Formulation for preparing sustained release drugs for oral admin

Details Formulation for preparing sustained release drugs for oral admin Formulation for preparing sustained release drugs for oral admin

1989-02-08

1991-09-10

Page, Thurman K.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Matrices

424457, 424465, 424468, A61K 922, A61K 952

Patent

active

050472488

ABSTRACT:
Pharmaceutical formulations are disclosed, adapted for preparing solid oral dosage forms (tablets, capsules, lozenges, etc.) having a regular and sustained release after administration. Said formulations comprise one or more active substances and a retarding base or matrix consisting of a polysaccharide of natural origin, alone or mixed with one or more natural or synthetic polymers which may be used to modify the release pattern so as to obtain a therapeutically effective formulation.

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patent: 4695467 (1987-09-01), Uemura
patent: 4704285 (1987-11-01), Alderman
patent: 4762702 (1988-08-01), Gergely et al.

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