Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Liposomes
Reexamination Certificate
2005-03-29
2005-03-29
Carlson, Karen Cochrane (Department: 1653)
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Liposomes
Reexamination Certificate
active
06872406
ABSTRACT:
The present invention comprises a method for delivering pharmaceutical agents within and/or through the dermal and mucosal membranes, utilizing a fusogenic protein. The fusogenic protein is associated with a phospholipid membrane, such as a liposome. The liposome contains the pharmaceutical agent. Preferred fusogenic proteins include saposin C and other proteins, polypeptides and peptide analogs derived from saposin C. The active agent contained within the liposome may comprise large biomolecules and/or small organic molecules. This technology can be used for both cosmetic and medicinal applications in which the objective is delivery of the active agent within and/or beneath the biological membrane.
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Carlson Karen Cochrane
Children's Hospital Research Foundation
Frost Brown Todd LLC
Snedden Sheridan K
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