Reversible cross-linked gel
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United States of America Patent
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Jun 25, 2002
Grant Date -
N/A
app pub date -
Jul 29, 1998
filing date -
Jun 30, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
There is disclosed a method for producing a system for delivering a drug for the treatment of a condition, comprising immobilizing a drug or other agent in a bio-compatible matrix containing at least one receptor for a physiological substance which will be in the environment of the matrix when administered, said receptor being anchored within the matrix but remaining biologically active being activated in response to the levels of said physiological substance to effect a conformational change in the matrix allowing mobilization and release of the drug only into the environment.
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