Name: Fenebrutinib (GDC-0853)
Brand: Selleck Chemicals
SKU: S8421
Availability: InStock
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Batch: S842101 DMSO]8 mg/mL]false]Water]Insoluble]false]Ethanol]Insoluble]false Purity: 99.91%

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Datasheet

99.91

Related Targets	EGFR VEGFR PDGFR FGFR c-Met Src MEK CSF-1R FLT3 HER2
Other BTK Inhibitors	Spebrutinib (AVL-292) tirabrutinib(ONO-4059) hydrochloride CGI1746 LFM-A13 CNX-774 BMS-935177 Branebrutinib (BMS-986195) Evobrutinib BMS-986142 Nemtabrutinib (ARQ 531)

Solubility

In vitro
Batch:

DMSO : 8 mg/mL (12.03 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO.)

Water : Insoluble

Ethanol : Insoluble

Molarity Calculator

Mass	Concentration	Volume	Molecular Weight
Mass value Mass unit	Concentration value Concentration unit	Volume value Volume unit	Molecular weight (g/mol)

Dilution Calculator Molecular Weight Calculator

In vivo batch selection In vivo Batch:
Homogeneous suspension	CMC-NA	≥5mg/ml	Taking the 1 mL working solution as an example, add 5 mg of this product to 1 ml of CMC-Na solution, mix evenly to obtain a homogeneous suspension with a final concentration of 5 mg/ml.
Clear solution	5%DMSO 1 40%PEG300 2 5%Tween80 3 50%ddH2O Validated by Selleck labs. Should you need adjustments to this formulation, contact our sales team for custom testing.	0.400mg/ml (0.60mM)	Taking the 1 mL working solution as an example, add 50 μL of 8 mg/ml clarified DMSO stock solution to 400 μL of PEG300, mix evenly to clarify it; add 50 μL of Tween80 to the above system, mix evenly to clarify; then continue to add 500 μL of ddH2O to adjust the volume to 1 mL. The mixed solution should be used immediately for optimal results.
Clear solution	5% DMSO 1 95% Corn oil Validated by Selleck labs. Should you need adjustments to this formulation, contact our sales team for custom testing.	0.200mg/ml (0.30mM)	Taking the 1 mL working solution as an example, add 50 μL of 4 mg/ml clear DMSO stock solution to 950 μL of corn oil and mix evenly. The mixed solution should be used immediately for optimal results.

In vivo Formulation Calculator (Clear solution)

Step 1: Enter information below (Recommended: An additional animal making an allowance for loss during the experiment)

Dosage: mg/kg

Average weight of animals: g

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Step 2: Enter the in vivo formulation (This is only the calculator, not formulation. Please contact us first if there is no in vivo formulation at the solubility Section.)

% DMSO

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Working concentration: mg/ml;

Method for preparing DMSO master liquid: mg drug pre-dissolved in μL DMSO ( Master liquid concentration mg/mL, Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug. )

Method for preparing in vivo formulation: Take μL DMSO master liquid, next addμL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH₂O, mix and clarify.

Method for preparing in vivo formulation: Take μL DMSO master liquid, next add μL Corn oil, mix and clarify.

Note: 1. Please make sure the liquid is clear before adding the next solvent.
2. Be sure to add the solvent(s) in order. You must ensure that the solution obtained, in the previous addition, is a clear solution before proceeding to add the next solvent. Physical methods such
as vortex, ultrasound or hot water bath can be used to aid dissolving.

Chemical Information, Storage & Stability

Molecular Weight	664.80	Formula	C₃₇H₄₄N₈O₄	Storage (From the date of receipt)	3 years -20°C powder
CAS No.	1434048-34-6	--		Storage of Stock Solutions	1 year-80°Cin solvent 1 month-20°Cin solvent
Synonyms	N/A			Smiles	CC1CN(CCN1C2=CN=C(C=C2)NC3=CC(=CN(C3=O)C)C4=C(C(=NC=C4)N5CCN6C7=C(CC(C7)(C)C)C=C6C5=O)CO)C8COC8

