Clinical trials: High Altitude, open to volunteers
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
High Altitude Polycythemia
Remote Ischemic Conditioning for High Altitude Polycythemia in High-Altitude Immigrant Populations
This study is a multicenter, prospective, randomized, open-label, parallel-controlled clinical trial. The participants are adult patients with high-altitude polycythemia who have been long-term residents (for >6 months) in…
- Trial name
- NCT07562464
- Testing
- RIC
- Volunteers
- 222 people
- Sponsor
- Capital Medical 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
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
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
Frostbite, Altitude
Field Study on Intravenous Iloprost for Treatment of Severe Frostbite at High Altitude
The goal of this observational study is to learn whether intravenous iloprost treatment for severe frostbite (grades 3-4) is feasible and safe when delivered in pre-hospital, remote high-altitude settings.
- Conditions
- Frostbite, Altitude, Field Physician Care
- Trial name
- HAI-Frost (NCT07450469)
- Testing
- Iloprost (Ilomedin, BAYQ6256)
- Where
- Italy
- Volunteers
- 10 people
- Sponsor
- Institute of Mountain Emergency Medicine
Reflux Esophagitis
A Prospective Cohort Study on Endoscopic Features of Upper Gastrointestinal Tract at High Altitude (Zaduo County)
To prospectively enroll participants undergoing gastroscopy at Zaduo County People's Hospital and perform paired analyses with matched cases from Jilin Province.
- Trial name
- NCT07755384
- Testing
- Sedated gastroscopy
- Where
- China
- Volunteers
- 60 people
- Sponsor
- Jilin University
Hematopoietic Stem Cell Transplantation (HSCT), Acute Myeloid Leukemia (AML)
High-Altitude Hematology Observation-Stem Cell Transplantation (HALO-SCT)
The High-Altitude Hematology Observation-Stem Cell Transplantation (HALO-SCT) study is the first prospective real-world cohort of hematologic diseases and transplantation in the Qinghai-Tibet Plateau.
- Conditions
- Hematopoietic Stem Cell Transplantation (HSCT), Acute Myeloid Leukemia (AML), Leukemias, Acute Myeloid, Myeloid Leukemias, Acute
- Trial name
- HALO-SCT (NCT07205523)
- Where
- China
- Volunteers
- 1,000 people
- Sponsor
- Yigeng Cao,MD,PhD
Pulmonary Arterial Hypertension (PAH), Pulmonary Vascular Disease
Assessment of Total Pulmonary Resistance sPAP/CO Between Sea Level LA vs. High Altitude HA After Re-ascent in Patients With Pulmonary Arterial Hypertension PAH
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 patients with…
- Conditions
- Pulmonary Arterial Hypertension (PAH), Pulmonary Vascular Disease, High Altitude, Echocardiography
- Trial name
- NCT07804693
- Testing
- Re-Ascent from sea level to 2850m
- Where
- Switzerland
- Volunteers
- 20 people
- Sponsor
- Silvia Ulrich Somaini
Pregnancy, IUGR
Effects of High Altitude on AMPK Activation
Pregnancy elicits adaptive changes in uteroplacental blood flow, which are altered at high altitude and may contribute to the observed 3-fold increase in intrauterine growth restriction (IUGR) and preeclampsia (PreE).
- Conditions
- Pregnancy, IUGR, Preeclampsia
- Trial name
- NCT02391519
- Testing
- Collection of myometrial, cord blood, and placental tissue samples
- Where
- United States
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Pulmonary Arterial Hypertension (PAH), Pulmonary Vascular Disease
Sleep-Assessment in Patients 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 sleeping parameters by polygraphy in patients with pulmonary arterial hypertension PAH, who live permanently >2600m.
- Conditions
- Pulmonary Arterial Hypertension (PAH), Pulmonary Vascular Disease, Polygraphy, Sleep
- Trial name
- NCT07801963
- Testing
- Descent to sea level
- Where
- Switzerland
- Volunteers
- 20 people
- Sponsor
- Silvia Ulrich Somaini
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.
Neonatal Congenital Heart Disease
Optimization of Two-Indicator Screening Protocol for Neonatal Congenital Heart Disease at High Altitude
This is a prospective observational screening study. First, researchers will optimize a two-indicator screening protocol for neonatal congenital heart disease (NCHD) adapted to high-altitude regions and evaluate its screening…
- Trial name
- NCT07901998
- Volunteers
- 6,300 people, healthy volunteers welcome
- Sponsor
- Children's Hospital of Fudan University
High Altitude
Protocol for Evaluating Physiological and Psychological Adaptation Mechanisms in Tibetan Plateau Environments
This study is a single-center prospective observational study. It plans to use a series of physiological and medical instruments and international common physiological and psychological questionnaires.
- Trial name
- NCT06557928
- Testing
- measurement
- Where
- China
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- Peking Union Medical College Hospital
High-altitude Polycythemia, HAPC
High-Altitude Polycythemia Study
This study aims to evaluate the clinical efficacy of non-invasive ventilation (NIV) in treating patients with high-altitude polycythemia (HAPC).
- Trial name
- NIV-HAPC (NCT07600086)
- Testing
- Non-invasive ventilator
- Where
- 2 sites in China
- Volunteers
- 70 people
- Sponsor
- Tibet Autonomous Region People's Hospital
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
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
Hypertensive Disorder of Pregnancy, Pulmonary Arterial Hypertension
A Prospective Longitudinal Observational Cohort Study of Pregnant Women Residing at High Altitude in Bolivia
In this study, the investigators will follow two small cohorts of pregnant women: a cohort of healthy women with uncomplicated pregnancies residing at high altitude, a control group of healthy women with uncomplicated pregnancies…
- Conditions
- Hypertensive Disorder of Pregnancy, Pulmonary Arterial Hypertension, Intrauterine Growth Restriction
- Trial name
- NCT07312227
- Where
- 2 sites in United States, Bolivia
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Pulmonary Arterial Hypertension (PAH), Pulmonary Vascular Disease
Assessment of Six-minute Walking Distance Between Sea Level LA vs. High Altitude HA After Re-ascent in Patients With Pulmonary Arterial Hypertension PAH
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 patients with pulmonary arterial…
- Conditions
- Pulmonary Arterial Hypertension (PAH), Pulmonary Vascular Disease, Six-minute Walk Test, NYHA
- Trial name
- NCT07797166
- Testing
- Re-Ascent sea level to 2850m
- Where
- Switzerland
- Volunteers
- 20 people
- Sponsor
- Silvia Ulrich Somaini
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