Clinical trials: Altitude Edema
High Altitude Pulmonary Edema
Prevention of High Altitude Pulmonary Edema
A double-blind placebo controlled study To compare the effect of tadalafil and dexamethasone versus placebo on Ppa and pulmonary edema formation in subjects susceptible to HAPE.
- Trial name
- NCT00274430
- Testing
- dexamethasone 8 mg bid, tadalafil 10mg bid
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Zurich
High Altitude Cerebral Edema
Spectroscopic and Diffusion Weighted Analysis of the Effects of Dexamethasone on High Altitude Cerebral Oedema (HACE)
When the brain detects a drop in oxygen levels in the blood (hypoxia) there is a compensatory increase in blood flow. Acute mountain sickness (AMS) is a cluster of symptoms which commonly occur in those ascending to high altitude…
- Trial name
- D4H (NCT03341676)
- Testing
- Dexamethasone
- Where
- United Kingdom
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University Hospitals Coventry and Warwickshire NHS Trust
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
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
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
Pulmonary Edema, Cerebral Edema
Tadalafil and Acetazolamide Versus Acetazolamide in Acute Mountain Sickness Prevention
To evaluate the additive value of tadalafil given together with Diamox (acetazolamide) in preventing acute mountain sickness in travelers to high altitude areas.
- Trial name
- NCT01060969
- Testing
- Tadalafil and acetazolamide, Acetazolamide
- Where
- 3 sites in Israel
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Sheba Medical Center
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
High Altitude Pulmonary Hypertension, Sleep Apnea
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
- NCT03165019
- Where
- Kyrgyzstan
- Volunteers
- 165 people, healthy volunteers welcome
- Sponsor
- University of Zurich
High Altitude Pulmonary Edema
Comparison of CPAP and Gamow Bag Ventilation to Treat HAPE
High altitude pulmonary edema (HAPE) is mostly treated with supplemental oxygen, nifedipine 30mg twice a day, rest, limiting cold exposure and descent (simulated or actual) Gamow Bag provides simulated descent and buy time for…
- Trial name
- CPAP (NCT04710953)
- Testing
- Continuous positive airway pressure machine
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- sultan mehmood kamran
High Altitude Pulmonary Hypertension
The Safety Evaluation of Drug Combinations Against High Altitude Pulmonary Hypertension
This is a Phase I, three period, two sequence, open-label, randomized, crossover study, with the primary objective of testing the safety and tolerability of combined oral doses of theophylline and bambuterol in healthy human…
- Trial name
- NCT01566565
- Testing
- Theophylline and Bambuterol
- Where
- Norway
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Norwegian Armed Forces Medical Service
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
Acute Mountain Sickness, High Altitude Pulmonary Edema
Hemodynamic Changes in Altitude Adaptation
We use a new technology (Nexfin from BMEYE-Inventive Hemodynamics) to monitor Cardiac Output, Blood Pressure, Fluid Responsiveness, Pulse Oximetry, Hemoglobin Concentration, Oxygen Delivery in Climbers during their process of…
- Conditions
- Acute Mountain Sickness, High Altitude Pulmonary Edema, High Altitude Cerebral Edema
- Trial name
- NCT01698619
- Where
- Germany
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Goethe University
Patent Foramen Ovale (PFO), High Altitude Pulmonary Edema
The Cardiovascular Effects of Patent Foramen Ovale in Hypoxia
Before birth, the foramen ovale is a normal opening in the heart that allows blood to flow from the mother to the baby. After birth, this opening usually closes.
- Trial name
- NCT07742540
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Texas Southwestern Medical Center
Cardiac Output, Stroke Volume
Exercise Induced Plasma Volume Expansion Lowers Cardiovascular Strain
The goal of this observational study was to better understand the impact of increased plasma volume on later exercise in hypoxia. Investigators examined young, healthy, males who regularly participated in aerobic exercise.
- Trial name
- NCT05800808
- Testing
- High Intensity Intervals, Moderate Exercise
- Where
- United States
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- California Baptist University
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
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
High Altitude Pulmonary Edema
Effect of Acetazolamide on Subclinical High-Altitude Pulmonary Edema Detected by Lung Ultrasonography
The overall goal of this study is to detect preclinical signs of HAPE by lung ultrasonography and evaluate the effectiveness of acetazolamide at decreasing pulmonary edema by using ultrasound.
- Trial name
- NCT03490916
- Testing
- Acetazolamide
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Vincent Kan
Hypoxia-Induced Pulmonary Artery Hypertension
Effects of Bosentan (Tracleer) in the Course of Pulmonary Artery Hypertension Induced by Hypoxia
Excessive rise in pulmonary artery pressure induced by low oxygen tension (hypoxia) is one of the factors implicated in high-altitude pulmonary oedema.
- Trial name
- NCT00260819
- Testing
- Bosentan, Bosentam TRACLEER
- Where
- France
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Pulmonary Edema
Lung Ultrasound in High Altitude Lung Edema
High altitude pulmonary edema is a life-threatening condition that remains a concern for climbers and clinicians alike. It is defined as a non-cardiac pulmonary edema occurring at altitudes exceeding 3000m in non-acclimatised…
- Trial name
- NCT03117686
- Testing
- lung ultrasound
- Where
- Austria
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna