Clinical trials: Altitude Hypoxia
Acute Mountain Sickness
The Effects of Intermittent Hypoxia on Acute Hypoxic Injury
This study intends to further reveal the effectiveness of intermittent hypoxia in preventing acute hypoxic injury.
- Trial name
- NCT05733338
- Testing
- Intermittent Hypoxia
- Where
- China
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Capital Medical University
Mountain Sickness, Chronic
Chronic Mountain Sickness, Systemic Vascular Function
Diseases associated with chronic hypoxemia like chronic obstructive pulmonary disease (COPD) or emphysema, represent major medical and socio-economical problems and one of the leading cause of morbidity and mortality in the…
- Trial name
- CMS (NCT01182792)
- Testing
- Vitamin C and E
- Where
- 2 sites in Bolivia, Switzerland
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Lausanne Hospitals
Hypoxia, Altitude, Blood Flow Restriction
Effects of Low-Intensity Blood Flow Restriction Training in Normoxia and Hypoxia Conditions
One approach to significantly reducing resistance training intensity while maintaining effectiveness in muscle mass and strength development involves conducting training sessions under hypoxic conditions.
- Conditions
- Hypoxia, Altitude, Blood Flow Restriction, Resistance Training
- Trial name
- NCT06171841
- Testing
- low-intensity resistance training, high-intensity resistance training, low-intensity resistance training combined with blood flow restriction
- Where
- Poland
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- The Jerzy Kukuczka Academy of Physical Education in Katowice
Hypobaric Hypoxia
Pharmacological Countermeasures for High Altitude
The aim of this randomized, double-blind study is to determine whether erythropoietin (Procrit) and acetazolamide: 1) mitigates altitude-induced decrements in performance at moderate altitude (3,000 m) and 2) mitigates…
- Trial name
- NCT05300477
- Testing
- Acetazolamide, Erythropoietin
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- United States Army Research Institute of Environmental Medicine
Pulmonary Hypertension
Acute Exposure of Simulated Hypoxia on Heart Rate and Ventilation During Exercise
Randomized crossover trial in patients with Pulmonary Hypertension (PAH, CTEPH) to assess the acute response to simulated altitude (FIO2: 15.1% = equivalent to 2500m above sea level) on heart rate and Ventilation changes under…
- Trial name
- NCT03592979
- Testing
- Simulated Altitude: (FiO2: 15.1)
- Where
- Switzerland
- Volunteers
- 28 people
- Sponsor
- University of Zurich
Healthy
Identifying Biological Markers for Altitude Exposure and Use of Recombinant Human Erythropoietin (rHuEPO)
The project represents a well powered study of the human response to altitude exposure combined with rHuEPO treatment. A total of 20 male and 20 female non-competing athletes will participate.
- Trial name
- NCT04227665
- Testing
- Sea level, Altitude
- Where
- Denmark
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Copenhagen
Pulmonary Hypertension
Acute Exposure of Simulated Hypoxia on Blood and Tissue Oxygenation (aBGA, NIRS)
Randomized crossover trial in patients with pulmonary arterial hypertension (PAH) and chronic thromboembolic pulmonary Hypertension (CTEPH) to assess the acute response to simulated altitude (FiO2:15.1, equivalent to 2500m above…
- Trial name
- NCT03637114
- Testing
- Simulated Altitude (FiO2: 15.1%)
- Where
- Switzerland
- Volunteers
- 28 people
- Sponsor
- University of Zurich
Exercise-induced Bronchoconstriction (EIB)
Hypoxic Environment on EIB and Performance in Race Walkers
Title: Diagnosis and Impact of Exercise-Induced Bronchoconstriction (EIB) in Athletes During Altitude Training Study Description: We invite you to participate in a research study examining Exercise-Induced Bronchoconstriction…
- Trial name
- EIB-H (NCT07466849)
- Testing
- High-Altitude Training & Hypoxic Environment Exposure
- Where
- China
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- Shanghai University of Sport
Hypoxia, Altitude Sickness
Cardio-respiratory Responses During Hypoxic Exercise in Individuals Born Prematurely
This project will consist of two studies, each investigating resting and exercise cardio-respiratory responses during exposure to hypoxia in individuals born prematurely and individuals born at full term of two different age…
- Conditions
- Hypoxia, Altitude Sickness, Tolerance
- Trial name
- PreTerm (NCT02780908)
- Testing
- Graded exercise testing, Resting testing
- Where
- 2 sites in Slovenia
- Volunteers
- 37 people, healthy volunteers welcome
- Sponsor
- Jozef Stefan Institute
Chronic Obstructive Pulmonary Disease, Altitude Sickness
Acetazolamide to Prevent Impending Altitude-illness in Patients With COPD
The purpose of this randomized, placebo-controlled double-blind trial is to evaluate efficacy of acetazolamide in preventing overt altitude-related adverse health effects (ARAHE) in lowlanders with chronic obstructive pulmonary…
- Conditions
- Chronic Obstructive Pulmonary Disease, Altitude Sickness, Altitude Hypoxia
- Trial name
- NCT04913389
- Testing
- Acetazolamide
- Where
- Kyrgyzstan
- Volunteers
- 100 people
- Sponsor
- University of Zurich
Altitude Hypoxia
Effect of Acetazolamide on Postural Control in Lowlanders Older Than 40 Years at Altitude
Randomized, placebo controlled trial evaluating the effect of acetazolamide on postural control in lowlanders older than 40 years travelling from 760 m to 3'100 m.
