What is already known about this subject?
▪Nifedipine is a short acting dihydropyridine calcium channel blocker, which can reduce myocardial oxygen consumption, diastolic and systolic blood pressure.
▪The bioavailability of nifedipine conventional preparations is low and the adverse reactions are serious.
▪The influence of food effect on the pharmacokinetics of nifedipine sustained-release preparations is uncertain.