The State University of New York

Razvan D Miclea

Robert M Straubinger

Aaron Peng

Karthik Ramani

The present invention provides compositions and methods for reducing the immunogenicity and increasing the circulating half-life of therapeutic proteins such as Factor VIII. The compositions comprise lipidic structures such as liposomes, micelles and cochleates comprising a negatively charged lipid and polyethylene glycol derivatized phosphatidyl ethanolamine.

Compositions and methods for less immunogenic protein-lipid complexes

Provided are lipidic particles comprising phosphatidylcholine, phosphatidylinositol and cholesterol. Also provided are compositions comprising the lipidic particles and having associated therewith therapeutic agents such as peptides, polypeptides or proteins. In these compositions, the therapeutic agents have reduced immunogenicity and/or longer circulating time. These compositions can be used for therapeutic administration of the peptides, polypeptides and/or proteins.

Compositions of less immunogenic and long-circulating protein-lipid complexes

Provided is a method for treatment of blood coagulation disorders. The method comprises administering to an individual compositions comprising lipidic particles comprising phosphatidylcholine, phosphatidylinositol and cholesterol. One or more peptides, polypeptides or proteins involved in the blood coagulation cascade are associated with the lipidic particles.

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Simi Valley, CA, United States of America

Razvan D Miclea