Abrocitinib (PF-04965842) (S8765-GRP)

Abrocitinib (PF-04965842) is a potent JAK1 inhibitor with IC50s of 29 nM, 803 nM, > 10 000 nM and 1250 nM for JAK1, JAK2, JAK3 and tyrosine kinase (TYK) 2, respectively.