VEGFR1/Flt-1 Inhibitor

Lenvatinib (E7080) is an oral, multi-targeted tyrosine kinase inhibitor that inhibits VEGFR1-3, FGFR1-4, PDGFR, KIT, and RET, shows potent antitumor activities.

Nintedanib (BIBF 1120) is a potent triple angiokinase inhibitor for VEGFR1/2/3, FGFR1/2/3 and PDGFRα/β with IC₅₀s of 34 nM/13 nM/13 nM, 69 nM/37 nM/108 nM and 59 nM/65 nM, respectively.

Regorafenib (BAY 73-4506) is an orally active and potent multi-targeted receptor tyrosine kinase inhibitor, with IC₅₀ values of 13/4.2/46, 22, 7, 1.5 and 2.5 nM for VEGFR1/2/3, PDGFRβ, Kit, RET and Raf-1, respectively. Regorafenib shows very robust antitumor and antiangiogenic activity.

Cabozantinib is a potent and orally active inhibitor of VEGFR2 and MET, with IC₅₀ values of 0.035, and 1.3 nM, respectively. Cabozantinib displays strong inhibition of KIT, RET, AXL, TIE2, and FLT3 (IC₅₀=4.6, 5.2, 7, 14.3, and 11.3 nM, respectively). Cabozantinib shows antiangiogenic activity. Cabozantinib disrupts tumor vasculature and promotes tumor and endothelial cell apoptosis.

Axitinib is a multi-targeted tyrosine kinase inhibitor with IC₅₀s of 0.1, 0.2, 0.1-0.3, 1.6 nM for VEGFR1, VEGFR2, VEGFR3 and PDGFRβ, respectively.

SU10944 is a selective, orally active VEGFR inhibitor, with an IC₅₀ of 6 nM against VEGFR-1, an IC₅₀ of 96 nM and a K_i of 21 nM against VEGFR-2. SU10944 only exhibits weak inhibitory activity against PDGFRβ (IC₅₀ = 1 μM), SCFR (IC₅₀ = 1.58 μM) and FGFR-1 (IC₅₀ = 1.6 μM). SU10944 selectively inhibits VEGFR receptor downstream signaling, neovascularization, vascular permeability, VEGF-mediated tissue factor production, and induces tumor growth delay. SU10944 can be used in research related to diabetic retinopathy, exudative age-related macular degeneration or cancer.

SU11657 (N,N-Dimethyl sunitinib) is an orally active multi-targeted tyrosine kinase inhibitor with IC₅₀ values of 0.04 μM (c-Kit), 0.005 μM (PDGFR), 0.013 μM (VEGFR1), 0.017 μM (VEGFR2) and 50 nM (FLT3), respectively. SU11657 exhibits anti-angiogenic activity. SU11657 delays leukemia progression, synergizes with ATRA (HY-14649) to reduce leukemia burden, and inhibits symptoms and tissue damage associated with rheumatoid arthritis. SU11657 can be used in research related to FLT3-mutated acute promyelocytic leukemia, rheumatoid arthritis, neuroblastoma, and benign/atypical meningioma.

Pazopanib (GW786034) is a novel multi-target inhibitor of VEGFR1, VEGFR2, VEGFR3, PDGFRβ, c-Kit, FGFR1, and c-Fms with IC₅₀s of 10, 30, 47, 84, 74, 140 and 146 nM, respectively.

Nintedanib esylate (BIBF 1120 esylate) is a potent triple angiokinase inhibitor for VEGFR1/2/3, FGFR1/2/3 and PDGFRα/β with IC₅₀s of 34 nM/13 nM/13 nM, 69 nM/37 nM/108 nM and 59 nM/65 nM, respectively.

Lenvatinib mesylate (E7080 mesylate), an oral, multi-targeted tyrosine kinase inhibitor that inhibits VEGFR1-3, FGFR1-4, PDGFR, KIT, and RET, shows potent antitumor activities.

Tivozanib (AV-951; KRN951) is a selective, orally active inhibitor for vascular endothelial growth factor receptor (VEGFR)-1, 2 3, with IC₅₀s of 30, 6.5 and 15 nM, respectively. Tivozanib exhibits antitumor efficacy.

Linifanib (ABT-869) is a potent and orally active multi-target inhibitor of VEGFR and PDGFR family with IC₅₀s of 4, 3, 66, and 4 nM for KDR, FLT1, PDGFRβ, and FLT3, respectively. Linifanib shows prominent antitumor activity. Linifanib has much less activity against unrelated RTKs, soluble tyrosine kinases, or serine/threonine kinases. Linifanib is a specific miR-10b inhibitor that blocks miR-10b biogenesis.

Foretinib is a multi-target tyrosine kinase inhibitor with IC₅₀s of 0.4 nM and 0.9 nM for Met and KDR.

Dovitinib (CHIR-258) is an orally active, potent multi-targeted tyrosine kinase (RTK) inhibitor with IC₅₀s of 1, 2, 36, 8/9, 10/13/8, 27/210 nM for FLT3, c-Kit, CSF-1R, FGFR1/FGFR3, VEGFR1/VEGFR2/VEGFR3 and PDGFRα/PDGFRβ, respectively. Dovitinib has potent antitumor activity.

Cediranib (AZD2171) is a highly potent, orally available and blood-brain barrier permeability VEGFR tyrosine kinase inhibitor with IC₅₀s of <1, <3, 5, 5, 36, 2 nM for Flt1, KDR, Flt4, PDGFRα, PDGFRβ, c-Kit, respectively.

Sitravatinib (MGCD516) is an orally bioavailable receptor tyrosine kinase (RTK) inhibitor with IC₅₀s of 1.5 nM, 2 nM, 2 nM, 5 nM, 6 nM, 6 nM, 8 nM, 0.5 nM, 29 nM, 5 nM, and 9 nM for Axl, MER, VEGFR3, VEGFR2, VEGFR1, KIT, FLT3, DDR2, DDR1, TRKA, TRKB, respectively. Sitravatinib shows potent single-agent antitumor efficacy and enhances the activity of PD-1 blockade through promoting an antitumor immune microenvironment.

Regorafenib (BAY 73-4506) monohydrate is an orally active and potent multi-targeted receptor tyrosine kinase inhibitor, with IC₅₀ values of 13/4.2/46, 22, 7, 1.5 and 2.5 nM for VEGFR1/2/3, PDGFRβ, Kit, RET and Raf-1, respectively. Regorafenib monohydrate shows very robust antitumor and antiangiogenic activity.

S7 is an inhibitory polypeptide targeting IL-6R, which specifically binds to IL-6R and its A chain (gp80/IL-6RA) to block its signal transduction. S7 inhibits IL-6-mediated anti-apoptosis (apoptosis), angiogenesis and the expression of VEGF-A, blocks related survival signaling pathways, and enhances the sensitivity of cancer cells to chemotherapeutic drugs. S7 can be applied to the research of related diseases such as cervical cancer, multiple myeloma, Kaposi's sarcoma, prostate cancer and basal cell carcinoma.

Pazopanib Hydrochloride (GW786034 Hydrochloride) is a novel multi-target inhibitor of VEGFR1, VEGFR2, VEGFR3, PDGFRβ, c-Kit, FGFR1, and c-Fms with an IC₅₀ of 10, 30, 47, 84, 74, 140 and 146 nM, respectively.

Orantinib (SU6668; TSU-68) is a multi-targeted receptor tyrosine kinase inhibitor with K_is of 2.1 μM, 8 nM and 1.2 μM for Flt-1, PDGFRβ and FGFR1, respectively.