Compositions and methods for nucleic acid delivery to the lung
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United States of America Patent
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Issued Date -
May 15, 2003
app pub date -
Sep 18, 2002
filing date -
Apr 7, 1993
priority date (Note) -
Abandoned
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Abstract
A dry powder composition comprises insoluble nucleic acid constructs dispersed within with a hydrophilic excipient material, where the powder particles have an average size in the range from 0.5 .mu.m to 50 .mu.m. Nucleic acid constructs may comprise bare nucleic acid molecules, viral vectors, or vesicle structures. The hydrophilic excipient material will be selected to stabilize the nucleic acid molecules in the constructs, enhance dispersion of the nucleic acid in dry powder aerosols, and enhance wetting of the nucleic acid constructs as they are delivered to moist target locations within the body.
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