Sustained-release drug dosage units

Details Sustained-release drug dosage units Sustained-release drug dosage units

1991-06-04

1992-12-08

Page, Thurman K.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Matrices

424486, 424495, 424497, 514557, 514965, A61K 914, A61K 926

Patent

active

051696428

ABSTRACT:
A sustained-release coating composition is described that contains an ethylcellulose and/or a methacrylic methylester together with a plasticizer and a detackifying agent. Sized drug granules are coated with this composition and then mixed with a polymeric composition containing at least one viscosity agent and formed into drug dosage units for the administration and sustained release of the drug in a patient. The sustained-release drug dosage units described produce a continuous, slow release of the drug at a therapeutically effective dosage level when administered to a patient.

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