Woman and Man
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Extract
The primary objective of this study is to evaluate the long-term safety of sitaxsentan and sitaxsentan plus sildenafil in subjects with PAH who are eligible for this study if B1321003 (combination therapy study) was completed or if early escape was met in B1321001 (placebo controlled study) or early discontinuation in B1321003.
Inclusion criteria
- pulmonary arterial hypertension