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Enzalutamide

Name: Enzalutamide
Brand: Selleck Chemicals
SKU: S1250
Rating: 5 (527 reviews)

Synonyms: MDV3100

Catalog No.S1250 Purity:99.99%

Enzalutamide is an androgen-receptor (AR) antagonist with IC50 of 36 nM in LNCaP cells. Enzalutamide is shown to increase autophagy.

Enzalutamide Chemical Structure

CAS No. 915087-33-1

Purity & Quality Control

Batch: Purity: 99.99%

99.99

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Signaling Pathway

Androgen Receptor Signaling Pathway

Cell Data

Cell Lines	Assay Type	Concentration	Incubation Time	Formulation	Activity Description	PMID
human LNCAP	Cytotoxic Assay		7 days	95% EtOH	IC50=5.12 μM	23713567
human LNCAP	Function Assay	1 μM		DMSO	Inhibits prostate specific antigen secretion in human LNCAP cells expressing androgen receptor at 100-1000nM	20218717
VCaP	Function Assay	10 μM	24 h	DMSO	Suppresses ligand-mediated AR-FL signaling	22710436
BCK4	Function Assay	10 μM	7 days	DMSO	Inhibits estradiol-mediated proliferation	24451109
MCF7s	Function Assay	10 μM	6 days	DMSO	Inhibits estradiol-mediated proliferation	24451109
PC-3	Function Assay	10 μM	72 h	DMSO	Does not inhibit cell proliferation	25344864
CWR22Rv1	Function Assay	15 μM	24 h	DMSO	Does not affect the full length AR expression	23713567
LNCAP/AR	Antagonist activity assay				IC50 = 0.021 μM	27717544
MDA-MB-453	Antagonist activity assay				EC50 = 0.049 μM	23713567
LNCAP	Antagonist activity assay		72 h		IC50 = 0.05 μM	30193215
LNCAP	Antagonist activity assay		72 h		IC50 = 0.09 μM	30193215
LNCAP	Growth inhibition assay				GI50 = 0.12 μM	28011219
LNCAP	Antiproliferative activity assay		3 days		IC50 = 0.1271 μM	26046313
LNCAP	Antagonist activity assay		6 days		GI50 = 0.29 μM	28011219
UAS-bla GripTite 293	Antagonist activity assay		16 to 24 h		IC50 = 0.361 μM	27301368
mammalian expression system	Antagonist activity assay		22 to 24 h		EC50 = 0.42 μM	28385503
VCaP	Growth inhibition assay		144 h		GI50 = 0.61 μM	25121586
LNCaP	Antagonist activity assay		2 h		EC50 = 0.915 μM	23713567
COS7	Antagonist activity assay		24 h		IC50 = 1.26 μM	29117897
AR LBD mutant	Antagonist activity assay		4 h		IC50 = 1.35 μM	27810589
LNCAP	Growth inhibition assay				GI50 = 2.88 μM	25634130
CWR22Rv1	Growth inhibition assay				GI50 = 3.34 μM	25634130
LNCAP	Cytotoxicity assay		7 days		GI50 = 5.12 μM	23713567
PC3	Growth inhibition assay				GI50 = 9.15 μM	25634130
CWR22Rv1	Cell survival assay		144 h		IC50 = 9.7 μM	25121586
LNCAP	Antiproliferative activity assay		96 h		IC50 = 11.47 μM	27301368
LNCaP-hr	Antiproliferative activity assay		3 days		IC50 = 12.5 μM	27810589
LNCAP	Antiproliferative activity assay		3 days		IC50 = 12.5 μM	29117897
LNCaP	Antagonist activity assay		144 h		GI50 = 18.88 μM	28272894
LNCaP-AR	Growth inhibition assay		144 h		GI50 = 18.9 μM	25121586
C4-2B	Antiproliferative activity assay		12 h		IC50 = 20.77 μM	29758518
A31	Growth inhibition assay		72 h		GI50 = 27.5 μM	28011219
22Rv1	Antiproliferative activity assay		96 h		IC50 = 31.76 μM	27301368
22Rv1	Antiproliferative activity assay		96 h		IC50 = 31.76 μM	26965862
DU145	Antiproliferative activity assay		96 h		IC50 = 32.27 μM	27301368
LNCAP	Antiproliferative activity assay		72 h		IC50 = 33.84 μM	29448139
CW22Rv1	Antagonist activity assay		72 h		IC50 = 35.75 μM	28272894
22Rv1	Antiproliferative activity assay		72 h		IC50 = 36.66 μM	29448139
22Rv1	Antiproliferative activity assay		12 h		IC50 = 36.66 μM	29758518
LNCAP	Antiproliferative activity assay		12 h		IC50 = 42.37 μM	29758518
DU145	Antiproliferative activity assay		3 days		IC50 = 46.1 μM	27810589
DU145	Antiproliferative activity assay		3 days		IC50 = 46.1 μM	29117897
Click to View More Cell Line Experimental Data

Biological Activity

Description

Enzalutamide is an androgen-receptor (AR) antagonist with IC50 of 36 nM in LNCaP cells. Enzalutamide is shown to increase autophagy.

