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Clinical Trial Summary

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.


Clinical Trial Description

Patients with pulmonary hypertension or with interstitial lung disease living below 800 m will be invited to participate in a randomized, cross-over field trial evaluating the hypotheses that: a), breathing and sleep during a 2 day sojourn at moderate altitude are impaired in comparison to low altitude; b), breathing and sleep during a 2 day sojourn at moderate altitude are improved by nocturnal oxygen therapy compared to room air (sham oxygen) administered during nights at altitude. Outcomes will be assessed at low altitude (Zurich, 490 m, baseline), and during 2 study periods of 2 days each spent at moderate altitude (St. Moritz Salastrains, 2048 m), separated by a wash-out period of at least 2 weeks spent at low altitude (<800 m). The order of stays at the different altitudes and of the treatments will be randomized. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT02150616
Study type Interventional
Source University of Zurich
Contact
Status Active, not recruiting
Phase Phase 4
Start date May 2014
Completion date December 2020

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