A composition for administration of a therapeutically effective dose of a topoisomerase inhibitor I or topoisomerase I/II inhibitor is described. The composition includes liposomes having an outer surface and an inner surface defining an aqueous liposome compartment, and being composed of a vesicle-forming...http://www.google.es/patents/US7244449?utm_source=gb-gplus-sharePatente US7244449 - Liposome-entrapped topoisomerase inhibitors
