Controlled release azelastine-containing pharmaceutical composit

Details Controlled release azelastine-containing pharmaceutical composit Controlled release azelastine-containing pharmaceutical composit

1992-04-10

1993-12-21

Michl, Paul R.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Particulate form

424465, 424457, 424458, 424467, 424422, 424468, 424473, 424474, 424475, 424483, 424499, 424502, 514826, A61K 916, A61K 922, A61K 928, A61K 954

Patent

active

052719464

ABSTRACT:
Azelastine-containing pharmaceutical compositions which provide controlled release of the active substance using a sustained release component. The compositions contain azelastine or a physiologically acceptable salt of azelastine, together with 0.001 to 800 parts of sustained release component for each part by weight of azelastine (calculated as base) and the release rate of azelastine is between 0.05 and 5 mg per hour.

REFERENCES:
patent: 4704285 (1987-11-01), Alderman
patent: 4704387 (1987-11-01), Engel et al.
patent: 4829064 (1989-05-01), Sunshine et al.
patent: 4853249 (1989-08-01), Takashima et al.
patent: 5086050 (1992-02-01), Hettche et al.

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