BR-A-657 20, 50, 120, 240, 360, 480mg or placebo were administered once to healthy male subjects.
Pharmacokinetic and Pharmacodynamic(PK/PD) parameters were monitored at pre-specified times from each subjects.
PK parameters: Area Under the Curve(AUC), Cmax, half-life, etc. PD parameters: Aldosterone, Plasma renin activity, Angiotensin I, Angiotensin II Adverse events are reported.