COMPOSITION FOR THE CONTROLLED RELEASE OF BUPRENORPHINE
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United States of America Patent
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Issued Date -
Dec 6, 2012
app pub date -
May 30, 2012
filing date -
May 30, 2011
priority date (Note) -
Abandoned
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Abstract
The present invention relates to a novel aqueous liquid pharmaceutical composition for the controlled release of buprenorphine or of an analogue of buprenorphine, comprising at least one prodrug with low aqueous solubility of said buprenorphine or analogue of buprenorphine, and at least one polymer having a linear backbone chosen from the polyglutamates, polyaspartates, poly(meth)acrylates and polysaccharides, to which one or more hydrophobic groups are grafted.
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