This invention relates to pharmaceutical formulations of gemcitabine-[phenyl-benzoxy-L-alaninyl)]-phosphate, a monophosphate derivative of the well-known oncology drug gemcitabine. In particular, the invention relates to formulations which comprise a polar aprotic solvent, preferably dimethyl acetamide (DMA). Formulations comprising these solvent provide therapeutically effective treatments of gemcitabine-[phenyl- benzoxy-L-alaninyl)]-phosphate. The invention also relates to methods of using said formulations and kits comprising said formulations.本發明係關於熟知腫瘤學藥物吉西他濱(gemcitabine)之單磷酸酯衍生物吉西他濱-[苯基-苯甲醯氧基-L-丙胺醯基)]-磷酸酯之醫藥調配物。特定言之,本發明係關於包含極性非質子性溶劑、較佳二甲基乙醯胺(DMA)之調配物。包含此等溶劑之調配物提供吉西他濱-[苯基-苯甲醯氧基-L-丙胺醯基)]-磷酸酯之治療有效的療法。本發明亦關於使用該等調配物之方法及包含該等調配物之套組。