- Trial name
- NCT03536429
- Testing
- ACETAZOLAMIDE oral capsule
- Where
- Kyrgyzstan
- Volunteers
- 99 people, healthy volunteers welcome
- Sponsor
- University of Zurich
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
Hypertension, Cardiovascular Risk Factor
HIGH Altitude CArdiovascular REsearch Latin America Population Study
High blood pressure (BP) is one of the principal cardiovascular risk factors. While BP levels and hypertension prevalence are well characterized in many populations, information on BP and on cardiovascular risk profile in high…
- Conditions
- Hypertension, Cardiovascular Risk Factor, Altitude Hypoxia, Altitude Sickness
- Trial name
- HIGHCARE-LAPS (NCT04751292)
- Testing
- Exposure to high altitude
- Where
- Peru
- Volunteers
- 937 people, healthy volunteers welcome
- Sponsor
- Istituto Auxologico Italiano
Hypoxia, Endotoxemia
Cerebral Blood Flow and Metabolism During Hypoxia and Endotoxemia
The objective of the present protocol is to study whether a low level of oxygen in the blood will affect the immune response to as well as cerebral blood flow and metabolism during an infection and, conversely, whether the acute…
- Conditions
- Hypoxia, Endotoxemia, Healthy
- Trial name
- NCT00332267
- Testing
- Endotoxin infusion, Normobaric hypoxia
- Where
- Denmark
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Copenhagen University Hospital, Rigshospitalet
Altitude Intolerance, High-Altitude Illness
Relationship Between Succinate Dehydrogenase Mutations and High-Altitude Illness
This study is is the first step of a full study named CHEMOGENE because it explores the genetic determinant of an alteration of the chemoreflex.
- Trial name
- NCT00202683
- Where
- France
- Volunteers
- 83 people, healthy volunteers welcome
- Sponsor
- Société Française de Cardiologie
Altitude Hypoxia
Effect of Acetazolamide on Right Heart Function During Exercise in Lowlanders Older Than 40 Years at Altitude
Randomized, placebo controlled trial evaluating efficacy of acetazolamide on right heart function during exercise in lowlanders older than 40 years travelling from 760 m to 3'100 m.
- Trial name
- NCT03537924
- Testing
- ACETAZOLAMIDE oral capsule
- Where
- Kyrgyzstan
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of Zurich
Hypoxia, Mental Disorder
Going to Altitude With Anxious-depressive Symptoms
Introduction: Currently, there is a lack of international guidelines or clinical recommendations for individuals with mental illnesses (i.e., bipolar disorder, posttraumatic stress disorder) going on high altitude sojourns.
- Trial name
- Psychoxie (NCT05323864)
- Testing
- Hypoxia
- Where
- Austria
- Volunteers
- 68 people, healthy volunteers welcome
- Sponsor
- Universitaet Innsbruck
Lung Transplantation, Hypoxia
Adaptation of Lung Transplant Recipients at Extreme Altitude
This prospective observational study investigates the effects of intermittent hypoxic conditioning and real high-altitude exposure in lung transplant recipients compared with healthy controls.
- Conditions
- Lung Transplantation, Hypoxia, Altitude, High-altitude Adaptation
- Trial name
- NCT07479511
- Where
- Austria
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
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
Altitude Hypoxia
Effect of Acetazolamide on Maximal Exercise Performance in Lowlanders Older Than 40 Years at Altitude
Randomized, placebo controlled trial evaluating the effect of acetazolamide on maximal exercise performance in lowlanders older than 40 years travelling from 760 m to 3'100 m.
- Trial name
- NCT03536455
- Testing
- ACETAZOLAMIDE oral capsule
- Where
- Kyrgyzstan
- Volunteers
- 92 people, healthy volunteers welcome
- Sponsor
- University of Zurich