[CAS NO. 1188910-76-0]  Agerafenib (RXDX-105)

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PRODUCTS SPECIFICATIONS [1188910-76-0]

Catalog
SLK-S8015
Brand
Selleck
CAS
1188910-76-0

DESCRIPTION [1188910-76-0]

Overview

MDLMFCD22124524
Molecular Weight517.46
Molecular FormulaC24H22F3N5O5
SMILESO=C(NC1=NOC(C(C)(C)C(F)(F)F)=C1)NC2=CC=CC(OC3=C4C=C(OC)C(OC)=CC4=NC=N3)=C2

For research use only.

Storage

3 years,-20°C,powder
1 years,-80°C,in solvent

Shipping

Room temperature shipping(Stability testing shows this product can be shipped without any cooling measures.)

Description

Agerafenib (RXDX-105, CEP-32496) is a highly potent inhibitor of and with of 14 nM/36 nM and 39 nM, also potent to Abl-1, c-Kit, Ret (c-Ret), PDGFRβ and VEGFR2, respectively; insignificant affinity for MEK-1, MEK-2, ERK-1 and ERK-2. Phase 1/2.

Features

High binding affinity for both BRAF (V600E) mutation and related c-Raf, but no significant affinity for other kinases of MAPK pathway.

Targets


In vitro

CEP-32496 inhibits A375 cell (BRAF) proliferation with EC50 of 78 nM. CEP-32496 exhibits more sensitive cytotoxicity for tumor cell lines (A375, SK-MEL-28, Colo-205, Colo-679, and HT-144) expressing mutant BRAF than those expressing wild-type BRAF (HCT116, Hs578T, LNCaP, DU145, and PC-3). CEP-32496 inhibits mitogen-activated protein (MAP)/extracellular signal-regulated (ER) kinase (MEK) phosphorylation (pMEK) in human melanoma (A375) and colorectal cancer (Colo-205) cell lines with IC50 of 78 nM and 60 nM, respectively.

In vivo

CEP-32496 exhibits good stability in mouse, dog, monkey, and human liver microsomal preparations with measured intrinsic clearance values of <23 (μL/min)/mg and t > 60 min in all assays. CEP-32496 (30 mg/kg, orally, BID) exhibits tumor stasis and a 40% incidence of partial tumor regressions (PRs) in Colo-205 xenograft mouse model, whereas the 100 mg/kg dose group exhibits both tumor stasis and an 80% incidence of PRs. CEP-32496 (30 mg/kg, orally, BID) leads to a 50% and 75% inhibition of normalized pMEK in tumor lysates at the 2 hours and 6 hours postdose time point, respectively, while a 55 mg/kg dose results in a 75% to 57% inhibition of pMEK at 2 hours through 10 hours post administration in Colo-205 xenograft mouse model. CEP-32496 is orally bioavailable in multiple preclinical species (>95% in rats, dogs, and monkeys). CEP-32496 (100 mg/kg) results in inhibition of pMEK and pERK and sustained tumor stasis and regressions in BRAF(V600E) colon carcinoma xenografts in nude mice.