Lapatinib (GW-572016) Ditosylate

Selective EGFR Inhibitor

Erlotinib HCl (OSI-744) : EGFR-selective, IC50=2 nM.

Most Potent EGFR Inhibitor

Afatinib (BIBW2992) : EGFR(wt), IC50=0.5 nM; EGFR(L858R), IC50=0.4 nM; EGFR(L858R/T790M), IC50=10 nM; HER2, IC50=14 nM.

FDA-approved EGFR Inhibitor

Lapatinib : Approved by FDA for breast cancer.

Newest EGFR Inhibitor

CO-1686 (AVL-301) ^New : Irreversible, mutant-selective EGFR inhibitor with K_i of 21.5 nM and 303.3 nM for EGFRL858R/T790M and EGFRWT, respectively.

Erlotinib ^New

Erlotinib is an EGFR inhibitor with IC50 of 2 nM, >1000-fold more sensitive for EGFR than human c-Src or v-Abl. Erlotinib induces autophagy.

Bemcentinib (R428) ^New

R428 (BGB324) is an inhibitor of Axl with IC50 of 14 nM, >100-fold selective for Axl versus Abl. Selectivty for Axl is also greater than Mer and Tyro3 (50-to-100- fold more selective) and InsR, EGFR, HER2, and PDGFRβ (100- fold more selective).

Pexidartinib (PLX3397) ^New

Pexidartinib (PLX3397) is an oral, potent mutil-targeted receptor tyrosine kinase inhibitor of CSF-1R, Kit, and FLT3 with IC50 of 20 nM, 10 nM and 160 nM, respectively. Pexidartinib (PLX3397) induces apoptosis and necrosis with antitumor activity. Phase 3.

AC480 (BMS-599626)

AC480 (BMS-599626) is a selective and efficacious inhibitor of HER1 and HER2 with IC50 of 20 nM and 30 nM, ~8-fold less potent to HER4, >100-fold to VEGFR2, c-Kit, Lck, MET etc. Phase 1.

CP-724714

CP-724714 is a potent, selective inhibitor of HER2/ErbB2 with IC50 of 10 nM, >640-fold selectivity against EGFR, InsR, IRG-1R, PDGFR, VEGFR2, Abl, Src, c-Met etc in cell-free assays. Phase 2.

Neratinib (HKI-272)

Neratinib (HKI-272) is a highly selective HER2 and EGFR inhibitor with IC50 of 59 nM and 92 nM in cell-free assays; weakly inhibits KDR and Src, no significant inhibition to Akt, CDK1/2/4, IKK-2, MK-2, PDK1, c-Raf and c-Met. Phase 3.

Sapitinib (AZD8931)

Sapitinib (AZD8931) is a reversible, ATP competitive inhibitor of EGFR, ErbB2 and ErbB3 with IC50 of 4 nM, 3 nM and 4 nM in cell-free assays, more potent than Gefitinib or Lapatinib against NSCLC cell, 100-fold more selective for the ErbB family than MNK1 and Flt. Phase 2.

Mubritinib (TAK 165)

Mubritinib (TAK-165) is a potent inhibitor of HER2/ErbB2 with IC50 of 6 nM in BT-474 cell; no activity to EGFR, FGFR, PDGFR, JAK1, Src and Blk in BT-474 cell line. Phase 1.

Tyrphostin AG 879

Tyrphostin AG 879 potently inhibits HER2/ErbB2 with IC50 of 1 μM, 100- and 500-fold higher selective to ErbB2 than PDGFR and EGFR.

Gefitinib (ZD1839)

Gefitinib (ZD-1839, Iressa) is an EGFR inhibitor for Tyr1173, Tyr992, Tyr1173 and Tyr992 in the NR6wtEGFR and NR6W cells with IC50 of 37 nM, 37nM, 26 nM and 57 nM, respectively. Gefitinib promotes autophagy and apoptosis of lung cancer cells via blockade of the PI3K/AKT/mTOR pathway.

Features:A potent EGFR tyrosine kinase inhibitor.