16 not yet recruiting, 12 completed, 6 unknown, 2 enrolling by invitation. 23 Not applicable, 3 Phase 4, 1 Phase 1.
| Phase | Trials | Status |
|---|---|---|
| Not applicable | 23 | Not yet recruiting 14, Completed 6, Unknown 2, Enrolling by invitation 1 |
| Phase 4 | 3 | Completed 3 |
| Phase 1 | 1 | Completed 1 |
Follow High Altitude: new trials by email Literature Review of High Altitude trials Research Report on High Altitude
Tick up to 5 trials to compare them side by side (eligibility, arms, endpoints, adverse events) in a Literature Matrix.
| Trial | Phase | Status | Sponsor | Enrollment | Start | Updated |
|---|---|---|---|---|---|---|
| Assessment of Lung Function (Lufu) at Sea Level LA vs. High Altitude HA in Patients With Pulmonary Arterial Hypertension PAH Re-ascent from sea level to 2850m - Pulmonary Arterial Hypertension (PAH), Pulmonary Vascular Disease | Not applicable | Not yet recruiting | Silvia Ulrich Somaini | 20 | 2026-09-25 | 2026-09-04 |
| Sleep-Assessment in Patients Between High Altitude HA vs. Sea Level LA in Healthy Individuals H Descent from 2850m to sea level and re-ascent back to 2850m - Healthy, Healthy Adult | Not applicable | Not yet recruiting | Silvia Ulrich Somaini | 14 | 2026-09-25 | 2026-09-03 |
| Assessment of Total Pulmonary Resistance sPAP/CO Between High Altitude HA vs. Sea Level LA in Patients With Pulmonary Arterial Hypertension PAH Descent from 2850m to sea level - Pulmonary Arterial Hypertension (PAH), Pulmonary Vascular Disease | Not applicable | Not yet recruiting | Silvia Ulrich Somaini | 20 | 2026-09-25 | 2026-09-04 |
| 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 Descent and re-ascent (2850m, sea level) - Healthy, Healthy Adult | Not applicable | Not yet recruiting | Silvia Ulrich Somaini | 14 | 2026-09-25 | 2026-09-03 |
| Assessment of Six-minute Walking Distance Between Sea Level LA vs. High Altitude HA After Re-ascent in Patients With Pulmonary Arterial Hypertension PAH Re-Ascent sea level to 2850m - Pulmonary Arterial Hypertension (PAH), Pulmonary Vascular Disease | Not applicable | Not yet recruiting | Silvia Ulrich Somaini | 20 | 2026-09-25 | 2026-09-01 |
| Assessment of Six-minute Walking Distance Between Sea Level LA vs. High Altitude HA After Re-ascent in Healthy Individuals Re-Ascent sea level to 2850m - High Altitude, Healthy | Not applicable | Not yet recruiting | Silvia Ulrich Somaini | 14 | 2026-09-25 | 2026-09-01 |
| 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 PAH Descent and re-ascent (2850m, sea level) - High Altitude Effects, High Altitude | Not applicable | Not yet recruiting | Silvia Ulrich Somaini | 20 | 2026-09-25 | 2026-09-03 |
| Sleep-Assessment in Patients Between High Altitude HA vs. Sea Level LA in Patients With Pulmonary Arterial Hypertension PAH Descent to sea level - Pulmonary Arterial Hypertension (PAH), Pulmonary Vascular Disease | Not applicable | Not yet recruiting | Silvia Ulrich Somaini | 20 | 2026-09-25 | 2026-09-03 |
| Assessment of Six-minute Walking Distance 6MWD Between High Altitude HA vs. Sea Level LA in Healthy Individuals H Descent from 2850m to sea level - High Altitude, Six-minute Walk Test | Not applicable | Not yet recruiting | Silvia Ulrich Somaini | 14 | 2026-09-25 | 2026-09-03 |
| Assessment of Total Pulmonary Resistance sPAP/CO Between Sea Level LA vs. High Altitude HA After Re-ascent in Healthy Individuals Re-Ascent from sea level to 2850m - High Altitude, Healthy | Not applicable | Not yet recruiting | Silvia Ulrich Somaini | 14 | 2026-09-25 | 2026-09-04 |
| Assessment of Six-minute Walking Distance 6MWD Between High Altitude HA vs. Sea Level LA in Patients With Pulmonary Arterial Hypertension PAH Descent from 2850m to sea level - Pulmonary Arterial Hypertension (PAH), Pulmonary Vascular Disease | Not applicable | Not yet recruiting | Silvia Ulrich Somaini | 20 | 2026-09-25 | 2026-09-04 |
| Assessment of Lung Function (Lufu) at Sea Level LA vs. High Altitude HA in Healthy Individuals Re-ascent from sea level to 2850m - Healthy, Healthy Adult | Not applicable | Not yet recruiting | Silvia Ulrich Somaini | 14 | 2026-09-25 | 2026-09-04 |
| 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 Re-Ascent from sea level to 2850m - Pulmonary Arterial Hypertension (PAH), Pulmonary Vascular Disease | Not applicable | Not yet recruiting | Silvia Ulrich Somaini | 20 | 2026-09-25 | 2026-09-04 |
