Efficacy and Safety of Oral Bosentan in Pulmonary Arterial Hypertension Class II
Pulmonary Hypertension
About this trial
This is an interventional treatment trial for Pulmonary Hypertension focused on measuring Pulmonary arterial hypertension, PAH, PPH, bosentan, early
Eligibility Criteria
Inclusion Criteria: PAH NYHA Class II Significant elevation of mean pulmonary arterial pressure Significant elevation of pulmonary vascular resistance at rest Limited 6-minute walk distance Exclusion Criteria: PAH secondary to portal hypertension, complex congenital heart disease or reverse shunt Restrictive or obstructive lung disease Significant vasoreactivity Treatments for PAH (within 4 weeks of randomization)
Sites / Locations
- University of Alabama-Birmingham
- Harbor UCLA Medical Center
- Tufts- New England Medical Center
- University of Michigan
- Cleveland Clinic Foundation
- St. Paul University Hospital
- The Prince Charles Hospital
- Royal Prince Albert Hospital
- St. Vincent's Hospital
- General Hospital of Vienna
- UZ Gasthuisberg
- University of Calgary
- University of Alberta
- Halifax Infirmary
- Victoria Medical Centre
- Toronto General Hospital
- Centre de Pneumologie de L'Hospital Laval
- Queen Mary Hospital
- Interni klinika VFN
- Marseille-Timone
- Universitat Greifswald
- Universitat Greifswald
- Universitarsklinikum Hamburg-Eppendorf
- Medizinische Universitatsklinik
- Universitatsklinikim Leipzig
- Klinikum der Universitat Regensburg
- Policlinico S. Orsola-Malpighi
- VU Medisch Centrum
- University Hospital Maastricht
- Hospital Clinic
- Hospital Valle d'Hebron
- Hospital 12 de Octubre
- Zurich University Hospital
- Papworth Hospital
Arms of the Study
Arm 1
Arm 2
Experimental
Placebo Comparator
1
2
62.5 mg table twice a day for 4 weeks followed by 125 mg tablet twice a day for 6 months followed by an open label period until end of study.
placebo for 6 months followed by an open label period