AAE871 (AAE-871) is a potent type I kinase inhibitor of FLT3 with IC50 of 34 nM, potently inhibits proliferation of FLT3-ITD- and D835Y-expressing cells (IC50<10 nM) through selective inhibition of FLT3 kinase activity..

ATH686 (ATH-686) is a potent and selective, second-generation inhibitor of mutant FLT3 protein kinase.

Crenolanib (CP-868596) is a potent and selective inhibitor of PDGFRα/β with Kd of 2.1 nM/3.2 nM, also potently inhibits FLT3, sensitive to D842V mutation not V561D mutation, >100-fold more selective for PDGFR than c-Kit, VEGFR-2, TIE-2, FGFR-2, EGFR, erbB

FLT3/AXL inhibitor

FLT3-IN-5e is a nove potent, selective FLT3 inhibitor with Kd of 3.6 nM, IC50 of <6 nM.

G-749 is an inhibitor of Fms-like tyrosine receptor kinase 3 (FLT3) with IC50 values ranging from 2.1 to 38.1 nM for wild-type and mutant (constitutively active) FLT3s in Ba/F3 cells expressing recombinant receptors.

K03861 is a type II CDK2 inhibitor with Kd of 50 nM, 18.6 nM, 15.4 nM, and 9.7 nM for CDK2(WT), CDK2(C118L), CDK2(A144C), and CDK2(C118L/A144C), respectlvely.

KW 2449 is a multikinase inhibitor of FLT3, ABL, ABL-T315I, and Aurora kinase.

Quizartinib (AC220) is a second-generation FLT3 inhibitor for Flt3(ITD/WT) with IC50 of 1.1 nM/4.2 nM, 10-fold more selective for Flt3 than KIT, PDGFRα, PDGFRβ, RET, and CSF-1R. Phase 1/2.

Tandutinib (MLN518, CT53518) is a potent FLT3 antagonist with IC50 of 0.22 μM, also inhibits PDGFR and c-Kit, 15 to 20-fold higher potency for FLT3 versus CSF-1R and >100-fold selectivity for the same target versus FGFR, EGFR and KDR. Phase 2.

Tandutinib hydrochloride (MLN518 hydrochloride) is a potent and selective inhibitor of the FLT3 with an IC50 of 0.22 μM, and also inhibits c-Kit and PDGFR with IC50s of 0.17 μM and 0.20 μM, respectively. Tandutinib hydrochloride can be used for acute myelogenous leukemia (AML). Tandutinib hydrochloride has the ability to cross the blood-brain barrier.

5'-Fluoroindirubinoxime (5’-FIO, compound 13), an Indirubin derivative, is a potent FLT3 inhibitor, with an IC50 of 15 nM.

FLT3-IN-4 is a potent and orally effective Fms-like tyrosine receptor kinase 3 (FLT3; IC50=7 nM) inhibitor for treating acute myelogenous leukemia.

FLT3-IN-3 is a potent FLT3 inhibitor with IC50s of 13 and 8 nM for FLT3 WT and FLT3 D835Y, respectively.

Luxeptinib (CG-806) is an orally active, reversible, first-in-class, non-covalent and potent pan-FLT3/pan-BTK inhibitor. Luxeptinib induces cell cycle arrest, apoptosis or autophagy in acute myeloid leukemia cells.

LT-850-166 is a potent FLT3 inhibitor with the capacity of overcoming a variety of FLT3 mutations.

4SC-203 (SC71710) is a multikinase inhibitor with potential antineoplastic activity. 4SC-203 selectively inhibits FMS-related tyrosine kinase 3 (FLT3/STK1), FLT3 mutated forms, and vascular endothelial growth factor receptors (VEGFRs).

FLT3-IN-10 (compound 7c) is a potent inhibitor of FMS-like tyrosine kinase 3 (FLT3). FLT3-IN-10 has the potential for the treatment of FLT3-mutated acute myeloid leukemia (AML).

HP1142 is a potent and selective inhibitor of FLT3 receptor tyrosine kinase (FLT3/ITD mutation). HP1142 is a benzoimidazole scaffold-based compound. HP1142 has the potential for the research of FLT3/ITD leukemia.

MAX-40279 is a dual and potent inhibitor of FLT3 kinase and FGFR kinase. MAX-40279 has the potential for the research of acute myelogenous leukemia (AML) (extracted from patent WO2021180032).

