Clinical trials: Altitude Sickness
High Altitude Pulmonary Edema
Prevention of High Altitude Pulmonary Edema
A double-blind placebo controlled study To compare the effect of tadalafil and dexamethasone versus placebo on Ppa and pulmonary edema formation in subjects susceptible to HAPE.
- Trial name
- NCT00274430
- Testing
- dexamethasone 8 mg bid, tadalafil 10mg bid
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Zurich
Severe High Altitude Pulmonary Edema, Severe High Altitude Cerebral Edema
Key Diagnostic & Therapeutic Technologies for Severe Acute High Altitude Disease (SAHAD): Integration and Application
This study aims to establish a key technical system for the diagnosis and treatment of severe acute mountain sickness based on real-world clinical data in Xizang, develop standardized diagnosis and treatment protocols and an…
- Trial name
- SAHAD (NCT07639931)
- Testing
- Multicenter study of HAPE：CPAP or BiPAP Group, Multicenter study of HAPE group：NO Group, Protocol for Proteomics and Peptidomics Study of HAPE：Case Group
- Where
- China
- Volunteers
- 3,035 people, healthy volunteers welcome
- Sponsor
- Tibet Autonomous Region People's Hospital
Residence or Prolonged Visit at High Altitude as the Cause of Mountain Sickness
A Study of the Effect of High Altitudes on Physiological and Metabolic Markers in Adults Living at Qinghai-Tibet Plateau for Work Purpose
This ambispective cohort study aims to evaluate the effect of high altitudes environment on human's physiological and metabolic markers, specific markers of main human systems, and incidence rate and severity of chronic mountain…
- Trial name
- NCT03446898
- Testing
- Chronic hypoxic environment
- Where
- China
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- Tibetan Traditional Medical College
Altitude Training Adaptation, Autonomic Nervous System
Effect of Hot Spring Therapy on Autonomic Nervous System and Exercise Performance During Altitude Training
This randomized controlled trial aims to investigate the effects of balneotherapy (hot spring bathing) on cardiac autonomic nervous system function and exercise performance in healthy athletes undergoing high-altitude training.
- Conditions
- Altitude Training Adaptation, Autonomic Nervous System, Hydrotherapy, Exercise Performance
- Trial name
- NCT07608887
- Testing
- Control Group：Natural Recovery, Hot water immersion group, hot spring immersion group
- Where
- China
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Macao Polytechnic University
Acute Mountain Sickness, High Altitude Headache
Comparison of Metoclopramide and Ibuprofen for the Treatment of Acute Mountain Sickness
The objective of this study is to determine the efficacy of metoclopramide in relieving the symptoms of Acute Mountain Sickness (AMS).
- Trial name
- NCT01522326
- Testing
- Ibuprofen, Metoclopramide
- Where
- Nepal
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
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
Acute Mountain Sickness
Effects of Aircraft Cabin Altitude on Passenger Comfort and Discomfort
Commercial aircraft passengers are exposed to atmospheric pressures ranging from the pressure found at ground level to that encountered in the external environment at 8,000 feet.
- Trial name
- NCT00326703
- Testing
- Hypobaric hypoxia
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- The Boeing Company
Ketosis, Hypoxia
Effect of Ketone Ester Supplementation on Hypoxic Tolerance
This WP specifically aims to elucidate the effects of IEK on hypoxic tolerance and the development and severity of AMS symptoms, blood and tissue oxygenation status, as well as sleep quality during an episode of acute exposure to…
- Trial name
- NCT05588427
- Testing
- Ketone ester
- Where
- Belgium
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- KU Leuven
Healthy, Healthy Adult
Assessment of Lung Function (Lufu) at Sea Level LA vs. High Altitude HA in Healthy Individuals
To study the effect of a re-ascent to high altitude (Quito Ecuador: 2850m) after a one-week stay at sea level (after prior descent from 2850m) on lung function and pulmonary resistance/reactance in healthy individuals, who live…
- Conditions
- Healthy, Healthy Adult, High Altitude Effects, High Altitude
- Trial name
- NCT07804537
- Testing
- Re-ascent from sea level to 2850m
- Where
- Switzerland
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Silvia Ulrich Somaini
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
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
High Altitude, Healthy Adult
Assessment of Total Pulmonary Resistance sPAP/CO Between High Altitude HA vs. Sea Level LA in Healthy Individuals H
To study the effect of relocation from high altitude (Quito Ecuador: 2850m) to sea level on pulmonary resistance (sPAP/CO) and other hemodynamic outcomes in healthy individuals, who live permanently >2600m.
- Conditions
- High Altitude, Healthy Adult, Echocardiography, Pulmonary Resistance
- Trial name
- NCT07804485
- Testing
- Descent from 2850m to sea level
- Where
- Switzerland
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Silvia Ulrich Somaini
Healthy
Measurement of Retinal Venous Pressure in Chronic Low-oxygen Environment
The hypothesis is that the pressure in the retinal veins increases from chronic lack of oxygen and leads to decreased blood flow. On the basis of high altitude mountaineering this hypothesis should be verified.
- Trial name
- NCT01771770
- Where
- Switzerland
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University Hospital, Basel, Switzerland
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
Acute Mountain Sickness
Optimization Strategy for the Prevention of AMS by RIPC Combined With Acetazolamide
The primary objective of the study will be to determine whether rapid remote limb ischemic preconditioning (RIPC) combined with acetazolamide can further reduce the incidence of acute mountain sickness (AMS) during the 6-hour…
- Trial name
- NCT05023941
- Testing
- Acetazolamide, Doctormate® (twice daily for 6 days), Doctormate® (forth daily for 3 days)
- Where
- China
- Volunteers
- 252 people, healthy volunteers welcome
- Sponsor
- Ji Xunming,MD,PhD
Mountain Sickness
Safety Evaluation of Aminophylline and Methazolamide
This safety study is the first in a series of studies testing the application of the combination of aminophylline and methazolamide.
- Trial name
- NCT01587027
- Testing
- Aminophylline, Methazolamide, Aminophylline and Methazolamide
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Poudre Valley Health System
Hypoxia, Altitude
Colour Vision Impairment During Acute Hypobaric Hypoxia
This study analyses the impairment of colour vision during hypobaric hypoxia in volunteers of different groups.
- Trial name
- NCT05584813
- Testing
- Hypobaric Hypoxia
- Where
- Germany
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Universitätsklinikum Köln
Altitude Training Adaptation, Cognitive Function
Effects of Bicarbonate Spring Water Immersion on Cognitive Reliability and Post-Maximal Exercise Recovery in Adolescent Rowers During Altitude Training: A Sex-Stratified Three-Arm Randomized Controlled Trial
This randomized controlled trial aims to investigate the effects of hot spring bath therapy on cognitive function recovery, cerebral hemodynamics, and athletic performance in athletes undergoing altitude training.
- Conditions
- Altitude Training Adaptation, Cognitive Function, Cerebral Hemodynamics, Exercise Performance
- Trial name
- NCT07608913
- Testing
- Control Group：Natural Recovery, Hot water immersion group, hot spring immersion group
- Where
- China
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Macao Polytechnic University
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
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