Orally-pharmaceutical preparations with colon selective delivery

Details Orally-pharmaceutical preparations with colon selective delivery Orally-pharmaceutical preparations with colon selective delivery

1991-04-18

1992-12-15

Page, Thurman K.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Particulate form

424471, 424460, 424461, 424462, A61K 916

Patent

active

051715805

ABSTRACT:
Orally administrable pharmaceutical preparation containing an active ingredient to be released in the lower part of the gastrointestinal tract, i.e. in the large intestine, and especially colon, consisting of a core containing a therapeutically active substance and coated with three protection layers at different solubility. The manufacturing and the use of these preparations are also described.

REFERENCES:
patent: 3431338 (1969-03-01), Munzel et al.
patent: 4716040 (1987-12-01), Panoz
patent: 4755385 (1988-07-01), Etienne et al.

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