ErbB4/HER4 Inhibitor

Dacomitinib (PF-00299804) is a specific and irreversible inhibitor of the ERBB family of kinases with IC₅₀s of 6 nM, 45.7 nM and 73.7 nM for EGFR, ERBB2, and ERBB4, respectively.

AZ-5104 is an active, demethylated metabolite of AZD 9291. AZ-5104 is an EGFR inhibitor with IC₅₀s of 1, 6, 1, 25 and 7 nM for EGFR^L858R/T790M, EGFR^L858R, EGFR^L861Q, EGFR and ErbB4, respectively.

BMS-690514 is a potent and orally active inhibitor of EGFR and VEGFR; has IC₅₀s of 5, 20 and 60 nM for EGFR, HER 2 and HER 4, respectively.

PD158780 is a potent EGFR family inhibitor with IC₅₀s of 8 pM, 49, 52, 52 nM for EGFR, ErbB2, ErbB3, and ErbB4, respectively.

AZ-5104 (GMP-like) is the GMP-like grade of AZ-5104 (HY-B0793). AZ-5104 is an active, demethylated metabolite of AZD 9291. AZ-5104 is an EGFR inhibitor with IC₅₀s of 1, 6, 1, 25 and 7 nM for EGFR^L858R/T790M, EGFR^L858R, EGFR^L861Q, EGFR and ErbB4, respectively.

Varlitinib (ASLAN001) is a potent, reversible, small molecule pan-EGFR inhibitor with IC₅₀s of 7, 2, 4 nM for HER1, HER2 and HER4, respectively.

Allitinib (AST-1306) is an orally active and irreversible EGFR and ErbB2 inhibitor with IC₅₀s of 0.5 and 3 nM, respectively. Allitinib also inhibits ErbB4 with an IC₅₀ of 0.8 nM. Allitinib is an anilino-quinazoline compound and has anti-cancer activity.

EGFR-IN-12 is a 4,6-disubstituted pyrimidine and is a potent, ATP-competitive, irreversible and highly selective EGFR inhibitor with an IC₅₀of 21 nM. EGFR-IN-12 also inhibits mutant EGFR^L858R and EGFR^L861Q with IC₅₀s of 63 nM and 4 nM, respectively. EGFR-IN-12 displays strong selectivity for EGFR over HER4 (IC₅₀ = 7640 nM) and a panel of 55 other kinases. EGFR-IN-12 induces cells apoptosis and has antitumor activity.

Allitinib tosylate (AST-1306 (TsOH)) is an orally active and irreversible EGFR and ErbB2 inhibitor with IC₅₀s of 0.5 and 3 nM, respectively. Allitinib tosylate also inhibits ErbB4 with an IC₅₀ of 0.8 nM. Allitinib tosylate is an anilino-quinazoline compound and has anti-cancer activity

BI-1622 is an orally active, potent and highly selective HER2 (ERBB2) inhibitor, with an IC₅₀ of 7 nM. BI-1622 shows greater than 25-fold selectivity over EGFR. BI-1622 shows high antitumor efficacy in vivo in xenograft mouse tumor models with engineered H2170 and PC9 cells and had a favorable agent metabolism and pharmacokinetics profile.

Larotinib is a potent broad-spectrum and orally active tyrosine kinase inhibitor (TKI) with EGFR as the main target with an IC₅₀ of 0.6 nM.

EGFR/ErbB-2/ErbB-4 inhibitor-3 (compound 29) is a potent tyrosine kinase inhibitor with IC₅₀s of 0.3, 1.1, 0.5, 2.5, 24 nM for erbB1, erbB2, erbB4, EGF, HER, respectively. EGFR/ErbB-2/ErbB-4 inhibitor-3 is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

Epertinib (S-22611) hydrochloride is a potent, orally active, reversible, and selective tyrosine kinase inhibitor of EGFR, HER4 and HER2, with IC₅₀s of 1.48 nM, 2.49 nM and 7.15 nM, respectively. Epertinib hydrochloride shows potent antitumor activity. Epertinib (hydrochloride) is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

EGFR/ErbB-2-IN-2 is a EGFR and ErbB inhibitor with IC₅₀s of 0.017 μM, 0.08 μM, 1.91 μM for EGFR, ErbB-2 and ErbB-4.

Larotinib mesylate hydrate is a potent broad-spectrum and orally active tyrosine kinase inhibitor (TKI) with EGFR as the main target with an IC₅₀ of 0.6 nM.

STA-013 is a EphB tyrosine kinase inhibitor. STA-013 shows promising potency against EphB1 (IC₅₀ = 0.69 µM), EphB2 (IC₅₀ = 1.73 µM), and EphB4 (IC₅₀ = 1.02 µM) tyrosine kinases. STA-013 results a inhibition of the EphB phosphorylated signal, coupled with increased p-AKT/AKT signaling, to suggest insulin signaling activation. STA-013 inhibits EphB tyrosine kinase by enhancing insulin receptor beta (IRβ) signaling, and decreasing TGF-β levels in the heart. STA-013 can be used for the study of type 2 diabetes and cardiac complications (diabetic cardiomyopathy).

JNJ28871063 hydrochloride is an orally active, highly selective and ATP competitive pan-ErbB kinase inhibitor with IC₅₀ values of 22 nM, 38 nM, and 21 nM for ErbB1, ErbB2, and ErbB4, respectively. JNJ28871063 hydrochloride inhibits phosphorylation of functionally important tyrosine residues in both EGFR and ErbB2. JNJ28871063 hydrochloride crosses the blood-brain barrier and has antitumor activity in human tumor xenograft models that overexpress EGFR and ErbB2.

CHMFL-EGFR-202 is a potent, irreversible inhibitor of epidermal growth factor receptor (EGFR) mutant kinase, with IC₅₀s of 5.3 nM and 8.3 nM for drug-resistant mutant EGFR T790M and WT EGFR kinases, respectively. CHMFL-EGFR-202 exhibits ～10-fold selectivity for EGFR L858R/T790M against the EGFR wild-type in cells. CHMFL-EGFR-202 adopts a covalent “DFG-in-C-helix-out” inactive binding conformation with EGFR, with strong antiproliferative effects against EGFR mutant-driven nonsmall-cell lung cancer (NSCLC) cell lines.

TAS0728 is a potent, selective, orally active, irreversible and covalent-binding HER2 inhibitor, with an IC₅₀ of 13 nM. TAS0728 also shows IC₅₀s of 4.9, 8.5, 31, 65, 33, 25 and 86 nM for BMX、HER4、BLK、EGFR、JAK3、SLK and LOK respectively. Furthermore, TAS0728 exhibits robust and sustained inhibition of the phosphorylation of HER2, HER3, and downstream effectors.

Epertinib (S-22611) is a potent, orally active, reversible, and selective tyrosine kinase inhibitor of EGFR, HER4 and HER2, with IC₅₀s of 1.48 nM, 2.49 nM and 7.15 nM, respectively. Epertinib shows potent antitumor activity. Epertinib is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.