nifedipine given for 2 weeks ( average dose , 48 mg/d ) reduced bp significantly ( p less than 0.05 ) in the borderline hypertensive subjects only and ne pressor responses in both groups ( p less than 0.025 ) , but had no significant effect on plasma catecholamines , renin , or aii levels .
C0020649
reduced bp
C0028351
ne