Combinations of the 3-(5-fluoro-1H-indol-3-yl)pyrrolididine-2,5-dione compound with an anti-PD1 antibody or anti-PD-L1 antibody as selected anti-cancer or anti-viral agents are provided. Also provided are use of these combinations for the treatment and/or prevention of cancer and endometriosis.本發明提供3-(5-氟-1H-吲哚-3-基)吡咯二啶-2,5-二酮化合物與抗-PD1抗體或抗-PD-L1抗體之組合,其係作為經選擇之抗癌或抗病毒劑。本發明亦提供此等組合用於治療及/或預防癌症及子宮內膜異位之用途。