| abstract |
Pharmaceutical dosage forms having a linear release rate of the 0 th order for the once-daily oral administration of 20 - 120 mg of nifedipine or of another calcium antagonist of the dihydropyridine type, characterised by a homogeneous matrix containing 2 - 50 % by weight of hydroxypropyl-methylcellulose having an average molecular weight of 20,000 - 250,000, 5 - 60 % by weight of a calcium antagonist of the dihydropyridine type, as well as customary excipients compatible with the formulation, such as lipophilic or hydrophilic liberation controllers, fillers, flow-regulating agents, lubricants and, optionally, film coatings. |