Therapeutic delivery systems
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United States of America Patent
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Sep 3, 2002
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app pub date -
Jun 7, 1995
filing date -
Dec 22, 1989
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Abstract
Therapeutic delivery systems comprising gaseous precursor-filled microspheres comprising a therapeutic are described. Methods for employing such microspheres in therapeutic delivery applications are also provided. Therapeutic delivery systems comprising gaseous precursor-filled liposomes having encapsulated therein a contrast agent or drug are preferred. Methods of and apparatus for preparing such liposomes and methods for employing such liposomes in therapeutic delivery applications are also disclosed.
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