Randomized, double-blind, placebo-controlled, multi-centre, multi-national study to evaluate the efficacy and safety of oral BAY 63-2521 (1 mg, 1.5 mg, 2 mg, or 2.5 mg tid) in patients with symptomatic Pulmonary Arterial Hypertension (PAH) To assess the efficacy and safety of oral BAY 63-2521 (1 mg, 1.5 mg, 2 mg, or 2.5 mg tid) in treatment naive patients and patients pretreated with an Endothelin Receptor Antagonist or a Prostacyclin a...

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A randomized, double blind, parallel group study of vardenafil flexible dose versus placebo in males with erectile dysfunction and their female partners’ sexual quality of life. PARTNER II The primary objective of this study is to compare the efficacy of vardenafil flexible dose after 12 weeks of treatment versus placebo in terms of: 1. Success of maintenance of erection in men with ED....

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