Dosage form for administering drug of the colon

Details Dosage form for administering drug of the colon Dosage form for administering drug of the colon

1986-06-23

1987-11-10

Demers, Arthur P.

Surgery

Controlled release therapeutic device or system

Osmotic or diffusion pumped device or system

428508, A61K 922, A61K 924

Patent

active

047055154

ABSTRACT:
An osmotic device is disclosed for delivering a drug to the colon. The device comprises a laminated wall surrounding a compartment containing a drug with a passageway through the wall for dispensing the drug from the device. The laminated wall comprises three laminae, an inner semipermeable lamina, a middle lamina containing a salt of a fatty acid and an outer enteric lamina.

REFERENCES:
patent: 4008719 (1977-02-01), Theeuwes

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