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Cat. No. M8953
GDC-0810 Structure

Brilanestrant; ARN-810

Size Price Availability Quantity
10mg USD 240 In stock
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Quality Control
  • Current batch:
  • Purity >99%
  • COA
  • MSDS
Biological Activity

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.

GDC-0810 (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. GDC-0810 exhibits low clearance (11 mL/min/kg) and 61% oral bioavailability. GDC-0810 (1-100 mg/kg/day, p.o.) displays dose dependent efficacy in the MCF7 xenograft model.

Cell Experiment
Cell lines MCF-7 cells
Preparation method 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).
Incubation time 5 days
Animal Experiment
Animal models tamoxifen-sensitive MCF-7 xenograft model
Formulation PEG400/PVP/TW80/0.5% CMC in water, 9:0.5:0.5:90
Dosages 30 and 100 mg/kg
Administration p.o.
Conversion of different model animals based on BSA (Value based on data from FDA Draft Guidelines)
Species Mouse Rat Rabbit Guinea pig Hamster Dog
Weight (kg) 0.02 0.15 1.8 0.4 0.08 10
Body Surface Area (m2) 0.007 0.025 0.15 0.05 0.02 0.5
Km factor 3 6 12 8 5 20
Animal A (mg/kg) = Animal B (mg/kg) multiplied by  Animal B Km
Animal A Km

For example, to modify the dose of resveratrol used for a mouse (22.4 mg/kg) to a dose based on the BSA for a rat, multiply 22.4 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for resveratrol of 11.2 mg/kg.

Chemical Information
Molecular Weight 446.90
Formula C26H20ClFN2O2
CAS Number 1365888-06-7
Purity >99%
Solubility DMSO: ≥ 60 mg/mL
Storage at -20°C

The selective estrogen receptor downregulator GDC-0810 is efficacious in diverse models of ER+ breast cancer.
Joseph JD, et al. Elife. 2016 Jul 13;5. pii: e15828. PMID: 27410477.

Identification of GDC-0810 (ARN-810), an Orally Bioavailable Selective Estrogen Receptor Degrader (SERD) that Demonstrates Robust Activity in Tamoxifen-Resistant Breast Cancer Xenografts.
Lai A, et al. J Med Chem. 2015 Jun 25;58(12):4888-904. PMID: 25879485.

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Keywords: GDC-0810, Brilanestrant; ARN-810 supplier, Estrogen Receptor, inhibitors

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