Clinical trials: Mountain Sickness Acute
High Altitude Effects, High Altitude Hypoxia
HighCycle Study: Acetazolamide, High Altitude and Plasma Volume
Each year, millions of people living at low altitude (< 1,000 m) travel to high altitude (≥ 2,500 m) for work, tourism, or sports activities.
- Conditions
- High Altitude Effects, High Altitude Hypoxia, Acute Mountain Sickness (AMS), Plasma Volume
- Trial name
- NCT07118462
- Testing
- Acetazolamide
- Where
- Kyrgyzstan
- Volunteers
- 270 people, healthy volunteers welcome
- Sponsor
- Centre d'Expertise sur l'Altitude EXALT
Pulmonary Hypertension
Acute Exposure to High Altitude on Heart Rate and Ventilation During Exercise
Randomized crossover trial in patients with Pulmonary Hypertension (PAH, CTEPH) to assess the acute response to High Altitude (Säntis; 2500m above sea level) on heart rate and Ventilation changes under exercise.
- Trial name
- NCT03593096
- Testing
- Assessment at Low Altitude (470m above sea level), Exposure to High Altitude (2500m above sea level)
- Where
- Switzerland
- Volunteers
- 28 people
- Sponsor
- University of Zurich
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
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
Acute Mountain Sickness
Voluntary Isocapnic Hyperpnea in Hypoxia to Mitigate Acute Mountain Sickness
This study investigates the effects of a brief Voluntary Isocapnic Hyperpnoea (VIH) on Acute Mountain Sickness (AMS) symptoms, SpO₂, blood pressure, and blood gas homeostasis in normobaric hypoxia, to evaluate whether such…
- Trial name
- NCT07126834
- Testing
- VIH
- Where
- Poland
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Institute of Sport - National Research Institute, Poland
High Altitude Pulmonary Edema, Acute Mountain Sickness
Randomized, Controlled Trial of Regular Sildenafil Citrate in the Prevention of Altitude Illness
The purpose of this study is to determine whether regular oral use of sildenafil citrate can prevent or attenuate high altitude illnesses.
- Trial name
- NCT00627965
- Testing
- Sildenafil citrate
- Volunteers
- 62 people, healthy volunteers welcome
- Sponsor
- Altitude Physiology Expeditions
Altitude Sickness
Controlled Hyperventilation as Prophylaxis for Acute Mountain Sickness
This study evaluates the safety and efficacy of the voluntary ventilatory response as prophylaxis for acute mountain sickness, measured by the Lake Louise Self-Report Score, comparing to a group using acetazolamide.
- Trial name
- NCT02972411
- Testing
- Voluntary ventilatory response, Acetazolamide
- Where
- Chile
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Hospital del Trabajador de Santiago
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
Acute Mountain Sickness
Prevention of Acute Mountain Sickness by Intermittent Hypoxia
Acclimatization by mountaineering prior to high altitude sojourns have shown to be effective in prevention of acute mountain sickness (AMS).
- Trial name
- NCT00559832
- Testing
- Hypoxic Exposure
- Where
- Germany
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Heidelberg University
Mountain Sickness Acute
Breathing Training to Improve Human Performance at High Altitude
Individuals traveling to altitudes above 8,000 feet may suffer from impaired exercise and cognitive performance, and acute mountain sickness (AMS).
- Trial name
- NCT03530163
- Testing
- Respiratory Muscle Training
- Where
- United States
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Acute Mountain Sickness, High Altitude Pulmonary Edema
Risk Factors Associated With High Altitude Sickness: A Case-Control Study
Research Title: RISK FACTORS ASSOCIATED WITH HIGH ALTITUDE SICKNESS: A CASE-CONTROL STUDY Rationale: The Study will help us to identify risk factors of high altitude sickness among Nepalese and International patients.
- Conditions
- Acute Mountain Sickness, High Altitude Pulmonary Edema, High Altitude Cerebral Edema
- Trial name
- NCT06039475
- Where
- Nepal
- Volunteers
- 126 people, healthy volunteers welcome
- Sponsor
- B.P. Koirala Institute of Health Sciences
AMS, Acute Mountain Sickness
Efficacy of Prophylactic Treatment of Oral Prochlorperazine for Acute Mountain Sickness
A field-based trial was conducted to determine if oral prochlorperazine demonstrates efficacy in the prophylactic treatment of AMS, and/or decreases the incidence of the symptoms of acute mountain sickness including headache, GI…
- Trial name
- PAMS (NCT06310642)
- Testing
- Immediate descent from altitude., Diphenhydramine, Prochlorperazine 10 mg
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- CHRISTUS Health
Acute Mountain Sickness
Study of Compound Danshen Dripping Pills to Treat Acute Mountain Sickness
This study is to evaluate the efficacy and safety of compound danshen dripping pills in preventing and treating acute mountain sickness.
- Trial name
- NCT03270787
- Testing
- Compound danshen dripping pills
- Where
- China
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- Tasly Pharmaceuticals, Inc.
Pulmonary Hypertension
Acute Exposure to High Altitude on Pulmonary Artery Pressure and Right Heart Function (Echo) Under Exercise
Randomized crossover Trial in patients with Pulmonary Hypertension (PAH, CTEPH) to assess the acute response to High Altitude (2500m above sea level) on pulmonary artery pressure and right heart function (Echo) under exercise.
- Trial name
- NCT03637179
- Testing
- Assessment at Low Altitude (470m above sea level), Exposure to High Altitude (2500m above sea level)
- Where
- Switzerland
- Volunteers
- 28 people
- Sponsor
- University of Zurich
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
Acute Mountain Sickness
Altitude Sickness Prevention and Efficacy of Comparative Treatments
This study is designed to be the first to examine the novel drug budesonide for prevention of acute mountain sickness in comparison to acetazolamide and in the context of rapid ascent to high altitude.
- Trial name
- ASPECT (NCT02604173)
- Testing
- Budesonide, Acetazolamide
- Where
- United States
- Volunteers
- 103 people, healthy volunteers welcome
- Sponsor
- Stanford University
Hypobaric Hypoxia, Metabolomics
Oxidative Stress in Hypobaric Hypoxia
The trial investigates changes in metabolism during high altitude expedition up to 6865m. A mass-spectrometry based platform is used to detect different oxidative stress related metabolites.
- Conditions
- Hypobaric Hypoxia, Metabolomics, Oxidative Stress, Acute Mountain Sickness
- Trial name
- NCT01436383
- Testing
- Hypoxic exposure
- Where
- Switzerland
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern
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
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
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