[CAS NO. 1434048-34-6]  Fenebrutinib

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PRODUCTS SPECIFICATIONS [1434048-34-6]

Distributor
Catalog
HY-19834
Brand
MCE
CAS
1434048-34-6

DESCRIPTION [1434048-34-6]

Overview

MDL-
Molecular Weight664.80
Molecular FormulaC37H44N8O4
SMILESO=C1C(NC(C=C2)=NC=C2N3CCN(C4COC4)C[C@@H]3C)=CC(C5=CC=NC(N6C(C7=CC(CC(C)(C)C8)=C8N7CC6)=O)=C5CO)=CN1C

For research use only. We do not sell to patients.


Summary

Fenebrutinib (GDC-0853) is a potent, selective, orally available, and noncovalent bruton's tyrosine kinase ( Btk ) inhibitor with K i s of 0.91 nM, 1.6, 1.3, 12.6, and 3.4 nM for WT Btk , and the C481S, C481R, T474I, T474M mutants. Fenebrutinib has the potential for rheumatoid arthritis and systemic lupus erythematosus research [1] .


IC50 & Target

Ki: 0.91 nM (Btk WT), 1.6 nM (Btk C481S), 1.3 nM (Btk C481R), 12.6 nM (Btk T474I), and 3.4 nM (Btk T474M) [1]


In Vitro

Fenebrutinib (GDC-0853) inhibits CD69 expression on CD19 + B cells in human whole blood with an IC 50 of 8.4±5.6 nM. Fenebrutinib inhibits CD63 expression on basophils with an IC 50 of 30.7±4.1 nM [2] .
Fenebrutinib suppresses anti-IgM induced Btk Y223 autophosphorylation in human whole blood (IC 50 =11 nM) [2] .

MCE has not independently confirmed the accuracy of these methods. They are for reference only.


In Vivo

Fenebrutinib (GDC-0853) dose-dependently reduces ankle thickness following once (0.06, 0.25, 1, 4, and 16 mg/kg QD; orally) or twice (0.125, 0.5, and 2 mg/kg BID; orally) daily in female Lewis rats with developing collagen-induced arthritis [2] .
Fenebrutinib (0.2 mg/kg IV and 1.0 mg/kg PO; for rats) and (0.2 mg/kg IV and 0.5 mg/kg PO for dogs) demonstrates the half-lives (t 1/2 s) of 2.2 and 3.8 h In rats, and dogs, respectively [2] .

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Model: Female Lewis rats with developing collagen-induced arthritis (CIA) [2]
Dosage: 0.06, 0.25, 1, 4, and 16 mg/kg once daily (QD); 0.125, 0.5, and 2 mg/kg twice daily (BID)
Administration: Dosed orally; for 16 days
Result: Dose-dependently reduced ankle thickness following QD and BID dosing regimens.

Clinical Trial

NCT Number Sponsor Condition Start Date Phase
NCT03188783 Hoffmann-La Roche
Healthy Volunteer
January 24, 2017 Phase 1
NCT03290703 Genentech, Inc.
Healthy Volunteers
April 18, 2017 Phase 1
NCT02908100 Genentech, Inc.
Systemic Lupus Erythematosus
January 19, 2017 Phase 2

Appearance

Solid


Shipping

Room temperature in continental US; may vary elsewhere.


Storage

4°C, stored under nitrogen

* In solvent : -80°C, 6 months; -20°C, 1 month (stored under nitrogen)


Solvent & Solubility

In Vitro:

DMSO : ≥ 23 mg/mL ( 34.60 mM )

* "≥" means soluble, but saturation unknown.

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 1.5042 mL 7.5211 mL 15.0421 mL
5 mM 0.3008 mL 1.5042 mL 3.0084 mL
10 mM 0.1504 mL 0.7521 mL 1.5042 mL
* Please refer to the solubility information to select the appropriate solvent.
In Vivo:
  • 1.

    Add each solvent one by one: 10% DMSO >> 40% PEG300 >> 5% Tween-80 >> 45% saline

    Solubility: ≥ 1 mg/mL (1.50 mM); Clear solution

  • 2.

    Add each solvent one by one: 10% DMSO >> 90% (20% SBE-β-CD in saline)

    Solubility: ≥ 1 mg/mL (1.50 mM); Clear solution

  • 3.

    Add each solvent one by one: 10% DMSO >> 90% corn oil

    Solubility: ≥ 1 mg/mL (1.50 mM); Clear solution

* All of the co-solvents are available by MCE.