Ibrutinib is a potent and highly selective Btk inhibitor with IC50 of 0.5 nM, modestly potent to Bmx, CSK, FGR, BRK, HCK, less potent to EGFR, Yes, ErbB2, JAK3, etc.
生化机理
PCI-32765 is a high potent irreversible BTK inhibitor with an IC50 of 0.46 nM for the purified Btk.