185
Participants
Start Date
April 30, 2004
Primary Completion Date
November 30, 2006
Study Completion Date
February 28, 2011
bosentan
65 mg tablet twice a day for 4 weeks followed by 125 mg tablet twice a day until end of study
placebo
placebo for 6 months followed by an open-label period
General Hospital of Vienna, Vienna
The Prince Charles Hospital, Brisbane
Marseille-Timone, Marseille
Universitat Greifswald, Greifswald
University of Alabama-Birmingham, Birmingham
Cleveland Clinic Foundation, Cleveland
University of Michigan, Ann Arbor
St. Paul University Hospital, Dallas
Harbor UCLA Medical Center, Torrance
Tufts- New England Medical Center, Boston
Royal Prince Albert Hospital, Camperdown
St. Vincent's Hospital, Darlinghurst
UZ Gasthuisberg, Leuven
Queen Mary Hospital, Hong Kong
Interni klinika VFN, Prague
Universitat Greifswald, Greifswald
Universitarsklinikum Hamburg-Eppendorf, Hamburg
Medizinische Universitatsklinik, Heidelberg
Universitatsklinikim Leipzig, Leipzig
Klinikum der Universitat Regensburg, Regensburg
Policlinico S. Orsola-Malpighi, Bologna
VU Medisch Centrum, Amsterdam
University Hospital Maastricht, Maastricht
Hospital Clinic, Barcelona
Hospital Valle d'Hebron, Barcelona
Hospital 12 de Octubre, Madrid
Zurich University Hospital, Zurich
University of Calgary, Calgary
University of Alberta, Edmonton
Halifax Infirmary, Halifax
Victoria Medical Centre, Hamilton
Toronto General Hospital, Toronto
Centre de Pneumologie de L'Hospital Laval, Sainte-Foy
Papworth Hospital, Cambridge
Lead Sponsor
Actelion
INDUSTRY