Overview Study Evaluating the Efficacy and Safety of Flexible-dose Vardenafil in Subjects With Erectile Dysfunction Status: Completed Trial end date: 2004-02-01 Target enrollment: Participant gender: Summary Study to investigate the efficacy and safety of Vardenafil Phase: Phase 3 Details Lead Sponsor: BayerCollaborator: GlaxoSmithKlineTreatments: Vardenafil Dihydrochloride