A 10′-fluoro-vinca alkaloid compound or its pharmaceutically acceptable salt is disclosed, as are methods of its preparation and use. A disclosed 10′-fluoro-vinca alkaloid compound has better cytotoxic potency against leukemia and cancer cell lines, and is about 8-times more cytotoxic to a multiple drug resistant cancer cell line than is a parental 10′-unsubstituted vinca alkaloid.
