Overview The Renin-Angiotensin-Aldosterone System and Parathyroid Hormone Control: The RAAS-PARC Study Status: Completed Trial end date: 2016-12-01 Target enrollment: Participant gender: Summary This study will evaluate whether commonly used blood pressure medications called "ACE inhibitors" can lower parathyroid hormone. Phase: N/A Details Lead Sponsor: Brigham and Women's HospitalTreatments: CaptoprilHormonesLisinopril