Clinical trials: Altitude
High Altitude Pulmonary Hypertension
Right Ventricular Function During Exercise in Highlanders/Lowlanders
The purpose of the current study is to evaluate the right ventricular function during graded cycling on an ergometer by transthoracic echocardiography in Kyrgyz highlanders with high altitude pulmonary hypertension (HAPH) by…
- Trial name
- NCT03165032
- Where
- Kyrgyzstan
- Volunteers
- 173 people
- Sponsor
- University of Zurich
Hemophilia A
Long-term Study Evaluating Joint Health in People With Haemophilia A Receiving Real-world Prophylactic Treatment With Efanesoctocog Alfa
The rationale for this study is to further understand and describe the long-term prophylactic effectiveness of efanesoctocog alfa in preventing joint bleeds in a real-life setting.
- Trial name
- NCT06940830
- Testing
- Efanesoctocog alfa
- Where
- 31 sites in Croatia, Czechia and 6 more
- Volunteers
- 252 people
- Sponsor
- Swedish Orphan Biovitrum
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
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
Altitude, Ultraviolet Rays
Ultraviolet Exposure, Antioxidant Use and Skin Erythema at Extreme High Altitude
With the increasing tourism and adventure travel into extreme environments comes the need to reassess the required protection against ultraviolet (UV) radiation and possible other oxidative stresses.
- Conditions
- Altitude, Ultraviolet Rays, Antioxidants, Oxidative Stress
- Trial name
- NCT00685438
- Where
- Nepal
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Sunnybrook Health Sciences Centre
Neonatal Disease, Altitude Hypoxia
Reference Interval for SPO2 in Neonates at High Altitudes During First 2 Hours and Umbilical Artery Blood Gas
Pulse oximetry offers real time and non-invasive estimation of arterial oxygen saturation in a cost-effective way, and has become a critical tool in guiding the usage of supplemental oxygen in sick newborns.
- Trial name
- NCT05468515
- Testing
- pulse oxygen saturation
- Where
- China
- Volunteers
- 956 people, healthy volunteers welcome
- Sponsor
- Children's Hospital of Fudan University
Health, Children, Only
Characteristics of Intestinal Bacteria and Their Effects on Growth and Immune Function in Children at High Altitude
Microbes and the human body maintain a complex relationship of interaction and influence. Different regions, altitudes, and dietary habits have different degrees of influence on the composition of children's intestinal flora.
- Conditions
- Health, Children, Only, Gut Microbiota
- Trial name
- NCT06157346
- Where
- China
- Volunteers
- 298 people, healthy volunteers welcome
- Sponsor
- Ruijin Hospital
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
Aggressive Fibromatosis
National Clinical-biological Prospective Cohort of Incident Cases of Aggressive Fibromatosis (ALTITUDES)
The purpose of this study is to constitute the French largest Aggressive fibromatosis cohort.