Targets

Androgen Receptor ^[1]
(LNCaP cells)

36 nM

In vitro
In vitro	Enzalutamide has greater affinity to AR than Bicalutamide does in a competition assay with 16β-[¹⁸F]fluoro-5α-DHT (18-FDHT) in castration-resistant LNCaP/AR cells (AR-overexpressing). While Enzalutamide shows no agonism in LNCaP/AR prostate cells. Enzalutamide antagonizes induction of prostate-specific antigen (PSA) and transmembrane serine protease 2 (TMPRSS2), combination with the synthetic androgen R1881 in parental LNCaP cells. Enzalutamide could inhibit the transcriptional activity of a mutant AR protein (W741C, mutation of Trp⁷⁴¹ to Cys). ^[1] Enzalutamide also prevents nuclear translocation and co-activator recruitment of the ligand-receptor complex. ^[2]
Kinase Assay	AR reporter assay
Kinase Assay	Enzalutamide is evaluated by an artificial AR response reporter system in a hormone refractory prostate cancer cell line. In this system, the prostate cancer LNCaP cells are engineered to stably express about 5-fold higher level of AR than endogenous level. The exogenous AR has similar properties to endogenous AR in that both are stabilized by a synthetic androgen R1881. The AR-over expressed cells are also engineered to stably incorporate an AR response reporter and the reporter activity of these cells shows features of hormone refractory prostate cancer. The antagonistic activity of Enzalutamide is tested in the presence of 100 pM of R1881. Engineered LNCaP cells are maintained in Iscove's medium containing 10% fetal bovine serum (FBS). Two days prior to Enzalutamide treatment, the cells are grown in Iscove's medium containing 10% charcoal-stripped FBS (CS-FBS) to deprive of androgens. The cells are split and grown in Iscove's medium containing 10% CS-FBS with 100 pM of R1881 and increasing concentrations of Enzalutamide. After two days of incubation, reporter activities are assayed.
Cell Research	Cell lines	LNCaP or LNCaP/AR cells
	Concentrations	0-10 μM
	Incubation Time	1-4 days
	Method	Enzalutamide is diluted in DMSO. LNCaP or LNCaP/AR cells (10⁴ cells/well) are androgen-starved by growth in media containing 5-10% charcoal-stripped serum for 3-5 days. Then the cells are challenged with various concentrations of Enzalutamide in media containing 5-10% charcoal-stripped serum.
Experimental Result Images	Methods	Biomarkers	Images	PMID
	Western blot	AR / ERG / NOTCH1 / PSA / Cleaved PARP1 / Cleaved caspase 7 AR-FL / AR-v7 / pAR(S213) / pAkt(S473) / pMdm2(S166) CXCR7		28607007
	Growth inhibition assay	Cell proliferation		28115200
	Immunofluorescence	AR pAKT(S473) CXCR7		27588408
	ELISA	osteoprotegerin		27015557

In Vivo
In vivo	Enzalutamide induces great tumor regression in castrate male mice bearing LNCaP/AR xenografts at a dose of 10 mg/kg. ^[1]
Animal Research	Animal Models	Castration-resistant LNCaP/HR xenografts in male SCID mice
	Dosages	10 mg/kg
	Administration	Administered via gavage daily

NCT Number	Recruitment	Conditions	Sponsor/Collaborators	Start Date	Phases
Clinical Trial Information (data from https://clinicaltrials.gov, updated on 2024-05-22)
NCT06130995	Not yet recruiting	Androgen Deprivation Therapy\|Locally Advanced Prostate Cancer	University of Oklahoma	August 2024	Phase 1
NCT05339672	Recruiting	Drug-drug Interaction	Radboud University Medical Center\|Astellas Pharma Inc	July 1 2024	--
NCT06096870	Recruiting	Prostate Cancer\|Recurrent Prostate Cancer\|PET Positive	National Cancer Institute (NCI)\|National Institutes of Health Clinical Center (CC)	April 22 2024	Phase 2
NCT05743621	Recruiting	Prostatic Neoplasms Castration-Resistant	Weill Medical College of Cornell University\|Sagimet Biosciences Inc.	November 20 2023	Phase 1

References

Chemical Information & Solubility

Molecular Weight	464.44	Formula	C₂₁H₁₆F₄N₄O₂S
CAS No.	915087-33-1	SDF	Download Enzalutamide SDF
Smiles	CC1(C(=O)N(C(=S)N1C2=CC(=C(C=C2)C(=O)NC)F)C3=CC(=C(C=C3)C#N)C(F)(F)F)C
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
Storage (From the date of receipt)	3 years-20°Cpowder		1 month-20°Cin solvent

In vitro
Batch:

DMSO : 92 mg/mL ( (198.08 mM) Moisture-absorbing DMSO reduces solubility. Please use fresh DMSO.)

Ethanol : 24 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.	1.500mg/ml (3.23mM)	Taking the 1 mL working solution as an example, add 50 μL of 30 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.	2.500mg/ml (5.38mM)	Taking the 1 mL working solution as an example, add 50 μL of 50 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.
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.
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.
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

Mass	Concentration	Volume	Molecular Weight
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Dilution Calculator Molecular Weight Calculator

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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