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TrialConditionsStatusPhaseUpdatedMore infoNCT ID
Assessment of Total Pulmonary Resistance sPAP/CO Between Sea Level LA vs. High Altitude HA After Re-ascent in Patients With Pulmonary Arterial Hypertension PAHHypoxia, Pathological Conditions, Signs and Symptoms, Respiration Disorders, Signs and Symptoms, Signs and Symptoms, Respiratory, altitude sickness, cardiovascular disorder, hypertensive disorder, lung disorder, pulmonary arterial hypertension, pulmonary hypertension, respiratory system disorder, vascular disorderNot yet recruitingNot applicable2026-09-04NCT07804693
Assessment of Total Pulmonary Resistance sPAP/CO Between Sea Level LA vs. High Altitude HA After Re-ascent in Healthy IndividualsHypoxia, Pathological Conditions, Signs and Symptoms, Respiration Disorders, Signs and Symptoms, Signs and Symptoms, Respiratory, altitude sickness, respiratory system disorderNot yet recruitingNot applicable2026-09-04NCT07804589
Assessment of Lung Function (Lufu) at Sea Level LA vs. High Altitude HA in Patients With Pulmonary Arterial Hypertension PAHRespiration Disorders, altitude sickness, lung disorder, pulmonary arterial hypertension, pulmonary hypertension, respiratory system disorderNot yet recruitingNot applicable2026-09-04NCT07804576
Assessment of Lung Function (Lufu) at Sea Level LA vs. High Altitude HA in Healthy IndividualsRespiration Disorders, altitude sickness, respiratory system disorderNot yet recruitingNot applicable2026-09-04NCT07804537
Assessment of Total Pulmonary Resistance sPAP/CO Between High Altitude HA vs. Sea Level LA in Patients With Pulmonary Arterial Hypertension PAHHypoxia, Pathological Conditions, Signs and Symptoms, Respiration Disorders, Signs and Symptoms, Signs and Symptoms, Respiratory, altitude sickness, cardiovascular disorder, hypertensive disorder, lung disorder, pulmonary arterial hypertension, pulmonary hypertension, respiratory system disorder, vascular disorderNot yet recruitingNot applicable2026-09-04NCT07804524
Assessment of Total Pulmonary Resistance sPAP/CO Between High Altitude HA vs. Sea Level LA in Healthy Individuals HHypoxia, Pathological Conditions, Signs and Symptoms, Respiration Disorders, Signs and Symptoms, Signs and Symptoms, Respiratory, altitude sickness, respiratory system disorderNot yet recruitingNot applicable2026-09-04NCT07804485
Assessment of Six-minute Walking Distance 6MWD Between High Altitude HA vs. Sea Level LA in Patients With Pulmonary Arterial Hypertension PAHHypoxia, Pathological Conditions, Signs and Symptoms, Respiration Disorders, Signs and Symptoms, Signs and Symptoms, Respiratory, altitude sickness, cardiovascular disorder, hypertensive disorder, lung disorder, pulmonary arterial hypertension, pulmonary hypertension, respiratory system disorder, vascular disorderNot yet recruitingNot applicable2026-09-04NCT07804472
Sleep-Assessment in Patients Between High Altitude HA vs. Sea Level LA in Patients With Pulmonary Arterial Hypertension PAHApnea, Dyssomnias, Hypoxia, Pathological Conditions, Signs and Symptoms, Respiration Disorders, Signs and Symptoms, Signs and Symptoms, Respiratory, Sleep Disorders, Intrinsic, altitude sickness, cardiovascular disorder, hypertensive disorder, lung disorder, nervous system disorder, pulmonary arterial hypertension, pulmonary hypertension, respiratory system disorder, sleep apnea syndrome, sleep-wake disorder, vascular disorderNot yet recruitingNot applicable2026-09-03NCT07801963
Sleep-Assessment in Patients Between High Altitude HA vs. Sea Level LA in Healthy Individuals HApnea, Dyssomnias, Respiration Disorders, Sleep Disorders, Intrinsic, altitude sickness, nervous system disorder, respiratory system disorder, sleep apnea syndrome, sleep-wake disorderNot yet recruitingNot applicable2026-09-03NCT07801950
Assessment of Six-minute Walking Distance 6MWD Between High Altitude HA vs. Sea Level LA in Healthy Individuals HHypoxia, Pathological Conditions, Signs and Symptoms, Respiration Disorders, Signs and Symptoms, Signs and Symptoms, Respiratory, altitude sickness, respiratory system disorderNot yet recruitingNot applicable2026-09-03NCT07801872
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 PAHRespiration Disorders, altitude sickness, cardiovascular disorder, hypertensive disorder, lung disorder, pulmonary arterial hypertension, pulmonary hypertension, respiratory system disorder, vascular disorderNot yet recruitingNot applicable2026-09-03NCT07801859
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 HArrhythmias, Cardiac, Pathologic Processes, Pathological Conditions, Signs and Symptoms, Respiration Disorders, altitude sickness, cardiovascular disorder, heart disorder, respiratory system disorderNot yet recruitingNot applicable2026-09-03NCT07801846
