Overview Hemodynamic Study of Avanafil and Two α-Adrenergic Blockers,Doxazosin and Tamsulosin Status: Completed Trial end date: 2010-04-01 Target enrollment: Participant gender: Summary The purpose of this study is to see if avanafil causes any changes in blood pressure and pulse rate when taken with doxazosin or tamsulosin. Phase: Phase 1 Details Lead Sponsor: VIVUS, Inc.Treatments: Adrenergic AgentsAdrenergic AntagonistsDoxazosinTamsulosin