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Clinical Trial Summary

The investigators aim to study the effect of SOT in Swiss residents with pulmonary vascular diseases (PVD) defined as pulmonary arterial hypertension (PAH) or chronic thromboembolic pulmonary hypertension (CTEPH).


Clinical Trial Description

Participants with PVD diagnosed with precapillary PH with right heart catheterization and classified to groups 1 and 4 (PAH or CTEPH) who live in Switzerland will have 6-minute walk distance (6MWD) test with and without SOT approximately 3l/min via nasal cannula according to a randomized cross-over design. The trial aims to test that the 6MWD with SOT is non-inferior to a 6MWD in the same participant under ambient air. The effect size was estimated with a difference of less or equal to 35m compared under SOT compared to ambient air. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT06384534
Study type Interventional
Source University of Zurich
Contact Silvia Ulrich, Prof. Dr.
Phone +41442552220
Email silvia.ulrich@usz.ch
Status Not yet recruiting
Phase N/A
Start date May 2024
Completion date November 2025

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