VEGFR

シグナル伝達経路

研究分野

  • 阻害剤の選択性比較
  • 溶解度
カタログ番号 製品カタログ 溶解度(25°C)
DMSO アルコール
S1040 Sorafenib Tosylate 0.01 mg/mL 127 mg/mL <1 mg/mL
S1042 Sunitinib Malate <1 mg/mL 15 mg/mL <1 mg/mL
S1119 Cabozantinib (XL184, BMS-907351) <1 mg/mL 100 mg/mL <1 mg/mL
S1490 Ponatinib (AP24534) <1 mg/mL 30 mg/mL <1 mg/mL
S1005 Axitinib <1 mg/mL 35 mg/mL <1 mg/mL
S5667 Fruquintinib (HMPL-013) <1 mg/mL 6 mg/mL <1 mg/mL
S5272 Toceranib phosphate 2 mg/mL 2 mg/mL <1 mg/mL
S5240 lenvatinib Mesylate -1 mg/mL 39 mg/mL -1 mg/mL
S5234 Nintedanib Ethanesulfonate Salt 100 mg/mL 100 mg/mL 5 mg/mL
S5242 Cediranib Maleate <1 mg/mL 100 mg/mL <1 mg/mL
S8726 Anlotinib (AL3818) 96 mg/mL 96 mg/mL <1 mg/mL
S5077 Regorafenib Monohydrate -1 mg/mL 100 mg/mL -1 mg/mL
S8696 2-D08 <1 mg/mL 54 mg/mL <1 mg/mL
S1111 Foretinib (GSK1363089) <1 mg/mL 100 mg/mL <1 mg/mL
S1046 Vandetanib (ZD6474) <1 mg/mL 4 mg/mL <1 mg/mL
S1010 Nintedanib (BIBF 1120) <1 mg/mL 6 mg/mL 3 mg/mL
S1178 Regorafenib (BAY 73-4506) <1 mg/mL 97 mg/mL <1 mg/mL
S1035 Pazopanib HCl (GW786034 HCl) <1 mg/mL 17 mg/mL <1 mg/mL
S1017 Cediranib (AZD2171) <1 mg/mL 90 mg/mL <1 mg/mL
S1264 PD173074 <1 mg/mL 100 mg/mL 100 mg/mL
S1018 Dovitinib (TKI-258, CHIR-258) <1 mg/mL 30 mg/mL <1 mg/mL
S1003 Linifanib (ABT-869) <1 mg/mL 75 mg/mL <1 mg/mL
S1101 Vatalanib (PTK787) 2HCl 10 mg/mL 85 mg/mL 6 mg/mL
S2161 RAF265 (CHIR-265) <1 mg/mL 100 mg/mL 33 mg/mL
S1207 Tivozanib (AV-951) <1 mg/mL 20 mg/mL <1 mg/mL
S1032 Motesanib Diphosphate (AMG-706) 19 mg/mL 100 mg/mL <1 mg/mL
S1164 Lenvatinib (E7080) <1 mg/mL 40 mg/mL <1 mg/mL
S1084 Brivanib (BMS-540215) <1 mg/mL 74 mg/mL 3 mg/mL
S1361 Glesatinib (MGCD265) <1 mg/mL 104 mg/mL <1 mg/mL
S1486 AEE788 (NVP-AEE788) <1 mg/mL 88 mg/mL <1 mg/mL
S1181 ENMD-2076 1 mg/mL 105 mg/mL <1 mg/mL
S1220 OSI-930 <1 mg/mL 89 mg/mL 3 mg/mL
S1171 CYC116 <1 mg/mL 24 mg/mL <1 mg/mL
S1363 Ki8751 <1 mg/mL 47 mg/mL <1 mg/mL
S2231 Telatinib <1 mg/mL 82 mg/mL 1 mg/mL
S2622 PP121 <1 mg/mL 64 mg/mL 2 mg/mL
S3012 Pazopanib <1 mg/mL 87 mg/mL <1 mg/mL
S1557 KRN 633 <1 mg/mL 9 mg/mL <1 mg/mL
S2769 Dovitinib (TKI-258) Dilactic Acid 70 mg/mL 90 mg/mL <1 mg/mL
S2842 SAR131675 <1 mg/mL 30 mg/mL <1 mg/mL
S2201 BMS-794833 <1 mg/mL 94 mg/mL <1 mg/mL
S4001 Cabozantinib malate (XL184) <1 mg/mL 100 mg/mL <1 mg/mL
S1138 Brivanib Alaninate (BMS-582664) <1 mg/mL 88 mg/mL 88 mg/mL
S2859 Golvatinib (E7050) <1 mg/mL 20 mg/mL <1 mg/mL
S2845 Semaxanib (SU5416) <1 mg/mL 22 mg/mL 2 mg/mL
S2897 ZM 306416 <1 mg/mL 67 mg/mL <1 mg/mL
S2896 ZM 323881 HCl <1 mg/mL 10 mg/mL <1 mg/mL
S2018 ENMD-2076 L-(+)-Tartaric acid <1 mg/mL 100 mg/mL <1 mg/mL
S7057 LY2874455 <1 mg/mL 88 mg/mL 57 mg/mL
S8189 BAW2881 (NVP-BAW2881) <1 mg/mL 84 mg/mL 20 mg/mL
S7667 SU5402 <1 mg/mL 59 mg/mL <1 mg/mL
S7765 Dovitinib (TKI258) Lactate 66 mg/mL 100 mg/mL 1 mg/mL
S8188 BFH772 <1 mg/mL 87 mg/mL 87 mg/mL
S7781 Sunitinib <1 mg/mL 25 mg/mL <1 mg/mL
S8573 Sitravatinib (MGCD516) <1 mg/mL 100 mg/mL 100 mg/mL
S7258 SKLB1002 <1 mg/mL 7 mg/mL <1 mg/mL
S7003 AZD2932 <1 mg/mL 89 mg/mL 5 mg/mL
S2366 Taxifolin (Dihydroquercetin) <1 mg/mL 60 mg/mL 60 mg/mL

