18
Participants
Start Date
August 31, 2010
Primary Completion Date
June 30, 2012
Study Completion Date
May 31, 2013
Riociguat (Adempas, BAY63-2521)
BAY63-2521: 1 mg tid - 2,5 mg tid oral for 12 weeks.
Placebo
Placebo for 12 weeks
Sildenafil
Participants continued to take daily stable sildenafil background treatment according to their prescriptions.
Auckland
Innsbruck
Christchurch
Villach
Vseobecna fakultni nemocnice, Prague
Berlin
Hamburg
Pavia
Hanover
Giessen
Bologna
Mönchengladbach
Columbus
Cologne
Heidelberg
Aurora
Regensburg
Würzburg
Providence
Dresden
Otwock
Warsaw
Barcelona
Papworth Hospital, Cambridge
Clydebank
Lead Sponsor
Bayer
INDUSTRY