Method for administering drug to gastrointestinal tract

Details Method for administering drug to gastrointestinal tract Method for administering drug to gastrointestinal tract

1992-04-01

1998-07-28

Phelan, D. Gabrielle

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Tablets, lozenges, or pills

424468, 424472, A61K 924

Patent

active

057859949

ABSTRACT:
A dosage form is disclosed that comprises means inside the dosage form for providing a substantially drug-free interval before the dosage form delivers a drug from inside the dosage form. The dosage form in an embodiment comprises a drug on the exterior of the dosage form, which drug is available for immediate delivery.

REFERENCES:
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patent: 4093709 (1978-06-01), Choi et al.
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patent: 4783337 (1988-11-01), Wong et al.
patent: 4863744 (1989-09-01), Urquhart et al.
patent: 4892739 (1990-01-01), Shah et al.
patent: 4950486 (1990-08-01), Ayer et al.
patent: 4966769 (1990-10-01), Guittard et al.
patent: 4984592 (1991-01-01), Ayer et al.
Chronobiologia, vol. 13, pp. 239-243, (1986).

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