Assessment of Six-minute Walking Distance Between Sea Level LA vs. High Altitude HA After Re-ascent in Patients With Pulmonary Arterial Hypertension PAHHypoxia, Pathological Conditions, Signs and Symptoms, Respiration Disorders, Signs and Symptoms, Signs and Symptoms, Respiratory, altitude sickness, lung disorder, pulmonary arterial hypertension, pulmonary hypertension, respiratory system disorderNot yet recruitingNot applicable2026-09-01NCT07797166
Assessment of Six-minute Walking Distance Between Sea Level LA vs. High Altitude HA After Re-ascent in Healthy IndividualsHypoxia, Pathological Conditions, Signs and Symptoms, Respiration Disorders, Signs and Symptoms, Signs and Symptoms, Respiratory, altitude sickness, respiratory system disorderNot yet recruitingNot applicable2026-09-01NCT07797088
Erythrocytapheresis for Chronic Mountain SicknessRespiration Disorders, altitude sickness, chronic mountain sickness, respiratory system disorderRecruitingNot applicable2026-08-25NCT04557995
High-flow Nasal Cannula Oxygen Therapy Versus Conventional Oxygen Therapy in High-altitude Pulmonary EdemaRespiration Disorders, altitude sickness, respiratory system disorderRecruitingNot applicable2026-08-11NCT07536477
A Prospective Cohort Study on Endoscopic Features of Upper Gastrointestinal Tract at High Altitude (Zaduo County)Digestive System Diseases, Hypoxia, Pathological Conditions, Signs and Symptoms, Respiration Disorders, Signs and Symptoms, Signs and Symptoms, Respiratory, altitude sickness, chronic atrophic gastritis, digestive system disorder, duodenal disorder, esophageal disorder, esophagitis, gastritis, gastroenteritis, intestinal disorder, peptic esophagitis, peptic ulcer disease, respiratory system disorder, stomach disorderRecruitingNot stated2026-08-10NCT07755384
The Cardiovascular Effects of Patent Foramen Ovale in HypoxiaCardiovascular Abnormalities, Congenital Abnormalities, Congenital, Hereditary, and Neonatal Diseases and Abnormalities, Hypoxia, Pathological Conditions, Signs and Symptoms, Respiration Disorders, Signs and Symptoms, Signs and Symptoms, Respiratory, altitude sickness, atrial septal defect, cardiovascular disorder, congenital heart disease, heart disorder, heart septal defect, high altitude pulmonary edema, patent foramen ovale, respiratory system disorderNot yet recruitingNot stated2026-08-03NCT07742540
Working in the Heat at Simulated Altitude: Effects of Normobaric Hypoxia on Physiological StrainAltitude Hypoxia, Body Temperature Changes, Heat Fatigue, Heat Stress Disorders, Hyperthermia, Hypoxia, Occupational Diseases, Occupational Stress, Pathological Conditions, Signs and Symptoms, Respiration Disorders, Signs and Symptoms, Signs and Symptoms, Respiratory, altitude sickness, injury, respiratory system disorderRecruitingNot applicable2026-07-14NCT07664462
Calcitonin Gene-related Peptide Antibody in Acute Mountain SicknessRespiration Disorders, acute mountain sickness, altitude sickness, brain disorder, central nervous system disorder, headache disorder, hypnic headache, migraine disorder, nervous system disorder, respiratory system disorderNot yet recruitingPhase 42026-07-01NCT07653516
Key Diagnostic & Therapeutic Technologies for Severe Acute High Altitude Disease (SAHAD): Integration and ApplicationRespiration Disorders, altitude sickness, respiratory system disorderNot yet recruitingNot applicable2026-06-10NCT07639931
Altitude and Outcomes in Pediatric ARDS: A Multicenter StudyAltitude Hypoxia, Respiration Disorders, Respiratory Distress Syndrome, Pediatric, adult acute respiratory distress syndrome, altitude sickness, lung disorder, respiratory system disorderRecruitingNot stated2026-06-02NCT07193771
Effect of Hot Spring Therapy on Central Fatigue Elimination During Altitude TrainingCognition Disorders, Cognitive Dysfunction, Respiration Disorders, altitude sickness, cognitive disorder, psychiatric disorder, respiratory system disorderRecruitingNot applicable2026-05-29NCT07615478
Effect of Acute Hypoxia on RIght VEntRicular Function in Asthma.Altitude Hypoxia, Dyspnea, Hypoxia, Pathological Conditions, Signs and Symptoms, Respiration Disorders, Signs and Symptoms, Signs and Symptoms, Respiratory, altitude sickness, respiratory system disorderRecruitingNot applicable2026-05-29NCT07431580
Study of the Effects of Acute Exposure to Moderate Altitude Hypoxia on Prospective Memory.Altitude Hypoxia, Hypoxia, Hypoxia, Brain, Pathological Conditions, Signs and Symptoms, Respiration Disorders, Signs and Symptoms, Signs and Symptoms, Respiratory, altitude sickness, brain disorder, central nervous system disorder, nervous system disorder, respiratory system disorderNot yet recruitingNot applicable2026-05-13NCT07585227