Mechanism of Action

Targets/IC₅₀/Ki	BTK (Cell-free assay) 0.91 nM(Ki) BTK C481R (Cell-free assay) 1.3 nM(Ki) BTK C481S (Cell-free assay) 1.6 nM(Ki) BTK T474M (Cell-free assay) 3.4 nM(Ki) BTK T474I (Cell-free assay) 12.6 nM(Ki)
In vitro	When tested at 1 μM against a broad panel of human kinase biochemical assays, Fenebrutinib (GDC-0853) inhibits only 3 of 286 off-target kinases. Based on the determined IC50 values, the selectivity for Btk is >100-fold against each of these 3 off-targets: Bmx (153-fold), Fgr (168-fold), and Src (131-fold). This compound blocks both B-cell BCR and monocyte FcγR signaling. In in vitro biochemical Btk enzyme assay, it displays an average residence time with Btk of 18.3 ± 2.8 hours. It blocks cellular autophosphorylation of WT Btk and the C481S mutant. CLL (chronic lymphocytic leukemia) cells treated with GDC-0853 in vitro before BCR stimulation demonstrate reduced levels of BTK phosphorylation and diminished activation of downstream targets including PLCγ2, AKT, and ERK. It inhibits NF-κB–dependent transcription, reduces activation, and impairs migration. This compound lacks inhibition of EGFR and ITK in cellular system and does not affect T-cell receptor activation.
Kinase Assay	Kinase selectivity
Kinase Assay	Fenebrutinib (GDC-0853) kinase selectivity is assessed at a concentration of 1 µM in a panel of up to 287 recombinant human kinase activity and binding assays, including cytoplasmic and receptor tyrosine kinases, serine/threonine kinases, and lipid kinases. The kinase activity assays measure peptide phosphorylation or ADP production while the binding assays monitored displacement of ATP sitebinding probes. The ATP concentrations used in the activity assays are typically within 2-fold of the experimentally determined apparent Michaelis constant (Km^app) value for each kinase while the competitive binding tracer concentrations used in the binding assays are generally within 3-fold of the experimentally determined dissociation constant (Kd) values. This compound is tested in duplicate against each kinase and the mean % Inhibition values are reported. For kinases that are inhibited by close to or greater than 80% at the test concentration, 10-point inhibitor titrations using the same assays are carried out in order to determine the inhibitor concentrations that caused 50% inhibition (IC50).
In vivo	Fenebrutinib (GDC-0853) has moderate clearance of 27.4 mL/min/kg and excellent bioavailability (F=65%) in rats administered 0.2 mg/kg via intraperitoneal injection or 1 mg/kg PO. Its plasma clearance is 27.4 mL/min/kg, the volume of distribution (Vd) is 5.42 L/kg and the plasma half-life (t_1/2) is 2.2 h. This compound also demonstrates favorable PK properties in dogs. The 3.8-hour half-life (Cl_p 10.9 mL/min/kg, V_d 2.96 L/kg) and high oral bioavailability (85%) also enable attainment of sufficient exposures in dog toxicology studies. It is well tolerated in both rats and dogs and displays an overall favorable safety profile. GDC-0853 is useful in treating rheumatoid arthritis and other B-cell or myeloid cell mediated autoimmune diseases. In a single ascending dose (SAD) study (0.5 mg to 600 mg) and multiple ascending dose (MAD) study for 14 days (250 mg BID to 500 mg QD), it is very well tolerated with no severe adverse events, no safety signals, and no dose limiting toxicities. It is well absorbed and had linear, doseproportional pharmacokinetics. In Sprague-Dawley (SD) rats, administration of this compound and other structurally diverse BTK inhibitors for 7 days or longer cause pancreatic lesions consisting of multifocal islet-centered hemorrhage, inflammation, fibrosis, and pigment-laden macrophages with adjacent lobular exocrine acinar cell atrophy, degeneration, and inflammation. Similar findings are not observed in mice or dogs at much higher exposures.
References	[1] https://pubmed.ncbi.nlm.nih.gov/29457982/ [2] https://pubmed.ncbi.nlm.nih.gov/27821712/ [3] https://pubmed.ncbi.nlm.nih.gov/30018078/

Applications

Methods	Biomarkers	Images	PMID
Western blot	p-BTK / BTK / p-PLCγ2 / PLCγ2 / p-AKT / AKT / p-ERK / ERK		30018078

Clinical Trial Information

(data from https://clinicaltrials.gov, updated on 2024-05-22)

NCT Number	Recruitment	Conditions	Sponsor/Collaborators	Start Date	Phases
NCT05119569	Active not recruiting	Relapsing Multiple Sclerosis	Hoffmann-La Roche	March 1 2022	Phase 2
NCT04586023	Active not recruiting	Relapsing Multiple Sclerosis	Hoffmann-La Roche	March 24 2021	Phase 3
NCT04586010	Active not recruiting	Relapsing Multiple Sclerosis	Hoffmann-La Roche	March 17 2021	Phase 3
NCT03693625	Terminated	Urticaria	Genentech Inc.	September 27 2018	Phase 2
NCT03596632	Completed	Healthy Participants	Hoffmann-La Roche	July 27 2018	Phase 1

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Fenebrutinib (GDC-0853) BTK inhibitor

Chemical Structure

Molecular Weight: 664.80