Association between 3-[(3-{[4-(4-morpholinylmethyl)-1H-pyrrol-2-yl]methylene}-2-oxo-2,3-dihydro-1H-indol-5-yl)methyl]-1,3-thiazolidine-2,4-dione of formula (I): or a Z or E isomer thereof and/or an addition salt thereof with a pharmaceutically acceptable acid or base, and a human epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor.本發明係關於式(I)之3-[(3-{[4-(4-嗎啉基甲基)-1H-吡咯-2-基]亞甲基}-2-側氧基-2,3-二氫-1H-吲哚-5-基)甲基]-1,3-噻唑啶-2,4-二酮:或其Z或E異構物及/或其與醫藥上可接受之酸或鹼之加成鹽,與人類表皮生長因子受體(EGFR)酪胺酸激酶抑制劑之結合物。本發明係關於一種藥劑。