亜型選択性的な製品

製品コード 製品説明 文献中Selleckの製品使用例 お客様のフィードバック
A2006

Bevacizumab

Bevacizumab is a humanized anti-VEGF monoclonal antibody which binds to and neutralizes all human VEGF-A isoforms and bioactive proteolytic fragments, MW:149 KD.

S1040

Sorafenib Tosylate

Sorafenib Tosylate is a multikinase inhibitor of Raf-1, B-Raf and VEGFR-2 with IC50 of 6 nM, 22 nM and 90 nM in cell-free assays, respectively.

S1042

Sunitinib Malate

Sunitinib Malate is a multi-targeted RTK inhibitor targeting VEGFR2 (Flk-1) and PDGFRβ with IC50 of 80 nM and 2 nM in cell-free assays, and also inhibits c-Kit.

S1119

Cabozantinib (XL184, BMS-907351)

Cabozantinib (XL184, BMS-907351) is a potent VEGFR2 inhibitor with IC50 of 0.035 nM and also inhibits c-Met, Ret, Kit, Flt-1/3/4, Tie2, and AXL with IC50 of 1.3 nM, 4 nM, 4.6 nM, 12 nM/11.3 nM/6 nM, 14.3 nM and 7 nM in cell-free assays, respectively.

S1490

Ponatinib (AP24534)

Ponatinib (AP24534) is a novel, potent multi-target inhibitor of Abl, PDGFRα, VEGFR2, FGFR1 and Src with IC50 of 0.37 nM, 1.1 nM, 1.5 nM, 2.2 nM and 5.4 nM in cell-free assays, respectively.

S1005

Axitinib

Axitinib is a multi-target inhibitor of VEGFR1, VEGFR2, VEGFR3, PDGFRβ and c-Kit with IC50 of 0.1 nM, 0.2 nM, 0.1-0.3 nM, 1.6 nM and 1.7 nM in Porcine aorta endothelial cells, respectively.

S5667

Fruquintinib (HMPL-013)

Fruquintinib is a small molecule inhibitor with strong potency and high selectivity against VEGFR family. It inhibits VEGFR 1, 2, 3, with IC50 values of 33 nM, 35 nM and 0.5 nM, respectively and shows only weak inhibition of RET, FGFR-1 and c-kit kinases.

S5272

Toceranib phosphate

Toceranib phosphate, the phosphate salt of toceranib, is a selective inhibitor of the tyrosine kinase activity of several members of the split kinase RTK family, including Flk-1/KDR, PDGFR, and Kit with Ki values of 6 nM and 5 nM for Flk-1/KDR and PDGFRβ, respectively.

