Clinical trials: High-altitude Pulmonary Edema
Iron-deficiency, Ventricular Function
Iron Status and Cardiopulmonary Physiology
This study involved human volunteers undertaking a high-altitude expedition. It assessed changes in physiological parameters of relevance to high-altitude cardiopulmonary physiology.
- Conditions
- Iron-deficiency, Ventricular Function, Pulmonary Vascular Resistance Abnormality, Altitude Hypoxia
- Trial name
- NCT03707249
- Testing
- Ferric Carboxymaltose Injectable Product, Normal Saline 0.9% Infusion Solution Bag
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Royal Centre for Defence Medicine
Acute Mountain Sickness
Anti-Oxidant Supplementation for the Prevention of Acute Mountain Sickness
Acute mountain sickness (AMS), high altitude pulmonary edema (HAPE), and high altitude cerebral edema (HACE) are complications of rapid ascent to high altitude.
- Trial name
- NCT00664001
- Testing
- Anti-oxidant supplementation
- Where
- United Kingdom
- Volunteers
- 83 people, healthy volunteers welcome
- Sponsor
- Altitude Physiology Expeditions
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
Hypoxia, Hypoxia Brain
Study of the Effects of Acute Exposure to Moderate Altitude Hypoxia on Prospective Memory.
The goal of this study is to investigate whether prospective memory, i.e., memory for delayed intentions, is impaired at moderate altitude (4,000m).
- Conditions
- Hypoxia, Hypoxia Brain, Hypoxia Altitude Simulation Test, Hypoxia in Healthy Individuals
- Trial name
- HYPRO (NCT07585227)
- Testing
- Hypoxia exposure, Oxygen administration, Air administration
- Where
- France
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Direction Centrale du Service de Santé des Armées
High Altitude
Establishing the Reference Interval for Pulse Oxygen Saturation in Neonates at High Altitude
The now widely used reference interval for pulse oxygen saturation of the neonate after 24 hours of birth has been developed relying on data from low altitude.It is not suitable for neonates at high altitude.
- Trial name
- NCT05115721
- Testing
- no intervention
- Where
- China
- Volunteers
- 10,000 people, healthy volunteers welcome
- Sponsor
- Nanjing Medical University
Spectrum of Altitude-associated Neurologic Forms of Altitude
NSAID RCT for Prevention of Altitude Sickness
The proposed study is a prospective, randomized, double-blind, placebo-controlled clinical trial evaluating ibuprofen and placebo for the prevention of neurological forms of altitude illness [including high altitude headache…
- Trial name
- NCT01606527
- Testing
- Ibuprofen 600mg orally three times daily
- Where
- United States
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Naval Health Research Center
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
Acute Mountain Sickness, Blood Oxygen Saturation, Headache
Ibuprofen vs Acetaminophen for AMS Prevention
AMS (acute mountain sickness) affects those who ascend too high (>2000m) too fast. Acetazolamide is an effective drug for the prevention of AMS where proper acclimatization with gradual ascent may not be an option.
- Trial name
- NCT02244437
- Testing
- Ibuprofen, Acetaminophen
- Where
- Nepal
- Volunteers
- 288 people, healthy volunteers welcome
- Sponsor
- Mountain Medicine Society of Nepal
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
High Altitude, Healthy
Assessment of Total Pulmonary Resistance sPAP/CO Between Sea Level LA vs. High Altitude HA After Re-ascent in Healthy Individuals
To study the effect of a re-ascent after a one-week stay at sea level (after prior descent from 2850m) to high altitude (Quito Ecuador: 2850m) on pulmonary resistance (sPAP/CO) and other hemodynamic outcomes in healthy…
- Conditions
- High Altitude, Healthy, Healthy Adult, High Altitude Effects
- Trial name
- NCT07804589
- Testing
- Re-Ascent from sea level to 2850m
- Where
- Switzerland
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Silvia Ulrich Somaini
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
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
High Altitude Effects
Measurement of Cardiopulmonary Variables After Acute Exposure to High Altitude
As altitude increases, the availability of oxygen in the air decreases, and just to compensate for this lack, the body increases cardiac and respiratory work and changes blood pressure.
- Trial name
- NCT05769140
- Where
- Italy
- Volunteers
- 8,000 people, healthy volunteers welcome
- Sponsor
- Centro Cardiologico Monzino
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
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
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
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
Acute Mountain Sickness
The Effect of Continuous Positive Pressure Ventilation on Symptoms of Acute Mountain Sickness
Acute Mountain Sickness (AMS) is a common condition affecting individuals traveling to elevations greater than 2500 meters (8200 feet).
- Trial name
- NCT06145113
- Testing
- Continuous positive airway pressure (CPAP), ResMed AirMini
- Where
- Nepal
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Altitude Sickness
Inhaled Budesonide for Altitude Illness Prevention
A randomized, double-blinded study administering budesonide, a medication to reduce inflammation in the lungs, to healthy volunteers to examine effects on altitude illness prevention by spending 18 hours overnight at 14,000 ft…
- Trial name
- NCT02941510
- Testing
- Budesonide
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
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