Tlc Biopharmaceuticals, Inc.

Taiwan Liposome Company, Ltd.

Taiwan Lipsome Company, Ltd.

ChiaHung Hung

Yun-Long Tseng

Pei Kan

Yung-Hsu Chan

Keelung Hong

KeeIung Hong

Provide is a method of using a topoisomerase I inhibitor in treatment of cancer to reduce bone marrow suppression. The method includes administering to a subject in need thereof an effective amount of a pharmaceutical composition. The composition has at least one hydrophobic topoisomerase I inhibitor or a pharmaceutically acceptable salt thereof, and at least one polyethylene glycol (PEG) conjugated phospholipid, wherein the molar ratio of said PEG conjugated phospholipid to said hydrophobic topoisomerase I inhibitor or said pharmaceutically acceptable salt of said hydrophobic topoisomerase I inhibitor is about 0.45:1 to about 1.05:1.

Pharmaceutical compositions of hydrophobic camptothecin derivatives

The present invention provides a pharmaceutical composition comprising at least one hydrophobic camptothecin derivative or a pharmaceutically acceptable salt of said derivative and a polyethylene glycol (PEG) conjugated phospholipid. Also provided is a method to inhibit cancer cells in a subject in need thereof by administering the pharmaceutical composition of the present invention.

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Taipei, Taiwan

ChiaHung Hung