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Lumacaftor (VX-809)

Name: Lumacaftor (VX-809)
Brand: Selleck Chemicals
SKU: S1565
Rating: 5 (220 reviews)

Synonyms: VRT 826809

Catalog No.S1565 Purity:99.87%

Lumacaftor (VX-809, VRT 826809) acts to correct CFTR mutations common in cystic fibrosis by increasing mutant CFTR (F508del-CFTR) maturation,EC50 of 0.1 μM in fisher rat thyroid cells. Phase 3.

Lumacaftor (VX-809) Chemical Structure

CAS No. 936727-05-8

Purity & Quality Control

Batch: Purity: 99.87%

99.87

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Signaling Pathway

CFTR Signaling Pathway

Cell Data

Cell Lines	Assay Type	Concentration	Incubation Time	Activity Description	PMID
CFBE41o	Corrector assay		24 hrs	Corrector activity at CFTR F508-del mutant (unknown origin) expressed in human CFBE41o cells harboring HS-YFP preincubated for 24 hrs followed by forskolin/genistein stimulation for 30 mins by fluorescence assay, EC50 = 2.5704 μM.	29272749
FRT	Corrector assay		25 mins	Corrector activity at human CFTR F508 deletion mutant expressed in FRT cells incubated for 25 mins with forskolin by YFP-based fluorescence analysis relative to control, EC50 = 2.6 μM.	26561003
TC32	qHTS assay			qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for TC32 cells	29435139
U-2 OS	qHTS assay			qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for U-2 OS cells	29435139
A673	qHTS assay			qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for A673 cells	29435139
DAOY	qHTS assay			qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for DAOY cells	29435139
Saos-2	qHTS assay			qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for Saos-2 cells	29435139
BT-37	qHTS assay			qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for BT-37 cells	29435139
RD	qHTS assay			qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for RD cells	29435139
SK-N-SH	qHTS assay			qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for SK-N-SH cells	29435139
BT-12	qHTS assay			qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for BT-12 cells	29435139
MG 63 (6-TG R)	qHTS assay			qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for MG 63 (6-TG R) cells	29435139
NB1643	qHTS assay			qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for NB1643 cells	29435139
BT-12	qHTS assay			qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for BT-12 cells	29435139
OHS-50	qHTS assay			qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for OHS-50 cells	29435139
fibroblast cells	qHTS assay			qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for control Hh wild type fibroblast cells	29435139
Rh41	qHTS assay			qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for Rh41 cells	29435139
Rh30	qHTS assay			qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for Rh30 cells	29435139
U-2 OS	qHTS assay			qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for U-2 OS cells	29435139
Rh41	qHTS assay			qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for Rh41 cells	29435139
RD	qHTS assay			qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for RD cells	29435139
SJ-GBM2	qHTS assay			qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for SJ-GBM2 cells	29435139
SK-N-MC	qHTS assay			qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for SK-N-MC cells	29435139
NB-EBc1	qHTS assay			qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for NB-EBc1 cells	29435139
LAN-5	qHTS assay			qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for LAN-5 cells	29435139
Rh18	qHTS assay			qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for Rh18 cells	29435139
CFBE41o	Corrector assay	1 uM	24 hrs	Corrector activity at CFTR F508-del mutant (unknown origin) expressed in human CFBE41o cells harboring HS-YFP assessed as increase in matured protein levels at cell surface at 1 uM after 24 hrs by electrophoretic mobility assay	29272749
HBE	Corrector assay			Corrector activity at CFTR F508del/F508del mutant in primary HBE cells assessed as increase in chloride ion current across apical membrane measured 18 to 24 hrs post compound treatment on basolateral side of cells in presence of channel potentiator GLPG18	29251932
CFBE41o	Corrector assay			Corrector activity at CFTR F508del mutant (unknown origin) expressed in human CFBE41o cells assessed as increase in fully glycosylated protein by western blot analysis	26041577
CFBE41o	Corrector assay	1 uM	24 hrs	Corrector activity at CFTR F508del mutant (unknown origin) expressed in human CFBE41o cells assessed as increase in size of cAMP-dependent current at 1 uM after 24 hrs measured at +100 mV by whole cell patch clamp assay	26041577
Click to View More Cell Line Experimental Data

Biological Activity

Description

Features

Higher specificity and efficacy relative to other CFTR defect drugs.

Targets

F508del-CFTR ^[1]
(Fisher rat thyroid cells)

0.1 μM(EC50)

