Clinical trials: Altitude
Sleep Disorder (Disorder)
Evaluation of Changes in Sleep Efficiency Among PIC DU MIDI Staff Between Nights Spent at Home and Nights Spent in the Workplace Under High Altitude Conditions
Sleep organization and cardiorespiratory parameters are disrupted in extreme conditions such as high altitude. The pathophysiology of medical problems related to acute high-altitude exposure is partially understood, but sleep…
- Trial name
- ALTISOM (NCT07423988)
- Testing
- Sleep recording
- Where
- France
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- University Hospital, Toulouse
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, 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
Premature Birth, Hypoxia
Hypoxia Intolerance in Preterm Individuals
Reduced Hypoxic Ventilatory Response (HVR) and systemic O2 saturation subsequently leading to blunted aerobic capacity as well as decreased overall physical and cognitive performance are the main physiological challenges faced by…
- Trial name
- PreAlti (NCT04739904)
- Testing
- Normoxia, Normobaric hypoxia, Hypobaric hypoxia
- Where
- 3 sites in Slovenia, Switzerland
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Jozef Stefan Institute
Effect of High Altitude
Effect of High Altitude Exposure, Acclimatization and Re-exposure on Lung Water Content by Ultrasound
Prospective interventional trial in lowlanders evaluating effect of acute exposure, acclimatization and re-exposure to high altitude.
- Trial name
- NCT02760186
- Testing
- Altitude Exposure
- Where
- Switzerland
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- University of Zurich
Cognition
The Study on Effects of Acute Exposure to High Altitude Hypoxia on Cognitive Function in Lowlanders
The purpose of this study is to investigate the impact of rapid elevation to 3,800 meters on the cognitive function of low-altitude residents through a plateau field and plain control study, and explore the objective indicators…
- Trial name
- NCT05411185
- Where
- China
- Volunteers
- 43 people, healthy volunteers welcome
- Sponsor
- Xijing Hospital
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
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.
Altitude Hypoxia
Effect of Acetazolamide on Sleep Disordered Breathing in Lowlanders Older Than 40 Years at Altitude
Randomized, placebo controlled trial evaluating the effect of acetazolamide on sleep disordered breathing in lowlanders older than 40 years travelling from 760 m to 3'100 m.
- Trial name
- NCT03536507
- Testing
- ACETAZOLAMIDE oral capsule
- Where
- Kyrgyzstan
- Volunteers
- 185 people, healthy volunteers welcome
- Sponsor
- University of Zurich
Continuous Positive Airway Pressure, High Altitude Pulmonary Edema
Evaluating the Utility of Continuous Positive Airway Pressure in the Treatment of High Altitude Pulmonary Edema
The primary objective is to evaluate the efficacy of continuous positive pressure on resolution of high-altitude pulmonary edema vs high flow oxygen.
- Trial name
- NCT04186598
- Testing
- CPAP mask system, Nifedipine 30 MG, CPAP mask system without PEEP
- Where
- United States
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- CommonSpirit Health
Hypoxia
Neuropsychological Sleep Physical Exercise Hypoxia
Aim: To evaluate the influence of oxygen deficit on the cognitive performance and also about the architecture and sleep efficiency in volunteers subjected to mild and moderate exercise in a hypobaric chamber.
- Trial name
- Hypoxia (NCT01386814)
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Federal University of São Paulo
Effect of High Altitude
Effect of High Altitude Exposure, Acclimatization and Re-exposure on Cerebral Autoregulation in Lowlanders
Prospective interventional trial in lowlanders evaluating the effect of acute exposure, acclimatization and re-exposure to high altitude on cerebral autoregulation
- Trial name
- NCT02829255
- Testing
- altitude exposure
- Where
- Switzerland
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- University of Zurich
Effect of High Altitude
Effect of High Altitude Exposure, Acclimatization and Re-exposure on Nocturnal Breathing Pattern in Lowlanders
Prospective interventional trial in lowlanders evaluating the effect of acute exposure, acclimatization and re-exposure of high altitude on nocturnal breathing pattern.
- Trial name
- NCT02730143
- Testing
- Altitude exposure
- Where
- Switzerland
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- University of Zurich
Hypoxia, Altitude, Cold Exposure
Effects of Physical Training in Altered Environmental Conditions on Exercise Performance
The main objective of the study is to evaluate the physiological-biochemical effects of physical training under artificially altered climatic conditions (using a hypoxic thermoclimatic chamber) in particular to determine the…
- Conditions
- Hypoxia, Altitude, Cold Exposure, Heat Exposure
- Trial name
- NCT06159374
- Testing
- exercise and environmental conditions
- Where
- Poland
- Volunteers
- 128 people, healthy volunteers welcome
- Sponsor
- University School of Physical Education, Krakow, Poland
Sleep-Disordered Breathing
HighCycle Study: Effect of High Altitude on Sleep Disordered Breathing in Women Related to Their Menstrual Cycle Phase
Prospective cohort study investigating the menstrual cycle phase (MCP) dependent sleep disordered breathing (SDB) in women travelling to 3600 m.
- Trial name
- NCT06498544
- Testing
- Exposure to 3600 m
- Where
- Kyrgyzstan
- Volunteers
- 91 people, healthy volunteers welcome
- Sponsor
- University of Zurich
Hypoxia, Altitude
Cocoa Flavanol Intake and Exercise in Hypoxia
Not uncommonly, sports events take place or finish at high altitude, where physical and cognitive (e.g. decision-making, motor control) performance in hypoxia is determining the outcome of sports performance.
- Trial name
- NCT03135314
- Testing
- cocoa flavanol
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Vrije Universiteit Brussel
Healthy
Biovitals Analytics Engine - Altitude Study
Unexpected adverse health events resulting in a hospital admission can be potentially avoided by leveraging novel physiological sensors combined with advanced computational techniques to predict changes in physiology prior to the…
- Trial name
- NCT03661606
- Testing
- Simulated Altitude Chamber
- Where
- Singapore
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Biofourmis Singapore Pte Ltd.
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
Hypoxia, Normobaric Hypoxia
Effect of Acute Hypoxia on RIght VEntRicular Function in Healthy Adults.
More and more people are engaging in sports in the mountains, including individuals with heart or lung diseases. At the same time, such diseases are becoming more common in Switzerland.
- Conditions
- Hypoxia, Normobaric Hypoxia, Altitude Hypoxia, Right Heart Function
- Trial name
- RIVER-H (NCT07431567)
- Testing
- Normobaric Hypoxia
- Where
- 2 sites in Switzerland
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Mona Lichtblau
Healthy
Hypoxia Impairs Endothelial Function in HAPEs
Aim of the study is to investigate the function of the systemic vascular endothelium in individuals susceptible to high-altitude pulmonary oedema during normoxia and normobaric hypoxia.
- Trial name
- NCT00176007
- Testing
- Hypoxia
- Volunteers
- healthy volunteers welcome
- Sponsor
- Heidelberg University