Clinical trials: High Altitude Effects, open to volunteers
Pulmonary Arterial Hypertension (PAH), Pulmonary Vascular Disease
Assessment of Six-minute Walking Distance 6MWD Between High Altitude HA vs. Sea Level LA in Patients With Pulmonary Arterial Hypertension PAH
To study the effect of relocation from high altitude (Quito: 2850m) to sea level on six-minute walking distance and scores in patients with pulmonary arterial hypertension PAH, who live permanently >2600m.
- Conditions
- Pulmonary Arterial Hypertension (PAH), Pulmonary Vascular Disease, Six-minute Walk Test, High Altitude Effects
- Trial name
- NCT07804472
- Testing
- Descent from 2850m to sea level
- Where
- Switzerland
- Volunteers
- 20 people
- Sponsor
- Silvia Ulrich Somaini
Sleep Disorder (Disorder)
Evaluation of Changes in Sleep Efficiency Among PIC DU MIDI Staff Between Nights Spent at Home and Nights Spent in the Workplace Under High Altitude Conditions
Sleep organization and cardiorespiratory parameters are disrupted in extreme conditions such as high altitude. The pathophysiology of medical problems related to acute high-altitude exposure is partially understood, but sleep…
- Trial name
- ALTISOM (NCT07423988)
- Testing
- Sleep recording
- Where
- France
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- University Hospital, Toulouse
Pulmonary Arterial Hypertension (PAH), Pulmonary Vascular Disease
Assessment of Total Pulmonary Resistance sPAP/CO Between High Altitude HA vs. Sea Level LA in Patients With Pulmonary Arterial Hypertension PAH
To study the effect of relocation from high altitude (Quito Ecuador: 2850m) to sea level on pulmonary resistance (sPAP/CO) and other hemodynamic outcomes in patients with pulmonary arterial hypertension PAH, who live permanently…
- Conditions
- Pulmonary Arterial Hypertension (PAH), Pulmonary Vascular Disease, High Altitude, Echocardiography
- Trial name
- NCT07804524
- Testing
- Descent from 2850m to sea level
- Where
- Switzerland
- Volunteers
- 20 people
- Sponsor
- Silvia Ulrich Somaini
High Altitude Effects, High Altitude
Assessment of Heart Rate Variability HRV During Descent DE From 2850m to Sea Level and During Re-ascent A From Sea Level to 2850m in Patients With Pulmonary Arterial Hypertension PAH
To study the effect of relocation from high altitude (Quito Ecuador: 2850m) to sea level and re-ascent from sea level to 2850m on heart rate variability and other hemodynamic parameters in patients with pulmonary arterial…
- Conditions
- High Altitude Effects, High Altitude, Pulmonary Vascular Disease, Pulmonary Arterial Hypertension (PAH)
- Trial name
- NCT07801859
- Testing
- Descent and re-ascent (2850m, sea level)
- Where
- Switzerland
- Volunteers
- 20 people
- Sponsor
- Silvia Ulrich Somaini
Hypoxemia, Gastric Cancer (Diagnosis)
Effect of High-flow Nasal Cannula Oxygenation on the Incidence of Hypoxemia During Painless Gastrointestinal Endoscopy in Patients at High Risk for Obstructive Sleep Apnea Syndrome in High-altitude Regions
Patients living in high-altitude areas naturally have lower blood oxygen levels. Those at high risk for Obstructive Sleep Apnea (OSA) face an even greater risk of low oxygen during painless gastrointestinal endoscopy.
- Conditions
- Hypoxemia, Gastric Cancer (Diagnosis), Esophageal Cancer, High-altitude Illness
- Trial name
- NCT07904260
- Testing
- High-flow nasal cannula Group, Regular Nasal Cannula Group
- Where
- 3 sites in China
- Volunteers
- 430 people
- Sponsor
- Diansan Su
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
Altitude Hypoxia, Hypoxia
Effect of Acute Hypoxia on RIght VEntRicular Function in HAPE.
More and more people are engaging in sports in the mountains, including individuals with heart or lung diseases. At the same time, such diseases are becoming more common in Switzerland.
- Conditions
- Altitude Hypoxia, Hypoxia, Normobaric Hypoxia, Right Ventricular Function
- Trial name
- RIVER-HAPE (NCT07431554)
- Testing
- Normobaric Hypoxia
- Where
- Switzerland
- Volunteers
- 18 people
- Sponsor
- Mona Lichtblau
High Altitude, Healthy
Assessment of Six-minute Walking Distance 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 six-minute walking distance and other scores in healthy individuals, who live…
- Conditions
- High Altitude, Healthy, Healthy Adult, Six-minute Walk Test
- Trial name
- NCT07797088
- Testing
- Re-Ascent sea level to 2850m
- Where
- Switzerland
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Silvia Ulrich Somaini
Chronic Mountain Sickness
Erythrocytapheresis for Chronic Mountain Sickness
The study aims to explore the efficacy and safety of erythrocytapheresis in chronic mountain sickness
- Trial name
- NCT04557995
- Testing
- Erythropheresis
- Where
- China
- Volunteers
- 112 people
- Sponsor
- Third Military Medical University
High-altitude Pulmonary Edema
High-flow Nasal Cannula Oxygen Therapy Versus Conventional Oxygen Therapy in Children 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 children with High-Altitude Pulmonary Edema (HAPE).
