Clinical trials: High Altitude Hypoxia
High Altitude Pulmonary Hypertension
Highlanders With High Altitude Pulmonary Hypertension (HAPH), 6 Minute Walk Distance (6MWD) Assessed at 3200m With and Without Supplemental Oxygen Therapy (SOT)
The investigators aim to study the effect of SOT in highlanders with high altitude pulmonary hypertension (HAPH) who permanently live >2500m on 6-minute walk distance (6MWD) assessed at 3200m.
- Trial name
- NCT06489743
- Testing
- 6-minute walk test (6MWT)
- Where
- Kyrgyzstan
- Volunteers
- 24 people
- Sponsor
- University of Zurich
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
Respiratory Distress Syndrome, Pediatric, Altitude Hypoxia
Altitude and Outcomes in Pediatric ARDS: A Multicenter Study
This multicenter observational study will evaluate the association between geographic altitude, availability of critical care resources, and clinical outcomes in children with pediatric acute respiratory distress syndrome…
- Conditions
- Respiratory Distress Syndrome, Pediatric, Altitude Hypoxia, High Altitude Effects
- Trial name
- LARed-ALT (NCT07193771)
- Testing
- Geographic Altitude
- Where
- 20 sites in Bolivia, Chile and 3 more
- Volunteers
- 1,600 people
- Sponsor
- Latin American Pediatric Collaborative Network
Pulmonary Hypertension
Acute Exposure of High Altitude on Cognitive Function
Randomized crossover Trial in patients with pulmonary arterial hypertension (PAH) or chronic thromboembolic pulmonary Hypertension (CTEPH) to assess the acute response to High Altitude (2500m above sea level) on cognitive…
- Trial name
- NCT03637192
- Testing
- Low altitude: 470m above sea level, Säntis; 2500m above sea Level
- Where
- Switzerland
- Volunteers
- 28 people
- Sponsor
- University of Zurich
Altitude, Hypoxia
Tübingen High Altitude Ophthalmology Study
Tuebingen High Altitude Ophthalmology Study to investigate the effects of high altitude on retinal structure and function as well as anterior chamber in regard to acute mountain sickness.
- Trial name
- THAO (NCT01245114)
- Where
- Germany
- Volunteers
- healthy volunteers welcome
- Sponsor
- University Hospital Tuebingen
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
Hypoxia, Exogenous Ketosis
The Effects of Ketone Ester Supplementation During a 5 Week Live High, Train Low Altitude Training Camp
This study aims to investigate the effects of post-exercise and pre-sleep exogenous ketosis via oral ketone ester supplementation during a 5 week simulated altitude training camp.
- Trial name
- NCT06596083
- Testing
- Ketone ester supplement
- Where
- Belgium
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- KU Leuven
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
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, Pulmonary
Study of the Effects of Iron on Lung Blood Pressure at High Altitude
Body iron levels may be important in determining how the blood pressure in the lungs changes in response to low oxygen levels. At high altitude, where oxygen levels are low, some patients develop elevated lung blood pressure.
- Trial name
- NCT00960921
- Testing
- Iron sucrose, Normal saline
- Where
- Kyrgyzstan
- Sponsor
- University of Oxford
Hypoxia
Intravenous Iron Effects on Performance at High Altitude
To compare the effects of IV iron versus placebo (saline) injection on arterial oxygen saturation, submaximal exercise responses, and 2-mile treadmill time-trial performance during acute exposure to hypobaric hypoxia (430 mmHg…
- Trial name
- NCT06686693
- Testing
- Injectafer
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- United States Army Research Institute of Environmental Medicine
Pulmonary Hypertension
Acute Exposure to High Altitude on Symptoms
Randomized crossover Trial in patients with Pulmonary Hypertension (PAH, CTEPH) to assess the acute response to High Altitude (2500m above sea level) in altitude related symptoms
- Trial name
- NCT03593005
- 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
Pulmonary Edema
Pulmonary Function at High-Altitude
Based on the findings of decreased vital capacity, decreased FEV1 and increased closing volume after ascent to high altitude, some investigators suggest the presence of a subclinical high altitude pulmonary edema (HAPE).
- Trial name
- NCT00604227
- Testing
- Hypoxic Exposure
- Where
- Germany
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Heidelberg University
Altitude Edema
Advair HFA in Healthy and HAPE Predisposed Subjects
The current protocol is composed of two studies. The first study is designed to carefully evaluate the safety of high-dose salmeterol/fluticasone (Advair HFA) versus placebo (hydrofluoroalkane, HFA) administration over 7 days, as…
- Trial name
- SWIFTARC (NCT06040268)
- Testing
- Advair HFA
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
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.
High Altitude Pulmonary Hypertension, Sleep Apnea
HAPH Registry: Time Course and Prognostic Significance of Pulmonary Artery Pressure in Highlanders.
The purpose of the current study is to evaluate the clinical and physiologic course of Kyrgyz highlanders with high altitude pulmonary hypertension (HAPH) by performing a longitudinal cohort study.
- Trial name
- NCT06489730
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- University of Zurich
High Altitude Pulmonary Hypertension, Sleep
Nocturnal Oxygenation and Sleep-related Breathing Disorders During the First Night of a Stay at 2500m of High Altitude in Patients With Precapillary Pulmonary Hypertension
The impact of hypoxia at 2500m of high altitude on sleep in patients with precapillary pulmonary hypertension
- Trial name
- NCT05089487
- Testing
- Nocturnal rest (sleep study)
- Where
- Switzerland
- Volunteers
- 28 people
- Sponsor
- University of Zurich
Neuromuscular Diseases, High Altitude Hypoxia
Assessing Air Travel Safety in Neuromuscular Dystrophy: Standard Versus Prolonged High Altitude Simulation Tests
To determine if a prolonged high altitude simulation test (HAST) lasting two hours, identifies more patients at risk of respiratory failure than the standard HAST lasting 20 minutes, in patients with neuromuscular disease (NMD)…
- Trial name
- NCT03312361
- Testing
- 15% oxygen
- Where
- Canada
- Volunteers
- 23 people
- Sponsor
- The Hospital for Sick Children
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
High Altitude Pulmonary Edema, Non-Invasive Positive Pressure Ventilation
Non-Invasive Positive Pressure Ventilation Management of High Altitude Pulmonary Edema
Trial of Non-Invasive Positive Pressure Ventilation Management of High Altitude Pulmonary Edema
- Conditions
- High Altitude Pulmonary Edema, Non-Invasive Positive Pressure Ventilation, Hypoxia
- Trial name
- NCT04288219
- Testing
- Non-Invasive Positive Pressure Ventilation, Nifedipine, supplemental oxygen
- Where
- Nepal
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital