Table 4: Metabolism and metabolite activity of BCR/ABL inhibitors.
Enzymes Metabolites Metabolite activity
Bosutinib CYP3A4 Oxide chlorinated derivative (M2)
Demethylated derivative (M5)
Very reduced
Very reduced
Dasatinib CYP3A4 Oxide derivatives
Derivatives conjugated with glucoronic acid
Inactive
Imatinib CYP3A4, CYP1A2, CYP2D6, CYP2C9, CYP2C19 N-desmetilimatinib Similar to imatinib
Nilotinib CYP3A4, CYP2C8, UGT1A1 Oxide derivatives
Derivatives conjugated with glucoronic acid
Probably inactive
Ponatinib Amidases, esterases CYP3A4, CYP2C8, CYP2D6, CYP3A5 N-demethylated Inferior