Darolutamide (ODM-201) Androgen Receptor antagonist

Chemical Structure

Molecular Weight: 398.85

Purity & Quality Control

Batch: Purity: 99.73%

99.73

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Signaling Pathway

Androgen Receptor Signaling Pathway

Mechanism of Action

Targets

Androgen receptor ^[1]

11 nM(Ki)

In vitro
In vitro	In AR-HEK293 cells stably expressing full-length hAR, this compound inhibits human AR (hAR) with IC50 of 26 nM. It also inhibits VCaP cell proliferation with IC50 of 230 nM, while having no effect on the viability of AR-negative cell lines tested, DU-145 prostate cancer cells and H1581 lung cancer cells. ^[1]
Kinase Assay	AR binding affinity
Kinase Assay	AR binding affinities of test compounds are studied in cytosolic lysates obtained from ventral prostates of castrated rats by a competition binding assay. Fresh prostates are minced and homogenized with Buffer A containing protease inhibitors. The homogenates are centrifuged and the resultant supernatants are treated with a dextran-coated charcoal solution to remove endogenous steroids. The dissociation constant of the radio ligand [³H]mibolerone for isolated rat ARs is determined in a saturation binding experiment. For the determination of Ki values, prostate cytosol preparations and 1 nM [³H]mibolerone are incubated with increasing concentrations of this compound overnight. After the incubation, bound and free steroids are separated by treatment with 100 μL of dextran-coated charcoal suspension. Bound radioactivity is determined by counting 100 μL of supernatant fraction in 200 μL of scintillation fluid using a microbeta counter. All procedures are carried out at 0–4 °C.
Cell Research	Cell lines	DU-145, H1581, and VCaP cells
	Concentrations	~10 μM
	Incubation Time	4 days
	Method	VCaP cells are treated with a submaximal concentration of mibolerone (0.1 nM) and increasing concentrations of test compounds in steroid-free assay medium supplemented with 4 mM GlutaMAX. After a 4-day incubation with the compounds, cell viability is measured using a WST-1 cell proliferation assay. To rule out non-AR –mediated toxicity, AR-negative PC cells (DU-145) and lung cancer cells (H1581) are treated with an increasing concentration of Darolutamide (ODM-201), and cell viability is measured as described above.

In Vivo
In vivo	In mice bearing VCaP xenografts, it (50 mg/kg, p.o.) significantly inhibits castration-resistant prostate tumor growth. ^[1]
Animal Research	Animal Models	BALB/c nude male mice bearing VCaP xenografts
	Dosages	50 mg/kg, bid
	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)
NCT04070209	Recruiting	Metastatic Prostate Cancer\|Castration-resistant Prostate Cancer	Sir Mortimer B. Davis - Jewish General Hospital	October 19 2020	Phase 2
NCT01317641	Completed	Prostate Cancer	Orion Corporation Orion Pharma\|Endo Pharmaceuticals	March 2011	Phase 1\|Phase 2

References
https://pubmed.ncbi.nlm.nih.gov/26137992/

References

https://pubmed.ncbi.nlm.nih.gov/26137992/

Chemical Information

Molecular Weight	398.85	Formula	C₁₉H₁₉ClN₆O₂
CAS No.	1297538-32-9	SDF	Download SDF
Synonyms	BAY-1841788
Smiles	CC(CN1C=CC(=N1)C2=CC(=C(C=C2)C#N)Cl)NC(=O)C3=NNC(=C3)C(C)O

Storage and Stability

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
			1 month-20°Cin solvent

In vitro
Batch:

DMSO : 80 mg/mL ( (200.57 mM) Moisture-absorbing DMSO reduces solubility. Please use fresh DMSO.)

Ethanol : 38 mg/mL

Water : Insoluble

Molecular Weight Calculator

In vivo Batch: Add solvents to the product individually and in order.				In vivo Formulation Calculator
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.	4.000mg/ml (10.03mM)	Taking the 1 mL working solution as an example, add 50 μL of 80 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.
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.	4.000mg/ml (10.03mM)	Taking the 1 mL working solution as an example, add 50 μL of 80 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.
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.

Preparing Stock Solutions

Molarity Calculator

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In vivo Formulation Calculator (Clear solution)

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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.

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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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