The present disclosure provides treatment modalities, eg, strategies, treatment methods, patient stratification methods, combinations, and compositions useful for treating disorders, eg, proliferative disorders such as certain cancers. Some aspects of the disclosure relate to treatment modalities, methods, strategies, and compositions for the treatment of cell proliferative disorders, eg, cancer, that depend on EZH2 (enhancer of zeste2 polycomb repression complex 2) function by EZH2 inhibitors. , Combinations, and dosage forms.本開示は、障害、例えば特定の癌などの増殖性障害の処置に有用な処置様式、例えば戦略、処置方法、患者層別化方法、組み合わせ、及び組成物を提供する。本開示のいくつかの態様は、EZH2阻害剤による、EZH2(zeste2ポリコーム抑制複合体2のエンハンサー)機能に依存する細胞増殖性障害、例えば癌の処置のための処置様式、方法、戦略、組成物、組み合わせ、及び剤形を提供する。