Drug delivery device, especially for the delivery of gestodene
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United States of America Patent
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Oct 9, 2001
Grant Date -
N/A
app pub date -
May 10, 2000
filing date -
May 10, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a delivery device for the controlled release of the therapeutically active agent gestodene, over a prolonged period of time, at a release rate of 0,1-300 .mu.g/day, said device comprising a core comprising at least said therapeutically active agent, and a membrane encasing said core wherein said membrane is made of an elastomer. According to the invention, the elastomer is a siloxane-based elastomer comprising 3,3,3-trifluoropropyl groups attached to the Si-atoms of the siloxane units, and the release rate of said therapeutically active agent of said delivery device is regulated by the amount of said 3,3,3-trifluoropropyl groups.
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