Title : Selectivity Profile of the Tyrosine Kinase 2 Inhibitor Deucravacitinib Compared with Janus Kinase 1/2/3 Inhibitors.

Pub. Date : 2021 Oct

PMID : 34471993






3 Functional Relationships(s)
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1 Concentrations providing half-maximal inhibition (IC50) in these assays were determined for deucravacitinib and the JAK 1/2/3 inhibitors tofacitinib, upadacitinib, and baricitinib. upadacitinib Janus kinase 1 Homo sapiens
2 Simulations indicated that tofacitinib, upadacitinib, and baricitinib at steady state exhibited varying degrees of JAK 1/3 (daily average inhibition, 70-94%) and JAK 2/2 (23%-67%) inhibition at therapeutic concentrations, with Cmax values 17- to 33-fold lower than their TYK2 IC50 levels. upadacitinib Janus kinase 1 Homo sapiens
3 Tofacitinib, upadacitinib, and baricitinib variably inhibit JAK 1/2/3 but not TYK2. upadacitinib Janus kinase 1 Homo sapiens