<qa>  What was the outcome of the 24-hour ambulatory blood pressure monitoring?Following a washout of any previous beta-blocker medication, if applicable, supine, sitting, and standing cuff blood pressure and pulse rate, 24-hour ambulatory blood pressure monitoring ABPM, ECG, laboratory assessments and genomics testing were performed before randomization. Patients were randomized to receive placebo or nebivolol once daily in the morning together with their curently prescribed antihypertensive therapy. Patients had four scheduled clinical visits during the study, following the screening visit. 