- Poorly controlled hypertension (mean systolic blood pressure (SBP) of ≥140mmHg, or mean diastolic blood pressure (DBP) of ≥ 90mmHg. Note: Initiation or adjustment of anti-hypertensive medication(s) is permitted prior to study entry. The blood pressure (BP) must be re-assessed on two occasions that are separated by a minimum of 5 minutes. The mean SBP/DBP values from both BP assessments must be < 140/90mmHg in order for a subject to be eligible for the study.