Immediate release tablet cores of insoluble drugs having sustained-release coating
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United States of America Patent
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-
May 14, 2002
Issued Date -
N/A
app pub date -
Feb 6, 2001
filing date -
Nov 23, 1993
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A controlled release tablet for oral administration is disclosed which has a tablet core including an insoluble therapeutically active agent having an aqueous solubility of less than or equal to about 5 mg/ml in a sufficient amount to render a therapeutic effect. The core provides rapid release of said therapeutically active agent upon exposure to aqueous solutions. The tablet core is coated with a controlled release coating permitting sustained release of said therapeutically active agent when said coated tablet is exposed to aqueous solutions.
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