Elacridar is an orally selectly potent P-glycoprotein (P-gp/ABCG1) inhibitor.

Elacytarabine (CP-4055, CP4055) is a fatty acid derivative of cytarabine with potential antineoplastic activity.

Elesclomol (STA-4783) is a novel potent oxidative stress inducer that illicits pro-apoptosis events among tumor cells..

Endoxifen is a Estrogen receptor α (ERα) ligand; potent antiestrogen,an active metabolite of the cancer drug tamoxifen.

Entinostat (MS-275) strongly inhibits HDAC1 and HDAC3 with IC50 of 0.51 μM and 1.7 μM, compared with HDACs 4, 6, 8, and 10. Phase 1/2.

Entrectinib (RXDX-101), a potent and selective small molecule inhibitor of TrkA/B/C, ROS1, and ALK kinases, has demonstrated early clinical activity when orally administered intermittently under fasting conditions.

Enzastaurin (LY317615) is a potent PKCβ selective inhibitor with IC50 of 6 nM, 6- to 20-fold selectivity against PKCα, PKCγ and PKCε. Phase 3.

EPZ011989 is a potent, orally-available EZH2 Inhibitor.

Erdafitinib (JNJ-42756493) is a potent and orally available FGFR family inhibitor; inhibits FGFR1-4 with IC50 values of 1.2, 2.5, 3.0 and 5.7nM, respectively.

Eribulin is an anticancer drug marketed by Eisai Co. under the trade name Halaven. Eribulin is also known as E7389 and ER-086526, and also carries the US NCI designation NSC-707389. It is used to treat certain patients with breast cancer and liposarcoma.

Eribulin Mesylate (E7389 Mesylate), a synthetic analogue of halichondrin B in phase III clinical trials for breast cancer, binds to tubulin and microtubules.

Erlotinib (OSI-744; NSC 718781; R1415) is an EGFR inhibitor with IC50 of 2 nM, >1000-fold more sensitive for EGFR than human c-Src or v-Abl.

Erlotinib HCl is an HER1/EGFR inhibitor with IC50 of 2 nM.

ETC-159 is a potent and specific inhibitor of Wnt secretion. ETC-159 inhibits _beta_-catenin reporter activity in a dose-dependent manner with an IC50 of 2.9 nM.

Everolimus (RAD001) is an mTOR inhibitor of FKBP12 with IC50 of 1.6-2.4 nM.

EW-7197 is a potent ALK5 inhibitor. EW-7197 showed potent in vivo anti-metastatic activity, indicating its potential for use as an anti-cancer therapy.

Fadrozole is a non-steroidal aromatase inhibitor (IC50s = 5 and 1.4 nM for human placental and rat ovarian microsomal aromatase, respectively).

FGF401 is an inhibitor of human fibroblast growth factor receptor 4 (FGFR4), with potential antineoplastic activity.

Flavopiridol competes with ATP to inhibit CDKs including CDK1, CDK2, CDK4 and CDK6 with IC50 of ~ 40 nM, and CDK7 with IC50 of 300 nM.

Flavopiridol hydrochloride competes with ATP to inhibit CDKs including CDK1, CDK2, CDK4 and CDK6 with IC50 of ~ 40 nM. It is 7.5-fold more selective for CDK1/2/4/6 than CDK7. Flavopiridol is initially found to inhibit EGFR and PKA.

FLT3/AXL inhibitor

Pexmetinib is a potent Tie-2 and p38 MAPK dual inhibitor, with IC50s of 1 nM, 35 nM and 26 nM for Tie-2, p38α and p38β, respectively, and can be used in the research of acute myeloid leukemia.