The present invention relates to a method of treating chronic myelogenous leukemia in a subject comprising adminis o tering to the subject a compound, such as N-methyl-2-[3-((E)-2-pyridin-2-yl-vinyl)-lH-indazol-6-ylsulfanyl]-benzamide, that inhib - its the T3 15I mutation in BCR-ABL tyrosine kinase, or a pharmaceutically acceptable salt thereof. The present invention also relates o to a pharmaceutical composition comprising a compound such as N-methyl-2-[3-((E)-2-pyridin-2-yl-vinyl)-lH-indazol-6- ylsulfanyl]- benzamide, that inhibits the T3 151 mutation in BCR-ABL tyrosine kinase, or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable carrier or diluent.