Overview Efficacy and Safety Study of Udenafil to Treat Erectile Dysfunction Status: Completed Trial end date: 2012-05-01 Target enrollment: Participant gender: Summary Study Design : multi-center, double-blind, placebo-controlled, randomized, parallel group, fixed dose design Phase : Phase III Phase: Phase 3 Details Lead Sponsor: Dong-A Pharmaceutical Co., Ltd.Treatments: Udenafil