- Trial name
- NCT07910357
- Testing
- High-flow Nasal Cannula Oxygen Therapy (HFNC)
- Where
- China
- Volunteers
- 116 people
- Sponsor
- Ye Fan
Hypoxia, Normobaric Hypoxia
Effect of Acute Hypoxia on RIght VEntRicular Function in Healthy Adults.
More and more people are engaging in sports in the mountains, including individuals with heart or lung diseases. At the same time, such diseases are becoming more common in Switzerland.
- Conditions
- Hypoxia, Normobaric Hypoxia, Altitude Hypoxia, Right Heart Function
- Trial name
- RIVER-H (NCT07431567)
- Testing
- Normobaric Hypoxia
- Where
- 2 sites in Switzerland
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Mona Lichtblau
High Altitude
The Study of Personalized Health Check-up Programs and Standards for High-altitude Migrant Populations
By using wearable devices to monitor and record the physiological data changes and health outcomes (incidence and severity of high-altitude illnesses) of high-altitude migrants at different stages (pre-entry, acute/chronic…
- Trial name
- NCT07018193
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Capital Medical University
High Altitude, Six-minute Walk Test
Assessment of Six-minute Walking Distance 6MWD Between High Altitude HA vs. Sea Level LA in Healthy Individuals H
To study the effect of descent from high altitude (Quito Ecuador: 2850m) to sea level on six-minute walking distance and scores in healthy individuals, who live permanently >2600m.
- Conditions
- High Altitude, Six-minute Walk Test, High Altitude Effects, Healthy
- Trial name
- NCT07801872
- Testing
- Descent from 2850m to sea level
- Where
- Switzerland
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Silvia Ulrich Somaini
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
Orthopedic Surgery, Postoperative Complications
Postoperative Complications of Orthopedic Surgery in Patients From High-altitude Regions
This study will focus on orthopedic surgery patients from high-altitude regions, utilizing smart wearables and monitoring tools to gather perioperative data, including heart rate, oxygen saturation, sleep quality, stress levels…
- Conditions
- Orthopedic Surgery, Postoperative Complications, High Altitude
- Trial name
- NCT06638658
- Volunteers
- 400 people
- Sponsor
- West China Hospital
Body Temperature Changes, Heat Stress
Working in the Heat at Simulated Altitude: Effects of Normobaric Hypoxia on Physiological Strain
Extreme heat events are becoming more frequent, intense, and prolonged, increasing the risk of heat-related illness among workers performing physically demanding work in hot environments.
- Conditions
- Body Temperature Changes, Heat Stress, Heat Exposure, Heat Fatigue
- Trial name
- NCT07664462
- Testing
- Simulated Occupational heat exposure under normoxic conditions, Simulated Occupational heat exposure under hypoxic conditions
- Where
- Canada
- Volunteers
- 20 people
- Sponsor
- University of Ottawa
Healthy, Healthy Adult
Sleep-Assessment in Patients Between High Altitude HA vs. Sea Level LA in Healthy Individuals H
To study the effect of relocation from high altitude (Quito Ecuador: 2850m) to sea level on sleeping parameters by polygraphy in healthy individuals, who live permanently >2600m.
- Conditions
- Healthy, Healthy Adult, High Altitude Effects, High Altitude
- Trial name
- NCT07801950
- Testing
- Descent from 2850m to sea level and re-ascent back to 2850m
- Where
- Switzerland
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Silvia Ulrich Somaini
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
Healthy, Healthy Adult
Assessment of Lung Function (Lufu) at Sea Level LA vs. High Altitude HA in Healthy Individuals
To study the effect of a re-ascent to high altitude (Quito Ecuador: 2850m) after a one-week stay at sea level (after prior descent from 2850m) on lung function and pulmonary resistance/reactance in healthy individuals, who live…
- Conditions
- Healthy, Healthy Adult, High Altitude Effects, High Altitude
- Trial name
- NCT07804537
- Testing
- Re-ascent from sea level to 2850m
- Where
- Switzerland
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Silvia Ulrich Somaini
Acute Mountain Sickness
Calcitonin Gene-related Peptide Antibody in Acute Mountain Sickness
Acute mountain sickness (AMS) is a common condition that can occur when healthy people travel quickly to high altitude. Typical symptoms include headache, nausea, tiredness, dizziness, and poor sleep.
- Trial name
- NCT07653516
- Testing
- Fremanezumab 225 Mg/1.5 mL Subcutaneous Solution
- Where
- Switzerland
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern