Overview The VALIDATE-D Study Status: Completed Trial end date: 2015-12-01 Target enrollment: Participant gender: Summary The purpose of this study is to evaluate whether vitamin D receptor agonist therapy lowers renin-angiotensin system activity. Phase: N/A Details Lead Sponsor: Brigham and Women's HospitalTreatments: CalcitriolDihydroxycholecalciferolsLisinopril