In vitro
In vitro	VX-809 acts at the level of the ER to allow a fraction of the F508del-CFTR to adopt a properly folded form, to exit the ER and mobilize to the cell surface for normal functioning. In Fischer rat thyroid (FRT) cells expressing F508del-CFTR, VX-809 treatment significantly improves F508del-CFTR maturation by 7.1 fold with an EC50 of 0.1 μM, and enhances F508del-CFTR-mediated chloride transport by approximately 5 fold with EC50 of 0.5 μM, while VRT-768 has higher EC50 values of 7.9 μM and 16 μM, respectively. In HEK-293 cells expressing F508del-CFTR, VX-809 (3 μM) treatment increases F508del-CFTR exit from the ER by 6 fold, reaching levels comparable to 34% of CFTR. In primary human bronchial epithelial (HBE) cells with F508del-CFTR mutation, VX-809 increases CFTR maturation and enhances chloride secretion with EC50 of 350 nM and 81 nM, respectively, more efficacious than Corr-4a and VRT-325. F508del-CFTR corrected by VX-809 exhibits single-channel open probability of 0.39 similar to normal CFTR of 0.40. Unlike VX-770, VX-809 is not a CFTR potentiator, as acute addition of VX-809 has no effect on F508del-CFTR function. In contrast to VRT-325 and Corr-4a, VX-809 does not improve the processing of the normal or mutant forms of hERG or P-gp, as well as other disease-causing mislocalized proteins, including α1-antitrypsin Z mutant (E342K-α1-AT) or N370S-β-glucosidase, suggesting that VX-809 is specific for CFTR. VX-809 in combination with VRT-325 or Corr-4a has additive effect on CFTR-mediated chloride transport in cultured F508del-HBE. ^[1]
Kinase Assay	F508del-CFTR maturation
Kinase Assay	Fischer rat thyroid (FRT) cells stably expressing F508del-CFTR are treated with increasing concentrations of VX-809 for 48 hours. After incubation, cells are harvested in ice-cold D-PBS solution (without calcium and magnesium) and pelleted at 1,000 × g at 4 °C. Cell pellets are lysed in 1% Nonidet P-40, 0.5% sodium deoxycholate, 200 mM NaCl, 10 mM Tris, pH 7.8, and 1 mM EDTA plus protease inhibitor mixture (1:250) for 30 minutes on ice. Lysates are spun for 10 minutes at 10,000 × g at 4 °C to pellet nuclei and insoluble material. Approximately 12 μg total protein is heated in Laemmli buffer with 5% β-mercaptoethanol at 37 °C for 5 minutes and loaded onto a 3% to 8% Tris-acetate gel. The gel is transferred to nitrocellulose and processed for Western blotting by using monoclonal CFTR antibody or polyclonal to GAPDH. Blots are developed by enhanced chemiluminescence. Quantification of the relative amounts of bands C and GAPDH is performed by using NIH ImageJ analysis of scanned films.
Cell Research	Cell lines	FRT (CFTR or F508del-CFTR), HEK-293 (CFTT or F508del-CFTR) , and HBE cells
	Concentrations	Dissolved in DMSO, final concentrations ~0.1 mM
	Incubation Time	24 or 48 hours
	Method	Cells are exposed to various concentrations of VX-809 for 24 or 48 hours. Ussing chamber techniques are used to record the transepithelial current (I_T) resulting from CFTR-mediated chloride transport. The single-channel activity of CFTR is measured by using excised inside-out membrane patch recordings. Immunoblot techniques using themonoclonal CFTR antibody are used to measure CFTR maturation in FRT, HEK-293, or HBE cells expressing CFTR or F508del-CFTR.
Experimental Result Images	Methods	Biomarkers	Images	PMID
Experimental Result Images	Immunofluorescence	CFTR / USP13 Cell surface kAE1 / kAE1		30618756

In Vivo
In vivo	Lumacaftor (VX-809; VRT 826809) is a CFTR modulator that corrects the folding and trafficking of CFTR protein.
Animal Research	Animal Models	Male Sprague– Dawley rats
	Dosages	1 mg/kg
	Administration	p.o.

NCT Number	Recruitment	Conditions	Sponsor/Collaborators	Start Date	Phases
Clinical Trial Information (data from https://clinicaltrials.gov, updated on 2024-05-22)
NCT03512119	Completed	Cystic Fibrosis Homozygous for Phe 508 Del CFTR\|Glucose Intolerance or Newly Diagnosis Diabetes	University Hospital Strasbourg France	February 11 2016	--
NCT02589236	Completed	Cystic Fibrosis	Nivalis Therapeutics Inc.\|Medidata Solutions	November 2015	Phase 2
NCT02514473	Completed	Cystic Fibrosis	Vertex Pharmaceuticals Incorporated	July 2015	Phase 3
NCT01899105	Completed	Cystic Fibrosis	Vertex Pharmaceuticals Incorporated	July 2013	Phase 1

References

[1] Van Goor F, et al. Proc Natl Acad Sci U S A, 2011, 108(46), 18843-18848.

Chemical Information & Solubility

Molecular Weight	452.41	Formula	C₂₄H₁₈F₂N₂O₅
CAS No.	936727-05-8	SDF	Download Lumacaftor (VX-809) SDF
Smiles	CC1=C(N=C(C=C1)NC(=O)C2(CC2)C3=CC4=C(C=C3)OC(O4)(F)F)C5=CC(=CC=C5)C(=O)O
Storage (From the date of receipt)	3 years-20°Cpowder	Storage of Stock Solutions Aliquot the stock solutions to avoid repeated freeze-thaw cycles	1 year-80°Cin solvent
Storage (From the date of receipt)	3 years-20°Cpowder		1 month-20°Cin solvent

In vitro
Batch:

DMSO : 90 mg/mL ( (198.93 mM) Moisture-absorbing DMSO reduces solubility. Please use fresh DMSO.)

Ethanol : 13 mg/mL

Water : Insoluble

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In vivo
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Tech Support

Answers to questions you may have can be found in the inhibitor handling instructions. Topics include how to prepare stock solutions, how to store inhibitors, and issues that need special attention for cell-based assays and animal experiments.

Handling Instructions

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