Official Title: Open Label Non Comparative Study to Investigate the Effect of Bosentan on Pulmonary Artery Remodelling in Pulmonary Arterial Hypertension PAH
Status: COMPLETED
Status Verified Date: 2015-04
Last Known Status: None
Delayed Posting: No
If Stopped, Why?: Not Stopped
Has Expanded Access: False
If Expanded Access, NCT#: N/A
Has Expanded Access, NCT# Status: N/A
Acronym: None
Brief Summary: The main purpose of this study is to investigate whether bosentan Tracleer affects the wall thickness of the pulmonary arteries in patients with idiopathic pulmonary arterial hypertension iPAH and PAH related to systemic sclerosis PAH-SSc
The second purpose is to investigate if bosentan affects the enlargement of small vessels in the lungs in response to natural chemicals in patients with iPAH and PAH-SSc