Controlled-release medical preparations

Details Controlled-release medical preparations Controlled-release medical preparations

A - Human Necessities

61

K

167/166, 167/168

A61K 9/22 (2006.01) A61K 9/24 (2006.01) A61K 9/28 (2006.01)

Patent

CA 1252723

ABSTRACT The present invention concerns a novel pharmaceutical preparation having a biphasic release pattern. The preparation comprises a tablet core containing a drug. The tablet is coated with a coating essential- ly consisting of a film-forming water-insoluble polymer having fine water soluble particles randomly distributed therein. The fine particles include a drug active substance, which is the same as the drug in the core. The drug active substance in the particles may also be different from the one in the tablet core.

489993

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