are unaware and they gain height faster than the recommendations.
- Trial name
- NCT01418157
- Testing
- Acetazolamide
- Where
- Nepal
- Volunteers
- 380 people, healthy volunteers welcome
- Sponsor
- Oxford University Clinical Research Unit, Vietnam
Negative Air Ions, Altitude Sickness
The Effects of Artificial Air Negative Ions on High-Altitude Acclimatization, Serum HIF1, and PWC170 Index
To explore the effects of negative ions generated by an ion converter on the high-altitude acclimatization of healthy populations and their impact on serum HIF1 (hypoxia-inducible factor 1) and PWC170 index after entering…
- Conditions
- Negative Air Ions, Altitude Sickness, High-altitude Adaptation
- Trial name
- 2022JW (NCT07056751)
- Testing
- Air negative ion intervention study, No air negative ion intervention
- Where
- China
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- The First Hospital of Putian City, Putian, Fujian
Critical Congenital Heart Disease, High Altitude
Oxygen Saturation and Perfusion Index ın Neonates at High Altitude
Congenital heart diseases are among the most common congenital anomalies and occur with an incidence of approximately 8ınd12 / 1,000 live births worldwide.
- Trial name
- NCT04290481
- Testing
- oxygen saturation and perfusion index screening
- Where
- Turkey (Türkiye)
- Volunteers
- 501 people, healthy volunteers welcome
- Sponsor
- Ataturk University