Initial clinical assessment at the time of the patient's screening visit will be performed at the outpatient testing center in the transplant clinic. A three day window will be allowed for all visits. The following measurements will occur at this visit: Biometric measurements: vitals ( blood pressure and pulse) body weight, EKG, Arm circumference, confirmation of hypertension by 24-h ABPM , urine studies: 24 hour urine collection and evaluation, safety, 8-10AM sitting upright Plasma Aldosterone/Renin Ratio, clinical safety laboratory test: bone morphogenetic protein, Mg/phosphorus level, Parathyroid hormone, vitamin D level and HbA1c, review and document concomitant medications, including current furosemide prescription. Subjects who meet the inclusion criteria and none of the exclusion criteria will start Baseline (Week 1) Measurements.