Clinical trials: Altitude Sickness
Aortic Stenosis, Altitude
Short-term Exposure to High Altitude in Patients With Asymptomatic Aortic Stenosis
Aortic stenosis is a common disease with increasing prevalence due to an aging population. Aortic valve replacement is indicated for symptomatic severe aortic stenosis.
- Trial name
- ASALT (NCT06894550)
- Testing
- Participants will be escorted to high altitude and undergo a series of test
- Where
- Switzerland
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern
Pulmonary Disease, Cardiovascular Disease
Cardio-Respiratory Health and Indoor Pollution
The aim of this study is to assess in the sample of population resident in the KHUMBU valley (NEPAL): 1. the respiratory function decline by means of spirometry and the respiratory health by means of questionnaire and six-minute…
- Trial name
- NCT01329159
- Where
- Italy
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Università degli Studi di Ferrara
Hypoxia, Altitude, Hypoxia
Effect of Acute Hypoxia on RIght VEntRicular Function in Asthma.
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, Altitude, Hypoxia, Normobaric Hypoxia, Right Ventricular Function
- Trial name
- RIVER-Asthma (NCT07431580)
- Testing
- Normobaric Hypoxia
- Where
- Switzerland
- Volunteers
- 18 people
- Sponsor
- Mona Lichtblau
Covid19, SARS-CoV2 Infection
Coronaltitude - Multicentric Evaluation of the Impact on Hypoxia Sensitivity of Patients With COVID-19
In this study, the investigators will examine the extent to which having suffered coronavirus disease 2019 (COVID19) impacts one's sensibility to hypoxia by means of the 'Richalet test'.
- Conditions
- Covid19, SARS-CoV2 Infection, Hypoxia, Altitude
- Trial name
- NCT05167357
- Testing
- COVID19
- Where
- France
- Volunteers
- 68 people, healthy volunteers welcome
- Sponsor
- Institut de Formation et de Recherche en Médecine de Montagne
Pulmonary Vascular Disease, Pulmonary Artery Hypertension
HA Residents With PVD, 6MWD Assessed at HA (2840m) vs LA (Sea Level)
To study the effect of relocation from 2840m (Quito) to sea level (Pedernales) in patients with pulmonary vascular diseases (PVD) defined as pulmonary arterial hypertension or chronic thromboembolic pulmonary hypertension (PH)…
- Conditions
- Pulmonary Vascular Disease, Pulmonary Artery Hypertension, Chronic Thromboembolic Pulmonary Hypertension
- Trial name
- NCT05996302
- Testing
- Relocation to sea level
- Where
- Switzerland
- Volunteers
- 24 people
- Sponsor
- University of Zurich
Altitude Hypoxia
Effect of Acetazolamide on Right Heart Function at Rest in Lowlanders Older Than 40 Years at Altitude.
Randomized, placebo controlled trial evaluating efficacy of acetazolamide on right heart function at rest in lowlanders older than 40 years travelling from 760 m to 3'100 m.
- Trial name
- NCT03540914
- Testing
- ACETAZOLAMIDE oral capsule
- Where
- Kyrgyzstan
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- University of Zurich
Iron-deficiency, Ventricular Function
Iron Status and Cardiopulmonary Physiology
This study involved human volunteers undertaking a high-altitude expedition. It assessed changes in physiological parameters of relevance to high-altitude cardiopulmonary physiology.
- Conditions
- Iron-deficiency, Ventricular Function, Pulmonary Vascular Resistance Abnormality, Altitude Hypoxia
- Trial name
- NCT03707249
- Testing
- Ferric Carboxymaltose Injectable Product, Normal Saline 0.9% Infusion Solution Bag
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Royal Centre for Defence Medicine
Pulmonary Arterial Hypertension (PAH), Pulmonary Vascular Disease
Assessment of Lung Function (Lufu) at Sea Level LA vs. High Altitude HA in Patients With Pulmonary Arterial Hypertension PAH
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 patients with pulmonary…
- Conditions
- Pulmonary Arterial Hypertension (PAH), Pulmonary Vascular Disease, High Altitude Effects, High Altitude
- Trial name
- NCT07804576
- Testing
- Re-ascent from sea level to 2850m
- Where
- Switzerland
- Volunteers
- 20 people
- Sponsor
- Silvia Ulrich Somaini
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
Acute Mountain Sickness (AMS)
Safety and Efficacy of T89 in the Prevention and Treatment of Adults With Acute Mountain Sickness (AMS)
The specific aim of this double blind, randomized phase III trial is to evaluate the safety and efficacy of T89 in preventing Acute Mountain Sickness (AMS) and relieving the symptoms of AMS after rapid ascent.
- Trial name
- NCT04993729
- Testing
- T89 capsule
- Where
- 3 sites in United States, China
- Volunteers
- 853 people, healthy volunteers welcome
- Sponsor
- Tasly Pharmaceuticals, Inc.
