The use of liposomes as carriers of lipophilic anthracycline antibiotics

Roman Perez-Soler, Yiyu Zou, Yi He Ling, Waldemar Priebe

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


Tumor drug resistance and lack of tumor selectivity are the two main limitations of current systemic anticancer therapy. Liposomes have been shown to decrease certain doxorubicin (Dox)-related toxicities. By modifying liposome size and composition, the tumor localization of liposome entrapped drugs can be greatly enhanced. Through extensive structure-activity studies aimed at identifying anthracycline antibiotics which combine an enhanced affinity for lipid membranes and an ability to overcome multidrug resistance (MDR), we have identified Annamycin (Ann), which is ideally suited for entrapment in liposomes of different size and composition and has shown remarkable in vivo antitumor activity in different tumor models that display natural or acquired resistance to Dox. The unprecedented liposome formulation flexibility offered by Ann is expected to facilitate current efforts aimed at developing pharmaceutically acceptable liposomal-Ann formulations with optimal tumor targeting properties.

Original languageEnglish (US)
Pages (from-to)555-573
Number of pages19
JournalJournal of Liposome Research
Issue number1
StatePublished - 1994
Externally publishedYes

ASJC Scopus subject areas

  • Pharmaceutical Science


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