MAX-40279 hydrochloride is a dual and potent inhibitor of FLT3 kinase and FGFR kinase. MAX-40279 hydrochloride has the potential for the research of acute myelogenous leukemia (AML) (extracted from patent WO2021180032).

HP1328 is a potent inhibitor of FLT3 receptor tyrosine kinase (FLT3/ITD mutation). HP1328 is a benzoimidazole scaffold-based compound. HP1328 significantly reduces the leukemia burden and prolongs the survival of mice with FLT3/ITD leukemia.

MAX-40279 hemifumarate is a dual and potent inhibitor of FLT3 kinase and FGFR kinase. MAX-40279 hemifumarate has the potential for the research of acute myelogenous leukemia (AML) (extracted from patent WO2021180032).

MAX-40279 hemiadipate is a dual and potent inhibitor of FLT3 kinase and FGFR kinase. MAX-40279 hemiadipate has the potential for the research of acute myelogenous leukemia (AML) (extracted from patent WO2021180032).

OTS447 is a potent FLT3 inhibitor with an IC50 of 21 nM (WO2012016082A1, compound 335).

FLT3-IN-12 is a potent, selective and orally active FLT3 kinase inhibitor with IC50s of 1.48 nM and 2.87 nM for FLT3-WT and FLT3-D835Y, respectively. FLT3-IN-12 possesses high selectivity over c-KIT (>1000-fold). FLT3-IN-12 has an excellent anti-AML (acute myeloid leukemia) activity (MV4-11, IC50 of 0.75 nM).

K783-0308 is a potent and selective dual inhibitor of FLT3 and MNK2 with IC50 values of 680 and 406 nM, respectively. K783-0308 inhibits the growth of MOLM-13 (IC50=10.5 µM) and MV-4-11 (IC50=10.4 µM) cells. K783-0308 promotes acute myeloid leukemia (AML) cell apoptosis and cell cycle arrests in the G0/G1 phase.

FF-10101 (FF10101) is a potent, selective, and irreversible FLT3 inhibitor with IC50 of 0.14 nM (FLT3 Wt), covalent binds to the C695 residue of FLT3.FF-10101 potently inhibited the phosphorylation of FLT3-ITD than that of FLT3-ITD-C695S (IC50 values 2.4 nM and 79 nM, respectively).FF-10101 potently and selectively inhibits the growth of mutant FLT3-expressing leukemia cells in vitro (MV4-11 c ell, IC50=0.83 nM), potently inhibits kinase activities of wild-type FLT3 and FLT3-D835Y with IC50 values of 0.20 nM and 0.16 nM, respectively.FF-10101 demonstrated high kinase selectivity to wild-type FLT3 with >30-fold margins against the other kinases except for FMS and KIT with IC50 values of 0.94 nM and 2.0 nM, respectively.FF-10101 showed growth inhibitory effects on all tested types of FLT3-TKD mutation- and FLT3-ITD with D835Y, Y842C, Y842H, or F691L mutation-expressing 32D cells with GI50 values from 0.43 nM to 6.1 nM.FF-10101 (2, 5, and 10 mg/kg) demonstrated anti-leukemic effects in in vivo models, FF-10101 more potently inhibited the growth of tumors with FLT3-ITD-D835Y and FLT3-ITD-F691L than quizartinib.

Danatinib is a potent and selective FLT3 inhibitor with IC50 of 3 nM, overcomes acquired resistance and shows effective inhibition against FLT3-ITD and/or FLT3-TKD mutations.

MBP-11901 is an orally active, multitarget tyrosine kinase inhibitor targeting FLT3, VEGFR2, PDGFRβ, and c-KIT, shows excellent inhibitory activity against HCC cell growth in vitro (HepG2, IC50=5.16 uM).

PCW-A1001 is a potent, selective inhibitor of FLT-3 (D835Y) mutant with IC50 of 764 nM, weakly inhibits WT FLT-3 with IC50 of 2.54 uM.

TSN084 (TSN 084) is a unique small molecule multi-kinase inhibitor of drug-resistant mutations of c-Met, Trks, and Flt3, also inhibits other oncotargets including Axl, DDRs, and CDK8/19.

YHJ1039 is a broad-spectrum kinase inhibitor, possesses excellent potencies against FLT3 mutants (FLT3 D835Y, IC50=0.41 nM) as well as FAK (IC50=7 nM).