S5240

lenvatinib Mesylate

Lenvatinib Mesylate is a synthetic, orally available inhibitor of VEGFR2 tyrosine kinase with potential antineoplastic activity.

S5234

Nintedanib Ethanesulfonate Salt

Nintedanib is a small molecule tyrosine-kinase inhibitor with IC50 of 34 nM/13 nM/13 nM, 69 nM/37 nM/108 nM and 59 nM/65 nM for VEGFR1/2/3, FGFR1/2/3 and PDGFRα/β, respectively.

S5242

Cediranib Maleate

Cediranib Maleate is the maleate salt of Cediranib, which is a potent inhibitor of VEGFR with IC50 of <1 nM and also inhibits Flt1/4 with IC50 of 5 nM/≤3 nM.

S8726

Anlotinib (AL3818)

Anlotinib (AL3818) is a highly potent and selective VEGFR2 inhibitor with IC50 less than 1 nM. It has broad-spectrum antitumor potential in clinical trials.

S5077

Regorafenib Monohydrate

Regorafenib is a novel oral multikinase inhibitor with IC50 values of 13, 4.2, 46, 22, 7, 1.5, 2.5, 28, 19 nM for VEGFR1, murine VEGFR2, murine VEGFR3, PDGFR-β, KIT, RET, RAF-1, B-RAF and B-RAF(V600E) respectively.

S8696

2-D08

2-D08 is a cell permeable, mechanistically unique inhibitor of protein sumoylation. It is also inhibits Axl, IRAK4, ROS1, MLK4, GSK3β, RET, KDR and PI3Kα with IC50 values of 0.49, 3.9, 5.3, 9.8, 11, 11, 17 and 35 nM respectively in biochemical assays.

S1111

Foretinib (GSK1363089)

Foretinib (GSK1363089) is an ATP-competitive inhibitor of HGFR and VEGFR, mostly for Met and KDR with IC50 of 0.4 nM and 0.9 nM in cell-free assays. Less potent against Ron, Flt-1/3/4, Kit, PDGFRα/β and Tie-2, and little activity to FGFR1 and EGFR. Phase 2.

S1046

Vandetanib (ZD6474)

Vandetanib (ZD6474) is a potent inhibitor of VEGFR2 with IC50 of 40 nM in a cell-free assay. It also inhibits VEGFR3 and EGFR with IC50 of 110 nM and 500 nM, respectively. Not sensitive to PDGFRβ, Flt1, Tie-2 and FGFR1 with IC50 of 1.1-3.6 μM. No activity against MEK, CDK2, c-Kit, erbB2, FAK, PDK1, Akt and IGF-1R with IC50 above 10 μM.

S1010

Nintedanib (BIBF 1120)

Nintedanib (BIBF 1120) is a potent triple angiokinase inhibitor for VEGFR1/2/3, FGFR1/2/3 and PDGFRα/β with IC50 of 34 nM/13 nM/13 nM, 69 nM/37 nM/108 nM and 59 nM/65 nM in cell-free assays. Phase 3.

S1178

Regorafenib (BAY 73-4506)

Regorafenib (BAY 73-4506) is a multi-target inhibitor for VEGFR1, VEGFR2, VEGFR3, PDGFRβ, Kit, RET and Raf-1 with IC50 of 13 nM/4.2 nM/46 nM, 22 nM, 7 nM, 1.5 nM and 2.5 nM in cell-free assays, respectively.

S1035

Pazopanib HCl (GW786034 HCl)

Pazopanib HCl (GW786034 HCl) is a novel multi-target inhibitor of VEGFR1, VEGFR2, VEGFR3, PDGFR, FGFR, c-Kit and c-Fms with IC50 of 10 nM, 30 nM, 47 nM, 84 nM, 74 nM, 140 nM and 146 nM in cell-free assays, respectively.

S1017

Cediranib (AZD2171)

Cediranib (AZD2171) is a highly potent VEGFR(KDR) inhibitor with IC50 of <1 nM, also inhibits Flt1/4 with IC50 of 5 nM/≤3 nM, similar activity against c-Kit and PDGFRβ, 36-, 110-fold and >1000-fold selective more for VEGFR than PDGFR-α, CSF-1R and Flt3 in HUVEC cells. Phase 3.

