Tyk2 Inhibitor

Ruxolitinib (INCB18424) is an orally active and selective JAK1/2 inhibitor with IC₅₀s of 3.3 nM and 2.8 nM in cell-free assays, and has 130-fold selectivity for JAK1/2 over JAK3. Ruxolitinib induces autophagy and kills tumor cells through toxic mitophagy.

Upadacitinib (ABT-494) is a potent, orally active and selective Janus kinase 1 (JAK1) inhibitor (IC₅₀=43 nM). Upadacitinib (ABT-494) displays approximately 74 fold selective for JAK1 over JAK2 (200 nM) in cellular assays dependent on specific, relevant cytokines. Upadacitinib (ABT-494) can be used for several autoimmune disorders research.

Baricitinib (LY3009104; INCB028050) is a selective and orally bioavailable JAK1 and JAK2 inhibitor with IC₅₀s of 5.9 nM and 5.7 nM, respectively.

Deucravacitinib (BMS-986165) is an orally active allosteric inhibitor of tyrosine kinase 2 (TYK2), with an IC₅₀ of 0.2 nM and a K_i of 0.02 nM against the JH2 domain of TYK2, and it exhibits selectivity over other JAK subtypes and most of the kinome. Deucravacitinib blocks IL-23, IL-12, p-STAT1/3 and Type I IFN signaling, and inhibits Th17/Th1-mediated psoriasis inflammation. Deucravacitinib can be used in research related to moderate-to-severe plaque psoriasis, inflammatory bowel disease and systemic lupus erythematosus.

Ruxolitinib phosphate (INCB018424 phosphate) is a potent JAK1/2 inhibitor with IC₅₀s of 3.3 nM/2.8 nM, respectively, showing more than 130-fold selectivity over JAK3.

Nomelcitinib is a TYK2 inhibitor that modulates the IL23 signaling pathway. Nomelcitinib is used for research on multiple sclerosis, rheumatoid arthritis, inflammatory bowel disease, systemic lupus erythematosus, psoriasis, psoriatic arthritis, Crohn's disease, Sjögren's syndrome, and scleroderma.

Pacritinib (SB1518) is a potent inhibitor of both wild-type JAK2 (IC₅₀=23 nM) and JAK2^V617F mutant (IC₅₀=19 nM). Pacritinib also inhibits FLT3 (IC₅₀=22 nM) and its mutant FLT3^D835Y (IC₅₀=6 nM).

Abrocitinib (PF-04965842) is a potent, orally active and selective JAK1 inhibitor, with IC₅₀s of 29 and 803 nM for JAK1 and JAK2, respectively. Abrocitinib (PF-04965842) exhibits less active effect on TYK2 (IC₅₀, 1.253 μM), and inhibits phosphorylation of STAT1, STAT3 and STAT5 after stimulation. Effective in autoimmune disease.

Filgotinib (GLPG0634) is a selective, orally available JAK1 inhibitor with anti-inflammatory and antiviral activities. Filgotinib can effectively inhibit the activities of JAK1, JAK2, JAK3 and TYK2 with IC₅₀ values of 10 nM, 28 nM, 810 nM and 116 nM, respectively. Filgotinib also inhibits HIV-1 driven gene transcription and reduces proliferation of HIV-1 infected cells. Filgotinib can be used in the study of rheumatoid arthritis and inflammatory bowel disease.

Peficitinib (ASP015K) is an orally active JAK inhibitor, with IC₅₀s of 3.9, 5.0, 0.7 and 4.8 nM for JAK1, JAK2, JAK3 and Tyk2, respectively.

Baricitinib phosphate (LY3009104 phosphate; INCB028050 phosphate) is a selective orally bioavailable JAK1/JAK2 inhibitor with IC₅₀ of 5.9 nM and 5.7 nM, respectively.

Pyridone 6 is a pan-JAK inhibitor, which potently inhibits the JAK kinase family, with IC₅₀s of 1 nM for JAK2 and TYK2, 5 nM for JAK3, and 15 nM for JAK1, while displaying significantly weaker affinities (130 nM to >10 mM) for other protein tyrosine kinases.

Cerdulatinib (PRT062070) is a selective Tyk2 inhibitor with an IC₅₀ of 0.5 nM. Cerdulatinib (PRT062070) also is a dual JAK and SYK inhibitor with IC₅₀s of 12, 6, 8 and 32 for JAK1, 2, 3 and SYK, respectively.

Delgocitinib (JTE-052) is a specific JAK inhibitor with IC₅₀s of 2.8, 2.6, 13 and 58 nM for JAK1, JAK2, JAK3 and Tyk2, respectively.

Gandotinib (LY2784544) is a potent JAK2 inhibitor with IC₅₀ of 3 nM. Gandotinib (LY2784544) also inhibits FLT3, FLT4, FGFR2, TYK2, and TRKB with IC₅₀ of 4, 25, 32, 44, and 95 nM.

Oclacitinib is a novel JAK inhibitor. Oclacitinib is most potent at inhibiting JAK1 (IC₅₀=10 nM).

Decernotinib is a potent, orally active JAK3 inhibitor, with K_is of 2.5, 11, 13 and 11 nM for JAK3, JAK1, JAK2, and TYK2, respectively.

Oclacitinib maleate (PF-03394197 maleate) is a novel JAK inhibitor. Oclacitinib maleate (PF-03394197 maleate) is most potent at inhibiting JAK1 (IC₅₀=10 nM).

BMS-911543 is a selective JAK2 inhibitor, with IC₅₀s of 1.1 nM, less selective at JAK1, JAK3 and TYK2 (IC₅₀, 75, 360, 66 nM, respectively).

Ivarmacitinib (SHR0302) is a potent and orally active all members of the JAK family inhibitor, particularly JAK1. The selectivity of Ivarmacitinib for JAK1 is >10-fold for JAK2, 77-fold for JAK3, 420-fold for Tyk2. Ivarmacitinib inhibits JAK1-STAT3 phosphorylation and induces the apoptosis of hepatic stellate cells. Ivarmacitinib has anti-proliferative and anti-inflammatory effects.