| Assessment of Total Pulmonary Resistance sPAP/CO Between High Altitude HA vs. Sea Level LA in Healthy Individuals H Descent from 2850m to sea level - High Altitude, Healthy Adult | Not applicable | Not yet recruiting | Silvia Ulrich Somaini | 14 | 2026-09-25 | 2026-09-04 |
| The Study of Personalized Health Check-up Programs and Standards for High-altitude Migrant Populations High Altitude | Not yet recruiting | Capital Medical University | 300 | 2025-06-30 | 2025-06-12 | |
| Postoperative Complications of Orthopedic Surgery in Patients From High-altitude Regions Orthopedic Surgery, Postoperative Complications | Not yet recruiting | West China Hospital | 400 | 2024-11-15 | 2024-10-15 | |
| The Effect of Acute High Altitude Exposure on Rescuer Performance and Patient Care Acute high altitude exposure, Acute high altitude exposure, with supplementary oxygen, Subacute high altitude exposure, after having spent a night at high altitude - High Altitude, Hypobaric Hypoxia | Not applicable | Completed | Insel Gruppe AG, University Hospital Bern | 20 | 2024-08-02 | 2026-04-29 |
| HighCycle: Effect of Acetazolamide on Pulmonary Artery Pressure in Women Compared to Men Acetazolamide, Placebo - High Altitude | Phase 4 | Completed | University of Zurich | 303 | 2024-07-15 | 2026-06-05 |
| CO2 Supplement for Treatment of Acute Mountain Sickness Breathing with CO2 during daytime and night at high altitude, Sleep and doing exercise test under inhalation of air - Acute Mountain Sickness, High Altitude | Not applicable | Completed | State Key Laboratory of Respiratory Disease | 46 | 2024-06-07 | 2024-12-18 |
| Protocol for Evaluating Physiological and Psychological Adaptation Mechanisms in Tibetan Plateau Environments measurement - High Altitude | Enrolling by invitation | Peking Union Medical College Hospital | 17 | 2024-05-17 | 2024-08-16 |
Showing 20 of 37. Sign in to see all of them.
Altitude Sickness (37) · Hypoxia (13) · Pulmonary Arterial Hypertension (7) · Hypertension, Pulmonary (5) · Mucopolysaccharidosis IV (2) · Respiratory Aspiration (2) · Sleep Apnea Syndromes (2) · Arrhythmias, Cardiac (1) · COVID-19 (1) · Cardiotoxicity (1) · Hypertension (1) · Postoperative Complications (1) · Pulmonary Disease, Chronic Obstructive (1) · Risk Reduction Behavior (1) · Sleep Apnea, Central (1)
Respiration Disorders (37) · Respiratory Tract Diseases (37) · Pathological Conditions, Signs and Symptoms (19) · Signs and Symptoms (13) · Signs and Symptoms, Respiratory (13) · Lung Diseases (9) · Cardiovascular Diseases (8) · Pathologic Processes (6) · Vascular Diseases (6) · Hypertension (5) · Apnea (3) · Dyssomnias (3) · Nervous System Diseases (3) · Sleep Disorders, Intrinsic (3) · Sleep Wake Disorders (3)
Acetazolamide (1) · CVS 1123 (1) · Ibuprofen (1) · Maltose (1) · Nifedipine (1) · Oxygen Saturation (1) · Pioglitazone (1) · Sea Level Rise (1) · Sugars (1) · Telmisartan (1) · Ventilation (1) · Weights and Measures (1)
Silvia Ulrich Somaini (14) · United States Army Research Institute of Environmental Medicine (3) · Peking University People's Hospital (2) · State Key Laboratory of Respiratory Disease (2) · University of Zurich (2) · Affiliated Hospital of Qinghai University (1) · Ataturk University (1) · Beijing Chao Yang Hospital (1) · Capital Medical University (1) · Centre d'Expertise sur l'Altitude EXALT (1) · Giresun University (1) · IU University of Applied Sciences (1) · Insel Gruppe AG, University Hospital Bern (1) · Istituto Auxologico Italiano (1) · Nanjing Medical University (1)
Switzerland (15) · China (9) · United States (4) · Kyrgyzstan (2) · Peru (2) · Turkey (Türkiye) (2) · Germany (1)
Rodrigo Hoyos (14) · Silvia Ulrich (14) · Yi Feng (2) · Yuanming Luo, PhD (2) · Chunling Jiang, PhD (1) · Dilek Yeniay (1) · Gianfranco Parati, MD, PhD (1) · John Feiner, MD (1) · Juergen Knapp, PD, MD (1) · Lee M Margolis, PhD (1) · Liu Xiaoqin, Bachelor (1) · Martina Heer, PhD (1) · Philip Bickler, PhD/MD (1) · Rui Wang, Dr. (1) · Silvia Ulrich, Prof (1)
PMID 15220175, PMID 17339571, PMID 19921365, PMID 21654697, PMID 239384, PMID 25895588, PMID 26357836, PMID 29886423, PMID 32333993, PMID 32679369, PMID 32803989, PMID 32815745, PMID 32971150, PMID 33054403, PMID 34197184, PMID 35280910, PMID 35459680, PMID 36376852, PMID 42429551, PMID 5556959, PMID 9667290