Diketopiperazine-based delivery systems
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United States of America Patent
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Nov 2, 1999
Issued Date -
N/A
app pub date -
Apr 29, 1997
filing date -
Sep 29, 1994
priority date (Note) -
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Abstract
Compositions useful in the delivery of active agents are provided. These delivery compositions include (a) an active agent; and either (b)(1) a carrier of (i) at least one amino acid and (ii) at least one diketopiperazine or (b)(2) at least one mono-N-substituted, di-N-substituted, or unsubstituted diketopiperazine. Methods for preparing these compositions and administering these compositions are also provided.
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