This Study is to Evaluate the Safety and Efficacy of Avanafil in the Treatment of Erectile Dysfunction.

연구 개요

The objective of this study is to evaluate the safety and efficacy of Avanafil in the treatment of erectile dysfunction with moderate to severe in subjects. And, this is to additionally confirm the efficacy and safety after initiating treatment with Avanafil 100mg and later increasing to 200mg, compared with continuing treatment with Avanafile 100mg, in subjects.