ORIC-101 is a novel, potent, highly selective steroidal glucocorticoid receptor (GR) antagonist with IC50 of 5.6 nM, it has reduced androgen receptor (AR) agonistic activity and showed anticancer activity.

Physicochemical Properties

Molecular Formula	C34H47NO2
Molecular Weight	501.7425
Exact Mass	501.36
CAS #	2222344-98-9
PubChem CID	134415769
Appearance	White to off-white solid powder
LogP	6.9
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	5
Heavy Atom Count	37
Complexity	982
Defined Atom Stereocenter Count	7
SMILES	O([H])[C@]1(C#CC(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H])C([H])([H])C([H])([H])[C@]2([H])[C@@]3([H])C([H])([H])C([H])([H])C4=C([H])C(C([H])([H])C([H])([H])[C@@]4([H])[C@]3([H])[C@]([H])(C3C([H])=C([H])C(=C([H])C=3[H])N(C([H])([H])[H])C([H])(C([H])([H])[H])C([H])([H])[H])C([H])([H])[C@]21C([H])([H])[H])=O
InChi Key	VNLTWJIWEYPBIF-KMSLUKAPSA-N
InChi Code	InChI=1S/C34H47NO2/c1-22(2)35(7)25-11-8-23(9-12-25)29-21-33(6)30(16-17-34(33,37)19-18-32(3,4)5)28-14-10-24-20-26(36)13-15-27(24)31(28)29/h8-9,11-12,20,22,27-31,37H,10,13-17,21H2,1-7H3/t27-,28-,29+,30-,31+,33-,34+/m0/s1
Chemical Name	(8R,9S,10R,11S,13S,14S,17S)-17-(3,3-Dimethylbut-1-yn-1-yl)-17-hydroxy-11-(4-(isopropyl(methyl)amino)phenyl)-13-methyl-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one
Synonyms	ORIC-101 ORIC 101 ORIC101
HS Tariff Code	2934.99.9001
Storage	Powder-20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month
Shipping Condition	Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)

Biological Activity

ln Vitro	ORIC-101 exhibits CYP2C8 and CYP2C9 inhibition profiles (IC50, >10 μM) and much lower androgen receptor agonism (EC50, 2500 nM) [1]. The expression of nGR-mediated target genes (FKBP5 and GILZ) is dose-dependently reduced by ORIC-101 (1-1000 nM), with IC50 values of 17.2 and 21.2 nM, respectively [1].
ln Vivo	When combined with gemcitabine and carboplatin, ORIC-101 (75 mg/kg, orally, twice daily for 16–22 days) improves the anti-tumor efficacy of cortisol-treated mouse OVCAR5 xenograft tumors [1].
Animal Protocol	Animal/Disease Models: OVCAR5 xenograft tumors in cortisol-treated mice [1] Doses: 75 mg/kg vs. 100 mg/kg gemcitabine and 60 mg/kg carboplatin Dosing: Orally twice (two times) daily for 16-22 days Experimental Results: Significant reduction in tumor volume in combination with chemotherapy drugs.
References	[1]. Discovery of a Potent and Selective Steroidal Glucocorticoid Receptor Antagonist (ORIC-101). J Med Chem. 2018 Sep 13;61(17):7767-7784.
Additional Infomation	Glucocorticoid Receptor Antagonist ORIC-101 is a mifepristone-based steroidal glucocorticoid receptor (GR) antagonist with potential antineoplastic activity. Upon oral administration, ORIC-101 selectively binds to GRs, thereby inhibiting the activation of GR-mediated proliferative and anti-apoptotic gene expression pathways. The GR, a member of the nuclear receptor superfamily of ligand-dependent transcription factors, is overexpressed in certain tumor types and may be associated with tumor cell proliferation and treatment resistance. Inhibition of GR activity may potentially slow tumor cell growth and disease progression in certain cancers. Due to its reduced androgen receptor (AR) agonistic activity and improved cytochrome P450 2C8 (CYP2C8) and 2C9 (CYP2C9) inhibition profile, ORIC-101 may be useful in the treatment of AR-positive tumors with reduced potential for drug-drug interactions.

