This invention relates to a combination of gemcitabine-[phenyl-benzoxy-L-alaninyl)]-phosphate (chemical name: 2′;-Deoxy-2′;,2′;-difluoro-D-cytidine-5′;-O-[phenyl (benzoxy-L-alaninyl)] phosphate)(NUC-1031) and a platinum-based anticancer agent selected from carboplatin, oxaliplatin, satraplatin and nedaplatin. The combinations are useful in the treatment of cancer and particularly ovarian cancer.