calcium antagonist
Amlodipine is a calcium antagonist with a long elimination half-life (35 to 50 h)       allowing a once daily dosing in the treatment of hypertension.
Amlodipine is a  @SUBJECT$  with a long elimination half-life (35 to 50 h)       allowing a once daily dosing in the  @PREDICAT$  of  @OBJECT$ .