Clinical trials: Altitude, open to volunteers
Iron Absorption, Iron Requirements
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 is an essential micronutrient responsible for a whealth of biological processes of the human body. Iron plays a fundamental role especially in oxygen transport, by binding to hemoglobin in the blood circulation.
- Conditions
- Iron Absorption, Iron Requirements, Altitude
- Trial name
- ARIA (NCT07142590)
- Testing
- Stable Isotopes
- Where
- Switzerland
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Diego Moretti
High Altitude Effects
Measurement of Cardiopulmonary Variables After Acute Exposure to High Altitude
As altitude increases, the availability of oxygen in the air decreases, and just to compensate for this lack, the body increases cardiac and respiratory work and changes blood pressure.
- Trial name
- NCT05769140
- Where
- Italy
- Volunteers
- 8,000 people, healthy volunteers welcome
- Sponsor
- Centro Cardiologico Monzino
Healthy, Healthy Adult
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 Healthy Individuals H
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 healthy individuals, who live…
- Conditions
- Healthy, Healthy Adult, High Altitude Effects, High Altitude
- Trial name
- NCT07801846
- Testing
- Descent and re-ascent (2850m, sea level)
- Where
- Switzerland
- Volunteers
- 14 people, healthy volunteers welcome
- 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
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.
Acute Mountain Sickness (AMS)
Efficacy of Positive Expiratory Pressure on Acute Mountain Sickness
This pilot study aims to evaluate the efficacy of positive expiratory pressure (PEP) therapy at 10 cmH₂O in improving peripheral oxygen saturation (SpO₂) and mitigating symptoms of acute mountain sickness (AMS) in healthy…
- Trial name
- NCT07148674
- Testing
- Positive Expiratory Pressure (10cmH2O) in hypobaric hypoxia
- Volunteers
- 3 people, healthy volunteers welcome
- Sponsor
- BiALP - Alpine, Disaster and Wilderness Medicine
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
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
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
Gastrointestinal Endoscopy
Etomidate Combined With Propofol Versus Propofol for Sedation in High-Altitude Patients During Gastroscopy: a Randomized Multicenter Clinical Trial
One of the most common adverse events during sedated gastrointestinal endoscopy is hypoxemia, which can lead to serious consequences.
- Trial name
- NCT07079176
- Testing
- etomidate combined with propofol, propofol
- Volunteers
- 732 people
- Sponsor
- RenJi Hospital
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
Central Fatigue, Altitude Training
Effect of Hot Spring Therapy on Central Fatigue Elimination During Altitude Training
This randomized controlled trial investigates the effects of hot spring balneotherapy on central fatigue elimination in adolescent rowers undergoing altitude training at approximately 1600 meters (Tengchong, Yunnan).
- Conditions
- Central Fatigue, Altitude Training, Cognitive Impairment, Hydrotherapy
- Trial name
- HSCF-AHT (NCT07615478)
- Testing
- Natural recovery, Hot water immersion, Hot spring balneotherapy
- Where
- China
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Macao Polytechnic 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
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
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
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
Cognitive Performance, Executive Function (Cognition)
Exploring the Cognitive Benefits of a Blackcurrant-Based Supplement in Normobaric Hypoxia
This study investigates the cognitive effects of Ārepa, a blackcurrant-based drink, under simulated high-altitude conditions (4,500m normobaric hypoxia for ~180 minutes).
- Conditions
- Cognitive Performance, Executive Function (Cognition), Working Memory, Hypoxia Induced Cognitive Impairment
- Trial name
- NCT07166835
- Testing
- Nootropics (ginkgo biloba, nicergoline, piracetam, or others)
- Where
- United Kingdom
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Leeds Beckett University
High-altitude Training Adaptations in Adolescent Male Rowers
Effects of a 4-Week Altitude Training on Sport-Specific Performance, Body Composition, and Cardiac and Pulmonary Function in Adolescent Male Rowers
This study aims to investigate the effects of a 4-week altitude training program on adolescent male rowers. The research will examine changes in athletic performance, athletic body composition, athletic cardiac function, athletic…
- Trial name
- NCT07612956
- Testing
- 4-Week Altitude Training
- Where
- China
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Macao Polytechnic University
High Altitude, Healthy Adult
Assessment of Total Pulmonary Resistance sPAP/CO 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 pulmonary resistance (sPAP/CO) and other hemodynamic outcomes in healthy individuals, who live permanently >2600m.
- Conditions
- High Altitude, Healthy Adult, Echocardiography, Pulmonary Resistance
- Trial name
- NCT07804485
- Testing
- Descent from 2850m to sea level
- Where
- Switzerland
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Silvia Ulrich Somaini