Altitude Clinical Trials

21 recruitingLast updated: July 25, 2026

There are 21 actively recruiting altitude clinical trials across 12 countries. Studies span Not Applicable, Phase 4, Phase 1, Phase 2. Top locations include Zurich, Canton of Zurich, Switzerland, Zurich, Switzerland, Macao, China. Updated daily from ClinicalTrials.gov.


Altitude Trials at a Glance

21 actively recruiting trials for altitude are listed on ClinicalTrialsFinder across 6 cities in 12 countries. The largest study group is Not Applicable with 15 trials, with the heaviest enrollment activity in Zurich, Zurich, and Macao. Lead sponsors running altitude studies include Macao Polytechnic University, Mona Lichtblau, and University of Ottawa.

Browse altitude trials by phase

Treatments under study

About Altitude Clinical Trials

Looking for clinical trials for Altitude? There are currently 3 studies actively recruiting participants. Clinical trials offer access to new treatments before they are widely available, and every approved therapy in use today was first tested through a clinical trial.

Below you can browse trials, sign up for alerts when new Altitude trials open, and view eligibility criteria for each study. Each listing includes the study phase, locations, and enrollment details.

Frequently Asked Questions

Common questions about Altitude clinical trials

A clinical trial is a carefully designed research study that tests new medical treatments, drugs, devices, or approaches in human volunteers. Every approved medication and treatment available today was proven safe and effective through clinical trials.

All clinical trials are reviewed and approved by Institutional Review Boards (IRBs) — independent committees that evaluate patient safety. Trials follow strict protocols, and your health is monitored closely throughout. You can withdraw at any time.

Not necessarily. Many trials compare the new treatment against the current standard of care, meaning all participants receive active treatment. When placebos are used, they are typically combined with standard treatment, not given alone. The trial description will always specify the design.

Under the Affordable Care Act, most private insurers are required to cover routine patient care costs during a clinical trial. The sponsor typically covers the investigational treatment itself. Medicare also covers routine costs for qualifying trials.

Yes. Participation is completely voluntary. You can withdraw at any time, for any reason, without it affecting your access to standard medical care.

Each trial has specific eligibility criteria — including age, diagnosis, disease stage, prior treatments, and general health. Browse the trials listed above and check their eligibility sections. You can also contact the trial site directly to discuss your situation.

Showing 120 of 21 trials

Recruiting
Not Applicable

Working in the Heat at Simulated Altitude: Effects of Normobaric Hypoxia on Physiological Strain

Physiological StressHeat ExposureWork Related Stress+4 more
University of Ottawa20 enrolled1 locationNCT07664462
Recruiting

Altitude and Outcomes in Pediatric ARDS: A Multicenter Study

High Altitude EffectsAltitude HypoxiaRespiratory Distress Syndrome, Pediatric
Latin American Pediatric Collaborative Network1,600 enrolled20 locationsNCT07193771
Recruiting
Not Applicable

Effects of a 4-Week Altitude Training on Sport-Specific Performance, Body Composition, and Cardiac and Pulmonary Function in Adolescent Male Rowers

High-altitude Training Adaptations in Adolescent Male Rowers
Macao Polytechnic University20 enrolled1 locationNCT07612956
Recruiting
Not Applicable

Effect of Acute Hypoxia on RIght VEntRicular Function in Asthma.

HypoxiaHypoxia, AltitudeNormobaric Hypoxia+1 more
Mona Lichtblau18 enrolled1 locationNCT07431580
Recruiting
Not Applicable

Effect of Hot Spring Therapy on Central Fatigue Elimination During Altitude Training

Cognitive ImpairmentSports PerformanceCentral Fatigue+3 more
Macao Polytechnic University27 enrolled1 locationNCT07615478
Recruiting
Not Applicable

Effect of Hot Spring Therapy on Cognitive Function Recovery During Altitude Training

Exercise performanceCognitive FunctionHypoxia+4 more
Macao Polytechnic University27 enrolled1 locationNCT07608913
Recruiting
Not Applicable

Effect of Hot Spring Therapy on Autonomic Nervous System and Exercise Performance During Altitude Training

Exercise performanceHydrotherapyAltitude Training Adaptation+2 more
Macao Polytechnic University27 enrolled1 locationNCT07608887
Recruiting
Not Applicable

High-flow Nasal Cannula Oxygen Therapy Versus Conventional Oxygen Therapy in High-altitude Pulmonary Edema

High-altitude Pulmonary Edema
Third Military Medical University200 enrolled1 locationNCT07536477
Recruiting
Not Applicable

Effect of Acute Hypoxia on RIght VEntRicular Function in HAPE.

HypoxiaNormobaric HypoxiaAltitude Hypoxia+1 more
Mona Lichtblau18 enrolled1 locationNCT07431554
Recruiting
Not Applicable

Effect of Acute Hypoxia on RIght VEntRicular Function in Healthy Adults.

HypoxiaNormobaric HypoxiaAltitude Hypoxia+1 more
Mona Lichtblau18 enrolled2 locationsNCT07431567
Recruiting
Not Applicable

Determination of Iron Absorption and Losses in People Living at High Altitude to Investigate the Requirements in This Population Group Using a Newly Developed Technique

Iron AbsorptionIron RequirementsAltitude
Diego Moretti120 enrolled1 locationNCT07142590
Recruiting
Phase 1Phase 2

Advair HFA in Healthy and HAPE Predisposed Subjects

Altitude Edema
University of Colorado, Denver60 enrolled1 locationNCT06040268
Recruiting
Phase 4

HighCycle Study: Acetazolamide, High Altitude and Plasma Volume

WomenHigh Altitude EffectsHigh Altitude Hypoxia+2 more
Centre d'Expertise sur l'Altitude EXALT270 enrolled1 locationNCT07118462
Recruiting
Not Applicable

Ketone Monoester Supplements, High Altitude, and Brain Blood Flow During Exercise

ExerciseHigh Altitude Hypoxia
McMaster University14 enrolled2 locationsNCT07063732
Recruiting

Evaluation of Membrane Lung Function in High-altitude Regions

Extracorporeal Membrane OxygenationMembrane Lung FunctionHigh Altitude
Beijing Chao Yang Hospital40 enrolled1 locationNCT06152744
Recruiting
Phase 4

HighCycle: Effect of Acetazolamide on Pulmonary Artery Pressure in Women Compared to Men

High Altitude
University of Zurich270 enrolled1 locationNCT06498505
Recruiting
Not Applicable

Hypoxia, Appetite, and Energy Intake in Young Female Adults

Energy intakeHypoxiaAppetite+1 more
University of Ottawa10 enrolled1 locationNCT06912230
Recruiting
Not Applicable

Short-term Exposure to High Altitude in Patients With Asymptomatic Aortic Stenosis

Aortic StenosisAltitude
Insel Gruppe AG, University Hospital Bern60 enrolled1 locationNCT06894550
Recruiting
Not Applicable

Inhaled Nitric Oxide for High Amplitude Pulmonary Edema (HAPE)

High Altitude Pulmonary Hypertension
Novlead Inc.100 enrolled1 locationNCT06852924
Recruiting

Measurement of Cardiopulmonary Variables After Acute Exposure to High Altitude

High Altitude Effects
Centro Cardiologico Monzino8,000 enrolled1 locationNCT05769140