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Brilanestrant (Synonyms: ARN-810; GDC-0810)

Cat. No.: HY-12864 Purity: 99.95%
Handling Instructions

Brilanestrant (ARN-810; GDC-0810) is an orally bioavailable selective estrogen receptor degrader (SERD) with IC50 of 0.7 nM.

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

Brilanestrant Chemical Structure

Brilanestrant Chemical Structure

CAS No. : 1365888-06-7

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10 mM * 1 mL in DMSO USD 158 In-stock
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Based on 2 publication(s) in Google Scholar

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Description

Brilanestrant (ARN-810; GDC-0810) is an orally bioavailable selective estrogen receptor degrader (SERD) with IC50 of 0.7 nM.

IC50 & Target

IC50: 0.7 nM (estrogen receptor)

In Vitro

Brilanestrant (ARN-810; GDC-0810) is a potent ER-α binder (IC50=6.1 nM), a full transcriptional antagonist with no agonism (3× ERE, IC50=2 nM), and displays good potency and efficacy in ER-α degradation (EC50=0.7 nM) and MCF-7 breast cancer cell viability (IC50=2.5 nM) assays[1].Brilanestrant (ARN-810; GDC-0810) induces a distinct ERα conformation versus tamoxifen and other ER therapeutics, and does not exhibit tamoxifen-like ER agonism in MCF7 cells[2].

In Vivo

The pharmacokinetic profile of Brilanestrant (ARN-810) shows it is a olw clearance molecule across species, with good bioavailability (40%-60%). Brilanestrant (ARN-810) (3 mg/kg, p.o.) shows substantial tumor-growth inhibition in a tamoxifen-sensitive MCF-7 xenograft model, while at the highest dose of 100 mg/kg/day, all animals show tumor regression of more than 50% without weight loss[1].
Brilanestrant (ARN-810) exhibits low clearance (11 mL/min/kg) and 61% oral bioavailability. Brilanestrant (ARN-810) (1-100 mg/kg/day, p.o.) displays dose dependent efficacy in the MCF7 xenograft model[2].

Clinical Trial
Molecular Weight

446.90

Formula

C₂₆H₂₀ClFN₂O₂

CAS No.

1365888-06-7

SMILES

O=C(O)/C=C/C1=CC=C(/C(C2=CC3=C(NN=C3)C=C2)=C(C4=CC=C(F)C=C4Cl)/CC)C=C1

Shipping

Room temperature in continental US; may vary elsewhere.

Storage
Powder -20°C 3 years
  4°C 2 years
In solvent -80°C 6 months
  -20°C 1 month
Solvent & Solubility
In Vitro: 

DMSO : ≥ 30 mg/mL (67.13 mM)

*"≥" means soluble, but saturation unknown.

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 2.2376 mL 11.1882 mL 22.3764 mL
5 mM 0.4475 mL 2.2376 mL 4.4753 mL
10 mM 0.2238 mL 1.1188 mL 2.2376 mL
*Please refer to the solubility information to select the appropriate solvent.
References
Cell Assay
[1]

MCF-7 cells are adjusted to a concentration of 40000 cells per mL in RPMI containing 10% FBS and 20 mM HEPES. Then 16 μL of the cell suspension (640 cells) is added to each well of a 384-well plate, and the cells are incubated overnight to allow the cells to adhere. The following day a 10-point, serial 1:5 dilution of each compound is added to the cells in 16 μL at a final concentration ranging from 10 to 0.000005 μM. After 5 days' compound exposure, 16 μL of CellTiter-GLo is added to the cells, and the relative luminescence units of each well are determined. CellTiter-GLo added to 32 μL of medium without cells is used to obtain a background value. The percent viability of each sample is determined as follows: (RLU sample-RLU background/RLU untreated cells-RLU background ×100=%viability)

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

Animal Administration
[1]

Time release pellets containing 0.72 mg 17-β estradiol are subcutaneously implanted into nu/nu mice. MCF-7 cells are grown in RPMI containing 10% FBS at 5% CO2 37°C. Trypsinized cells are pelleted and resuspended in 50% RPMI(serum free)and 50% Matrigel at 1×107 cells/mL. MCF-7 cells are subcutaneously injected (100 μL/animal) on the right flank 2-3 days post pellet implantation. Tumor volume (length × width2/2) is monitored biweekly. When tumors reach an average volume of appr 200 mm3 animals are randomized and treatment is started. Animals are treated with vehicle or compound daily for 4 weeks. Tumor volume and body weight are monitored biweekly throughout the study.

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

References

Purity: 99.95%

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Keywords:

BrilanestrantARN-810GDC-0810ARN810ARN 810GDC0810GDC 0810Estrogen Receptor/ERRInhibitorinhibitorinhibit

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