Treatment of Patients With the Obstructive Sleep Apnea Syndrome at Altitude
Completed
University of Zurich
Phase 4
2008-06-01
The purpose of the study is to investigate the effect of acetazolamide as a treatment for
sleep related breathing disturbances in patients with the obstructive sleep apnea syndrome
living at low altitude during a sojourn at moderate altitude
Continuous Positive Airway Pressure and Acetazolamide to Treat Sleep Apnea Syndrome Patients at Altitude
Completed
University of Zurich
Phase 4
2009-06-01
The purpose of the study is to investigate the effect of nasal continuous positive airway
pressure in combination with acetazolamide as a treatment for sleep related breathing
disturbances in patients with the obstructive sleep apnea syndrome living at low altitude
during a sojourn at moderate altitude.
Patients With Chronic Obstructive Pulmonary Disease at Altitude - Effect of Nocturnal Oxygen on Exercise Performance
Completed
University of Zurich
Phase 4
2014-05-01
The purpose of this study is to investigate the effect of nocturnal oxygen therapy during a
stay at moderate altitude on exercise performance of patients with chronic obstructive lung
disease.
Patients With Pulmonary Hypertension or Interstitial Lung Disease at Altitude - Effect of Oxygen on Exercise Performance
Completed
University of Zurich
Phase 4
2014-05-01
The purpose of this study is to investigate the effect of travelling to moderate altitude and
of nocturnal oxygen therapy during a stay at moderate altitude on exercise performance of
patients with pulmonary hypertension or with interstitial lung disease.
Patients With Pulmonary Hypertension or Interstitial Lung Disease at Altitude - Effect of Oxygen on Breathing and Sleep
Active, not recruiting
University of Zurich
Phase 4
2014-05-01
The purpose of this study is to investigate the effect of travelling to moderate altitude and
of nocturnal oxygen therapy during a stay at moderate altitude on breathing and sleep of
patients with pulmonary hypertension or with interstitial lung disease.
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Last updated: May 4, 2026
SOJOURN: What’s the clinical-trials status, market outlook, and revenue projection?
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