Disclosed are methods for the treatment of cancer in patients in need of such treatment. The methods comprise administering to such a patient an ubiquitin-activating enzyme (UAE) inhibitor such as ((1R,2R,3S,4R)-2,3-dihydroxy-4-(2-(3-(tri-fluoromethylthio)phenyl)pyrazolo [1,5-a]pyrimidin-7-ylamino)cyclopentyl)methyl sulfamate (Compound 1) or a pharmaceutically acceptable salt in combination with one or more chemotherapeutic agents. Also disclosed are medicaments for use in the treatment of cancer.