TORONTO, ONTARIO--(Marketwire - August 05, 2008) - Lorus Therapeutics Inc. (TSX: LOR)(AMEX: LRP) (“Lorus”), a biopharmaceutical company specializing in the research and development of pharmaceutical products and technologies for the management of cancer, today announced the successful completion of GLP toxicology studies to explore a novel route of administration for its clinical-stage anticancer drug, LOR-2040.