Woman and Man
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Extract
to evaluate the long-term safety and tolerability of oral BAY 63-2521 (1 mg, 1.5 mg, 2 mg, or 2.5 mg tid) in treatment of naive patients and patients pretreated with an Endothelin Receptor Antagonist or a Prostacyclinanalogue with symptomatic Pulmonary Arterial Hypertension (PAH)
Inclusion criteria
- Pulmonary Arterial Hypertension (PAH)