Tirabrutinib

Description: Tirabrutinib (GS-4059) (ONO-4059) is an orally active Bruton's Tyrosine Kinase (Btk) inhibitor (can cross the blood-brain barrier (BBB)), with an IC50 of 6.8 nM. Tirabrutinib irreversibly and covalently binds to Btk and inhibits aberrant B cell receptor signaling. Tirabrutinib can be used in studies of autoimmune diseases and hematological malignancies. Target: BTK, Apoptosis. Smiles: CC#CC(=O)N1CC[C@H](C1)n1c2ncnc(N)c2n(-c2ccc(Oc3ccccc3)cc2)c1=O. References: Liclican A, et al. Biochemical characterization of tirabrutinib and other irreversible inhibitors of Bruton's tyrosine kinase reveals differences in on - and off - target inhibition. Biochim Biophys Acta Gen Subj. 2020 Apr,1864(4):129531.