- Trial name
- ALTITUDES (NCT02867033)
- Testing
- biopsy, biobank constitution, Coloscopy
- Where
- 39 sites in France
- Volunteers
- 628 people
- Sponsor
- Centre Oscar Lambret
Cystic Fibrosis
Pre-flight Evaluation of Adult Patients With Cystic Fibrosis
The purpose of the study is to investigate the relationship between hypoxemia achieved during Hypoxia Altitude Simulation test and sea level values of pulmonary function, arterial blood gases, pulse oximetry and cardiopulmonary…
- Trial name
- NCT01569880
- Where
- Norway
- Volunteers
- 30 people
- Sponsor
- Oslo University Hospital
ARDS, Hypoxia, Altitude
Effect of Altitude on the Evolution of Acute Respiratory Distress Syndrome
The purpose of this piece of research is to assess the effect of altitude on the clinical evolution of ARDS. For this purpose, patients who live and receive care at sea level are compared with those who live and receive care at…
- Conditions
- ARDS, Hypoxia, Altitude, Altitude Sickness/Epidemiology
- Trial name
- NCT02871063
- Volunteers
- 170 people
- Sponsor
- Guillermo Ortiz Ruiz
Frequency of Adverse Events, Health Care Utilization, Infant Growth, Parental Quality of Life, and Altitude of the Participant's Home
The Effects of Home Monitors Used with Home Oxygen Therapy
This study\'s purpose is to determine the effects of using monitors with home oxygen therapy (HOT). This trial will test the hypothesis that infants discharged from the neonatal intensive care unit (NICU) with HOT will have a…
- Trial name
- NCT06492382
- Testing
- Home Oxygen Monitors
- Sponsor
- University of New Mexico
Altitude Hypoxia, Neonatal Encephalopathy
Neonatal Electrical Activity at Different Altitude Levels
In this study, the objective is to compare neonatal cerebral electrical activity within 3 days after birth across different altitude areas using amplitude-integrated electroencephalography (aEEG), and establish reference value…
- Trial name
- NCT05966714
- Testing
- aEEG
- Where
- 2 sites in China
- Volunteers
- 531 people, healthy volunteers welcome
- Sponsor
- Children's Hospital of Fudan University
Adolescent Swimmers
Effects of Six Weeks of Sub-High-Altitude Training on the Physical Performance and Psychological State of Adolescent Swimmers
To investigate the effects of sub-altitude training on the physical performance and psychological state of adolescent swimmers and to analyze the possible mechanisms underlying these effects
- Trial name
- NCT07786935
- Testing
- sub-altitude training
- Where
- China
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Xiang Gao
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
Sleep Disorder; Breathing-Related
WatchPAT Compared to PSG at 8500'
Subjects who consent to participate in the research will undergo a simultaneous recording of inlab PSG and WatchPAT200 for comparing the WatchPAT data to PSG at an altitude of 8500'.
- Trial name
- NCT04249011
- Where
- United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Itamar-Medical, Israel
Hypoxia, Altitude Sickness
Hypoxia Adaptation Promotes Cerebral Functional Connectivity With Neuromuscular Efficiency Decrement
The study utilized a trimodal setup comprising EEG, EMG, and fNIRS modules. Participants wore a 64-channel dry EEG cap, while EMG electrodes were placed on the right biceps brachii, the flexor digitorum profundus of the forearm…
- Trial name
- NCT07018817
- Testing
- motor execution motor imagery
- Where
- China
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Peking Union Medical College
High Altitude Pulmonary Hypertension, Sleep Apnea
Sleep Related Breathing Disturbances and High Altitude Pulmonary Hypertension in Kyrgyz Highlanders
High altitude pulmonary hypertension, a form of altitude illness that occurs in long-term residents at altitudes >2500 m, is characterized by dyspnea, hypoxemia, impaired exercise performance and hypertension in the pulmonary…
- Trial name
- NCT01621061
- Where
- Kyrgyzstan
- Volunteers
- 125 people, healthy volunteers welcome
- Sponsor
- University of Zurich
Altitude Training Adaptation, Autonomic Nervous System
Effect of Hot Spring Therapy on Autonomic Nervous System and Exercise Performance During Altitude Training
This randomized controlled trial aims to investigate the effects of balneotherapy (hot spring bathing) on cardiac autonomic nervous system function and exercise performance in healthy athletes undergoing high-altitude training.
- Conditions
- Altitude Training Adaptation, Autonomic Nervous System, Hydrotherapy, Exercise Performance
- Trial name
- NCT07608887
- 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
Establishing the Reference Interval for Pulse Oxygen Saturation in Neonates at High Altitude
The now widely used reference interval for pulse oxygen saturation of the neonate after 24 hours of birth has been developed relying on data from low altitude.It is not suitable for neonates at high altitude.
- Trial name
- NCT05115721
- Testing
- no intervention
- Where
- China
- Volunteers
- 10,000 people, healthy volunteers welcome
- Sponsor
- Nanjing Medical University