Altitude Training Adaptation, Cognitive Function
Effects of Bicarbonate Spring Water Immersion on Cognitive Reliability and Post-Maximal Exercise Recovery in Adolescent Rowers During Altitude Training: A Sex-Stratified Three-Arm Randomized Controlled Trial
This randomized controlled trial aims to investigate the effects of hot spring bath therapy on cognitive function recovery, cerebral hemodynamics, and athletic performance in athletes undergoing altitude training.
- Conditions
- Altitude Training Adaptation, Cognitive Function, Cerebral Hemodynamics, Exercise Performance
- Trial name
- NCT07608913
- Testing
- Control Group：Natural Recovery, Hot water immersion group, hot spring immersion group
- Where
- China
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Macao Polytechnic University
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
Hypoxia, Altitude
Effect of an H1 Receptor Antagonist on Exercise Performance in Hypoxia
This study seeks to determine whether a simple, single intervention of Cetirizine / Zyrtec® use can improve exercise performance of active individuals when acutely exposed to altitude.
- Trial name
- NCT03192488
- Testing
- Cetirizine, Hypoxia
- Where
- United States
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- Indiana University
Iron Deficiency Anemia, Iron Deficiency (Without Anemia)
Effect of Altitude on Iron Absorption in Iron Depleted Women
One of the most common nutritional deficiencies worldwide is iron deficiency. Iron deficiency is considered the main cause of anaemia in developing countries, including those in South America.
- Conditions
- Iron Deficiency Anemia, Iron Deficiency (Without Anemia), Altitude Hypoxia
- Trial name
- PotatoAlt (NCT05500014)
- Testing
- Biofortified potato, not genetically modified
- Where
- 2 sites in Peru
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Swiss Distance University of Applied Sciences
Hypoxia Altitude Simulation Test, High Altitude
Hypoxia-altitude Testing to Predict Altitude Related Adverse Health Effects in Chronic Obstructive Pulmonary Disease (COPD) Patients
The predictive value of the hypoxia altitude simulation test (HAST) or other baseline values to predict altitude-related adverse health effects (ARAHE) is not established.
- Trial name
- NCT04915378
- Testing
- hypoxia altitude simulation test (HAST) at 760m, High Altitude (3100m)
- Where
- Kyrgyzstan
- Volunteers
- 75 people
- Sponsor
- University of Zurich
Hypoxia, Altitude
The Impact of Physical Training Under Normobaric Hypoxia on Oxidative Stress Level, Inflammatory State, Intestinal Damage, and Mitochondrial Metabolism in Young Males
Cognitive assessment of the influence of a 4-week proprietary training program under normobaric hypoxia conditions on the levels of inflammatory markers, disturbances in prooxidant-antioxidant balance, degree of intestinal…
- Trial name
- NCT06204731
- Testing
- Exercise and environmental conditions
- Where
- Poland
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University School of Physical Education, Krakow, Poland
Acute Mountain Sickness
Altitude Sickness Prevention With Ibuprofen Relative to Acetazolamide and Treatment Efficacy
This double blind randomized trial will compare ibuprofen to acetazolamide for the prevention of acute mountain sickness. These drugs have never been directly compared for efficacy.
- Trial name
- ASPIRATE (NCT03154645)
- Testing
- Ibuprofen, Acetazolamide
- Where
- United States
- Volunteers
- 92 people, healthy volunteers welcome
- Sponsor
- Grant S Lipman
Hypoxia, Altitude
The Effects of Inspiratory Muscle Training on Endurance Performance in Trained Athletes Under Normoxic and Hypoxic Conditions: A Gender-based Comprehensive Study
The POWERbreathe™ Plus: an Inspiratory Muscle Training device (IMT) with adjustable resistance. Intervention lasts 4 weeks, with a frequency of 6 days/week, 2 series of 30 inspirations in the morning and evening.
- Trial name
- RespiPerf (NCT06121128)
- Testing
- Inspiratory Muscle Training (IMT), Normal Breathing
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- University of Lausanne
Acute Mountain Sickness
Prochlorperazine Maleate Versus Placebo for the Prophylaxis of Acute Mountain Sickness
This study is a trial looking at a drug to help prevent acute mountain sickness. The drug is prochlorperazine, a drug commonly used to treat nausea vomiting and headache.
- Trial name
- NCT06450899
- Testing
- Prochlorperazine Maleate
- Where
- United States
- Volunteers
- 57 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Breast Cancer
Effect of Oxygen Inhalation on Fatigue After Chemotherapy of Breast Cancer in High Altitude Area
At present, there are few studies on the side effects of chemotherapy in breast cancer patients at high altitude area, and there are no studies on the relationship between oxygen inhalation and fatigue after chemotherapy in…
- Trial name
- NCT04774497
- Testing
- Oxygen inhalation treatment group, Control group
- Where
- China
- Volunteers
- 102 people, healthy volunteers welcome
- Sponsor
- Jiuda Zhao