Prolonged release drug tablet formulations
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United States of America Patent
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Mar 17, 1992
Grant Date -
N/A
app pub date -
Nov 22, 1989
filing date -
Jun 28, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A prolonged-release unit dosage formulation or pharmaceutical composition, preferably in tablet form, is described. The composition consists essentially of a gel-forming dietary fiber, a biologically-absorbable drug or other active therapeutic agent, and certain specific disintegrants, namely, a physiologically-acceptable edible acid and a mineral salt which releases a physiologically-acceptable gas upon ingestion, preferably carbon dioxide, e.g., a mineral carbonate or bicarbonate, and advantageously dextrose or like soluble sugar. The dietary fiber-containing composition, when compressed into a tablet together with the drug and the specific disintegrants, provides a unique and efficient prolonged-action drug-delivery system.
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