Pexidartinib HCl


Catalog No. size PriceQuantity
M7009-2 2mg solid $76
M7009-10 10mg solid $320

Description

Cas:2040295-03-0 (HCl)

Product Information

Pexidartinib, also know as PLX-3397, is a CSF1R inhibitor with IC50 of 20 nM in development by Plexxikon for the treatment of tenosynovial giant cell tumors. It is in a phase 3 clinical trial for Pigmented Villonodular Synovitis (PVNS) or Giant Cell Tumor of the Tendon Sheath (GCT-TS).

 

Chemical Formula: C20H16Cl2F3N5

 

Molecular Weight: 454.2782

 

Elemental Analysis: C, 52.88; H, 3.55; Cl, 15.61; F, 12.55; N, 15.42

  

Synonym: 

 

PLX3397

PLX-3397

PLX 3397

CML-261

CML 261

CML261

FP-113

FP 113

FP113

Pexidartinib HCl

Pexidartinib hydrochloride

Turalio

 

Chemical Name: 5-((5-chloro-1H-pyrrolo[2,3-b]pyridin-3-yl)methyl)-N-((6-(trifluoromethyl)pyridin-3-yl)methyl)pyridin-2-amine hydrochloride

 

InChi Key:

CJLUYLRKLUYCEK-UHFFFAOYSA-N

 

InChi Code: InChI=1S/C20H15ClF3N5.ClH/c21-15-6-16-14(10-28-19(16)29-11-15)5-12-2-4-18(26-7-12)27-9-13-1-3-17(25-8-13)20(22,23)24;/h1-4,6-8,10-11H,5,9H2,(H,26,27)(H,28,29);1H

 

Smiles Code:

FC(C1=CC=C(CNC2=NC=C(CC3=CNC4=NC=C(Cl)C=C43)C=C2)C=N1)(F)F.[H]Cl

 

 

Technical Data:

 

Appearance: Solid powder

Purity: >98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility: Soluble in DMSO

Shelf Life: >3 years if stored properly

Drug Formulation: This drug may be formulated in DMSO

Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code: 2934.99.9001

 

In Vitro

Pexidartinib hydrochloride (PLX-3397 hydrochloride) is a potent, selective and ATP-competitive CSF1R (cFMS) and c-Kit inhibitor, shows 10- to 100-fold selectivity for c-Kit and CSF1R over other related kinases, such as FLT3, KDR (VEGFR2), LCK, FLT1 (VEGFR1) and NTRK3 (TRKC), with IC50s of 160, 350, 860, 880, and 890 nM, respectively.

 

In Vivo:

Pexidartinib hydrochloride (0.25, 1 mg/kg, i.p., twice daily for 8 days) inhibits the proliferation of microglia and BrdU-positive cells in neonatal mice.

Pexidartinib hydrochloride (1 mg/kg, twice daily for 8 day) shows no obvious effect on the cleaved caspase-3-positive cells in mice.

Pexidartinib hydrochloride (50 mg/kg; p.o.; every second day for 3 weeks) reduces tissue macrophage levels without affecting glucose homeostasis in mice.

 

 

References

 

  1. Murga-Zamalloa C, Rolland DC, Polk A, Wolfe A, Dewar H, Chowdhury P, Önder Ö, Dewar R, Brown NA, Bailey NG, Inamdar K, Lim MS, Elenitoba-Johnson KSJ, Wilcox RA. Colony-stimulating Factor 1 Receptor (CSF1R) Activates AKT/mTOR Signaling and Promotes T-cell Lymphoma Viability. Clin Cancer Res. 2019 Oct 21. pii: clincanres.1486.2019. doi: 10.1158/1078-0432.CCR-19-1486. [Epub ahead of print] PubMed PMID: 31636099.

 

  1. Lamb YN. Pexidartinib: First Approval. Drugs. 2019 Nov;79(16):1805-1812. doi: 10.1007/s40265-019-01210-0. Review. PubMed PMID: 31602563.

 

  1. Mason C, Kossatz S, Carter L, Pirovano G, Brand C, Guru N, Pérez-Medina C, Lewis JS, Mulder W, Reiner T. A (89)Zr-HDL PET tracer monitors response to a CSF1R inhibitor. J Nucl Med. 2019 Aug 16. pii: jnumed.119.230466. doi: 10.2967/jnumed.119.230466. [Epub ahead of print] PubMed PMID: 31420495.

 

  1. Wesolowski R, Sharma N, Reebel L, Rodal MB, Peck A, West BL, Marimuthu A, Severson P, Karlin DA, Dowlati A, Le MH, Coussens LM, Rugo HS. Phase Ib study of the combination of pexidartinib (PLX3397), a CSF-1R inhibitor, and paclitaxel in patients with advanced solid tumors. Ther Adv Med Oncol. 2019 Jun 21;11:1758835919854238. doi: 10.1177/1758835919854238. eCollection 2019. PubMed PMID: 31258629; PubMed Central PMCID: PMC6589951.

 

  1. Piawah S, Hyland C, Umetsu SE, Esserman LJ, Rugo HS, Chien AJ. A case report of vanishing bile duct syndrome after exposure to pexidartinib (PLX3397) and paclitaxel. NPJ Breast Cancer. 2019 Jun 14;5:17. doi: 10.1038/s41523-019-0112-z. eCollection 2019. PubMed PMID: 31240240; PubMed Central PMCID: PMC6570645.

 

Products are for research use only. Not for human use.

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