S1264

PD173074

PD173074 is a potent FGFR1 inhibitor with IC50 of ~25 nM and also inhibits VEGFR2 with IC50 of 100-200 nM in cell-free assays, ~1000-fold selective for FGFR1 than PDGFR and c-Src.

S1018

Dovitinib (TKI-258, CHIR-258)

Dovitinib (TKI258, CHIR258) is a multitargeted RTK inhibitor, mostly for class III (FLT3/c-Kit) with IC50 of 1 nM/2 nM, also potent to class IV (FGFR1/3) and class V (VEGFR1-4) RTKs with IC50 of 8-13 nM, less potent to InsR, EGFR, c-Met, EphA2, Tie2, IGF-1R and HER2 in cell-free assays. Phase 4.

S1003

Linifanib (ABT-869)

Linifanib (ABT-869) is a novel, potent ATP-competitive VEGFR/PDGFR inhibitor for KDR, CSF-1R, Flt-1/3 and PDGFRβ with IC50 of 4 nM, 3 nM, 3 nM/4 nM and 66 nM respectively, mostly effective in mutant kinase-dependent cancer cells (i.e. FLT3). Phase 3.

S1101

Vatalanib (PTK787) 2HCl

Vatalanib (PTK787) 2HCl is an inhibitor of VEGFR2/KDR with IC50 of 37 nM in a cell-free assay, less potent against VEGFR1/Flt-1, 18-fold against VEGFR3/Flt-4. Phase 3.

S2161

RAF265 (CHIR-265)

RAF265 (CHIR-265) is a potent selective inhibitor of C-Raf/B-Raf/B-Raf V600E with IC50 of 3-60 nM, and exhibits potent inhibition on VEGFR2 phosphorylation with EC50 of 30 nM in cell-free assays. Phase 2.

S1207

Tivozanib (AV-951)

Tivozanib (AV-951) is a potent and selective VEGFR inhibitor for VEGFR1/2/3 with IC50 of 30 nM/6.5 nM/15 nM, and also inhibits PDGFR and c-Kit, low activity observed against FGFR-1, Flt3, c-Met, EGFR and IGF-1R. Phase 3.

S1032

Motesanib Diphosphate (AMG-706)

Motesanib Diphosphate (AMG-706) is a potent ATP-competitive inhibitor of VEGFR1/2/3 with IC50 of 2 nM/3 nM/6 nM, respectively; similar activity against Kit, ~10-fold more selective for VEGFR than PDGFR and Ret. Phase 3.

S1164

Lenvatinib (E7080)

Lenvatinib (E7080) is a multi-target inhibitor, mostly for VEGFR2(KDR)/VEGFR3(Flt-4) with IC50 of 4 nM/5.2 nM, less potent against VEGFR1/Flt-1, ~10-fold more selective for VEGFR2/3 against FGFR1, PDGFRα/β in cell-free assays. Phase 3.

S1084

Brivanib (BMS-540215)

Brivanib is an ATP-competitive inhibitor against VEGFR2 with IC50 of 25 nM, moderate potency against VEGFR-1 and FGFR-1, but >240-fold against PDGFR-β. Phase 3.

S1361

Glesatinib (MGCD265)

Glesatinib (MGCD265) is a potent, multi-target and ATP-competitive inhibitor of c-Met and VEGFR1/2/3 with IC50 of 1 nM, 3 nM/3 nM/4 nM, respectively; also inhibits Ron and Tie2. Phase 1/2.

S1486

AEE788 (NVP-AEE788)

AEE788 (NVP-AEE788) is a potent inhibitor of EGFR and HER2/ErbB2 with IC50 of 2 nM and 6 nM, less potent to VEGFR2/KDR, c-Abl, c-Src, and Flt-1, does not inhibit Ins-R, IGF-1R, PKCα and CDK1. Phase 1/2.

S1181

ENMD-2076

ENMD-2076 has selective activity against Aurora A and Flt3 with IC50 of 14 nM and 1.86 nM, 25-fold selective for Aurora A than over Aurora B and less potent to VEGFR2/KDR and VEGFR3, FGFR1 and FGFR2 and PDGFRα. Phase 2.

