Overview Japan Morning Surge-1 Study Status: Completed Trial end date: 2005-08-01 Target enrollment: Participant gender: Summary The purpose of this study is to examine whether strict blood pressure (BP) control by doxazosin using home BP monitoring, especially targeting the morning BP level, can reduce hypertensive target organ damage. Phase: Phase 4 Details Lead Sponsor: Japan Heart FoundationTreatments: Doxazosin