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 Pulmonary Hypertension
Right Ventricular Function at Rest in Highlanders/Lowlanders
The purpose of the current study is to evaluate the progression of right ventricular function and dimension in Kyrgyz highlanders with high altitude pulmonary hypertension (HAPH) by performing a cross sectional case-control study.
- Trial name
- NCT03165656
- Where
- Kyrgyzstan
- Volunteers
- 173 people
- Sponsor
- University of Zurich
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
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 Hypertension
Inhaled Nitric Oxide for High Amplitude Pulmonary Edema (HAPE)
High Altitude Pulmonary Edema (HAPE) is a critical, non-cardiogenic pulmonary edema that manifests in high-altitude conditions, marked by the rapid onset of symptoms such as dyspnea, cough, frothy sputum, and cyanosis.
- Trial name
- HAPE (NCT06852924)
- Testing
- Nitric Oxide Generation and Delivery System
- Where
- China
- Volunteers
- 100 people
- Sponsor
- Novlead Inc.
Hypertension, Pulmonary, Altitude Sickness
Efficacy Study of Riociguat and Its Effects on Exercise Performance and Pulmonary Artery Pressure at High Altitude
During ascent to high altitude there is a physiologic response to hypoxia that results in an elevated pulmonary arterial pressure associated with decreased exercise performance, altitude-induced pulmonary hypertension, and high…
- Trial name
- NCT02024386
- Testing
- Riociguat
- Where
- United States
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Richard Moon
High-altitude Pulmonary Edema
High-flow Nasal Cannula Oxygen Therapy Versus Conventional Oxygen Therapy in High-altitude Pulmonary Edema
This study aims to evaluate whether High-flow Nasal Cannula Oxygen Therapy (HFNC) provides superior respiratory support compared to Conventional Oxygen Therapy (COT) in patients with High-Altitude Pulmonary Edema (HAPE).
- Trial name
- NCT07536477
- Testing
- High-flow Nasal Cannula Oxygen Therapy (HFNC)
- Where
- China
- Volunteers
- 208 people
- Sponsor
- Third Military Medical University
Acute Mountain Sickness, High Altitude Pulmonary Edema
Sleep and Cerebral Responses to High Altitude
Mechanisms underlying high-altitude intolerance as well as exercise performance limitation in hypoxia still remain to be fully understood.
- Conditions
- Acute Mountain Sickness, High Altitude Pulmonary Edema, High Altitude Cerebral Edema
- Trial name
- VALLOT 2011 (NCT01565603)
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University Hospital, Grenoble
High Altitude Pulmonary Hypertension
Highlanders With High Altitude Pulmonary Hypertension (HAPH), Pulmonary Arterial Pressure (PAP) 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 pulmonary arterial pressure (PAP) assessed at 3200 m.
- Trial name
- NCT06489756
- Testing
- Echocardiography
- Where
- Kyrgyzstan
- Volunteers
- 48 people
- Sponsor
- University of Zurich
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
High Altitude Pulmonary Hypertension, Maximal Exercise Capacity
Maximal Exercise Capacity at 2500 m of High Altitude
The impact of hypoxia on maximal work rate during incremental ramp exercise within 3-6 hours after arriving at 2500m of high altitude in patients with precapillary pulmonary hypertension
- Trial name
- NCT05264324
- Testing
- Maximal Exercise Capacity
- Where
- Switzerland
- Volunteers
- 28 people
- Sponsor
- University of Zurich
High Altitude Pulmonary Hypertension
Altitude Related Adverse Health Effects (ARAHE) in Patients With Precapillary Pulmonary Hypertension During 30h Exposure to 2500m
The interest of journeys to high altitude regions for recreational or professional purposes is increasing, also among potentially vulnerable groups including patients with chronic cardiopulmonary diseases such as pulmonary…
- Trial name
- NCT05107700
- Testing
- Stay at altitude 2500 m above sea level (high altitude), Stay at altitude 470 m above sea level (low altitude)
- Where
- Switzerland
- Volunteers
- 28 people
- Sponsor
- University of Zurich
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
Cerebral Tissue Oxygenation in Highlanders/Lowlanders
The purpose of the current study is to evaluate the cerebral tissue oxygenation of Kyrgyz highlanders with high altitude pulmonary hypertension (HAPH) by performing a longitudinal cohort study.
- Trial name
- NCT03172429
- Where
- Kyrgyzstan
- Volunteers
- 79 people
- Sponsor
- University of Zurich
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
High Altitude Pulmonary Hypertension
High Altitude (HA) Residents With High Altitude Pulmonary Hypertension (HAPH), Pulmonary Artery Pressure (PAP) Assessed at HA (3200 m) vs LA (760 m)
To study the effect of relocation from 3200 m (Aksay) to 760 m (Bishkek) in patients with high altitude pulmonary hypertension (HAPH) who permanently live >2500 m on pulmonary artery pressure (PAP)
- Trial name
- NCT06489704
- Testing
- Echocardiography
- Where
- Kyrgyzstan
- Volunteers
- 24 people
- Sponsor
- University of Zurich
Acute Mountain Sickness, Subclinical High Altitude Pulmonary Edema
The Incidence of Subclinical High-altitude Pulmonary Oedema at High Altitude
The aim of this investigation is to determine the incidence of silent interstitial pulmonary edema by chest ultrasound at moderate altitude (3905m).
- Trial name
- NCT01794130
- Where
- Italy
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Institute of Mountain Emergency Medicine
High Altitude Pulmonary Hypertension
High Altitude Residents With High Altitude Pulmonary Hypertension (HAPH), 6MWT Assessed at High Altitude (3200m) vs Low Altitude (760m)
To study the effect of relocation from 3200m (Aksay) to 760m (Bishkek) in highlanders with High Altitude Pulmonary Hypertension (HAPH) who permanently live >2500m on 6-minute walk distance (6MWD)
- Trial name
- NCT06489691
- Testing
- 6-minute walk test (6MWT)
- Where
- Kyrgyzstan
- Volunteers
- 24 people
- 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
High Altitude Pulmonary Hypertension, Oxygen Therapy
Effect of Oxygen Therapy for Patients With Precapillary Pulmonary Hypertension Who Experience an Altitude Related Adverse Health Effect (ARAHE) During 30h Exposure to 2500m
To study whether oxygen therapy titrated to maintain oxygenation (SpO2) > 90% at 2500m would resolve altitude-related adverse health effects, symptoms and impaired exercise during 30h exposure to high altitude.
- Trial name
- NCT05112172
- Testing
- Oxygen Therapy
- Where
- Switzerland
- Volunteers
- 9 people
- Sponsor
- University of Zurich