S1220

OSI-930

OSI-930 is a potent inhibitor of Kit, KDR and CSF-1R with IC50 of 80 nM, 9 nM and 15 nM, respectively; also potent to Flt-1, c-Raf and Lck and low activity against PDGFRα/β, Flt-3 and Abl. Phase 1.

S1171

CYC116

CYC116 is a potent inhibitor of Aurora A/B with Ki of 8.0 nM/9.2 nM, is less potent to VEGFR2 (Ki of 44 nM), with 50-fold greater potency than CDKs, not active against PKA, Akt/PKB, PKC, no effect on GSK-3α/β, CK2, Plk1 and SAPK2A. Phase 1.

S1363

Ki8751

Ki8751 is a potent and selective inhibitor of VEGFR2 with IC50 of 0.9 nM, >40-fold selective for VEGFR2 than c-Kit, PDGFRα and FGFR-2, little activity to EGFR, HGFR and InsR.

S2231

Telatinib

Telatinib is a potent inhibitor of VEGFR2/3, c-Kit and PDGFRα with IC50 of 6 nM/4 nM, 1 nM and 15 nM, respectively. Phase 2.

S2622

PP121

PP-121 is a multi-targeted inhibitor of PDGFR, Hck, mTOR, VEGFR2, Src and Abl with IC50 of 2 nM, 8 nM, 10 nM, 12 nM, 14 nM and 18 nM, also inhibits DNA-PK with IC50 of 60 nM.

S3012

Pazopanib

Pazopanib is a novel multi-target inhibitor of VEGFR1, VEGFR2, VEGFR3, PDGFR, FGFR, c-Kit and c-Fms with IC50 of 10 nM, 30 nM, 47 nM, 84 nM, 74 nM, 140 nM and 146 nM in cell-free assays, respectively.

S1557

KRN 633

KRN 633 is an ATP-competitive inhibitor of VEGFR1/2/3 with IC50 of 170 nM/160 nM/125 nM, weakly inhibits PDGFR-α/β and c-Kit, does not block the phosphorylation of FGFR-1, EGFR or c-Met in cell.

S2769

Dovitinib (TKI-258) Dilactic Acid

Dovitinib Dilactic acid (TKI258 Dilactic acid) is the Dilactic acid of Dovitinib, which is a multitargeted RTK inhibitor, mostly for class III (FLT3/c-Kit) with IC50 of 1 nM/2 nM, also potent to class IV (FGFR1/3) and class V (VEGFR1-4) RTKs with IC50 of 8-13 nM, less potent to InsR, EGFR, c-Met, EphA2, Tie2, IGFR1 and HER2. Phase 4.

S2842

SAR131675

SAR131675 is a VEGFR3 inhibitor with IC50/Ki of 23 nM/12 nM in cell-free assays, about 50- and 10-fold more selective for VEGFR3 than VEGFR1/2, little activity against Akt1, CDKs, PLK1, EGFR, IGF-1R, c-Met, Flt2 etc.

S2201

BMS-794833

BMS-794833 is a potent ATP competitive inhibitor of Met/VEGFR2 with IC50 of 1.7 nM/15 nM, also inhibits Ron, Axl and Flt3 with IC50 of <3 nM; a prodrug of BMS-817378. Phase 1.

S4001

Cabozantinib malate (XL184)

Cabozantinib malate (XL184) is the malate of Cabozantinib, a potent VEGFR2 inhibitor with IC50 of 0.035 nM and also inhibits c-Met, Ret, Kit, Flt-1/3/4, Tie2, and AXL with IC50 of 1.3 nM, 4 nM, 4.6 nM, 12 nM/11.3 nM/6 nM, 14.3 nM and 7 nM in cell-free assays, respectively.

S1138

Brivanib Alaninate (BMS-582664)

Brivanib alaninate (BMS-582664) is the prodrug of BMS-540215, an ATP-competitive inhibitor against VEGFR2 with IC50 of 25 nM.

S2859

Golvatinib (E7050)

Golvatinib (E7050) is a dual c-Met and VEGFR-2 inhibitor with IC50 of 14 nM and 16 nM, does not inhibit bFGF-stimulated HUVEC growth (up to 1000 nM). Phase 1/2.

S2845

Semaxanib (SU5416)

Semaxanib (SU5416) is a potent and selective VEGFR(Flk-1/KDR) inhibitor with IC50 of 1.23 μM, 20-fold more selective for VEGFR than PDGFRβ, lack of activity against EGFR, InsR and FGFR. Phase 3.

