Open label study
However, the study was designed to permit use of concomitant IV therapy at any time if needed.
Definition of severe HTN (SBP>180, DBP>115 mm Hg) was developed according to clinical experience
Patient population was a mixture of hypertensive urgencies and emergencies.
Annals of Emergency Medicine - 06 June 2008 (10.1016/j.annemergmed.2008.04.025)