Therapeutic drug delivery systems

Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Liposomes

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424 121, 424 9321, 424 951, 424489, 436829, 935 54, 264 41, 264 43, 264 46, A61K 9127

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active

057702225

ABSTRACT:
Therapeutic drug delivery systems comprising gas-filled microspheres comprising a therapeutic are described. Methods for employing such microspheres in therapeutic drug delivery applications are also provided. Drug delivery systems comprising gas-filled liposomes having encapsulated therein a drug are preferred. Methods of and apparatus for preparing such liposomes and methods for employing such liposomes in drug delivery applications are also disclosed.

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