Microparticle formulations for sustained-release of bioactive compounds
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United States of America Patent
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Issued Date -
Sep 29, 2005
app pub date -
Nov 15, 2004
filing date -
Mar 8, 1999
priority date (Note) -
Abandoned
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Abstract
A composition is provided for administration to a subject by way of a needleless syringe. The composition is formed from particles having a mean mass aerodynamic diameter of from 1 to 250 microns, and an envelope density of from 0.1 to 25 g/cm.sup.3, where the particles include a biologically active agent and a sustained-release material that controls release of the active agent to a subject following administration of the composition thereto. Methods for delivering a biologically active agent to a subject are also provided.
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