S2897

ZM 306416

ZM 306416 is a VEGFR (Flt and KDR) inhibitor for VEGFR1 with IC50 of 0.33 μM, but also found to inhibit EGFR with IC50 of <10 nM.

S2896

ZM 323881 HCl

ZM 323881 is a potent and selective VEGFR2 inhibitor with IC50 of <2 nM, almost no activity on VEGFR1, PDGFRβ, FGFR1, EGFR and ErbB2.

S2018

ENMD-2076 L-(+)-Tartaric acid

ENMD-2076 L-(+)-Tartaric acid is the tartaric acid of ENMD-2076, selective activity against Aurora A and Flt3 with IC50 of 14 nM and 1.86 nM, 25-fold more selective for Aurora A than Aurora B and less potent to VEGFR2/KDR and VEGFR3, FGFR1 and FGFR2 and PDGFRα. Phase 2.

S7057

LY2874455

LY2874455 is a pan-FGFR inhibitor with IC50 of 2.8 nM, 2.6 nM, 6.4 nM, and 6 nM for FGFR1, FGFR2, FGFR3, and FGFR4, respectively, and also inhibits VEGFR2 activity with IC50 of 7 nM. Phase 1.

S8189

BAW2881 (NVP-BAW2881)

BAW2881 (NVP-BAW2881) is a novel vascular endothelial growth factor (VEGF) receptor tyrosine-kinase inhibitor that potently inhibits VEGFR1-3 at 1.0-4.3 nanomolar (nM) concentrations and inhibits PDGFRβ, c-Kit, and RET at 45-72 nM concentrations.

S7667

SU5402

SU5402 is a potent multi-targeted receptor tyrosine kinase inhibitor with IC50 of 20 nM, 30 nM, and 510 nM for VEGFR2, FGFR1, and PDGF-Rβ, respectively.

S7765

Dovitinib (TKI258) Lactate

Dovitinib (TKI258) Lactate is the Lactate of Dovitinib, which is a multitargeted RTK inhibitor, mostly for class III (FLT3/c-Kit) with IC50 of 1 nM/2 nM, also potent to class IV (FGFR1/3) and class V (VEGFR1-4) RTKs with IC50 of 8-13 nM, less potent to InsR, EGFR, c-Met, EphA2, Tie2, IGFR1 and HER2. Phase 4.

S8188

BFH772

BFH772 is a novel potent oral VEGFR2 inhibitor, targeting VEGFR2 kinase with IC50 of 3 nM.

S7781

Sunitinib

Sunitinib is a multi-targeted RTK inhibitor targeting VEGFR2 (Flk-1) and PDGFRβ with IC50 of 80 nM and 2 nM, and also inhibits c-Kit.

S8573

Sitravatinib (MGCD516)

Sitravatinib (MGCD516) is a novel small molecule inhibitor targeting multiple RTKs involved in driving sarcoma cell growth, including c-Kit, PDGFRβ, PDGFRα, c-Met, and Axl.

S7258

SKLB1002

SKLB1002 is a potent and ATP-competitive VEGFR2 inhibitor with IC50 of 32 nM.

S4686

Vitamin E

Vitamin E is a fat-soluble vitamin with potent antioxidant properties. It is a potent peroxyl radical scavenger and inhibits noncompetitively cyclooxygenase activity in many tissues, also inhibits angiogenesis and tumor dormancy through suppressing vascular endothelial growth factor (VEGF) gene transcription.

S7003

AZD2932

AZD2932 is a potent and mutil-targeted protein tyrosine kinase inhibitor with IC50 of 8 nM, 4 nM, 7 nM, and 9 nM for VEGFR-2, PDGFRβ, Flt-3, and c-Kit, respectively.

S2366

Taxifolin (Dihydroquercetin)

Taxifolin, type I inhibitor for VEGFR-2 kinase, is a flavonoid in many plants such as Taxus chinensis, Siberian larch, Cedrus deodara and so on.

Tags: VEGFR inhibition | VEGFR cancer | VEGFR2 cancer | VEGFR pathway | VEGFR phosphorylation | VEGFR2 phosphorylation | VEGFR signaling pathway | VEGFR assay | VEGFR inhibitor drug | VEGFR inhibitor review