Therapeutic system for sparingly soluble active ingredients

Details Therapeutic system for sparingly soluble active ingredients Therapeutic system for sparingly soluble active ingredients

1989-08-03

1991-02-12

Page, Thurman K.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Tablets, lozenges, or pills

424468, 424469, A61K 924

Patent

active

049922785

ABSTRACT:
The present invention relates to a therapeutic system with systemic action for peroral administration, having a compartment for active ingredients, which system contains in that compartment sparingly soluble active ingredients, swelling agents and, optionally, water-soluble substances for producing an osmotic pressure.

REFERENCES:
patent: 3845770 (1974-11-01), Theeuwes et al.
patent: 4060598 (1977-11-01), Groppenbacher et al.
patent: 4111202 (1978-09-01), Theeuwes
patent: 4327725 (1982-05-01), Cortese et al.
patent: 4624847 (1986-11-01), Ayer et al.
patent: 4685918 (1987-08-01), Amidon et al.
patent: 4692336 (1987-09-01), Eckenhoff et al.
Theeuwes, J. Pharm. Sc., vol. 64, No. 12, pp. 1987-1991 (1975).

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