Solubility Data

Solubility (In Vitro)

DMSO : ≥ 100 mg/mL (~199.31 mM)

Solubility (In Vivo)

Note: Listed below are some common formulations that may be used to formulate products with low water solubility (e.g. < 1 mg/mL), you may test these formulations using a minute amount of products to avoid loss of samples. Injection Formulations (e.g. IP/IV/IM/SC) Injection Formulation 1: DMSO : Tween 80： Saline = 10 : 5 : 85 (i.e. 100 μL DMSO stock solution → 50 μL Tween 80 → 850 μL Saline) *Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH ₂ O to obtain a clear solution. Injection Formulation 2: DMSO : PEG300 ：Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL DMSO → 400 μLPEG300 → 50 μL Tween 80 → 450 μL Saline) Injection Formulation 3: DMSO : Corn oil = 10 : 90 (i.e. 100 μL DMSO → 900 μL Corn oil) Example: Take the Injection Formulation 3 (DMSO : Corn oil = 10 : 90) as an example, if 1 mL of 2.5 mg/mL working solution is to be prepared, you can take 100 μL 25 mg/mL DMSO stock solution and add to 900 μL corn oil, mix well to obtain a clear or suspension solution (2.5 mg/mL, ready for use in animals). Injection Formulation 4: DMSO : 20% SBE-β-CD in saline = 10 : 90 [i.e. 100 μL DMSO → 900 μL (20% SBE-β-CD in saline)] *Preparation of 20% SBE-β-CD in Saline (4°C，1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution. Injection Formulation 5: 2-Hydroxypropyl-β-cyclodextrin : Saline = 50 : 50 (i.e. 500 μL 2-Hydroxypropyl-β-cyclodextrin → 500 μL Saline) Injection Formulation 6: DMSO : PEG300 : castor oil : Saline = 5 : 10 : 20 : 65 (i.e. 50 μL DMSO → 100 μLPEG300 → 200 μL castor oil → 650 μL Saline) Injection Formulation 7: Ethanol : Cremophor : Saline = 10： 10 : 80 (i.e. 100 μL Ethanol → 100 μL Cremophor → 800 μL Saline) Injection Formulation 8: Dissolve in Cremophor/Ethanol (50 : 50), then diluted by Saline Injection Formulation 9: EtOH : Corn oil = 10 : 90 (i.e. 100 μL EtOH → 900 μL Corn oil) Injection Formulation 10: EtOH : PEG300：Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL EtOH → 400 μLPEG300 → 50 μL Tween 80 → 450 μL Saline) Oral Formulations Oral Formulation 1: Suspend in 0.5% CMC Na (carboxymethylcellulose sodium) Oral Formulation 2: Suspend in 0.5% Carboxymethyl cellulose Example: Take the Oral Formulation 1 (Suspend in 0.5% CMC Na) as an example, if 100 mL of 2.5 mg/mL working solution is to be prepared, you can first prepare 0.5% CMC Na solution by measuring 0.5 g CMC Na and dissolve it in 100 mL ddH2O to obtain a clear solution; then add 250 mg of the product to 100 mL 0.5% CMC Na solution, to make the suspension solution (2.5 mg/mL, ready for use in animals). Oral Formulation 3: Dissolved in PEG400 Oral Formulation 4: Suspend in 0.2% Carboxymethyl cellulose Oral Formulation 5: Dissolve in 0.25% Tween 80 and 0.5% Carboxymethyl cellulose Oral Formulation 6: Mixing with food powders Note: Please be aware that the above formulations are for reference only. InvivoChem strongly recommends customers to read literature methods/protocols carefully before determining which formulation you should use for in vivo studies, as different compounds have different solubility properties and have to be formulated differently.  (Please use freshly prepared in vivo formulations for optimal results.)

Preparing Stock Solutions		1 mg	5 mg	10 mg
	1 mM	1.9931 mL	9.9653 mL	19.9306 mL
	5 mM	0.3986 mL	1.9931 mL	3.9861 mL
	10 mM	0.1993 mL	0.9965 mL	1.9931 mL

*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.