Colonic drug delivery composition
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United States of America Patent
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-
May 8, 2001
Grant Date -
N/A
app pub date -
Feb 10, 1997
filing date -
Jun 21, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A colonic drug delivery composition is provided and comprises a starch capsule containing a drug, the starch capsule being provided with a coating such that the drug will only be released from the capsule in the colon. The coating may be a pH sensitive material, a redox sensitive material, or a material broken down by specific enzymes or bacteria present in the colon. The drug to be delivered may be one for local action in the colon or a systemically active drug to be absorbed from the colon.
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